Commerical Finned-Tube and Convector Low Operating …mesteksa.com/fileuploads/Literature/Sterling Commercial Hydronics... · COMMERCIAL HYDRONIC PRODUCTS LTS-1 A MESTEK COMPANY ®

COMMERCIAL HYDRONIC PRODUCTS

LTS-1

A MESTEK COMPANY

®

Commerical Finned-Tube and ConvectorLow Operating Water Temperature High Output Offerings


MEETING TODAY’S GREEN INITIATIVES...Today’s high effi ciency condensing boiler & ground source heat pump hot

water systems demand commercial fi nned-tube radiation with the highest BTU

outputs possible.

Th e traditional hot water commercial radiation system operated at 180°F water temperatures. Newer hot water HVAC systems now often operate in the 120° – 140°F range which is a decrease in heating energy requirements of approximately 60%. Now, the diffi culties facing the engineer are how to recover the lost output at the lower operating temperatures and maintain building comfort.

Sterling has long been considered a leader in the commercial hydronic heating industry. With new, expanded enclosure off erings and a vast array of elements, Sterling has included the highest capacity combinations together in one catalog. Th ese high effi ciency commercial enclosure and fi nned-tube element off erings will provide the engineer with a variety of proven choices to meet the demands of today’s low water temperature operating systems. Also included in this catalog are low water temperature ratings for Sterling’s best performing hydronic heating convectors.

All of the off erings in this catalog will allow today’s modern high effi ciency commercial condensing boilers to operate at their full potential, maximizing system effi ciency and providing the building owner with all the cost saving benefi ts possible. Th ese high performing BTU-per-foot commercial fi nned-tube off erings will help you, the “ahead-of-the-curve engineer”, meet the requirements of today’s new age, high effi ciency low operating systems.

Retrofi t and New BuildingsTh e fl exibility of Sterling’s low operating temperature commercial fi nned-tube allows it to easily be installed in retrofi t applications as well as new building designs. Whether designing a new commercial offi ce building or changing the layout of an existing building, either can easily be accomplished using Sterling’s commercial fi nned-tube radiation. Piping design for hot water hydronic heating systems is extremely fl exible and can help cut design costs signifi cantly.

Custom ApplicationsWith over 67 years of manufacturing experience in the commercial fi nned-tube market, Sterling’s engineering group can customize any enclosure application to meet your specifi c building needs. Th at, along with the most modern powder paint system available, gives the engineer and architect almost limitless design options. Our engineering staff has over 50 years of experience in the design and application of commercial fi nned-tube heating systems and will assist you in meeting any job condition you encounter. We understand that your design concepts and conditions are endless. Sterling will evaluate your options and provide multiple proven design concepts that will perform to the requirements needed for many years to come.

Working for More GreenSterling commercial fi nned-tube radiation provides standard, nominal size 3/4" copper tube mechanically expanded into aluminum fi ns. Th e high recycled content of the aluminum and steel materials used for the element fi ns and enclosures is very LEED friendly.

GREE

N SOLUTIONS

2

FEATURES AND BENEFITS

PRODUCT DIRECTORY

· Low Operating Temperatures & Premium Performance

Th e Sterling High Capacity Finned-Tube is intended specifi cally for the use with low temperature water operating condensing boilers and ground source heat pumps.

· Allows For Maximum Boiler Operating Efficiencies

· Most Efficient & Comfortable Heating Option Available

· Greater Comfort with Room-by-Room Temperature Control

When utilizing the many advanced control devices available, each room allows for comfort settings for the occupants based on personal preference.

· Clean and Healthy Heat from the natural convective action is distributed evenly

along the exterior walls of the room, warming the wall while replacing the cold with warmth. When using hydronic heating systems, the building’s ventilation system can be reduced in size, allowing additional budget to increase the quality of the indoor air quality system. Th is will provide cleaner and better air quality, and fewer airborne germs circulated throughout the building.

· Design Flexibility Future zoning or circuit layout changes are easily done and

cost less than changing out expensive duct work.

· Durable Powder Paint Finish

· Custom Paint Color Matching Sterling’s state-of-the-art powder paint system allows for the

matching of custom colors and includes the availability of RAL color off erings.

· Multiple Enclosure Material & Gauge Options Cold Rolled Steel is standard. Aluminum and Stainless Steel

are available options. Choose from 18, 16, & 14 gauge material thickness.

