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MAKE the McQuay ~(SEASONMASTERS" your choice with
THE ··confident· assurance of. quality and dependability.
SEASONS are all temperate when you provide complete air conditioning with SEASONMASTERS which
COME in 14 models,. in both the horizontal and vertical type, all having maximum flexibility in location of coil connections and air openings.
TO this add the many combinations of cooling and heating coils and the wide variation of accessories, and
YOU have the most universal line of air conditioners in the industry.
MODEL NO.
AC108
AC110
AC111
AC116
AC210
AC211
AC213
AC215
AC216
AC220
AC223
AC315
AC320
AC323
#J3 SEASON MASTER (CENTRAl STATION AIR CONDITIONER)
CATALOG NO. 505 APRIL 1953
ACCESSORIES
WITH
WATER COIL STEAM COIL
FACE AND BY-PASS FLAT FILTER SECTION
VERTICAL UNIT WITH
DIRECT EXPANSION COlL STEAM COIL
FACE AND BY-PASS FLAT FILTER SECTION
SEASON MASTERS
FEATURES and SPECIFICATIONS v •
CABINET: The framework is fabr~ated of heavy gauge galvanized steel channels securely bolted and braced to form a rigid structure. To this framework are fastened removable panels to permit complete accessibility for inspection or service. The panels are finished in a neutral gray paint and are internally insulated with a 3'11 • thickness of rigid thermal-acoustic insulation which is moisture resistant, fireproof and vermin proof. FANS: Forward curved blade type fans are enclosed in scientifically engineered housings designed to quietly deliver the rated CFM with minimum horsepower demand. Fans are dynamically and statically balanced to provide smooth operation throughOut their range and are tested and rated in accordance with NAFM standards. Spark proof wheels are available upon special order. FAN SHAFT! High carbon steel, turned, ground and polished, and is designed so that maximum operating speed is well below the critical speed. BEARINGS: Sleeve, self-aligning, bronze, oil lubricated, pillow block type bearings are used on single fan units; ball, self-aligning, grease lubricated, flange type bearings on multiple fan units. COILS: All coils are made with the exclusive McQuay ripple fin construction for maximum heat transfer. The%" O.D. seamless copper tubes are expanded into wide, smooth collars of aluminum fins. Headers are heavy wall, seamless copper tube. Joints are copper brazed and tested at 200 p.s.i. air under water. Casing is galvanized steel. Steam coils are pitched to return end to insure proper drainage of condensate. All coils are removable for cleaning or servicing. DRAIN PAN: The drain pan is constructed of heavy gauge galvanized steel and coated with sealer for added protection against corrosion. MOTOR AND DRIVE: Standard belt duty type, 1725 RPM, open motors, are furnished unless otherwise specified. Totally enclosed, explosion proof, and two speed motors are available upon special order. Motor mounting base is adjustable for tightening belt tension. Static proof belts are available upon special order. Adjustable V-belt drive is standard on all motors up through 7Yz H.P.: fixed drive is standard on larger motors (adjustable drive available upon special order). FILTER SECTION: Flat type section is available for all units; V-type for all multiple fan units. 2" thick throwaway or cleanable filters are available and are removable from either end. FACE AND BY-PASS: Internal (filtered air) by-pass is provided by the face and by-pass damper sections and by-pass duct. Damper blades rotate on oil impregnated bronze bearings. Damper rod extensions are provided at both ends. MIXING BOX: Mixing boxes are furnished with balanced dampers. Dampers interlock and rotate on oil impregnated bronze bearings. Damper rod extensions are provided at both ends. Combination mixing boxes and :filter sections are available. HUMIDIFIER: Two types are available-spray and steam pan. Spray humidifier has mist type, self cleaning, brass target nozzles. Steam pan humidifier has copper coil and copper tank. Float valve is brass with copper :float and bronze inlet orifice.
The first step required is to select the Seasonmaster model that will deliver the volume (CFM) of air to be circulated. However, in cases where two or more models will handle the required CFM the selection will be further determined by such factors as fan outlet velocity, coil face velocity, horsepower, and space limitations. For example, assume that a Seasonmaster is to be selected to meet the following specifications:
Air Volume (Std. Air) Maximum Coil Face Velocity. . . . . . . . Maximum Fan Outlet Velocity . . . . . . .
3500 CFM 500 FPM
1600 FPM
From the fan performance data on pages 12 and 13, it is found that an AC116, AC211 and AC213 will
Direct expansion coil selection consists basically of determining the number of rows required. For example, assume that a direct expansion coil is required for an AC211 unit to meet the following specifications:
Air Volume (Std. Air) . . . . . . 3500 CFM Air Entering Coil . . . . . 82.3°F DB & 68.0°F WB Totalload...... 109,900BTU/HR Sensible load . . . . . . . . . . 7 4,7 50 BTU /HR Refrigerant Temperature. . . . . . . . . . 45°F Refrigerant . . . . . . . . . . . . . Freon-12
Since the direct expansion:coil ratings on pages 6 and 7 are only applicable for sensible-total ratios of .90 or less, it must first be determined if this problem falls into that category (for sensible-total ratios greater than .90 refer to the factory).
A. Sensible-Total Ratio Sensible load
Total load
= 74,750 BTU/HR = .68 109,900 BTU/HR
Therefore, the direct expansion coil ratings on pages 6 and 7 may be used in the solution of this problem. As these ratings are expressed in tons per sq. ft. of coil face area at various coil face velocities, the next steps are to determine these values. From the fan performance table on page 12 or the general specifications table on page 23, it is found that the AC211 unit has 7.1 sq. ft. of coil face area.
Total load (BTU/Hr.) B. Tons Per Sq. Ft.
12,000 x Coil Face Area
109,900 = 1.29 12,QQQ X 7.1
CFM C. Coil Face Velocity
Coil Face Area
= 3
'500
= 493 FPM 7.1
Coil face velocities from 400 through 600 FPM in 25 FPM increments are tabulated in the direct expansion coil ratings on pages 6 and 7. To simplify the use of these ratings it is suggested that the tabulated coil face velocity nearest to the actual coil face velocity be used rather than interpolating as the error introduced by this procedure is negligible. Therefore, in this example a coil face velocity of 500 FPM will be used.
deliver the specified air volume. However, the AC211 best meets the specifications of coil face velocity and fan outlet velocity and, therefore, is selected.
The selection of a horizontal or vertical Seasonmaster can now be made to best suit the job requirements as all models are available in both types. For fan discharge arrangements and accessories available refer to pages 18 through 22.
Having established the Seasonmaster model required the coil selection is then possible. The method of direct expansion cooling coil selection is shown below (see pages 8 and 15 for water coil selection and page 16 for steam coil selection).
D. Now referring to the direct expansion ratings for 45°F refrigerant on page 7, it is found that with a 68°F entering air wet bulb temperature and a 500 FPM coil face velocity, a 4-row coil will provide the required cooling capacity (1.30 tons per sq. ft. vs. 1.29 tons per sq. ft. required). Therefore, the 4-row coil is adequate.
To determine the leaving air temperatures and BTU /Hr. capacities proceed as follows:
E. The leaving wet bulb temperature is read directly from the direct expansion coil ratings on page 7. In this case with a 45°F refrigerant, 68°F entering air wet bulb, 500 FPM coil face velocity, and 4-row coil, the leaving wet bulb is found to be 58.6°F.
F. The leaving dry bulb is determined by the wet bulb depression method as follows:
lvg. Air D.B.
Initial Depression
Factor
lvg. Air D.B.
G. Total BTU /Hr.
H. Sensible BTU /Hr.
= lvg. W.B. +(Initial Depression x Factor)
=Ent. Air D.B.- Ent. Air W.B. =82.3- 68.0 =14.3
=.28 (From table 1 below)
=58.6 + (14.3 X .28) =58.6 + 4.0 =62.6°F
=Tons/Sq. Ft. x 1 2000 x coil face area =1.30 X 12QQQ X 7.1 =110,750 BTU/Hr.
= CFM x 1. 09 x (Ent. Air D. B. -lvg. Air D. B.) =35,QQQ X 1.09 X (82.3- 62.6) =75,150 BTU/Hr.
I~ COIL FACE VELOCITY (FPMJ Rows
Deep I 425 450 475 500 525 550 575 600
= =====I====
-j--~~~~=-~~~~~-~ .240 .250 .260 .270 .280 .287 .295 .301 .308
--+~~-----1~1---~-----5 I .168 .176 .185 1.193 .200 I .208 .215 .221 .229 _j----~~----~~-------
611 .115 .123 .130 .138 1-.145 .151 .157 .163 .16;
~~~; .06;- .067~~--;;;~;;-l~o8;~~~
WET BULB oF.
(See Note)
35 36 37 38 39
----40 41 42 43 44
-----45 46 47 48 49
-----50 51 52 53 54
55 56 57 58 59
60 61 62 63 64
----
65 66 67 68 69
-----
70 71 72 73 74
----75 76 77 78 79
------
80 81 82 83 84 85
BTU CONTENT OF 1 LB. OF DRY AIR WITH WATER VAPOR TO SATURATE IT* (Standard Atmospheric Pressure 29.921" HG.)
.o 13.01 13.44 13.87 14.32 14.77
----15.23 15.70 16.17 16.66 17.15
-----17.65 18.16 18.68 19.21 19.75
-----20.30 20.86 21.44 22.02 22.61
23.22 23.84 24.48 25.12 25.78
26.46 27.15 27.85 28.57 29.31
----30.06 30.83 31.62 32.42 33.25
-----34.09 34.95 35.83 36.74 37.66
38.61 39.57 40.57 41.58 42.62
-----
43.69 44.78 45.90 47.04 48.22 49.43
TENTHS OF DEGREES
• 1 .2 .3 .4 .5 .6 .7
13.05 13.09 13.14 13.18 13.22 13.27 13.31 13.48 13.52 13.57 13.61 13.66 13.70 13.74 13.92 13.96 14.01 14.05 14.10 14.14 14.19 14.36 14.41 14.45 14.50 14.54 14.59 14.63 14.82 14.86 14.91 14.95 15.00 15.05 15.09
----- ----- ----- -----
15.28 15.32 15.37 15.42 15.46 15.51 15.56 15.74 15.79 15.84 15.89 15.93 15.98 16.03 16.22 16.27 16.32 16.37 16.41 16.46 16.51 16.71 16.75 16.80 16.85 16.90 15.95 17.00 17.20 17.25 17.30 17.35 17.40 17.45 17.50
---- ----- ----- ----- ----- -----17.70 17.75 17.80 17.85 17.91 17.96 18.01 18.21 18.26 18.32 18.37 18.42 18.47 18.52 18.73 18.79 18.84 18.89 18.95 19.00 19.05 19.26 19.32 19.37 19.43 19.48 19.53 19.59 19.81 19.86 19.92 19.97 20.03 20.08 20.14
---- -------- ----- ----- ----------20.36 20.41 20.47 20.52 20.58 20.64 20.69 20.92 20.98 21.03 21.09 21.15 21.21 21.26 21.49 21.55 21.61 21.67 21.73 21.79 21.84 22.08 22.14 22.20 22.26 22.32 22.38 22.44 22.68 22.74 22.80 22.86 22.92 22.98 23.04
--------------------23.28 23.34 23.41 23.47 23.53 23.59 23.65 23.90 23.97 24.03 24.10 24.16 24.22 24.29 24.54 24.61 24.67 24.74 24.80 24.86 24.93 25.19 25.25 25.32 25.38 25.45 25.52 25.58 25.85 25.92 25.98 26.05 26.12 26.19 26.26
---------26.53 26.60 26.67 26.74 26.80 26.87 26.94 27.22 27.29 27.36 27.43 27.50 27.57 27.64 27.92 27.99 28.07 28.14 28.21 28.28 28.35 28.64 28.72 28.79 28.87 28.94 29.01 29.09 29.38 29.46 29.53 29.61 29.68 29.76 29.83
----- --------- ----- ----------30.14 30.21 30.29 30.37 30.44 30.52 30.60 30.91 30.99 31.07 31.15 31.22 31.30 31.38 31.70 31.78 31.86 31.94 32.02 32.10 32.18 32.50 32.59 32.67 32.75 32.83 32.92 33.00 33.33 33.42 33.50 33.59 33.67 33.75 33.84
----- ---~··-- ----- ----- --------------
34.18 34.26 34.35 34.43 34.52 34.61 34.69 35.04 35.13 35.21 35.30 35.39 35.48 35.57 35.92 36.01 36.10 36.19 36.28 36.38 36.47 36.83 36.92 37.02 37.11 37.20 37.29 37.38 37.75 37.85 37.94 38.04 38.13 38.23 38.32
----- ----- ----- ---------- -----38.71 38.80 38.90 39.00 39.09 39.19 39.28 39.67 39.77 39.87 39.98 40.07 40.17 40.27 40.67 40.77 40.87 40.97 41.07 41.18 41.28 41.68 41.79 41.89 42.00 42.10 42.20 42.31 42.73 42.83 42.94 43.05 43.15 43.26 43.37
----------------------------------
43.80 43.91 44.02 44.13 44.23 44.34 44.45 44.89 45.00 45.12 45.23 45.34 45.45 45.56 46.01 46.13 46.24 46.36 46.47 46.58 46.70 47.16 47.28 47.39 47.51 47.63 47.75 47.87 48.34 48.46 48.58 48.70 48.82 48.95 49.07 49.55 49.68 49.80 49.92 50.04 50.17 50.29
NOTE: USE WET BULB TEMPERATURE ONLY IN DETERMINING TOTAl HEAT *Compiled from data in ASHVE Guide for 1952
.8
13.35 13.79 14.23 14.68 15.14
-----15.60 16.08 16.56 17.05 17.55
-----18.06 18.58 19.10 19.64 20.19
-----20.75 21.32 21.90 22.50 23.10
-----
23.72 24.35 24.99 25.65 26.32
-----
27.01 27.71 28.43 29.16 29.91
-----30.68 31.46 32.26 33.08 33.92
-----34.79 35.65 36.56 37.48 38.42
-----
39.38 40.37 41.38 42.41 43.48
-----
44.56 45.68 46.81 47.98 49.19 50.41
.9
13.39 13.83 14~27 14.73 15.18
-----
15.65 16.12 16.61 17.10 17.60
-----18.11 18.63 19.16 19.70 20.25
-----
20.81 21.38 21.96 22.56 23.16
-----23.78 24.42 25.06 25.71 26.39
-----27.08 27.78 28.50 29.24 29.98
-----
30.75 31.54 32.34 33.17 34.00
-----34.86 35.74 36.65 37.57 38.51
-----39.47 40.47 41.48 42.52 43.58
-----44.67 45.79 46.93 48.10 49.31 50.54
5
R COIL FACE VELOCITY 0
ENT. w s 400 425 450 475 500 525 550 575 600
WET D
BULB E Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg.
E Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet
p Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb
------~ ------- -------- --- --- --------- ---- -~-- --------------------- ---- ----3 1.16 53.5 1.20 53.8 1.23 54.2 1.26 54.6 1.29 54.9 1.32 55.2 1.34 55.5 1.37 55.8 1.40 56.0
65 4 1.43 50.4 1.47 51.0 1.52 51.3 1.56 51.8 1.60 52.2 1.64 52.5 1.67 52.9 1.71 53.2 1.74 53.5
5 1.64 47.8 1.69 48.5 1.75 48.9 1.81 49.3 1.86 49.7 1.91 50.1 1.96 50.5 2.00 50.8 2.04 51.2
6 1.81 45.7 1.88 46.2 1.95 46.7 2.01 47.2 2.08 47.5 2.14 48.0 2.20 48.3 2.25 48.8 2.30 49.2
8 2.08 42.0 2.17 42.6 2.25 43.1 2.34 43.5 2.43 43.9 2.50 44.4 2.58 44.8 2.65 45.2 2.72 45.6
------------------------------------------------------ ------3 1.22 54.1 1.25 54.6 1.28 55.0 1.32 55.3 1.35 55.8 1.38 56.0 1.40 56.3 1.43 56.6 1.46 56.8
66 4 1.49 51.1 1.54 51.5 1.59 51.9 1.63 52.4 1.67 52.8 1.71 53.2 1.75 53.5 1.79 53.8 1.82 54.2
5 1.71 48.4 1.77 48.9 1.83 49.4 1.89 49.8 1.94 50.3 2.00 50.7 2.05 51.0 2.09 51.5 2.14 51.8
6 1.89 46.1 1.96 46.7 2.03 47.2 2.10 47.7 2.17 48.1 2.24 48.4 2.30 48.9 2.35 49.3 2.40 49.7
8 2.17 42.4 2.26 43-.0 2.36 43.5 2.45 43.9 2.54 44.3 2.62 44.7 2.70 45.2 2.77 45.6 2.84 46.1
------------------------------------------- ------------------3 1.27 54.9 1.31 55.3 1.34 55.7 1.37 56.1 1.41 56.4 1.44 56.7 1.47 57.0 1.50 57.3 1.52 57.6
4 1.56 51.6 1.60 52.2 1.66 52.6 1.70 53.1 1. 74 53.5 1.78 53.9 1.83 54.2 1.86 54.6 1.90 54.9
67 5 1.79 48.9 1.85 49.5 1.91 50.0 1.97 50.5 2.03 50.9 2.09 51.2 2.14 51.7 2.18 52.1 2.22 52.5
6 1.97 46.6 2.05 47.1 2.12 47.7 2.19 48.2 2.27 48.6 2.34 49.0 2.40 49.4 2.46 49.8 2.51 50.3
8 2.27 42.7 2.36 43.3 2.46 43.8 2.56 44.2 2.65 44.7 2.73 45.2 2.82 45;6 2.90 46.0 2.97 46.5
----- ----------------------------------------------------------3 1.33 55.5 1.36 56.1 1.40 56.4 1.43 56.9 1.47 57.2 1.50 57.5 1.53 57.8 1.56 58.1 1.59 58.3
68 4 1.62 52.3 1.67 52.9 1.73 53.3 1.77 53.8 1.82 54.1 1.86 54.6 1.91 54.9 1.94 55.3 1.98 55.6
5 1.86 49.5 1.93 50.0 2.00 50.5 2.06 51.0 2.12 51.4 2.18 51.8 2.23 52.3 2.28 52.7 2.33 53.1
6 2.06 47.0 2.14 47.6 2.21 48.2 2.29 48.6 2.36 49.1 2.44 49.5 2.50 50.0 2.56 50.4 2.62 50.8
8 2.36 43.1 2.47 43.5 2.57 44.1 2.66 44.7 2.76 45.1 2.85 45.6 2.94 46.0 3.02 46.5 3.10 46.9
--------------------------- - - --- -.-.-.<-. .. ------------------------3 1.38 56.3 1.42 56.8 1.46 57.2 - 1.49 -57.6 1.53 57.9 1.56 58.3 1.59 58.6 1.63 58.9 1.66 59.1
69 4 1.69 52.9 1.74 53.5 1.80 53.9 1.85 54.4 1.90 54.8 1.94 55.3 1.99 55.6 2.03 56.0 2.07 56.3
5 1.94 50.0 2.01 50.6 2.08 51.1 z·:15· 51.5 2.21 52.0 2.27 52.5 2.32 53.0 2.37 53.4 2.43 53.7
6 2.14 47.6 2.23 48.1 2.31 48.6 2.39 49.1 2.47 49.6 2.54 50.1 2.61 50.5 2.67 51.0 2.73 51.4
8 2.47 43.3 2.57 43.9 2.68 44.4 2.78 45.0 2.88 45.5 2.97 46.0 3.06 46.5 3.15 46.9 3.23 47.4
-------------------------------- -- ------------------------3 1.44 57.0 1.48 57.5 1.52 57.9 1.56 58.3 1_.60 58.7- 1.63 59.0 1.66 59.4 1.70 59.6 1.73 59.9
70 4 1.76 53.6 1.82 54.1 1.88 54.5 1;93 55.0 1.98 55.5 2.02 56.0 2.07 56.3 2.11 56.7 2.15 57.1
5 2.02 50.6 2.10 51.1 2.17 51.6 2.23' 52.2 2.30 52.7 2.37 53.0 2.42 53.6 2.47 54.0 2.53 54.4
6 2.23 48.0 2.32 48.6 2.41 49.1 2.49 49.6 2.57 ~g:~ • 2.65 50.6 2.72 51.1 2.78 51.6 2.84 52.1
8 2.57 43.6 2.68 44.2 2.79 44.8 2.89 45.4 3.00 3.10 46.3 3.19 46.9 3.28 47.4 3.36 47.9
--------------------------------------------------------------3 1.50 57.7 1.54 58.3 1.58 58.7 1.62 59.1 1.66 59.5 1.70 59.8 1.73 60.1 1.77 60.4 1.80 60.7
71 4 1.83 54.2 1.89 54.8 1.95 55.3 -2.00 55.8 2:06_ 56~2 2.10 56.7 2.15 57.1 2.20 57.4 2.24 57.8
5 2.11 50.9 2.18 51.7 2.26 52.2 2:33 52.8 2.39 53.3 2.46 53.7 2.52 54.2 2.57 54.7 2.63 55.1
6 2.32 48.5 2.42 49.0 2.50 49.7 2.59 50.2 2.67 50.7 2.76 51.1 2.83 51.6 2.90 52.1 2.96 52.6
8 2.67 44.0 2.79 44.6 2.90 45.2 3.01 45.8 3.12 46.3 3.22 46.8 3.32 47.3 3.41 47.9 3.50 48.3
-------- -------------------------------------------------------3 1.56 58.5 1.60 59.0 1.65 59.4 1.68 59.9 1.73 60.2 1.76 60.6 1.80 60.9 1.84 61.2 1.87 61.5
4 1.91 54.8 1.97 55.4 2.03 55.9 2.09 56.4 2.14 56.9 2.19 57.4 2.24 57.8 2.29 58.1 2.33 58.5
72 5 2.19 51.6 2.27 52.3 2.35 52.8 2.42 53.4 2.49 53.9 2.56 54.3 2.62 54.8 2.68 55.3 2.74 55.7
6 2.42 48.9 2.51 49.6 2.60 50.2 2.69 50.8 2.78 51.2 2.87 51.7 2.94 52.2 3.01 52.8 3.08 53.2
8 2.78 44.3 2.90 45.0 3.02 45.5 3.13 46.2 3.25 46.7 3.35 47.2 3.45 47.8 3.55 48.3 3.64 48.8
------ l-----------------------------------------------------3 1.62 59.2 1.67 59.7 1.71 60.2 1.75 60.7 1.80 61.0 1.83 61.4 1.87 61.7 1.91 62.0 1.94 62.4
4 1.98 55.5 2.05 56.1 2.11 56.6 2.17 57.1 2.22 57.7 2.28 58.1 2.33 58.5 2.38 58.9 2.42 59.3
73 5 2.28 52.2 2.36 52.8 2.44 53.4 2.52 54.0 2.59 54.5 2.66 55.0 2.72 55.5 2.78 56.0 2.85 56.4
6 2.51 49.5 2.61 50.1 2.71 50.7 2.80 51.3 2.89 51.8 2.98 52.3 3.06 52.8 3.13 53.3 3.20 53.8
8 2.89 44.6 3.01 45.4 3.14 45.9 3.26 46.5 3.38 47.1 3.49 47.6 3.59 48.2 3.69 48.8 3.78 49.3
----- ---------------------------------------------------3 1.68 60.0 1.73 60.5 1.78 60.9 1.82 61.4 1.87 61.8 1.91 62.2 1.94 62.6 1.98 62.9 2.02 63.1
! 4 2.06 56.1 2.12 56.8 2.19 57.3 2.25 57.9 2.31 58.3 2.36 58.8 2.42 59.2 2.47 59.6 2.52 60.0
74 5 2.37 52.7 2.45 53.4 2.54 54.0 2.61 54.6 2.69 55.1 2.77 55.6 2.83 56.2 2.89 56.7 2.96 57.0
6 2.61 49.9 2.71 50.6 2.81 51.3 2.91 51.8 3.00 52.4 3.10 52.8 3.17 53.4 3.26 53.9 3.33 54.4
8 3.00 45.0 3.13 45.7 3.26 46.3 3.38 47.0 3.51 47.5 3.62 48.1 3.73 48.7 3.84 49.2 3.93 49.8
------ ------- --------l----------- ------------------------------3 1.75 60.7 1.80 61.2 1.85 61.7 1.89 62.2 1.94 62.6 1.98 63.0 2.02 63.3 2.06 63.7 2.10 64.0
4 2.14 56.8 2.21 57.4 2.28 58.0 2.34 58.5 2.40 59.0 2.46 59.5 2.51 60.0 2.57 60.3 2.61 60.8
75 5 2.46 53.3 2.54 54.1 2.63 54.7 2.71 55.3 2.79 55.8 2.87 56.3 2.94 56.8 3.00 57.3 3.07 57.8
6 . 2.71 50.4 2.82 51.1 2.92 51.8 3.02 52.4 3.12 52.9 3.22 53.4 3.30 54.0 3.38 54.5 3.45 55.1
8 3.12 45.3 3.25 46.1 3.38 46.8 3.51 47.4 3.64 47.6 3.76 48.6 3.87 49.2 3.98 49.7 4.08 50.3
400 425 450 475 500 525 550 575 600
3 .98 55.5 1.01 55.8 1.04 56.1 1.06 56.4 1.09 56.6 1.11 56.9 1.13 57.2 1.16 57.3 1.18 57.5
4 1.20 53.1 1.24 53.4 1.28 53.7 1.31 54.1 1.35 54.4 1.38 54.7 1.41 55.0 1.44 55.3 1.47 55.5
65 5 1.38 51.0 1.43 51.4 1.48 51.9 1.52 52.2 1.57 52.4 1.61 52.8 1.65 53.0 1.69 53.3 1.73 53.6
6 1.52 49.3 1.58 49.7 1.64 50.1 1.70 50.4 1.75 50.8 1.81 51.0 1.85 51.4 1.90 51.7 1.94 52.0
8 1.75 46.4 1.83 46.8 1.90 47.2 1.98 47.5 2.05 47.8 2.11 48.2 2.18 48.5 2.24 48.8 2.29 49.2
--------------------------------------- ----------------------------
3 1.03 56.2 1.06 56.5 1.09 56.8 1.12 57.1 1.15 57.3 1.17 57.6 1.19 57.9 1.22 58.1 1.24 58.3
4 1.27 ·53.6 1.30 54.1 1.35 54.3 1.38 54.8 1.42 55.1 1.45 55.4 1.49 55.6 1.52 55.9 1.55 56.2
66 5 1.45 51.5 1.50 52.0 1.56 52.3 1.60 52.7 1.65 53.0 1.70 53.3 1.74 53.6 1.78 53.9 1.82 54.2
6 1.60 49.7 1.67 50.1 1.73 50.5 L78 51.0 1.84 51.3 1.90 51.5 1.95 51.9 2.00 52.2 2.04 52.5
8 1.84 46.8 1.92 47.2 2.00 47.6 2.08 47.9 2.15 48.3 2.22 48.6 2.29 49.0 2.36 49.2 2.41 49.1
----- ---------------------------------------------------------3 1.09 56.8 1.12 57.2 1.15 57.5 1.17 57.9 1.20 58.1 1.23 58.4 1.25 58.7 1.28 58.8 1.30 59.1
4 1.33 -54.2 1.37 54.7 1.42 55.0 1.45 55.4 1.49 55.7 1.52 56.1 1.56 56.3 1.59 56.6 1.62 56.9
67 5 1.53 52.0 1.58 52.5 1.64 52.8 1.68 53.3 1.73 53.6 1.78 53.9 1.83 54.2 1.87 54.5 1.91 54.8
6 1.68 50.2 1.75 50.6 1.81 51.0 1.88 51.4 1.94 51.7 2.00 52.0 2.05 52.4 2.10 52.8 2.15 53.1
8 1.94 47.0 2.02 47.5 2.10 47.9 2.18 48.3 2.26 48.7 2.34 49.0 2.41 49.3 2.47 49.7 2.54 50.0
------1------------------------------------------------- ---3 1.14 57.5 1.17 57.9 1.20 58.3 1.23 58.6 1.26 58.9 1.29 59.1 1.31 59.4 1.34 59.6 1.36 59.9
4 1.39 54.9 1.44 55.3 1.49 55.6 1.52 56.1 1.56 56.4 1.60 56.7 1.64 57.0 1.67 57.3 1.70 57.6
68 5 1.60 52.5 1.66 53.0 1.72 53.3 1.77 53.8 1.82 54.1 1.87 54.5 1.91 54.9 1.96 55.2 2.00 55.5
6 1.77 50.6 1.84 51.0 1.90 51.5 1.97 51.9 2.03 52.3 2.09 52.6 2.15 53.0 2.20 53.3 2.25 53.7
8 2.03 47.4 2.12 47.8 ~ 48.2 2.29 48.6 ~ 49.0 2.45 49.4 ~ 49.8 2.60 50.1 2.66 50.5
-------3 1.19 58.3 1.23 58.6 1.26 59.0 1.29 59.3 1.32 59.6 1.35 59.9 1.38 60.1 1.41 60.4 1.43 60.6
4 1.46 55.5 1.51 55.9 1.56 56.3 1.60 56.7 1.64- 57"0 1.68 57.4 1.72 57.7 1.75 58.0 1.79 58.3
69 5 1.68 53.0 1.74 53.5 1.80 53.9 1.85 54.4 1.90 54.8 1.96 55.1 2.01 55.4 2.05 55.8 2.10 56.1
6 1.85 51.1 1.92 51.6 1.99 52.0 2.06 52.4 2.13 52.8 -2.19 53.2 2.25 53.5 2.31 53.9 2.36 54.2
8 2.13 47.7 2.22 48.2 2.31 48.6 2".40, 49.0 2.49 '49;4 2.57 49.8 2.65 50.2 2.72 50.6 2.79 51.0
---------- ------ ------------------------------------- ------------3 1.25 59.0 1.28 59.4 1.32 59.7 1.35 60.1 1.38 60.4 LA! 60.7 1.44 60.9 1.47 61.2 !.50 61.4
4 !.53 56.1 1.58 56.5 1.63 56.9 1.67 57.4 1.71 57.8 1.75 58.1 1.80 58.4 1.83 58.7 1.87 59.0
70 5 1.76 53.5 1.82 54.1 1.88 54.5. 1:94 55.0 1.99 55.4 2.05 55.7 2.10 56.1 2.15 56.4 2.20 56.7
6 1.94 51.5 2.01 52.1 2.09 52.4 .2.16 52.9 2.23 53.3 2.30 53.6 2.36 54.1 2.42 54.4 2.47 54.8
8 2.23 48.0 2.32 48.6 2.42 49;0 '2.51 49;4 ·2.60 49.8 2.69 50.2 2.77 50.6 2.85 51.0 2.92 51.4
---------------------------------1.45'
---1'.48