· "Made in the U.S.A." All of the Sterling High Capacity products are proudly made

in the United States utilizing domestically produced raw materials.

Enclosure Style Page Slope Outlet .......................................................... 4Front Outlet ........................................................... 6Front & Top Outlet ................................................. 8Rounded Outlet .................................................... 10Slope Top Aluminum Grille ................................... 12Finned-Tube Design Data...................................... 14Convectors Styles ................................................. 18Convectors Ratings ............................................... 20Design Data .......................................................... 26

3

JVB-S Style “S” Slope Top Enclosures

ELEMENT TUBE SIZE ELEMENT FIN SIZE CRADLE A3/4" COPPER 4-1/4" x 3-5/8" 2 7"3/4" COPPER 4-1/4" x 4-1/4" 3A 7-3/8"

4

TUBE SIZE

CATALOG DESIGNATION

FIN SIZE WIDTH x HEIGHT

FIN PER FT.

FIN THICKNESS

ENCL DEPTH AND

HEIGHT IN INCHES

TIERS AND CENTERS

IN INCHES

MTG. HEIGHT IN INCHES

STEAM215°F

FACTOR 1.00

HOT WATER RATINGS IN Btu's/Ft/Hr

140°F 130°F 120°F 110°F 100°FCORRECTION FACTORS FOR

AVERAGE WATER TEMPERATURE.40 .33 .26 .20 .15

3/4" C3/4-433 4-1/4" x 3-5/8" 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

152016002480167025702920175026803040183027903160

610640990670103011707001070122073011201260

50053082055085096058088010006009201040

400420640430670760460700790480730820

300320500330510580350540610370560630

230240370250390440260400460270420470

3/4" C3/4-434 4-1/4" x 3-5/8" 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

170018202580191027003120200028303250209028903340

6807301030760108012508001130130084011601340

560600850630890103066093010706909501100

440470670500700810520740850540750870

340360520380540620400570650420580670

260270390290410470300420490310430500

3/4" C3/4-435 4-1/4" x 3-5/8" 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

184020902820226031103550251033303750276035803980

740840113090012401420100013301500110014301590

610690930750103011708301100124091011801310

4805407305908109206508709807209301030

370420560450620710500670750550720800

280310420340470530380500560410540600

3/4" C3/4-43 4-1/4" SQ. 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

163017202630179028103260186029203350193030303330

6506901050720112013007401170134077012101330

5405708705909301080610960111064010001100

420450680470730850480760870500790870

330340530360560650370580670390610670

240260390270420490280440500290450500

3/4" C3/4-44 4-1/4" SQ. 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

186020202670214029303200230031503570246032903730

7408101070860117012809201260143098013201490

61067088071097010607601040118081010901230

480530690560760830600820930640860970

370400530430590640460630710490660750

280300400320440480350470540370490560

3/4" C3/4-45 4-1/4" SQ. 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

204023203070247032703680273035403950299037904180

820930123099013101470109014201580120015201670

6707701010820108012109001170130099012501380

53060080064085096071092010307809901090

410460610490650740550710790600760840

310350460370490550410530590450570630

ALL RATINGS ARE BASED ON 3 FPS VELOCITYJVB-S Copper/Aluminum Elements

5

JVB-F Style “F” Front Outlet


6

TUBE SIZE

CATALOG DESIGNATION


FIN PER FT.

FIN THICKNESS

ENCL DEPTH AND

HEIGHT IN INCHES

TIERS AND CENTERS

IN INCHES


STEAM215°F

FACTOR 1.00




3/4" C3/4-433 4-1/4" x 3-5/8" 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

146015702390162024102810171024702870180025302920

5806309606509601120680990115072010101170

480520790530800930560820950590830960

380410620420630730440640750470660760

290310480320480560340490570360510580

220240360240360420260370430270380440

3/4" C3/4-434 4-1/4" x 3-5/8" 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

168017902560187026703060214029203280241031703530

6707201020750107012208601170131096012701410

5505908406208801010710960108080010501160

440470670490690800560760850630820920

340360510370530610430580660480630710

250270380280400460320440490360480530

3/4" C3/4-435 4-1/4" x 3-5/8" 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