--------------- ---3 1.31 59.6 1.34 60.1 1.38 60.4 .1.41 so,8 61..1 61.4 1.51 61.7 1.54 61.9 1.57 62.2
4 1.60 56.7 1.65 57.2 1.70 57.6 1.75 58.0 1.79 58.4 1.83 58.8 1.88 59.1 1.92 59.4 1.95 59.7
71 5 1.84 54.1 1.90 54.7 1.97 55.1 ~:g~ · .. 55.5 2.08 56.0 - 2.15 56.3 2.20 56.7 2.24 57.1 2.30 57.4
6 2.03 52.0 2.11 52.5 2.18 53.0 53.4 2.33 ~~:~ 2.40 54.2 2.47 54.6 2.53 55.0 2.58 55.4
8 2.33 48.4 2.43 48.9 2.53 49.4 2.63 49.8 2.72 2.81 50.7 2.89 51.1 2.98 51.5 3.05 51.9
------- ---------------------------------------- ------------3 1.37 60.3 1.40 60.9 1.44 61.2 1.47 61.6 1.51 61.9 1.55 62.2 1.57 62.5 1.61 62.7 1.64 63.0
4 1.67 57.3 1.72 57.9 1.78 58.2 1.83 58.7 1.87 59.1 1.92 59.4 1.96 59.8 2.00 60.1 2.04 60.4
72 5 1.92 54.7 1.99 55.2 2.06 55.6 2.12 56.1 2.18 56.6 2.24 56.9 2.29 57.4 2.34 57.8 2.40 58.1
6 2.12 52.4 2.20 53.0 2.28 53.5 2.36 53.9 2.43 54.4 2.51 54.8 2.58 55.2 2.64 55.6 2.70 56.0
8 2.43 48.8 2.54 49.2 2.64 49.8 2.74 50.3 2.84 50.7 2.94 51.1 3.02 51.6 3.11 51.9 3.19 52.4
------ --------------------------- --------- ------------3 1.43 61.1 1.46 61.6 1.50 62.0 1.54 62.3 !.58 62.6 1.61 63.0 1.64 63.3 1.68 63.5 1.71 63.8
4 1.74 58.0 1.80 58.5 1.86 58.9 1.91 59.4 1.96 59.7 2.00 60.2 2.05 60.5 2.09 60.9 2.13 61.2
73 5 2.00 55.3 2.07 55.8 2.15 56.2 2.21 56.8 2.27 57.2 2.34 57.6 2.40 58.0 2.45 58.4 2.50 58.9
6 2.21 53.0 2.30 53.5 2.38 54.0 2.46 54.5 2.54 54.9 2.62 55.3 2.69 55.8 2.76 56.2 2.82 56.6
8 2.54 49.1 2.65 49.6 2.76 50.1 2.87 50.6 2.97 51.1 3.07 51.5 3.16 52.0 3.25 52.4 3.33 52.9
------------------------------------------------------
3 1.49 61.8 1.53 62.3 1.57 62.7 1.61 63.1 1.65 63.4 1.68 63.8 1.71 64.1 1.75 64.3 1.78 64.6
4 1.82 58.6 1.88 59.1 1.94 59.6 1.99 60.0 2.04 60.5 2.09 60.8 2.14 61.2 2.18 61.6 2.22 61.9
74 5 2.09 55.8 2.16 56.4 2.24 56.9 2.31 57.3 2.37 57.8 2.44 58.2 2.50 58.6 2.55 59.1 2.61 59.4
6 2.30 53.5 2.40 54.0 2.48 54.6 2.57 55.0 2.65 '55.5 2.73 55.9 2.80 56.4 2.88 56.7 2.94 57.2
8 2.65 49.4 2.76 50.1 2.88 50.5 2.99 51.0 3.10 51.5 3.20 51.9 3.29 52.5 3.39 52.9 3.47 53.4
----------------- ------------------------------------------------3 1.55 62.6 1.59 63.1 1.63 63.5 1.67 63.9 1.72 64.2 1.75 64.5 1.79 64.8 1.83 65.1 1.86 65.4
4 1.90 59.2 1.95 59.9 2.02 60.3 2.07 60.8 2.13 61.1 2.17 63.0 2.23 61.9 2.27 62.3 2.32 62.6
75 5 2.18 56.4 2.25 57.0 2.33 57.5 2.40 58.0 2.47 58.5 2.54 58.9 2.60 59.3 2.66 59.7 2.72 60.1
6 2.40 54.0 2.50 54.5 2.59 55.1 2.67 55.6 2.76 56.1 2.85 56.4 2.92 56.9 3.00 57.3 3.06 57.8
8 2.76 49.8 2.88 50.4 3.00 50.9 3.11 51.5 3.23 51.9 3.33 52.4 3.43 52.9 3.53 53.4 3.62 53.8
6 FOR FREON AND METHYL CHLORIDE
R COIL FACE VELOCITY 0 ENT. w WET
s 400 425 450 475 500 525 550 575 600 D
BULB E Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. Tons Lvg. E Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet Per Wet p Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb Sq. ft. Bulb
--------- ------------ ---- ---------------- --- ---------------- ---- ---
3 .79 57.5 .82 57.7 .84 57.9 .86 58.2 .88 58.4 .90 58.6 .92 58.7 .93 59.0 .95 59.1
65 4 .97 55.6 1.00 55.9 1.03 56.2 1.06 56.4 1.09 56.6 1.11 56.9 1.14 57.1 1.16 57.3 1.19 57.4 5 1.12 54.0 1.15 54.4 1.20 54.5 1.23 54.9 1.27 55.1 1.30 55.4 1.33 55.6 1.36 55.8 1.39 56.1 6 1.23 52.7 1.28 53.0 1.33 53.3 1.37 53.6 1.41 53.9 1.46 54.0 1.50 54.3 1.54 54.5 1.57 54.9
8 1.41 50.6 1.47 51.0 1.54 51.1 1.59 51.5 1.65 51.7 1.71 51.9 1.76 52.2 1.81 52.4 1.85 52.7 ---------------------------------------------------------------
3 .84 58.2 .87 58.4 .89 58.7 .91 58.9 .93 59.1 .95 59.3 .97 59.5 .99 59.7 1.01 59.8 4 1.03 56.2 1.06 56.5 1.10 56.7 1.13 57.0 1.16 57.2 1.18 57.6 1.21 57.7 1.24 57.9 1.26 58.2
66 5 1.18 54.6 1.23 54.8 1.27 55.1 1.31 55.4 1.34 55.7 1.38 56.0 1.42 56.2 1.45 54.4 1.48 56.6
6 1.31 53.1 1.36 53.5 1.41 53.7 1.45 54.1 1.50 54.3 1.55 54.6 1.59 54.8 1.63 55.1 1.66 55.4
8 1.50 50.9 1.57 51.2 1.63 51.5" 1.69 51.8 1.76 52.0 1.81 52.3 1.87 52.5 1.92 52.8 1.97 53.1
---~-- ---------------------------------------------------------3 .89 58.9 .92 59.1 .94 59.4 .97 60.4 .99 59.8 1.01 60.0 1.03 60.2 1.05 60.4 1.07 60.6 4 1.09 56.8 1.13 57.1 1.16 57.4 1.19 57.7 1.23 57.9 1.25 58.2 1.28 58.4 1.31 58.6 1.34 58.8
67 5 1.26 55.0 1.30 55.4 1.35 55.6 1.39 56.0 1.42 56.3 1.47 56.5 1.50 56.8 1.53 57.1 1.57 57.2
6 1.38 53.7 1.44 53.9 1.49 54.3 1.54 54.6 1.59 54.9 1.64 55.1 1.68 55.4 1.73 55.6 1.76 55.9
8 1.59 51.3 1.66 51.6 1.73 51.9 1.80 52.1 1.86 52.4 1.92 52.7 1.98 53.0 2.04 53.2 2.09 53.5 -------------------------------------------------------- -------
3 .94 59.5 .97 59.8 1.00 60.0 1.02 60.3 1.05 60.5 1.07 60.8 1.09 61.0 1.11 61.2 1.13 61.4
68 4 1.16 57.3 1.19 57.7 1.23 58.0 1.26 58.3 1.30 58.6 1.32 58.9 1.36 59.1 1.39 59.3 1.41 59.5 5 1.33 55.5 1.37 56.0 1.42 56.3 1.47 56.5 1.51 56.8 1.55 57.1 1.59 57.4 1.62 57.7 1.66 57.9
6 1.46 54.1 1.52 54.4 1.58 54.7 1.63 55.1 1.68 55.4 1.74 55.6 1.78 55.9 1.83 56.1 1.87 56.4
8 1.68 51.6 1.75 52.0 1.83 52.2 1.90 52.5 1,\17 l'i,Pl 2.03 53.1 2.09 53.4 2.15 53.7 2.21 54.0 ------------------ ------------------------------
3 1.00 60.2 1.02 60.6 1.05 60.8 1.08 61.0 17.11 61.Z 1.13 61.5 1.15 61.7 1.17 62.0 1.19 62.2
69 4 1.22 58.0 1.26 58.3 1.30 58.6 1.33 59.0 f .37 .. 59,2 1.40 59.5 1.43 59.8 1.46 60.0 1.49 60.2
5 1.40 56.1 1.45 56.5 1.50 56.8 f. 55. 57.1 1.59' 57.4 1.64 57.7 1.68 58.0 1.71 58.3 1.75 58.5
6 1.55 54.5 1.61 54.9 1.67 55.2 '1.72• 55.6 1.78 55.9 1.83 56.2 1.88 56.4 1.93 56.7 1.97 57.0
8 1.78 51.9 1.85 52.3 1.93 52.6 . 2.00! 53.0 !2.08 53:2.. 2.15 53.5 2.21 53.8 2.27 54.2 2.33 54.4 ------ --------------------- --·-·-· ------ ------------------------
3 1.05 60.9 1.08 61.2 1.11 61.5: 1.14 61.8 10.1.7' 62.0. 1.19 62.3 1.21 62.5 1.24 62.7 1.26 62.9
70 4 1.29 58.6 1.33 58.9 1.37 59.3 1.41 59.6 1.44 59..9 1.47 60.2 1.51 60.4 1.54 60.7 1.57 60.9
5 1.48 56.6 1.53 57.0 1.58 57!!1 "1:153 57:7 1.68 581.0 1.73 58.3 1.77 58.6 1.81 58.9 1.85 59.1
6 1.63 55.0 1.69 55.4 1.76 55.7 1.81 ~~;·l 1,.87 56.4 1.93 56.7 1.98 57.0 2.03 57.3 2.08 57.6
8 1.87 52.3 1.95 52.7 2.03 53.1' ···2cl·h 2.f9. 53.6 2.26 54.0 2.33 54.3 2.40 54.6 2.45 55.0 -------------------------- ---. ----------------------------------
3 1.11 61.6 1.14 61.9 1.17 62.2 1.2o; 62.5 h23 62.7 1.25 63.0 1.28 63.2 1.30 63.5 1.33 63.6
71 4 1.35 59.2 1.40 59.6 1.44 59.9 1.48• 60.3 1.52" . 60.6 1.55 60.9 1.59. 61.1 1.62 61.4 1.65 61.7
5 1.56 57.1 1.61 57.6 1.67 57.9 1.72 58.3 1.76 58.7 1.82 58.9 1.86 59.2 1.90 59.5 1.94 59.8
6 1.71 55.5 1.78 55.9 1.85 56.2 1.91 56.6 1.97 56.9 2.03 57.2 2.09 57.5 2.14 57.9 2.18 58.2
8 1.97 52.7 2.06 53.0 2.14 53.4 2.22 53.8 2.30 54.1 2.38 54.4 2.45 54.7 2.52 55.1 2.58 55.4 ---------------------------------------------------------------
3 1.16 62.3 1.19 62.7 1.23 63.0 1.26 63.3 1.29 63.5 1,32 63.8 1.34 64.0 1.37 64.2 1.39 64.5
72 4 1.42 59.9 1.47 60.2 1.51 60.6 1.55 61.0 1.59 61.3 f.63 61.6 1.67 61.8 1.71 62.1 1.74 62.3
5 1.63 57.7 1.69 58.2 1.75 58.5 1.80 58.9 1.85 59.3 1.91 59.5 1.95 59.9 2.00 60.1 2.04 60.4
6 1.80 56.0 1.87 56.4 1.94 56.8 2.01 57.1 2.07 57.5 2.14 57.7 2.19 58.1 2.25 !58.4 2.30 58.8
8 2.07 53.0 2.16 53.4 2.25 53.8 2.34 54.1 2.42 54.5 2.50 54.8 2.57 55.2 2.65 55.5 2.71 55.9 ------ --------------------------------------------- ------------
3 1.22 63.1 1.25 63.4 1.29 63.7 1.32 64.0 1.35 64.3 1.38 64.6 1.41 64.8 1.44 65.0 1.46 65.2
73 4 1.49 60.5 1.54 60.9 1.59 61.2 1.63 61.6 1.67 62.0 1.71 62.3 1.75 62.6 1.79 62.8 1.83 63.1
5 1.72 58.2 1.78 58.7 1.84 59.1 1.89 59.5 1.95 59.8 2.00 60.2 2.05 60.5 2.10 60.8 2.14 61.1
6 1.89 56.5 1.97 56.8 2.04 57.3 2.11 57.6 2.18 58.0 2.24 58.4 2.30 58.7 2.36 59.0 2.41 59.4
8 2.18 53.3 2.27 53.8 2.36 54.2 2.45 54.6 2.54 54.9 2.62 55.3 2.70 55.7 2.78 56.0 2.85 56.4 ---------------------------------------------------------------
3 1.28 63.8 1.31 64.2 1.35 64.5 1.38 64.8 1.42 65.0 1.45 65.3 1.48 65.5 1.51 65.8 1.53 66.0
74 4 1.56 61.2 1.61 61.6 1.67 61.9 1.71 62.3 1.75 62.7 1.79 63.0 1.84 63.2 1.88 63.5 1.91 63.8
5 1.80 58.8 1.86 59.3 1.93 59.6 1.98 60.1 2.04 60.6 2.10 60.8 2.15 61.1 2.20 61.4 2.25 61.7
6 1.98 57.0 2.06 57.4 2.14 57.8 2.21 58.2 2.28 58.6 2.35 58.9 2.41 59.3 2.48 59.6 2.53 59.9
8 2.28 53.7 2.38 54.2 2.48 54.6 2.57 55.0 2.67 55.3 2.75 55.8 2.83 56.2 2.92 56.4 2.99 56.8 ---------------------------------------------------------------
3 1.34 64.5 1.38 64.9 1.41 65.2 1.45 65.5 1.49 65.8 1.52 66.1 1.55 66.3 1.58 66.6 1.61 66.8
75 4 1.64 61.8 1.69 62.2 1.75 62.5 1.79 63.0 1.84 63.3 1.88 63.7 1.93 64.1 1.97 64.3 2.00 64.5
5 1.88 59.4 1.95 59.9 2.02 60.3 2.08 60.7 2.14 61.1 2.20 61.4 2.25 61.8 2.30 62.1 2.35 62.4
6 2.08 57.4 2.16 57.9 2.24 58.3 2.31 58.8 2.39 59.1 2.46 59.5 2.53 59.8 2.59 60.2 2.65 60.5
8 2.39 54.1 2.49 54.5 2.59 55.1 2.69 55.5 2.79 55.8 2.88 56.2 2.97 56.6 3.05 57.0 3.13 57.3
400 425 450 475 500 525 550 575 600
3 .60 59.4 .62 59.6 .64 59.7 .65 59.9 .67 60.0 .68 60.2 .70 60.3 .71 60.4 .72 60.6
65 4 .74 58.0 .76 58.3 .79 58.4 .81 58.6 .83 58.8 .85 58.9 .87 59.1 .89 59.2 .90 59.4
5 .85 56.9 .88 57.1 .91 57.3 .94 57.5 .96 57.7 .99 57.9 1.01 58.1 1.04 58.2 1.06 58.3
6 .94 55.9 .97 56.2 1.01 56.4 1.04 56.6 1.08 56.7 1.11 56.9 1.14 57.1 1.17 57.2 1.19 57.4
8 1.08 54.4 1.12 54.7 1.17 54.8 1.21 55.1 1.26 55.2 1.30 55.4 1.34 55.5 1.38 55.7 1.41 55.9 ----- ---------------------------------------------------------
3 .65 60.1 .67 60.2 .69 60.4 .70 60.6 .72 60.8 .74 60.9 .75 61.1 .77 61.2 .78 61.3
66 4 .80 58.6 .82 58.8 .85 59.0 .87 59.2 .89 59.4 .91 59.6 .94 59.7 .96 59.9 .97 60.1
5 .92 57.3 .95 57.6 .98 57.8 1.01 58.1 1.04 58.2 1.07 58.4 1.09 58.6 1.12 58.8 1.14 59.0
6 1.01 56.4 1.05 56.6 1.09 56.8 1.12 57.1 1.16 57.2 1.20 57.4 1.23 57.6 1.26 57.8 1.29 58.0
8 1.16 54.8 1.21 55.0 1.26 55.2 1.31 55.4 1.36 55.6 1.40 55.8 1.44 56.0 1.48 56.2 1.52 56.4 ------------------------------------------------------------ ----
3 .70 60.7 .72 60.9 .74 61.1 .76 61.3 .78 61.4 .79 61.7 .81 61.8 .82· 62.0 .84 62.1
4 .86 59.2 .88 59.5 .91 59.7 .94 59.8 .96 60.1 .98 60.3 1.01 60.4 1.03 60.6 1.05 60.7
67 5 .98 57.9 1.02 58.2 1.05 58.4 1.09 58.6 1.12 58.8 1.15 59.0 1.18 59.2 1.20 59.4 1.23 59.5
6 1.08 56.9 1.13 57.1 1.17 57.3 1.21 57.5 1.25 57.7 1.29 57.9 1.32 58.1 1.35 58.4 1.38 58.6
8 1.25 55.1 1.30 55.4 1.36 55.5 1.41 55:8 1.46 56.0 1.51 56.2 1.55 56.4 1.59 56.6 1.63 56.8 -------- ---------------------------------------------------------
3 .75 61.4 .77 61.6 .79 61.8 .81 62.0 .83 62.2 .85 62.3 .. 86 62.6 .88 62.7 .90 62.8
4 .92 59.7 .95 60.0 .98 60.2 1.00 60.5 1.03 60.7 1.05 60.9 1.08 61.0 1.10 61.2 1.12 61.4
68 5 1.05 58.5 1.09 58.7 1.13 58.9 1.16 59.2 1.20 59.4 1.23 59.6 1.26 59.8 1.29 60.0 1.32 60.1
6 1.16 57.3 1.21 57.5 1.25 57.8 1.29 58.1 1.34 58.2 1.38 58.4 1.41 58.7 1.45 58.9 1.48 59.1
8 1.34 55.4 1.39 55.8 1.45 56.0 1.51 56.2 1.56 56.4 1.61 56.6 1.66 56.8 1.71 57.0 1.75 57.2 --------------- ---------------------------------------------------
3 .80 62.1 .82 62.3 .84 62.6 .87 62.7 .89 62.9 .91 63.1 .92 63.3 .94 63.4 .96 63.6
4 .98 60.4 1.01 60.7 1.04 60.9 .! .• OZ .. 61.1 1.10.· ·61.,3 1.12 61.6 1.15 61.7 1.17 62.0 1.20 62.1
69 5 1.13 58.9 1.17 59.2 1.21 59.4 1.24 59.7 1,2l! 59.9., 1.31 60.2 1.34 60.4 1.38 60.6 1.41 60.8
6 1.24 57.8 1.29 58.1 1.34 58.3' 1.38 58.6 .f.43 58.8 \ 1.47 59.0 1.51 59.2 1.55 59.4 1.58 59.7
8 1.43 55.8 1.49 56.1 1.55 56.3 J;61 56.6 1.67 _-:;E?.8 I~ 57.0 1.77 57.3 1.82 57.5 1.87 57.7 ------
63.3 .94 3 .85 62.8 .88 63.0 .90 ,92 63.5 63.7 .. 97 63.8 .98 64.0 1.00 64.2 1.02 64.3
4 1.04 61.0 1.08 61.2 1.11 61.5 1.14 61.8 1..17 62.1) 1.20 62.2 1.23 62.4 1.25 62.6 1.27 62.8
70 5 1.20 59.5 1.24 59.8 1.28 60.1· 1.32 60.3 1 .. 36 ~g:~ 1.40 60.8 1.43 61.0 1.46 61.2 1.50 61.4
6 1.32 58.3 1.37 58.6 1.42 58.8. 1J?·. 59.1 1.52 _1.57 59.5 1.61 59.7 1.65 60.0 1.68 60.2
8 1.52 56.2 1.58 56.5 1.65 56.7 57.0 1.78 57.2 1.83 57.5 1.89 57.7 1.94 57.9 1.99 58.2 ------ -----------------------
.98--' ---
'1.00 ------------------------- ----
3 .91 63.5 .93 63.7 .96 63.9 64.2 64:4 1.03 64.5 1.04 64.8 1.07 64.9 1.09 65.1
4 1.11 61.6 1.14 61.9 1.18 62.2" 1.21 ~~-~ \1.24' 62.7 1.27 62.9 1.30 63.1 1.33 63.3 1.35 63.5
71 5 1.27 60.0 1.32 60.3 1.36 60,6 1.40 1.44 61.2 1.49 61.5 1.52 61.6 1.56 61.8 1.59 62.0
6 1.40 58.8 1.46 59.0 1.51 ~n- 1.56. '59:5 1.'61 59.9' 1.66 60.1 1. 71 60.3 1.75 60.5 1.79 60.8
a 1.61 56.6 1.68 56.9 1.75 . ·-1.82" 57.4 1.89 ... 57.6 1.95 57.9 2.01 58.1 2.06 58.4 2.11 58.7 ----------- -------------,----------------------------------------
3 .96 64.2 .99 64.4 1.01 64.7 1.04 64.9 1.06 65.2 1.09 65.3 1.11 65.5 1.13 65.7 1.15 65.9
72 4 1.17 62.2 1.21 62.5 1.25 62.8 1.28 63.1 1.32 63.3 1.35 63.5 1.38 63.8 1.41 64.0 1.43 64.2 5 1.35 60.5 1.40 60.9 1.45 61.1 1.49 61.5 1.53 61.7 1.58 61.9 1.61 62.2 1.65 62.5 1.69 62.7 6 1.49 59.2 1.55 59.5 1.60 59.8 1.66 60.1 1.71 60.4 1.76 60.6 1.81 60.9 1.86 61.1 1.90 61.3 8 1.71 56.9 1.78 57.3 1.86 57.5 1.93 57.8 2.00 58.1 2.07 58.3 2.13 58.6 2.19 58.8 2.24 59.1
--------------------------------------------------------------3 1.02 64.8 1.04 65.2 1.07 65.4 1.10 65.6 1.13 65.8 1.15 66.1 1.17 66.3 1.20 66.4 1.22 66.6 4 1.24 62.9 1.28 63.2 1.33 63.4 1.36 63.7 1.39 64.0 1.43 64.2 1.46 64.5 1.49 64.7 1.52 64.9
73 5 1.43 61.1 1.48 61.4 1.53 61.7 1.58 62.0 1.62 62.3 1.67 62.6 1.71 62.8 1.75 63.1 1.78 63.3 6 1.57 59.7 1.64 60.0 1.69 60.4 1.75 60.7 1.81 60.9 1.87 61.1 1.92 61.4 1.97 61.6 2.01 61.9 8 1.81 57.3 1.89 57.6 1.97 57.9 2.04 58.3 2.12 58.5 2.19 58.8 2.25 59.1 2.32 59.3 2.37 59.6
------ -------------------------------------------------------3 1.07 65.6 1.10 65.9 1.13 66.2 1.16 66.4 1.19 66.6 1.22 66.8 1.24 67.0 1.26 67.2 1.29 67.4
74 4 1.31 63.5 1.35 63.8 1.40 64.1 1.44 64.4 1.47 64.7 1.51 64.9 1.54 65.2 1.57 65.4 1.60 65.6 5 1.51 61.6 1.56 62.0 1.62 62.3 1.66 62.7 1.71 63.0 1.76 63.2 1.80 63.5 1.84 63.8 1.88 64.0 6 1.66 60.2 1.73 60.5 1.79 60.9 1.85 61.2 1.91 61.5 1.97 61.7 2.02 62.0 2.08 62.2 2.12 62.5 8 1.91 57.7 1.99 58.1 2.08 58.3 2.16 58.6 2.24 58.9 2.31 59.2 2.38 59.5 2.45 59.7 2.51 60.1
----------------------------------------------------3 1.13 66.3 1.16 66.6 1.19 66.9 1.22 67.2 1.25 67.4 1.28 67.6 1.31 67.8 1.33 68.0 1.36 68.2
75 4 1.38 64.1 1.43 64.4 1.48 64.7 1.51 65.1 1.55 65.4 1.59 65.6 1.63 65.8 1.66 66.1 1.69 66.$ 5 1.59
I 62.2 1.65 62.6 1.70 63.0 1.76 63.2 1.81 63.5 1.86 63.8 1.90 64.1 1.94 64.4 1.99 64.6
6 1.75 60.7 1.82 61.1 1.89 61.4 1.95 61.7 2.02 62.0 2.08 62.3 2.13 62.6 2.19 62.8 2.24 63.1 8 2.02 58.0 2.10 58.5 2.19 58.8 2.27 59.1 2.36 59.4 2.44 59.6 2.51 60.0 2.58 60.3 2.64 60.6
FOR FREON AND METHYL CHlORIDE 7
As an example, assume that a water cooling coil is required for a Model AC315 Seasonmaster:
SPECIFIED Air Volume (Std. Air) Entering Air Condition Total load . . . . . Sensible load . . . . Water Temperature (Entering) Water Quantity Available .. Allowable Water Pressure Drop.
SOLUTION
A. BTU/# to be removed
B. leaving Wet Bulb
Total BTU /HR
CFM X 4.5
350,000
8000 X 4.5
= 9.72
BTU/# at 70° Ent. W.B. = 34.09* BTU/# to be removed = 9.72
BTU/# at leaving W.B. = 24.37.
:. leaving W.B. = 56.8*
*From Total Heat Table on Page 5
8000 CFM 85° DB, 70° WB 350,000 BTU/HR 220,000 BTU/HR
48° F 70 GPM
15 Ft. Water
C. On a McQuay psychometric chart draw a straight line from
the point representing the entering air condition to a point
on the saturation line midway between the entering water
temperature and the leaving wet bulb temperature (52.4
on the saturation line). At the intersection of the line so
drawn and the 56.8° wet bulb line read:
leaving Dry Bulb = 59.5°
D. With 59.5° leaving Dry Bulb:
Sensible BTU/HR = CFM x 1.09 x T.D. Temperature Drop (TO) = Ent. D.B. - lvg. D.B.
= 85 - 59.5 = 25.5 Sensible BTU /HR = 8000 X 1.09 X 25.5
= 222,200
Total BTU/HR E. Temperature Rise of Water = GPM x
500
350,000
70 X 500
:. lvg. Water Temp. = 48° + 10° = 58°
10°
F. Wetted Surface Factor
Ent. Air 85° D.B. Ent. Air 63° D.P. Ent. Water 48° Ent. Water 48°
37° 15°
W.S.F. = 1.20 (from Fig. 1 Page 9)
G. Mean Effective Temperature Difference (between air and water)
Ent. Air 85° D.B. lvg. Air 59.5° D.B. lvg. Water 58° Ent. Water 48°
27° 11.5°
M.E.D. = 18.16 (from Table 5 on Pages 10 & 11)
H. Coil Face Area = 16.0 sq. ft. (from page 23)
8
I. Coil Face Velocity CFM
Face Area 8000
= -- = 500 FPM 16
J. Assume single serpentine coil, Model W or C, then tubes fed = 16 (from table below)
K. Water Velocity GPM X 500
437 x Tubes Fed 70 X 500
L. "U" Factor
M. Rows Deep
437 X 16 = 5.00 F.P.S.
177 (from Fig. 2, Page 9}
Total BTU/HR
Coil Face Area x W.S.F. x M.E.D. x U 350,000
16.0 X 1.20 X 18.16 X 177 = 5.64
Use 6 row coil (Model W86 or C86)
N. Assume W86 Coil: Water Pressure Drop = P x Rows x Corr. Factor
P = 1.75 (from Fig. 3, Page 9) Rows = 6
Corr. Factor 1.272 (from Table 4, Page 9) P.O. = 1.75 X 6 X 1.272
= 13.4 Ft. of Water
If a lower pressure drop were required it would be necessary to recalculate for a double serpentine coil as follows:
P. Tubes Fed = 31 (from Table below)
Q. Water Velocity 70 X 500
437 X 31 = 2.59 F.P.S.
R. "U" Factor = 161 (from Fig. 2, Page 9)
350,000 S. Rows Deep =
16.0 X 1.20 X 18.16 X 161 = 6.24 use 8 row coil (Model WD88)
Double serpentine coils must have an even number of rows deep and an 8 row coil is recommended in lieu of a 6 row because an allowance should always be made for fouling (liming, lint, etc.).
T. Water Pressure Drop = .54 x 8 x .666 = 2.88 Ft. of Water
NUMBER OF TUBES FED !N SINGLE AND DOUBLE SERPENTINE COILS
Unit Model
No.
AC108 ACllO AC111 AC210 AC116 I AC211 I AC213 I
COIL TYPE
IWD&CD w & c 8 I 1s
10 I 19 12 23
Ur.il I Model
No.
AC215 AC216 AC315
10 19 AC220 18 35 AC223 12 23 14 27
AC320
I AC323
W and WD are standard water coils. C and CD are cleanable water coils. The "D" indicates double serpentine.
COIL TYPE
w & c \wo&co 16 31 18 35 16 31 18 35 24 47 22 43 26 51
ii:" "' ! ..: 1.6 0 .... u o( .... lU 1.5 u o( .... ..: :I
"' 0 1.4 ..... .... .... lU
~
1.3
1.2
1.1
10 20 30 40 50 ENT. AIR D. P.-ENT. WATER TEMP.
FIG. 3-WATER PRESSURE DROP
""3.0 11.1 ... 0
~ 2 2.0
..: w &:1.
..: lU .... c( ~ .... 1.0 0 0.9
...: 0.8
;o.7 ~ ;;: 0.6 0 :5 0.5
w ..: 0.4 :I
"' "' ~ 0.3 &:1.
~ 0 ..... .... 0.2 ..: lU .... c(
~ f-===1 II '~ --P-----t'
&:1.
0.1 f-c-t-t
·~ .• ·
2 3 4 5 6 7 8 9 10 WATER VELOCITY-FPS
190 C.---'- '
&:1. ..... w 0 ~ 180 0 ..: ~
" a. Q 170 w :e '' --'-'-;-' ''
g -+f- f+jC Q 160 ' .
'
o( w ~ 150
t "-130"'!--·
~ -'+' ~
" a. :I 120 .... <0 II
? 110
IiI
'.