182020802780223029403390247031503580269033203740

73083011108901180136099012601430108013301500

60069092074097011208201040118089011001230

470540720580760880640820930700860970

360420560450590680490630720540660750

270310420330440510370470540400500560

3/4" C3/4-43 4-1/4" SQ. 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

163016802590172026503110180027303200188028103290

6506701040690106012407201090128075011201320

540550850570870103059090010606209301090

420440670450690810470710830490730860

330340520340530620360550640380560660

240250390260400470270410480280420490

3/4" C3/4-44 4-1/4" SQ. 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

185020002690209029703440227031203560245032303640

7408001080840119013809101250142098012901460

61066089069098011407501030117081010701200

480520700540770890590810930640840950

370400540420590690450620710490650730

280300400310450520340470530370480550

3/4" C3/4-45 4-1/4" SQ. 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

195022303200240031503630267034803950293037104150

780890128096012601450107013901580117014801660

6407401060790104012008801150130097012201370

51058083062082094069090010307609601080

390450640480630730530700790590740830

290330480360470540400520590440560620

ALL RATINGS ARE BASED ON 3 FPS VELOCITYJVB-F Copper/Aluminum Elements

7

JVB-FT Style “FT” Front & Top Outlet


8

TUBE SIZE

CATALOG DESIGNATION


FIN PER FT.

FIN THICKNESS

ENCL DEPTH AND

HEIGHT IN INCHES

TIERS AND CENTERS

IN INCHES


STEAM215°F

FACTOR 1.00




3/4" C3/4-433 4-1/4" x 3-5/8" 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

144015202150156022302570164023102650172023902730

580610860620890103066092010606909601090

480500710510740850540760870570790900

370400560410580670430600690450620710

290300430310450510330460530340480550

220230320230330390250350400260360410

3/4" C3/4-434 4-1/4" x 3-5/8" 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

162017002410174024902870182025702950190026503030

650680960700100011507301030118076010601210

5305608005708209506008509706308701000

420440630450650750470670770490690790

320340480350500570360510590380530610

240260360260370430270390440290400450

3/4" C3/4-435 4-1/4" x 3-5/8" 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

174018902650196028603310211030103460226031603610

7007601060780114013208401200138090012601440

5706208706509401090700990114075010401190

450490690510740860550780900590820940

350380530390570660420600690450630720

260280400290430500320450520340470540

3/4" C3/4-43 4-1/4" SQ. 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

159016302430166024802890172025402950178026003010

64065097066099011606901020118071010401200

520540800550820950570840970590860990

410420630430640750450660770460680780

320330490330500580340510590360520600

240240360250370430260380440270390450

3/4" C3/4-44 4-1/4" SQ. 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

173019102530198026703020205027403090212028103160

6907601010790107012108201100124085011201260

570630830650880100068090010207009301040

450500660510690790530710800550730820

350380510400530600410550620420560630

260290380300400450310410460320420470

3/4" C3/4-45 4-1/4" SQ. 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

187020902520219027002960234028503110249030003260

75084010108801080118094011401240100012001300

62069083072089098077094010308209901080

490540660570700770610740810650780850

370420500440540590470570620500600650

280310380330410440350430470370450490

ALL RATINGS ARE BASED ON 3 FPS VELOCITYJVB-FT Copper/Aluminum Elements

9

JVB-RD Style “RD” Flat Top Enclosures


10

TUBE SIZE

CATALOG DESIGNATION


FIN PER FT.

FIN THICKNESS

ENCL DEPTH AND

HEIGHT IN INCHES

TIERS AND CENTERS

IN INCHES


STEAM215°F

FACTOR 1.00




3/4" C3/4-433 4-1/4" x 3-5/8" 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

147015302290162024102810171024702870180025502930

5906109206509601120680990115072010201170

490500760530800930560820950590840970

380400600420630730440640750470660760

290310460320480560340490570360510590

220230340240360420260370430270380440

3/4" C3/4-434 4-1/4" x 3-5/8" 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

169017802560187026503040200027803170213029003280

6807101020750106012208001110127085011601310

560590840620870100066092010507009601080

440460670490690790520720820550750850

340360510370530610400560630430580660

250270380280400460300420480320440490

3/4" C3/4-435 4-1/4" x 3-5/8" 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