'f'
. ·:-+7 . -~~1 •• 5+--
' '' ·r
. , ' l.O· .. '··=
••. ±¢:~~
~ffil·~ I +c+c',_, ---t fj:±±±=
'+;H+TL 'f-~
'-h-.. +++-t
100 300 350 400 450 500 550 600
FACE VELOCITY-FEET PER MINUTE (STD. AIR)
TABLE 4
WATER PRESSURE DROP CORRECTION FACTORS
UNIT COIL TYPE MODEL
NO. w WD I c CD ------------------------
AC108 .462 .262 .873 .426
AC110 .505 .283 .915 .447 ----------------
AC111 .568 .315 .978 .478 -------- ---------------
AC210 .746 .404 1.156 .568
ACII6 .641 .351 1.052 .515 ---------------
AC211 .862 .461 1.271 .626
AC213 .873 I .467 1.282 .631 ----------1-----
AC215 .947 .504 1--1~~ .668 -----
AC216 1.000 .530 I 1.410 .694 .-----
AC315 1.272 .666 1.683 .830 I
AC220 1.294 .678 1.705 .841
AC223 1.294 .678 1.705 .841 -----------
AC320 1.525 .792
~-~~r .956
AC323 1.620 .840 2.030 1.005
9
2.00 2.47 3.00 2.89 3.51 4.00 3.28 3.95 4.48 5.00 3.64 4.33 4.93 5.49 6.00 3.99 4.73 5.36 5.94 6.37 7.00 4.33 5.10 5.77 6.38 7.01 7.63 8.00 4.65 5.40 6.17 6.81 7.40 7.86 8.49 9.00
_4.97 5,82 6.55 7.21 .. }.85.. 8.39 8.96 9.58. 10.00 5.28 6.17 6.92 7.61 8.27 8.87 9.42 10.06 10.49 11.00 5.58 6.49 7.28 8.00 8.70 9.32 9.86 10.52 10.97 11.49 12.00 5.88 6.82 7.64 8.37 9.08 9.67 10.30 10.97 11.43 11.96 12.50 13:00 6.17 7.15 8.00 8.74 9.47 10.10 10.72 11.24 11.89 12.42 12.99 13.48 14.00 6.45 7.46 8.32 9.10 9.98 10.52 11.13 11.70 12.33 12.94 13.45 13.91 14.58 15.00 6.73 'i.7i 8.66 9.46 10:22 10.86 11.54 12.14 12.77 13.33 13.90 14.44 14.93 15.87 16.00 7.01 8.08 8.98 9.81 10.61 11.26, 11.94 12.57 13.19 13.79 14.45 14.90 15.46 16.00 16.29 17.00 7.28 ' 8.37 9.31 10.15 10.96 11.65 12.33 12.99 13.61 14.22 14.80 15.35 15.90 16.46 16.98 17.51 7.55 8.67 9.63 10.49 11.30 12.04 12.72 13.39 14.02 14.65 15.23 15.80 16.38 16.90 17.31 18.07 7.82 8.96 .. 9.94 10.82 11.67 12.37 13.10 13.92 14.43 15,06 15.66 16.26 16.81 17.39 17.93 18.51
6.57 8.o8 9.25 10.25 11.15 12.00 12.74 13.47 14.19 14.83 15.47 16.08 16.69 17.26 17.83 18.35 18.96 6.79 8.34 ; 9.54 10.56 11.47 12.35 13.11 13.84 14.57 15.22 15.87 16.50 17.11 17.71 18.28 18.84 19.40 7.02 8.60 : 9.82 10.86 11.79 12.68 13.44 14.20 14.89 15.61 16.27 16.92 17.53 18.12 18.72 19.27 19.90 7.24 8.85. 10.QI 11.16 12.11 13.02, 13.79 14.56 15.27, 15.99 16.64 17.31 17.95 18.55 19.15 19.73 20.33 7.46 9.11 ,10.38 11.46 ,)2.43 13.34 14.14 14.92 .15.65: 16.37 17.05 17.74 18.35 18.95 19,58 .20.14 .20.76 767: 9.36 :10.65 11.75 12.74 13.67 i4:46' 15.26 16.02 16.75 17.43' 18.11 18.76 19.38 20.01 20.60 21.20 7:89 ' 9.61 10.92 12.05 13.05 13.99 14.81 15.62 16.38 17.11 17.82 18.50 19.20 19.79 2o.42 21.01 21.63 8.10 9.85 11.19 12.33 13.35 14.31 15.15 15.96 16.75 17.48 18.20 18.89 19.55 20.20 20.83 21.44 22.04 8.32 10.01 11.46 12.62 13.65 14.63 15.49 16.31 17.10 17.85 18.57 19.27 19.94 20.60 21.24 21.85 22.49 8.53 10.34 ll\.73 12~90 13.95 14.94 15:79 16.64 17.46: 18.20 18.94 19.64 20.33 20.99 21.64 22.27 22.90 8.74 :10.58 11.98 13.19 14.25 15.25 16.12 16.98 17.81 18,.16 19.31 20.02 20.71 21.27 22.09 22.67 23.31 8.94 10.82 12.26 13.47 14.55 15.57 16.45 17.31 18.11 18.91 19.66' 20.39 21.09 21.77 22.45 23.08 23.72 9.15 11.06 112.51 13.74 14.84 15.87 16.75 17.64 18.46 19.26 20.03 20.76 21.47 22.18 22.83 23.47 24.13 9.36 11.29 12.76 14.02 15.13 16.17 17.08 17.97 18.80 19.61 20.37 21.12 21.85 22.53 23.22 23.88 24.53 9.56 11.53 :13,03.. J4.29 .. 15.47. 16.48, 17.40 18.29 19.14 19.96, 20,72 21.48 22.22 22.92 23.60 24.27 24.94
·· 9fi u:76 .. 13.28 14.56 15.70 16.77 11.11 18.62 19.48 20.30 21.08 21.85 '22.58 23.30 23.99 24.66 25.33 9.97 12.00 13.53 14.83 15.99 17.07 18.01 18.94 19.81 20.64 21.43' 22.20 22.95: 23.66 24.37 25.04 25.72
10.17 12.23 13.78 15.10 16.27 17.36' 18.32 19.25 20.14 20.97 21.78. 22.55 23.30 24.05 24.73 25.43 26.11 10.37 12.45 14.04 15.37 16.55 17.67 18.63 19.57 20.47 21.31 22.13 22.91 23.67 24.41 25.12 25.81 26.50 10.57 12.68_ 14,29. 15..63, 16,83 17,95_ )8.92 19.88 20.80 .21.64 22.46 ,23.26 .24.02_ 24.77 25.49 26.19 26.89 io.ii 12.u1 14.54 15.90 11.11 18.21 19.24 2o.19 21.o9 · 21.97 22.81 23.60 24.38 25.12 25.86 26.56 · 21.21 10.97 13.14 14.78 16.15 17.39 18.50 19.53 20.50 21.41 22.30 23.14 23.95 24.73 25.49 26.22 26.94 27.65 11.17 13.36 15,03 16.42 '17.66 18.79 19.83 20.81 '21.73 22.62 23.47 24.29 25.08 25.86 26.59 27.31 28.02 11.36 13.59 :15.27 16.68 '17.93 19.07 20.13 21.12 22.05 22.95 23.80 24.63 25.42 26.22 26.95 27.68 28.39 1H.6. 13.81 15:51 J6.94 .. 18.2o 19.36 2Q,42 2t.42. 22.37 .23.21 24.13 24.97. 25.77 26.54 27,31 28,Q4 28.79 11.75 14.03 15.75 17.20 18.48 19.64 20.71 21.72 22.68 23.59 '24.46 25.30 26.12 26.89 27.67 28.41 29.14
lkf~ lt~? :~:~~ gJ~ : :~:bi i6:~~ ~::~5 ~~:g~ ~~:g~ · ~gi ~m ~~:~~ ~~:~g m~ ~~:~~ ~m ~~:~i 12.33 14.69 16.47 17.96 19.28 2Q.48 21.58 22.62 '23.62 24.54 25.44 26.30: 27.13 27.94 28.72 29.48 30.23 12.53 14,91 16.71 18,2]19.54 : 20.75 .21.87. 22.92 '23,90. :)4,85 '25.76 26.63 ' 27.47 28.28 29.07 29.84 3Q.59 't2.72 15.13 16.94 18.46 19.81 21.03 22.16 23.21 24.20 25.17 26.08 26.95 27.80 28.62 29.42 30.19 30.95 12.91 15.35 17.18 18.71 20.07 21.30 22.44 23.51 24.51: 25.47 26.40 27.28 28.13 28.95 29.76 30.54 31.31 13.10 15.56 17.41 18.96 20.34 21.57' 22.72 23.80 24.81 25.78 26.71 27.60' 28.46 29.28 30.11 '30.89 31.67 13.30 15.78 17.64 19.21 20.59 21.85 23.01 24.09 25.11 26.09 27.03 27.92 \ 28.79 29.63 30.45 '31.24 32.02 13.48 15.99 17.88 19.46 : ... 20.85. 22.12 23.29 24.38 . 25.42 26.40 27.34 28.24' 29J.2 29.96 30.79 31.58 ·. 3.2.37
19.70 21.02 22.39 23.56 24.67 25.71 26.70 27.65 28.56 29.44 30.30 31.13 31.93 19.95 21.37 22.65 23.84 24.95 26.01 27.00 27.96 28.88 29.77 30.63 31.46 32.27 20.19 21.63 22.92 24.12 25.24 26.31 27.31 28.27 29.20 30.09 30.94 31.79 32.61 20.44 21.88 23.19. 24.39 25.52 26.58 27.61 28.58 29.51 30,42 31.27 32.13 32.95 20.68 22.13 .23.45. 24,6.7 .25_.81 26.88 .27,90 28.89 29.82 30.73 31.62. 32.46 33.29 20.92 22.39 23.72 24.94 26.09 27.17 28.20 '29.19 30.14 31.05 31.93' 32.79 33.62 21.16 22.64 23.98 25.22 26.37 27.46 28.50 29.49 30.45 31.37 32.26 \ 33.12 33.96 21.40 22.89 24.24 25.49 26.65 27.75 28.80 29.80 30.76 31.68 32.58 33.45 34.29 21.64 23.14 24.50 25.77 26.93 28.04 29.09 30.10 31.06 31.99 32.91 33.77 34.62 21.88 23.39 24.76 26.03 27.21 28.33 29.38 30.40 31.37 32,31 33.23. 34.10 '34.95 22.12 23.64 25.02 26.29 27.49 28.61 29.68 30.70 31.68 32.62 33.55 34.42 35.28 22.35 23.89 25.28 26.56 27.76 28.90 29.97 30.99 31.98 32.93' 33.87 34.75 35.61 22.59 24.14 25.54 26.83 28.04 29.17 30.26 31.29 32.28 33.24 34.18 35.07 35.94 22.82 24.38 25.80 27.10 28.31 29.45 30.5S 31.59 32.59 33.55 34.48' 35.38 36.26 23.06 2_4.63 26.05 27.36 28.62 2,9,73 30.83 31.88 32.89 33.86 34,80. 35.71 36,59 23.29 24.87 26.31 27.62 28.86 30.02 31.12 32.18 33.19 34.16. 35.11 36.02 36.91 23.53 25.12 26.56 27.89 29.13 30.30 3!A1 32.33 33.49 34.47 35.42 36.34 37.23 23.76 25.36 26.81 28.15 29.40 30.58 31.69 32.76 33.79 34.77 35.72 36.65 37.55 23.99 25.61 27.07 28.41 29.67 30.86 31.98 33.05 34.08 35.08 36.04 36.97 37.87 24.22 25.85 27.32 28.68 29.94 31.33 32.26 33.34 34.38 .35.38 ' 36.35 37.28 38.19 24.45 26.09 27.57 28.94 30.20 31.41 32.54 33.63 34.67 35.68 36.65 37.75 38.51 24.68 26.34 27.82 29.19 30.47 31.67 32.82 33.92 34.97 35.98 36.96 37.90 38.82 24.91 26.57 28.07 29.45 30.74 31.95 33.10 34.20 35.26 36.28 37.26 38.21 39.14 25.14 26.81 28.32 29.71 31.00 32.22 33.38 34.49 35.55 36.58 37.57 38.52 39.45 25.37 .27.05 28.57 29,98 31.27 32.50 33.66. 34.78 35.8,'; 36.87 37.87 38.83 39.77 25.8 27.4 29.0 30.4 31.5 32.9 34.0 35.1 36.2 37.2 38.3 39.1 40.1 26.0 27.7 29.2 30.6 31.8 33.1 34.2 35.5 36.5 37.5 38.5 39.4 40.4 26.2 27.9 29.4 30.9 32.0 33.4 34.6 35.7 36.8 37.8 39.0 39.7 40.8 26.3 28.0 29.7 31.0 32.1 33.6 34.9 36.0 37.0 38.0 39.2 40.0 41.0 26.5 28.2 30.0 31.2 32.3 33.9 35.1 36.2 37.3 38.3 39.5 40.2 . 41.3 26.8 28.5 30.1 31.7 32.7 34.1 35.4 36.5 37.6 38.6 39.8 40.5 41.7 27.0 28.8 30.3 31.9 33.0 34.4 35.8 36.9 38.0 39.0 40.1 40.9 42.0 27.2 29.0 30.6 32.1 33.1 34.6 36.0 37.0 38.1 39.2 40.3 41.2 42.3 27.3 29.2 30.9 32.3 33.4 34.9 36.2 37.3 38.5 39.5 40.7 41.5 42.6 27.6 29.4 31.0 32.6 33.7 35.1 36.5 37.4 38.8 39.8 41.0 41.8 42.9
32.72 33.07 33.41 33.76 34.10 34.44 34.78 35.12 35.46 35.79 36.13 36.46 36.79 37.12 37.45 37.81 38.10 38.43 38.76 39.08
13.66 16.21 13.85 16.42 14.04 16.63 14.22 16.84 14.41 17.05 14.60 17.26 14.78 17.47 14.96 17.68 15.15' 17.89 15.33 18.10 15.51 15.70 15.88 16.06 1~.24
16.42 16.60 16.78 16.96 17.14 17.32 17.50 17.67 17.85 18.3§ 18.5 18.7 18.9 19.0 19.L 19.2 19.3 19.5 19.7 19./l.
18.30 18.51 18.72 18.92 19.13 19.33 19.53 19.79 19.94 20.14 20.34 20.54 20.74 20.94 21.44 21.7 21.9 22.0 22.1 22.2 22.4 22.7 22.9 23.0 23.1 23.4 23.6 23.8 24.0 24.1 24.2 24.4 24.6 24.8 25.0
18.11 18.34 18.57 18.80 19.03 19.26 19.48 19.71 19.93 20.16 20.38 20.61 20.83 21.05 21.27 21.49 21.71 21.93 22.15 22.37 22.59 22.80 23.02 23.24 23.40 23.9 24.2 24.3 24.5 24.7 24.9 25.0 25.2 25.5 25.7 25.9 26.0 26.2 26.4 26.7 26.9 27.0 27.2 27.4 27.6
27.9 29.7 31.3 32.9 34.0 35.4 36.8 37.9 39.0 40.0 42.1 43.1 28.0 29.9 31.5 33.1 34.2 35.6 37.0 38.1 39.2 40.3 42.4 43.4 28.2 30.1 31.8 33.3 34.4 36.0 37.2 38.3 39.6 40.7 42.8 43.8 28.4 30.3 32.0 33.7' 34.8 36.2 37.5 38.7 39.9 41.0 43.0 44.0 28.6 30.5 32.2 33.9 35.0 36.4 37.9 39.0 40.1 41.2 43.2 44.2 28.9 34.0 35.2 36.7 38.0 39.2 29.1 34.2 35.5 37.0 38.2 39.5 29.3 34.6 35.7 37.2 38.5 39.9 29.5 34.8 36.0 37.4 38.9 40.1 29.7 35.0 36.2 37.6 39.1 40.3
39.40 39.72 40.04 40.36 40.68 41.0 41.4 41.7 42.0 42.2 42.5 42.9 43.2 43.5 43.8
18.00 18.35 19.00 18.99 19.23 20.00 19.43 20.24 20.49 21.00 19.96 20.45 20.99 21.32 22.00 20.38 20.90 21.46 22.05 22.73 23.00 20.86 21.48 21.94 22.40 22.96 23.53 24.00 21.30 21.86 22.41 . 22.99 23.53 23.98 24.63 21.77 22.34 ' 22.87 23.42 23.92 24.55 25.06 22.19 22.76 23.33 23.86 24.45 24.94 25.47 22.62 23.20 23.77 24.33 24.86 25.47 25.91 23.07 23.66 24.22 24.78 25.35 25.87 26.47 23.48 24.08 24.66 25.21 25.77. 26,38 26.89 23.92 24.50 25.10 25.69 26.55 26.89 27.32 24.33 24.94 25.53 26.11 26.67 27.27 27.83
~m ~g~ ~~:~z ~~:g~ , ~w m~ ~m 25.58 26.19 26.95 27.40 .. 28.00 28.57 29J8 25.97 26.62 27.28 27.84 28.44 29.02 29.59 30.17 26.36 27.01 27.64 28.25 28.85 29.44 30.02 30.61 26.77 27.41 28.06 28.65 29.28 29.88 30.48 31.05 27.16 27.80 28.48 29.08 29.68\ 30.29 30.90 31.48 .27.56 28.21 28.86 29.48 30.12 30.72 31.31 31,91 27.94 is.6o 29.26 · 29.90 30.51 31.13 31.76 32.34 28.33 '28.99 29.65 30.30 30.93 31.56 32.17 32.77 28.71 29.38 30.05 30.69 31.33 31.95 32.58 33.19 29.16 29.77 30.44 31.10 31.74 32.37 33.00 33.61 29.4L 30.16 30.83 3),4832.15_ 3.V7 33.41 34.03. 29.84 30.54 31.22 31.90 32.54 33.18 33.81 34.44 30.21 ' 30.91 i 31.60 32.27 32.94 33.59 34.23 34.85 30.60 '31.16 31.98 32.66 33.32 33.98 34.63 35.26
~Y:~~ '· ~kz~ ~~:~~ ~t~~ ~m ~m ~t~~ ~tz~ 31.69 32.41 33.12 33.80 34.50 35.17 35.82 36.47 32.05 32.78 33.49 34.19 34.87 35.55 36.21 36.87 32.41 33J5 33.86 34.56 35.26 35.95 36.61 37.26 32.77 33.51 34.23 34.95 35.63 36.32 37.00 37.66 33.12 33.87. 34.60 35.31 36.01 .36.71. 37.37 38.05 33.48 34.23 34.97 35.68 36.39 37.08 37.78 38.44 33.84 34.59 35.33 36.06 36.76 37.47 38.15 38.83 34.19 34.94 35.69 36.42 37.14 37.83 38.53 39.21 34.54 35.30 36.05 36.78 37.51 38.22 38.91 39.59 3M8 35.65 .36.41 37.15 37.88 38 .. 58 39.29. 39,98 35.23 36.00 : 36.77 37.5i 38.24 38.96 ' 39.66 40.36 35.58 36.36 37J2 37.88 38.61 39.32 40.04 40.74 35.92 36.71 37.48 38.23 38.97 39.70 40.41 41.11 36.26 37.06 37.83 38.58 39.33 40.05 40.77 41.49 36 . .6Q ·. 37.40 38.18 38.94 39.69 4o.43 \ 41..16 41.86 36.94 37.74 38.53 39.29 40.05 40.79 41.52 42.23 37.29 38.09 38.88 39.66 40.41 41.15 41.90 . 42.60 37.61 38.43 39.22 40.00 40.76 41.57 42.25 . 42.97 37.95 38.77 39.57 40.35 41.12 41.87 42.62 43.34 38,29 '. 39,11 .3.9.91 40.70 41.47 . 42,23 42.96 43.71 38.62 39.44 40.26 41.04 41.82 42.58 43.34 44.07 38.95 39.79 40.60 41.39 42.17 \ 42.94 43.69 44.42 39.28 40.12 40.94 41.74 42.52 . 43.29 44.04 44.79 39.61 40.45 41.27 42.08 42.87 43.65 44.41 45.15 39.94 40.79 41.61 42.42 43.22 44.00 44.76 45.51 40.27 41.12 41.95 42.76 43.55 44.35 45.11 4S.87 40.59 41.44 42.28 43.10 43.90 44.69 45.47 46.23 40.92 41.78 42.62 43.44 44.25 45.04 45.81 46.58 41.24 42.11 42.95 43.78 44.58 45.38 46.16 46.93 41.57 42.43 43.28 4.4.II 44,93 45.73. 46.52. 47,28 42.0 42.7 44.3 45.3 46.0 47.0 47.6 42.3 43.0 44.8 45.7 46.4 47.2 48.0 42.6 43.3 45.0 46.0 46.8 47.6 48.3 43.0 43.5 45.3 46.3 47.1 48.0 48.6 43.1 44 .. 0 45.7. 46,7 47.4 48.2 49.0 43.5 44.3 46.0 47.0 47.8 48.6 49.3 43.9 44.6 46.3 47.3 48.0 49.0 49.7 44.2 45.0 46.6 47.6 48.3 49.3 50.0 44.5 45.2 47.0 48.0 48.8 49.6 50.3 44.9 45.5 47.3 48.2 49.1 5Q.O 5.0.7
47.7 48.6 49.4 50.3 51.0 48.0 49.0 49.8 5.0.7 51.3 48.3 49.3 50.1 51.0 51.8 48.6 49.6 50.5 51.3 52.0 49.0 50.0 50.9 51.7 52.4
TABLE 5
26.00 26.46 27.00 26.88 27.55 28.00 27.55 28.01 28.49 29.00 27.97 28.49. 29.15 29.50 30.00
28.46 28.99 29.50 29:94 30.49 31.00 28.87 29.45 29.96 30.61 30.96 31.75 32.00 29.39 29.94 30.38 30.96 31.48 32.00 32.68 33.00 29.80 30.40 30.94 31.51 31.97 32.43 32.89 33.44 34.00 30,29 30.85. 3L38 . 31.90 32.43 .33.03, 33.41 33.78 ·. 34.48 35.oo ..
30.70 3L30 3L81 32.42 32.91 33.49 33.96 34.44 34.90 35.46 36.00 31.18 3L77 32.33 32.83 33.38 33.84 34.48 35.03 35.54 36.04 36.50 37.00 31.65 32.21 32.75 33.33 33.84 34.36 34.82 35.34 :35.87 36.36 36.97 37.55 38.00 32.06 32.66 33.18 33.74 34.30 34.86 35.35 35.89 36.44 37.04 37.59 38.03 38.49 39.00 32.52, 33.10 33.61 34,23 34.76 .35.35 35.86. 36.42 37.01 37.43 38.00 38.51 38.98 39.58 40.00
32.93 33.49 34.10 34.64 35.21 35.74 36.33 i!6.92 37.37 38.00 38.43' 38.99 39.42 40.02 40.49 41.00 33.38 33.88 34.53 35.12 35.66 36.21 36.72 37.28 37.91 38.40 38.86 39.49 39.87 40.43 40.98 4L5 42.00 33.78 34.36 34.95 35.53 36.11 36.69 37.20 37.78 38.36 38.95 39.48 39.97 40.32 40.82 41.44 42.0 42.6 34.23 34.79 35.42 36.00 36.55 37.14 37.68 38.26 38.80 . 39.35 39.92 40.44 40.90 41.43 41.97 42.5 43.0
34.63 . ~5.23 .35.84 3,6..40 3,6,99 37 .• 5.3. 38,23 38,§6 39.20 .3.9 . .76 40,~4 .10 .. 92 41,44 .41..90 • 42.4.4. 4.3.0 43.5 45,00.
35.03 35.65 36.25 36.86 37.43 38.00 38.55 39.13 39.71 40.29 •40.77 41.38 41.85 42.43 42.92 43.4 44.0 45.0 45.4 46.00
35.49 3.6.11 36.67 37.27 37.87 38.45 39.00 39.60 40.19 40.69 41.20 4L84 42.32 42.90 43.40 44.0 44.4 45.5 46.0 46.5 47.00
35.89 36.49 37.12 37.71 38.30 38.90 39.46 40.00 40.58 41.20 4L74 42.29 42.83 43.31 43.88 44.2 44.9 46.0 46.5 46.9 47.6 48.00 36.28 36.91 37.53 38.12 38.73 39.30 39.91 40.47 41.08 41.60 42.17 42.77 43.34 43.88 44.36 44.8 45.2 46.4 47.0 47.5 48.0 48.5 49.00
36.75 .. 37.32 .37,93 38.56 .39.15 39.74 40.30 40,92 4L45 42.Q2. 42,§0 .43.2.2 43..?7 44.28 44.82 45.1 4§.6 ..46.9 .. .4U~~ .. 4M .. . 4.M. 49.0 .49.5 50.00
37.10 37.73 38.37 38.96 39.58 40.18 40.76 '4L37 4L92 42.51 43.03 43.67 44.19 44.69 45.27 45.6 46.1 47.4 . 48.0 . " 48.~ 49.0 • 49.5 50.1 50.6
37.51 38.t4 38.77 39.39 40.00 40.62 41.19 41.82 42.39 42.92 43.55 44.12 44.69 45.22 45.73 46.0 46.7 47.9 48.4 49.0 49.4 50.0 50.5 51.0
37.93 38.55 39.17 39.79 40.41 41.01 41.63 42.22 42.78 43.40 43.97 44.56 45.06 45.63 46.20 46.4 47.0 48.3 48.9 49.4 49.9 5.0.4 51.0 51.5
38.31 38.96 39.57 40.21 40.83 41.44 42.02 42.66 43.25 43.80 44.39 45.01 45.53 46.05 46.65 47.0 47.6 48.8 49.3 50.0 50.5 50.9 51.4 52.0
38.82 3.9.35 40.01 40.61 41,25' 41.87. 42.46 4.3.05 43.64. 44,28 44.81 45.44 46.01 46.57 47.10 47.5 48 •. 1. 49,1 49.9 5o,a 5(),9 51.4 .5l.Jl .52.4 ...
39.10 39.75 40.40 41.03 41.65 42.46 42.89 43.49 44.09 44.68 45.24 45.82 46..42 46.99 47.55 48.0 48.6 49.1 49.6 50.3 50.9 51.4 51.9 52.4 53.0
39.50 40.15 40.79 41.42 42.06 42.67 43.31 43.92 44.54 45.08 45.72 46.24 46.86 47.39 48.00 48.3 49.0 49.6 . 50.0 50.9 51.2 51.8 52.4 52.9 53.4
39.88 40.54 41.21 41.84 42.48 43.10 43.70 . 44.31 44.94 45.54 i46.14 46.69 47.31 47.88 48.44 i48.8 49.5 50.0 50.5 51.2 51.8 52.3 52.8 53.3 53.9
40.27 40.94 41.59 42.27 ·42.88 43.51 44:11 44.74 45.37 45.95 46.55 47.12 47.70 48.30 48.88 •49.2 49.9 50.5 51.0 51.7 52.3 52.8 53.2 53.8 54.3
40.66. 41.33. 41.98 42.64 .43.28 43.93 4.4.54 45,17 45.76 .46.40 '46.97 4.7.5.6 .. 4~..16 48,78 • 49.32 .4.9.6. 50.3 51,0 !i1.5., .52.0 52,7 .li~-~ ·li3.7 ... 54.1 ,.·.5.4.9 ..
41.05 41.72 42.37 43..05 43.69 44.31 44.96 45.60 46.20 46.80 47.43 47.98 48.62 ; 49.18 . 49.76 50.0 50.9 51.6 52.0 52.7 53.2 . 53.8 54.1 54.7 . 55.3
41.42 42.11 42.78 43.43 44.08 44.73 45.34 45.97 46.59 47.24 47.84 48.41 i49.00 49.60 50.19 50.5 51.2 51.9 52.4 53.0 53.7 54.1 54.7 55.1 55.8
41.81 42.50 43.16 43.84 44.48 45.13 45.76 46.40 47.02 47.64 48.25 48.84 49.45 50.07 50.63 51.0 5!.7 52.5 52.9 53.5 54.0 54.8 55.1 . 55.6 56.2
42.19 42.88 43.54 44.21 44.88 45.51 46.17 46.81 47.44 48.04 48.65 49.26 49.89 50.47 51.06 51.3 52.1 52.9 53.3 54.0 54.5 55.0 55.5 56.0 56.7
42.56 43,26 43.94 44.42 45.27 45.91. 46.58 47.20 47.83 48.47 49.07 4.9.68 50.27 .50 .. 94. ,51.49 ,5,1.9 (,2.~. ;!i3~~ . §3,9. .54.4.~ ,55,0 5(i.p 56.() .•1!.9.5 .. 5.7.0
42.95 43.64 44.32 44.99 45.66 46.32 46.95 47.61 48.25 48.86 49.50 . 50.10 50.71 51.34 :51.92 52.4 53.0 53.8 54.3 54.9 55.5 56.0 56.5 57.0 57.6
43.31 4t.02 44.69 45.39 46.05 46.72 47.35 48.02 48.64 49.29 49.91 50.51 :51.15 51.75 52.35 52.8 53.4 54.0 54.8 55.2 55.9 56.5 57.0 57.6 58.0
43.69 44.38 45.07 45.76 46.43 47.09 47.76 48.40 49.05 49.68 60.31 50.93 51.58 52.14 52.77 53.2 53.9 54.6 55.1 55.7 56.4 56.9 57.5 58.0 58.5
44.05 44.76 45.46 46.15 46.82 47.49 48.16 48.81 49.47 50.11 50.71 51.3.4 51.96 52.59 53.19 . 53.6 54.3 55.0 55.5 56.0 56.8 57.3 58.0 58.5 59.0
44.4.3 45.13 .45.84 46.52 '47.21 47 .. 88 48 .. !i3 . . 4~ .. 21 49,~4 59,50 51.15 §1,75 52.38 52.99 ;53,61 54.0 .54-7. .55.5 56,P 56 .. 5 57.1 57 •. 8 .: .. 58,3... .58.ll ... 59.4.
44.79 45.50 46.21 46.91 47.59 48.27 48.93 49.58 50.26 50.92 51.55 52.16 52.82 53.39 .54.03 54.6 55.1 55.9 56.4 57.0 57.6 . 58.2 58.8 59.3 60.0
45.15 45.87 46.60 .47.28 47.97 48.64 49.33 50.00 60.63 51.36 51.94 52.57 53.19 53.83 54,44 54.9 55.5 56.2 56.9 57.4 58.0 58.8 59.2 59.8 60.3
45.54 46.25 46.96 :47.67 48.35 49.03 49.72 60.38 51.04 51.68 52.37 52.98 53.62 54.23 54.85 55.2 56.0 56.7 57.2 57.9 58.5 59.0 59.6 60.1 60.8
45.89 46.63 47.33 48.03 48.74 49.43 50.09 50.78 51.45 52.10 ,52.73 53.38 54.03 51.66 55.27 55.8 56.4 57.0 57.7 58.2 59.0 59.5 60.1 60.6 61.2
46.24. 46.98 47.~0 48,41. .4.9.ll 49.81 50.48 5.1.15 51.8.2. 52,48 :!i3.!.5 !i3 .. 79 54,41 §5.05 :55.68 56.1 .56.9. 57,5 58,! 58,8 .. 59.4 60,() ,.J!O.lL 61.,0. 6~,8.
46.62 47.34 48.08 48.78 49.49 50.17 50.87 51.55 52.22 52.89 53.53 54.20 54.83 ,55.45 56.08 :56.6 57.2 58.0 58.5 59.1 59.9 60.4 61.0 61.5 62.0
46.97 47.71 48.44 49.16 :49.86 50.56 51.25 51.94 52.59 53.27 53.93 54.58 55.24 55.88 56.50 57.0 57.6 58.2 58.9 59.6 60.2 60.8 61.4 61.9 62.5
47.33 48.07 48.80 49.52 50.24 50.94 51.62 52.30 53.00 53.67 54.31 54.98 55.61 56.27 56.90 57.3 58.0 58.6 59.2 60.0 60.7 61.3 61.9 62.3 63.0
47.70 48.44 49.18 49.90 50.60 51.32 52.00 52.69 53.36 54.05 54.73 55.37 56.02 . 56.69 57.31 57.9 58.3 59.0 59.8 60.4 61.1 61.7 62.2 62.7 63.5
48.05 .48 .. 79 49.53 5Q.26 5(),98 51.68 52,38 53,08 53 . .7.6 54.4.3 55.11 55.77, 56.43 .57 .. 08 57.71 58,2 §8,9. §9,,5 60.1 .. 6(),9 61,6 62.1 62 •. 7 63.1 64.0
48.4 49.0 49.9 50.5 51.3 51.9 52.6 53.4 54.1 55.0 55.4 56.0 56.6 57.2 '58:o 58.6 59.1 59.9 60.5 61.2 62.0 62.5 63.1 63.5 ; 64.3
48.8 49.5 60.2 50.9 51.8 52.3 53.0 53.8 54.5 55.3 55.9 56.4 57.0 57.7 58.3 59.0 59.6 60.2 61.0 61.7 62.5 63.0 63.5 64.0 64.8
49.1 49.8 50.6 51.3 52.0 52.8 53.4 54.1 55.0 56.8 56.3 56.9 57.5 58.0 58.8 59.4 60.0 60.8 61.5 . 62.0 62.9 63.4 64.0 64.5 65.1
49.5 50.0 51.0 51.5 52.4 53.1 53.8 54.5 55.2 56.0 56.5 57.2 57.9 58.5 59.1 59.9 60.3 61.1 61.9 62.5 63.3 63.9 64.5 65.0 65.6
49.9 5o:4 51.3 51.9 52.8 53,4 54.1 54.9 55.6 56,5 57.0 57.6 .. •58.2. 58.8 59.5 60.1 •.60,,9 61,6 .~2,1. 63.0 .63.7 .. §4 .. 2 6M 65.5 ~6,9
50.1 50.8 51.6 52.3 53.0 53.8 54.5 55.3 56.0 56.9 57.3 58.0 58.6 59.2 . 60.0 60.6 61.1 61.9 62.5 63.3 64.1 64.7 65.3 65.9 66.5
50.5 51.2 52.0 52.6 53.4 54.1 54.9 55.6 56.3 57.2 57.8 58.3 59.0 59.7 60.3 61.0 61.5 62.3 63.0 63.9 64.6 65.0 65.8 66.4 67.0
50.9 51.5 52.3 53.0 53.9 54.5 55.2 56.0 56.8 57.6 58.2 58.8 59.4 60.0 60.8 61.5 62.0 62.7 63.3 64.2 65.0 65.5 66.2 66.8 67.4
51.2 51.9 52.7 53.3 54.2 54.9 55.6 56.3 57.1 57.9 58.5 59.1 59.9 60.4 61.1 61.9 62.5 63.1 63.8 64.6 65.3 65.9 66.8 67.3 67.9
,;1.5 52.3 . 53.0 !i3.6 54.5 55.2. 56.0 56.7 57.5 58.2 58.8 59,5 60.2 60.8 61.6 62.3 : 62 .. 9 ... §3,6 . ~.4.~ 65,0 .65.7 ~66,4 . . 6~.0 6.7 .. 8. ,68,3
52.0 52.6 53.3 54.0 55.0 55.6 56.3 57.1 57.9 59.3 59.9 60.6 61.2 62.0 62.8 63.2 64.0 64.7 66.8 67.4 68.1 68.7
52.2 53.0 53.8 ·54.3 55.2 56.0 56.7 57.5 58.2 59.7 60.3 61.0 61.6 62.3 63.1 63.7 64.4 65.0 67.2 57.8 68.5 69.0
52.6 53.3 54.1 54.6 55.6 56.4 57.0 57.8 58.5 60.0 60.7 61.4 62.0 62.8 63.7 64.0 64.9 65.4 67.5 68.3 69.0 69.5
53.0 53.6 54.4 55.1 56.0 56.8 57.4 58.2 59.0 60.4 61.1 61.9 62.4 63.1 64.0 64.5 65.2 65.9 68.0 68.8 69.5 70.0
53.2 54.0 54.9 .55..4 §6.3 57.0 57,.9 58.6 59.3 60.9 61.6 62,2 62 •. 8 .. 63.5 64 . .3. .64.9 .65.6. 66.3 68.3 69.,1 69.9 7D.4
53.7 54.4 55.1 55.9 56.8 57.4 59.7 61.2 62.0 62.6 63.2 64.8 65.3 66.0 66.7 68.8 69.6 70.3 70.9
54.0 54.8 55.5 56.2 57.0 57.9 60.0 61.7 62.3 63.0 63.6 65.1 65.7 66.5 67.1 69.1 70.0 70.7 71.3
54.3 55.0 55.9 56.4 57.4 58.2 60.3 62.0 62.8 63.4 64.0 65.6 66.2 66.9 67.5 69.7 70.5 71.7
54.7 55.4 56.2 56.9 57.8 58.6 60.8 62.3 63.1 63.9 64.3 66.0 66.5 67.3 68.0 70.0 70.9
55.0 55.9 56.5 57.2 58.0 58.9 61.1 62.6 63.5 64.2 64.8 66.3 66.9 67.5 68.3 70.3 71.2
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To determine the motor horsepower required to operate a unit proceed as follows:
SPECIFIED (or previously determined):
AC216 Seasonmcster 7200 CFM
Model 84 Direct Expansion Coil (wet).