193021102640223028203180241030903460254032003550

77084010608901130127096012401380102012801420

64070087074093010508001020114084010601170

500550690580730830630800900660830920

390420530450560640480620690510640710

290320400330420480360460520380480530

3/4" C3/4-43 4-1/4" SQ. 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

169017802650187027403160196028203240209029303370

6807101060750110012607801130130084011701350

560590870620900104065093010706909701110

440460690490710820510730840540760880

340360530370550630390560650420590670

250270400280410470290420490310440510

3/4" C3/4-44 4-1/4" SQ. 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

192020502900214029903380227030803470240032003580

7708201160860120013509101230139096012801430

63068096071099011207501020115079010601180

500530750560780880590800900620830930

380410580430600680450620690480640720

290310440320450510340460520360480540

3/4" C3/4-45 4-1/4" SQ. 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

221024203200255033803770276035703960297037604150

8809701280102013501510110014301580119015001660

7308001060840112012409101180131098012401370

57063083066088098072093010307709801080

440480640510680750550710790590750830

330360480380510570410540590450560620

ALL RATINGS ARE BASED ON 3 FPS VELOCITYJVB-RD Copper/Aluminum Elements

11

JVB-ARS


12

TUBE SIZE

CATALOG DESIGNATION


FIN PER FT.

FIN THICKNESS

ENCL DEPTH AND

HEIGHT IN INCHES

TIERS AND CENTERS

IN INCHES


STEAM215°F

FACTOR 1.00




3/4" C3/4-433 4-1/4" x 3-5/8" 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

152016002480167025702920175026803040183027903160

610640990670103011707001070122073011201260

50053082055085096058088010006009201040

400420640430670760460700790480730820

300320500330510580350540610370560630

230240370250390440260400460270420470

3/4" C3/4-434 4-1/4" x 3-5/8" 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

170018202580191027003120200028303250209028903340

6807301030760108012508001130130084011601340

560600850630890103066093010706909501100

440470670500700810520740850540750870

340360520380540620400570650420580670

260270390290410470300420490310430500

3/4" C3/4-435 4-1/4" x 3-5/8" 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

184020902820226031103550251033303750276035803980

740840113090012401420100013301500110014301590

610690930750103011708301100124091011801310

4805407305908109206508709807209301030

370420560450620710500670750550720800

280310420340470530380500560410540600

3/4" C3/4-43 4-1/4" SQ. 32 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

163017202630179028103260186029203350193030303330

6506901050720112013007401170134077012101330

5405708705909301080610960111064010001100

420450680470730850480760870500790870

330340530360560650370580670390610670

240260390270420490280440500290450500

3/4" C3/4-44 4-1/4" SQ. 40 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

186020202670214029303200230031503570246032903730

7408101070860117012809201260143098013201490

61067088071097010607601040118081010901230

480530690560760830600820930640860970

370400530430590640460630710490660750

280300400320440480350470540370490560

3/4" C3/4-45 4-1/4" SQ. 50 .020"

14B20B

"24B

""

30B""

36B""

11

2-6 CL1

2-6 CL3-6 CL

12-6 CL3-6 CL

12-6 CL3-6 CL

18"24""

28"""

34"""

40"""

204023203070247032703680273035403950299037904180

820930123099013101470109014201580120015201670

6707701010820108012109001170130099012501380

53060080064085096071092010307809901090

410460610490650740550710790600760840

310350460370490550410530590450570630

ALL RATINGS ARE BASED ON 3 FPS VELOCITYJVB-ARS Copper/Aluminum Elements

13

Design Data

CORRECTION FACTOR CHART for Non-Standard Mounting Heights

1.000

1.0001.0001.0101.0201.0301.0401.0501.0601.0701.0801.0901.1001.1101.1201.1301.140

1.150

1.000

1.0001.0041.0141.0241.0391.0491.0591.0691.0791.0891.0991.1091.1191.1291.1391.149

1.150

40or more

3836343230292827262524232221201918

or less

1.000

1.0001.0051.0111.0171.0291.0351.0411.0461.0521.0581.0641.0701.0761.0821.0881.089

1.089

1.000

1.0001.0051.0101.0151.0241.0291.0341.0391.0441.0491.0541.0591.0641.0691.0741.075

1.075

1.000

1.0001.0061.0121.0191.0311.0381.0451.0511.0581.0651.0711.0781.0851.0911.0981.100

1.100

1.000

1.0001.0071.0131.0201.0331.0401.0471.0531.0601.0671.0731.0801.0871.0931.1001.100

1.100

1.000

1.0031.0091.0161.0251.0391.0451.0521.0591.0651.0721.0791.0851.0921.0991.1001.100

1.100

MOUNTINGHEIGHT(Inches)

ENCLOSURE STYLEBARE FIN

ALLSIZES

FRONTOUTLET 31/4"

FINS

FT (FRONT & TOP) SLOPE31/4"FINS

41/4"FINS

23/4"FINS

41/4"FINS

TOP OUTLET “T” IS NOT AFFECTED.