Combination Mixing Box end Flat Filter Section with Cleona ble Filters. Y2" External Static
PROCEDURE:
A. Since the air friction of all unit components is expressed using the coil face velocity as a base it is first necessary to calculate this value.
Coil Face Velocity CFM
Coil Face Area
7200 13.1 sq. ft.
550 FPM
B. Referring to Table 7 below the following air frictions for unit components are found:
Model 84 Direct Expansion Coil (wet) ...••. 300 x 1.35 = .405 Model 72 Steam Coil.... • • • • • • • . . • • • • . . . . • . • . . . . • • . 1 32 Flat Filter Section with Cleanable Filters............... .260
Mixing Box •..•.••••••••••••••••.•••..•.•.••••••• .060
Unit Friction = .857" water
C. Total Static Pressure= Unit Friction + External Static
=.857 + .500 = 1.357" water Hence, total static fells between 1\4" end 1 %" water.
D. Now, referring to the Fan Performance Tables on Pages 12 and 13, it is found that an AC216 Seasonmaster handling 7205 CFM requires
2.62 BHP against 1\4" water total static 2. 83 BHP against 1 %" water total static
thus, a 3 H.P. motor is required for this application.
E. If it is desired to determine the exact BHP and fan RPM it would be necessary to interpolate.
Table 7-AIR FRICTION DATA (INCHES WATER)
COIL FACE VELOCITY (FT. PER MIN.) COMPONENTS
400 425' 450 475 500 525 550 575 600
MODEL 21 .025 ,028 .030 ,033 ,036 .039 .042 .045 .050 MODEL 41 .034 ,038 .042 .046 ,049 .054 ,058 .062 .067 MODEL 71 .044 ,048 .054 .059 .065 .070 ,076 .083 .088 MODEL 81 .051 ,055 .061 .067 ,074 .080 .087 ,094 .101 MODEL 91 .059 ,063 ,070 .077 ,086 .092 ,101 .109 .118
DRY MODEL 72 ,076 .084 .092 .102 '112 ,121 .132 '143 .153 MODEL 82 .087 .097 .107 .116 '128 ,140 .152 '163 .175
COILS* MODEL 92 .102 .112 '123 .136 .149 '162 .174 .188 ,204
, MODEL 83 .131 .146 .161 .177 .192 ,209 .227 .245 .262 'MODEL 84 .173 .192 ,211 .232 .254 .276 .300 .325 .350
MODEL 85 .216 .239 .264 .290 .317 .343 ,374 .400 .432 MODEL 86 .259 ,288 .318 ,348 ,380 .411 .445 .480 ,520
MODEL 87 .302 .340 .374 .407 .443 .484 .525 .570 .607 MODEL 88 .345 .383 .420 .460 ,506 .548 ,592 .638 .686 MODEL 89 .388 .428 .473 .516 .569 .612 .663 .718 .770 MODEL 810 .431 .480 .529 .580 ,632 .687 .744 .802 .863
----~ ----~ ----------------~--F FLAT TYPE THROWAWAY .160 .180 .190 ,210 ,230 ,250 .270 .290 .310
CLEANABLE .100 .110 .120 .130 .150 '160 .170 ,190 .200 I (ONE FAN UNITS) CLEANABLE (HIGH VELOCITY) .060 ,070 .080 .090 .090 .100 .110 '120 .130 L ---------~ -~-------
T FLAT TYPE THROWAWAY .230 .250 ,270 .300 .330 ,350 .380 .410 .440 CLEANABLE .150 .160 .180 ,200 .220 ,240 ,260 .280 .300
E (MULTI-FAN UNITS) CLEANABLE (HIGH VELOCITY) .090 .100 .110 .120 .140 .150 .160 .180 .190
R ------------~-- ---------------"V" TYPE THROWAWAY .140 .150 .170 .180 .200 .210 ,230 .250 .270
s (MULTI-FAN UNITS) CLEANABLE .080 .090 .100 '110 ,120 .130 .140 .160 .170 -~--~ --~--
ACCESSORIES FACE AND BY-PASS DAMPERS .030 ,035 ,040 .045 ,050 .055 .060 .065 .070 MIXING BOX .030 ,035 .040 ,045 ,050 .055 .060 ,065 ,070
*For wet coils multiply dry coil friction by 1.35 NOTE: To determine the air friction of combination mixing box and fitter sections add the individual resistances of the filters and the mixing box at the applicable coil face velocity.
HUMIDIFIER CAPACITIES Table 8-STEAM PAN TYPE
Pounds of Water Evaporated per Hour for Average Entering Air Conditions
MODEL NO. I 2 psig STEAM
I 5 psig STEAM 10 psig STEAM 25 psig STEAM
AC108 3.0 7.6 13.7 27.9 AC110 4.5 11.4 20.5 41.9 AC111 5.5 13.8 24.6 50.6 AC210 8.1 20.4 36.7 74.9 AC116 10.3 25.7 46.2 94.3 AC211 10.0 25.1 45.1 92.1 AC213 12.2 30.6 55.0 112.3 AC215 16.0 I 40.1 72.2 147.4 AC216 22.5 56.2 101.2 206.2 AC315 23.5 58.8 105.9 215.9 AC220 31.1 77.7 140.0 285.0 AC223 31.1 77.7
I
140.0 285.0 AC320 37.3 93.2 167.8 342.0 AC323 49.8 124.5 224.0 456.0
Note: Recommended operating steam pressure, 5 to 25 psig.
14
Table 9-SPRAY TYPE Pounds of Water Evaporated per Hour with 70°to 120° D. B. and 40° D.P.Air Across Humidifier
MODEL NO. NO. SPRAYS I LBS./HOUR
AC108 1
I
6.7 AC110 2 13.4 AC111 2 13.4 AC210 3 I 20.1 AC116
I 4 i 26.8
AC211 4 26.8 AC213 5 33.5 AC215 6 40.2 AC216 7 46.9 AC315 9 60.3 AC220 10 67.0 AC223 12 80.4 AC320 15
I 100.5
AC323 16 107.2
Note: The spray type humidifier requires a minimum water pressure of 25 lb./sq. in. and the water temperature should be within 50°f. to 150°F. range. Supply connections are 3fa" MPS and drain connections 3,4" MPS on all units.
Assume that a hot water coil is required for an AC315 Seasonmaster to heat 9600 CFM from 60°F to 120°F with 56 GPM of water entering at 200°F.
A. Air Temp. Rise= Ent. Air Temp.-lvg. Air Temp. = 120°F-60°F=60°F
B. Heating load BTU/HR= CFM x 1.09 x Air Temp. Rise 9600 X 1.09 X 60 = 628,000 BTU/HR
C. Temp. Drop of Water Heating load BTU/HR
GPM X 500 628,000 = 22 .4oF 56x500
D. Average Water Temp.= En!. Water Temp.- Y2 xTemp. Drop of Water
= 200-{Y2 X 22.4)=188.8°F
E. Temp. Difference (TD)= Average Water Temp.-Ent. Air Temp.
= 188.8-60=128.8°F
F. Required Air Temp. Rise;o TD Air Temp. Rise 60
TD 128.8
G. Coil Face Velocity
= 0.467
CFM Coil Face Area (from Page 23)
9600 600 FPM
1 6 sq. ft.
H. Assume a W82 (two row) water coil is required GPM 56
GPM/Feed =*No. of Feeds =u; = 3.5
*From Table in Fig. 6 below.
I. From Fig. 6 below, it is found that a W82 water coil, at a coil velocity of 600 FPM and a GPM/Feed of 3.5 will provide the required air temp. rise/ 0 TD (.475 vs .. 467 required). Therefore, a W82 coil is selected.
J. To determine the water pressure drop in ft. of water use Fig. 4. Multiply the value read directly from the curve by the proper conversion factor from the inset table. In this case the water pressure drop equals 2.35x 1.209 = 2. 84 ft. of water.
0.46
0.44
0.16
0.14
0.12
FIG. 5-WSl WATER COIL MODEL
NO.
AP08 ACllO AC111 AC210 AC116 AC211 AC213 AC215 AC216 AC315 AC220 AC223 AC320 AC323
300 400 500 600 700 800 900 1000 COIL FACE VELOCITY-FT. PER MIN. (STD. AIR)
NO. OF FEEDS
FIG. 4-WATER FLOW PRESSURE DROP
""
10.0 9.0
8.0
7.0
6.0
5.0
4.0
~ 3.0 < 3= ~ ... .!.. 2.0 0
"" 0 ... "" :;) VI VI ... ~ 1.0
3= 0.9
~ 0.8 ... ""0.7 ... < 0.6 3=
0.5
0.4
0.3
0.2 1 2 3
GPM PER
FIG. 6-W82 WATER COIL
0.28 200
4 FEED
MODEL ~0.
AC108 AC110 AC111 AC210 AC116 AC211 AC213 AC215 AC216 AC315 AC220 AC223 AC320 AC323
5 6
MODEL NO.
AC108 ACllO AC111 AC210 AC116 AC211 AC213 AC215 AC216 AC315 AC220 AC223 AC320 AC323
CORR. FACTOR
7
.587
.620
.668
.805
.725
.894
.900
.958 1.000 1.209 1.222 1.222 1.400 1.472
8 9 10
NO. OF FEEDS
8 10 12 10 18 12 14 16 18 16 18 24 22 26
1 "
Steam coil selection consists of determining the "coil model" which will adequately provide the heating capacity required and the "coil type" best suited for the application. For example, assume that a steam coil is required for an AC215 Seasonmaster to meet the following specifications:
Air Volume (Std. Air)
Steam Pressure . . .
Entering Air Temperature
Leaving Air Temperature
Heating Load. .
Type of Control
6000 CFM
10 PSIG
30° F.
115° F.
555,900 BTU/HR.
Modulated steam valve
1. The "coil model" is determined from the base temperature rise curves on the opposite page. As these curves are plotted in base temperature rises at 5 psig steam and ooF entering air the proper conversion factor must be applied.
A. Req'd. Base Temp. Rise
Req'd. Temp. Rise
Conversion Factor
Req'd. Base Temp. Rise
B. Coil Face Velocity
Coil Face Area
Coil Face Velocity
Req'd. Temp. Rise Conversion Factor
=Lvg. Air Temp. - Ent. Air Temp. =115°F- 30°F = 85°F
=.922 (From table 10 below)
=85oF =92.2oF .922
CFM Coil Face Area
= 10.8 Sq. Ft. (From page 23)
= 6000
= 556 FPM 10.8
C. Now referring to Fig. 7 on the opposite page, it will be found that the inters=ction of the 556 FPM coil face velocity and 92.2°F base temperature rise lines falls between a model 91 and 72; therefore, a model 72 steam coil is selected to provide the required heating capacity.
To determine the actual leaving air temperature and BTU /HR capacity, proceed as follows:
D. Actual Lvg. Air Temp. = Ent. Air Temp. + Actual Temp. Rise
Actual Temp. Rise =Actual Base Temp. Rise x Conversion Factor
Actual Base Temp. Rise =95°F (From intersection of 556 FPM
coil face velocity line and model 72 curve in Fig 7).
Actual Temp. Rise
Actual Lvg. Air Temp.
E. BTU /HR Capacity
=95°F X .922
=30° + 87.6
= CFM x 1. 09 x Actual Temp. Rise =6000 X 1.09 X 87.6 =572,900
2. There are two types of steam coils available.' Type S" coils are of the single tube type and are designed for general purpose heating. "Type J" coils are of the double tube type and are recommended for applications requiring modulated steam control with maximum protection against freeze-up. Inasmuch as the entering air temperature for this application is below 32°F and modulating steam control is to be used, the "Type J" should be selected.
ENT. STEAM PRESSURE-STEAM TEMPERATURE-LATENT HEAT
AIR 0
I 2~8° 1 5
I 10
I 15 I 25 I 35 I so I TEMP. 212° 227° 239° 250° 267° 281° 298°
970 966 961 953 946 934 924 912 -30 I 1.065 I 1.094 I 1.132 I 1.186 I 1.232 I 1.307 I 1.368 I 1.443 -20 I 1.021 I 1.050 I 1.088 I 1.142 I 1.188 I 1.263 I 1.324 I 1.395
10 I .977 I 1.006 I 1.044 I 1.098 I 1.144 I 1.219 I 1.280 I 1.354 0 I .933 I .962 I 1.000 I 1.054 I 1.099 I 1.175 I 1.235 I 1.310
10 I .889 I .918 I .956 I 1.010 I 1.056 I 1.131 I 1.191 I 1.266
20 I .845 I .874 I .912 I .966 I 1.011 I 1.087 I 1.147 I 1.222 30 I .801 I .830 I .868 I .922 I .967 I 1.042 I 1.103 I 1.178 40 I .757 I .786 I .824 I .878 I .923 I .998 I 1.059 I 1.134 50 I .713 I .742 I .780 I .834 I .879 I .954 I 1.015 I 1.090 60 I .669 I .698 I .736 I .790 I .835 I .910 I .971 I 1.046 70 I .625 I .654 I .692 I .746 I .791 I .866 I .927 I 1.002 80 I .581 I .610 I .648 I .702 I .747 I .822 I .883 I .958 90 I .537 I .566 I .604 I .658 I .703 I .772 I .839 I .914
100 I .493 I .522 I .560 I .614 I .659 I .734 I .795 I .870 125 I .383 I .412 I .450 I .504 I .549 I .624 I .685 I .760 150 I .273 I .302 I .340 I .394 I .439 I .514 I .575 I .650
Units are not recommended for use with entering air temperatures below 35°F. unless a minimum steam pressure of 5 psig is maintained on the coil. Refer to other McQuay bulletins for data on systems having sub freezing entering air conditions.
11.
I I I I I I I I I I I I I I I I
75 I 100 I 1251 150 I 175
I 200 I 250 I 300 I 350
320° 338° 353° 366° 377° 388° 406° 422° 436° 895 881 868 857 847 838 820 805 790
1.542 I 1.620 I 1.686 I 1.743 I 1.794 I '1.839 I 1.919 I 1.988 I 2.050
1.498 I 1.576 I 1.642 I 1.699 I 1.750 I 1.795 I 1.875 I 1.944 I 2.006
1.454 I 1.532 I 1.598 I 1.655 I 1.706 I 1.751 I 1.831 I 1.900 I 1.962
1.409 I 1.488 I 1.553 I 1.611 I 1.661 I 1.707 I 1.787 I 1.856 I 1.918
1.365 I 1.444 I 1.509 I 1.567 I 1.617 I 1.663 I 1.743 I 1.812 I 1.874
1.321 I 1.399 I 1.465 I 1.523 I 1.573 I 1.619 I 1.699 I 1.768 I 1.830
1.277 I 1.355 I 1.421 I 1.479 I 1.529 I 1.575 I 1.655 I 1.724 I 1.786
1.233 I 1.311 I 1.377 I 1.435 I 1.485 I 1.531 I 1.611 I 1.680 I 1.742
1.189 I 1.267 I 1.333 I 1.391 I 1.441 I 1.487 I 1.567 I 1.636 I 1.698
1.145 I 1.223 I 1.289 I 1.347 I 1.397 I 1.443 I 1.523 I 1.592 I 1.654
1.101 I 1.179 I 1.245 I 1.303 I 1.353 I 1.399 ! 1.479 I 1.548 I 1.610
1.057 I 1.135 I 1.201 I 1.258 I 1.309 I 1.355 I 1.435 I 1.504 I 1.566
1.013 I 1.091 I 1.157 I 1.214 I 1.265 I 1.311 I 1.391 I 1.460 I 1.522 I .969 I 1.047 I 1.113 I 1.170 I 1.221 I 1.267 I 1.347 I 1.416 I 1.478
.859 I .937 I 1.003 I 1.060 I 1.111 I 1.157 I 1.237 I 1.306 I 1.368
.749 I .827 I .893 I .950 I 1.001 I 1.047 I 1.127 I 1.196 I 1.258
Standard Type "S" or "J" coils are guaranteed up to 200 psigbut for longer life on any application we recommend our heavy duty Type "HS" or "HJ" coils, and especially on steam pressures over 2S psig. Heavy duty coils are guaranteed up to 350 psig.
130
.. 120 <
..: c
loU
~ 110 ' I I 0
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E c G> ...
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on @) ....... ..&: 0 ....... loU 1/)
"' loU
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I I
100
90
80
70
60
50
40
30
20
10 200 300
II,
' '
II I
I ' I I
, i I
I II I ' I I 1
'I
400
I I I I
1;
I II
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8;
Fig. 7
600 700
BASE TEMPERATURE RISE CURVES (@ 5 psig Steam & 0°F Ent. Air)
AIR SIDE FRICTION CURVES (@Standard Air Conditions)
q\
?.'
800 900 1000 1100
0:1
0.6 -.. .!! c ~
'0.5 ; .c "' .: -
0.4~ 0 .... z 0 0.3-..... v 01: .....
0.2 ~ -1/)
01:
0.1 <(
0 1200
FACE VELOCITY- FEET PER MINUTE (Std. Air)
e COIL SERIES-(FIN SPACING)
"Series 90" coils have 10 fins per inch (Models 92 and 91)
"Series 80" coils have 8 fins per inch (Models 82 and 81)
"Series 70" coils have 6.5 fins per inch (Models 72 and 71)
"Series 40" coils have 4 fins per inch (Model 41)
"Series 20" coils have 2 fins per inch (Model 21)
e COIL NOMENCLATURE TYPE MODEL FACE DIMENSIONS
HJ
t t 82 + "' I I
24 X 72 i t~- NOMINAL TUBE: LENGTH
I _____ "W" DIMENSION
'---------ROWS DEEP
'----------- FIN SERIES
'-------------COIL TYPE
~-------------HI-PRESSURE CONSTRUCTION (IF REQUIRED)
17
Fig. 8-MODELS AC108H THRU AC216H
FILTERS REMOVABLE FROM BOTH ENDS OF UNIT
HT'G. COIL PITCHED TO RETURN CONN.
Fig. 9-FAN DISCHARGE ARRGTS.
HUMIDIFIER OPTIONAL
1Y2 F. P.S. DRAIN
Fig. 10-FACE AND BY-PASS ARRGTS.
RIGID INSULATION UNDER PANELS
L.. _______ __l
CH CH
L_ _______ __J
CCH CCH
Table 11- ROUGH I NG-1 N DIMENSIONS
MODEL NO. A* B D E FJ F2 G H J K L M ------------------------------------------
ACIOSH 32 19 41 Ys "'44Y2 U)~E 3% 9 8% 3Y2 11 Y2 11 Y2 3Y2 ----------------- ffi:St::i ---------------------
ACIIOH 36 22Y2 41 Ys &44Y2 ,__.., 3% 10% 10% 3Y2 121\1,6 121Y,. 4 --------- ~~~ -------
-12--~-3Y2 ---------
ACIIIH 42 26 47Ys A50Y2 ~~-~= 3% 13% 14Ys 14Ys 4Y2 = oz
- 3% I 17Y2 ------
AC116H 52Y2 35 50Y2 "'53% zo 17 3Y2 17Y2 17Y2 6 ------
AC210H 59 22Y2 41 Ys 63?/s 22% 3% 10% 10% 5Y2 12% 12% 4 ·---------------------------------
AC211H 71 26 47Ys 64% 171.4 3% 13% 12 5Y2 123.4 12% 4Y2 ---------------------------~1----sy;----------
AC213H 71 28'h 47\ls 68% 211.4 3% 13% 12% 12% 5 ------ --1-- ------
AC215H 78 31 'h 47Ys 68% 211.4 3% 17Y2 15% I 7 11 _11 __ 1~ ---1---AC216H 83 351 50Y2 75% 251.4 3% 17Y2 17 1 7 121.4 121.4 6
~OPTIONAL BY PASS LOCATION
N p s ---------
7% 16Y2 ----------
7% 20 ----------
8Y2 23Y2
101.4 32Y2
7% 20 12Y2
8Y2 23Y2 18 ---------
91.4 26 18 9%129 21
101.4 32Y2 23Y2
T ---
13 ---
13 ---
14
15
14
15 ---
15
15
17
*When "C" or "CD" Coils are used, End Boxes will be Furnished to Accommodate the larger Return Bends, Hence the Overall Dimension will be Increased Somewhat. ""With Flot Filter Section
18 CERTIFIED DRAWINGS Will BE FURNISHED ON REQUEST
Fig. 11-MODELS AC220H THRU AC323H
FILTERS REMOVABLE FROM BOTH ENDS OF UNIT
HT'G. COIL PITCHED TO RETURN END
Fig. 12-FAN DISCHARGE ARRGTS.
00 • I
-
HUMIDIFIER OPTIONAL
lY2 F.P.S. DRAIN
Fig. 13-FACE AND BY-PASS ARRGTS.
RIGID INSULATION UNDER PANELS
CH CCH L------~ OPTIONAL 7 ___ C_C_H _ __j
CH BY PASS LOCATION
CD CCD CD CCD
/>
" ///'
<:/" " ... c, " "-..'..,. ... ',:0
cu ccu cu ccu
Table 12-ROUGHING-IN DIMENSIONS
MODEL NO. A* B c D I E F1 F2 I G H J I K
L I M N p s T
35 y;-1 85 ¥.! ------
AC220H 112 36 25 25\4 3% 21 20\4 7 21\12 21 Y2 6 10\4 33\12 27 17 ------ ------------
AC223H 112 43\12 25 ~199% 31% 3% 24\4 23 ¥.! 8 16% 16% 7Vs 12 41 30¥.1 18
AC315H 112 31 \12 25 31 77\4 21\4 3% 17\12 15% 7 23 8 5\12 9¥.1 29 14\4 17 ---------1-----__ 8_1_12-- --12--~ ------
AC320H 133 41 25 40\12 97\4 31 ¥.! 5Y2 21 20\4 11 \4 38\12 23 18
46\12 1---;s-__ , ____
------------
AC323H 143 46 1101 Y2 I 30\12 I 5\12 24\4 I 23¥.1 8 I 12 I 12 I 8\12 13 44 23\/s ~-1-8-
*When "C" or "CD" Coils ore used, End Boxes will be Furnished to Accommodate the Larger Return Bends, Hence the Overall Dimension will be Increased Somewhat.
CERTIFIED DRAWINGS WILL BE FURNISHED ON REQUEST 19
Fig. 14-MODELS AClOSY THRU AC213V
' T APPROX.
HUMIDIFIER ~OPTIONAL
ACCESS r DOOR
L
~*lit OPTIONAL FLAT 'FILTER
I I 1-----.....J
lUi~~ I ' L----.....J
RET. CONN. WHEN "S" COIL
E -' f;;;;; ~-=-~;!;~~~lii?J--- -11" "'----- ----------___ II
. I i
FILTERS REMOVABLE FROM BOTH ENDS OF UNIT % ANCHOR HOLES
lY2 M.P.S. DRAIN y, RIGID INSULATION UNDER PANELS
Fig. 15-FAN DISCHARGE ARRGTS. Fig. 16-FACE AND BY-PASS ARRGTS.
l_. CH (AVAILABLE ON
,SPECIAL ORDER)
~~ 1d 1 L_. ::1:+ R
MODEL NO. ------
AC108V
ACllOV
AC111V
AC210V
AC211V
AC213V
cu \ OPTIONAL FILTER LOCATION
/ 1111 1d 1 ._R ::l:+R
L.:.j---,--,---,-+~i
ccu
Table 13- ROUGH I NG-1 N DIMENSIONS
A' B I E I Fl I F2 G H I J _t<_~-~--I_N_I_~_ ~s _j_r_ --------------------i---
32 19 61V2 ~ ~i!J 2Vs 9 8% I 3V2 11V2 11V2 5 116V2 --1_13 -----~ ~ .... _, v; --------------------------
36 22V2 66Vs ::o~w 2Vs 10% 10% 3V2 121';16' 121';16 SV2 20
- ~---:: u..Z:_,(I? ------_2_6 __ -n--- ~ ~~- 2% -13"% ------~-
42 12 3V2 14Vs 14Vs. 5% 23V2 -------------------------------------- ____ I ___
59 22V2 66Va 22\4 2% 10% 10% SV2 12% ~~~ 20 12V2 14 ------ ------------
23V2 -~18 -= 1-71 26 73 163,4 2Vs 13% 12 SV2 12% 12% 5% 15
-------13"%[13% 5y;-l~
------71 28V2 78\4 I 20% 2Vs 12% I 6\4 26 18 15
u 10V2
10V2
10V2
10V2
10V2
10V2
*When "C" or "CD" Coils are used, End Boxes will be Furnished to Accommodate the Larger Return Bends, Hence the Overall Dimension will be Increased Somewhat.
20 CERTIFIED DRAWINGS WILL BE FURNISHED ON REQUEST
Fig. 17 -MODELS AC116V THRU AC323V
OPTIONAL FLAT FILTER -..
I p
L
/') /t/
/;::/, /~/ I
<;:./ <::-, I '' I :>-.'-.
"'{ " '-. 1'---0
I I
I
.... ~ /
r---,rl !. 1i I I II I
I I I ;1._1 I I i I I
I' I I I
I .I L__:.J
J APPROX.
D
E
c
'
0 0
L-UJ) ~r 0~
ACCESS DOOR
I '
%A NCHOR ES
FILTERS REMOVABLE FROM BOTH ENDS OF UNIT
~· I I
41/ y, RIGID INSULATION
UNDER PANELS
\j/ ~. lV2 M.P.S. DRAIN
Fig. 18-FAN DISCHARGE ARRGTS.
rfn±----+-. rilt R H:; 111 1,.._ +rli!
. ::l: L ::;: ~--~.u~~+-~.4~
OPTIONAL FILTER
CH LOCATION cu
r:+----+ol, R :::: .._ _. lq,._R
L :::: "+-r-c--.-+" jJ
CCH ccu
Fig. 19-FACE AND BY-PASS ARRGTS.
L-. R .....
L
R ..... L
Table 14__,; ROUGH I NG-1 N DIMENSIONS
MODEL NO. A* B c I D E fJ f2 G H J K L ----------~ ---------
AC116V 52Y2 31 Y2 ONE PC. UNIT 74% NONE 2Ys 17Y2 17 3Y2 17Y2 l7Y2 --------- ------------------------
AC215V 78 31 Y2 35)14 31 71 Y4 20% 2% 17Y2 15% 7 11 11 -----------------------------------------
AC216V 83 31 'h 38% 31 74% 24% 2% 17Y2 17 7 12)14 12!14 -----------------------------------------
AC220V 112 36 39% 35'h 80)14 24% 2Ys 21 20)14 7 21 'h 21 Y2 -----------------------------------------
AC223V 112 43Y2 47)14 43 95)14 30Ys 2% 24)14 23% 8 16% 16% -----------------------------------------
AC315V I I 2 31 Y2 35)/4 31 71 Y4 20% 2Ys 17Y2 15% 7 23 8
N p s T u ---------------
7% 32Y2 15 10Y2 ---------------
7 29 21 15 10Y2 ---------------
7% 32Y2 23Y2 17 10Y2 ---------------
7% 33Y2 27 17 JOY2 ---------------
9% 41 30% 18 IOY2 ---------------
7 29 14!14 17 IOY2 ,-------------------AC320V 133 41 44% 40Y2 90!14 31 Y4 5 21 20)14 8 12 12 8% 38Y2 23 18 IOY2 ---------------------~----------
AC323V 143 46Y2 50)14 46 101 14 30 5 24 14 23% 8 12 12 10 44 23Ys 18 IOY2
*When "C" or "CD" Coils are used, End Boxes will be Furnished to Accommodate the Larger Return Bends, Hence the Overall Dimension will be Increased Somewhat.
CERTIFIED DRAWINGS WILL BE FURNISHED ON REQUEST 21
Fig. 17 -MODELS AC116V THRU AC323V
OPTIONAL FLAT FILTER -.
I p
L
/-:> /t/
...--:/1 /-;./ I
<;./ <::--, I
.......... I '"'' '-.. :::::_1, 1'-...:)
r--...., r1 ,-. II I I II I I I' I 1'+1 I I' I , I
I I I, I .I L__:.J
J APPROX.
D
E
c
r-
'-
......
0 0
lJJ
I I I
~0 0~ ACCESS DOOR
I I I
YsA NCHOR s 1 HOLE
FILTERS REMOVABLE FROM BOTH ENDS OF UNIT
~I y, RIGID INSULATION
UNDER PANELS
~ \ _iv \
lY2 M.P.S. DRAIN
RETURN CONN
Fig. 18-FAN DISCHARGE ARRGTS.
rin:t-------lh
111 1 R :::: p!J41J- +J]IJ
:::: L t::: ~~---+"~"+-.-~~~
OPTIONAL FILTER
CH LOCATION cu
R .... L
CCH ccu
Fig. 19-FACE AND BY-PASS ARRGTS.
R ...... L
R .. ... L
Table 14--'ROUGHING-IN DIMENSIONS
MODEL NO. A* B c I D E Ft F2 G H J K L --- ---------------------
AC116V 52Y2 31 Y2 ONE PC. UNIT 74% NONE 2% 17\12 17 3\12 17Y2 17\12 --------- ---------------------
AC215V 78 31 Y2 35V.. 31 71V.. 20% 2¥s 17\12 15% 7 11 11 ------------------------------------
AC216V 83 31 Y2 38% 31 74% 24% 2% 17\12 17 7 12V.. 12V.. -----------------------------------------
AC220V 112 36 39% 35Y2 BOY., 24% 2¥s 21 20V.. 7 21 Y2 21 Y2 -----------------------------------------
AC223V 112 43\12 47V.. 43 95V.. 30¥s 2¥s 24V.. 23 "A 8 16% 16% ----------------------------------------
AC315V 112 31 Y2 35V.. 31 71V.. 20% 2¥s 17Y2 15% 7 23 8
,---~-----------------------------
AC320V 133 41 44% 40Y2 90V.. 31 \4 5 21 20\4 8 12 12 --------------
AC323V 143 46\12 50\4 46 101\4 30 5 24V.. 23% 8 12 12
N p s T u ---------------
7% 32Y2 15 10\12 ---------------
7 29 21 15 10\12 ---------------
7% 32\12 23Y2 17 10\12 ---------------
7% 33\12 27 17 10\12 ---------------
9% 41 30% 18 10\12 ---------------
7 29 14V.. 17 10\12 ---------------
B"A 38Y2 23 18 10\12
10 44 23\fs 18 10\12
*When "C" or "CD" Coils are used, End Boxes will be Furnished to Accommodate the Larger Return Bends, Hence the Overall Dimension will be Increased Somewhat.
CERTIFIED DRAWINGS WILL BE FURNISHED ON REQUEST 21
tv
w
MO
DE
L
NO
. A
C1
08
A
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A
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11
A
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10
A
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16
A
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11
A
C2
13
A
C2
15
A
C2
16
A
C3
15
A
C2
20
A
C2
23
A
C3
20
A
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23
----
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---
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....
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10
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in
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co
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------------
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3 R
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p
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1
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1
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1
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6 R
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1
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IU
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----
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----------------------------
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s D
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z
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er C
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z -------------------------------------
-------------
0 T
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e "S
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n 1
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p
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--------
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I
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....
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nd
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PS
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ater
Sup
ply
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PS
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idif
iers
S
pra
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ype ..
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ply
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rain
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....
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tica
l U
nits
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2" M
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All
Hor
izon
tal
Uni
ts
1 Y
2" F
PS
* Val
ues
show
n ar
e fo
r co
olin
g co
il;
stea
m c
oil
is 3
9x
1 2
0,
32
.5 s
q. f
t.,
26
tu
bes
in
face
8
Ste
am c
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for
th
e A
C3
23
uni
t h
ave
two
supp
ly a
nd
tw
o re
turn
con
nect
ions
#
"V"
Fil
ter
sect
ions
not
av
aila
ble
sin
ce f
lat
filt
er s
ecti
ons
for
thes
e un
its h
ave
low
fil
ter
velo
citi
es (
com
par
e bl
e to
V t
yp
e fi
lter
vel
ocit
ies)
.
Wat
er S
uppl
y Y2
" MPS