The IBR Ratings cataloged include the factor shown for the recommended mounting height.

If the unit is to be installed at a different height than that recommended, the IBR Rating (except for Top Outlet) must be adjusted as follows: IBR Rating multiplied by

Factor from Table Above DYNAMIC FORMULAS for actual mounting height

Factor from Table Above BTU = GPM x 500 x TD for recommended mounting height BTU

EXAMPLE: Corrected steam rating for GPM = ÷ TD

1 row C145 element in JVBF14 (14"

500

high enclosures) mounted 30" above BTUfl oor in lieu of the 18" recommended. TD = ÷ GPM

500FORMULA: Factor at 30" HeightCatalog Rating x —————————– Factor at 18" Height

1.039SOLUTION: 1950 x ——– = 1760 BTU/Hr. 1.150

See inlet versus output capacity reduction chart on Page 16 for mounting heights less than standard.

( )

( )

14

COMMERCIAL FINNED-TUBE CHARTS FOR RATING CORRECTIONS FOR ALL IBR RATED ASSEMBLIES

CATALOG FINNED-TUBE RATINGS ARE BASED UPON THE FOLLOWING CONDITIONS: • 215°F AVERAGE WATER OR STEAM TEMPERATURE • 65°F ENTERING AIR TEMPERATURE • 3 FEET PER SECOND WATER FLOW RATE • CATALOG MOUNTING HEIGHTUSE THE FOLLOWING CALCULATION WITH CORRECTION FACTORS FOR JOB CONDITIONS TO DETERMINE CORRECTED RATING: CORRECTION FACTOR FORCORRECTED RATING = (215°F CATALOG RATING) X STEAM OR WATER AND AVERAGE AIR TEMP.

X CORRECTION FACTOR X CORRECTION FOR MOUNTING FOR FLOW RATE HTG.-SEE CATALOG RATING

USE THE FOLLOWING CHARTS TO SELECT CORRECTION FACTORS

( ) ( )( )

15

Design Data

†CORRECTIONS WHEN USING GLYCOL SOLUTION IN SYSTEM

Ethylene Propylene Glycol Glycol

1. Heat transfer 20% Solution .946* .982* @ 180°F, with 30% Solution .913* .961*

no increase in 40% Solution .879* .934*fl ow rate 50% Solution .842* .902*

2. G.P.M. req’d. 20°∆t 114%* 110%*@ 180°F, (nocorrection topump curve)

3. Pump head req’d. 123%* 123%*@ 180°F, withincrease in G.P.M.

4. Freezing Point 50% by volume -37°F -28°F 40% -14°F -13°F 30% + 2°F + 4°F 20% +15°F +17°F

*Compared To Water.

INLET AIR CORRECTION FACTOR

GUARANTEED WORKING PRESSURES1" IPS — 780 AT TEMPERATURES UP TO 650°F. 11/4" IPS — 660 AT TEMPERATURES UP TO 650°F.2" IPS — 405 AT TEMPERATURES UP TO 650°F.11/4" CU — 194 AT TEMPERATURES UP TO 300°F.1" CU — 204 AT TEMPERATURES UP TO 300°F.3/4" CU — 218 PSI AT TEMPERATURES UP TO 300°F. MAXIMUM PRESSURES AT OTHER TEMPERATURES ARE AVAILABLE UPON REQUEST.

1/2˝ .016 2.88 1440 3/4˝ .023 4.14 2070 1˝ .040 7.20 3600 11/4˝ .063 11.34 5660 11/2˝ .102 18.36 9160 2˝ .170 30.60 15300 21/2˝ .275 49.50 24850 3˝ .390 70.20 35000

*3 Ft./Sec. Velocity is Basic for Hot Water Rating Factors Shown on this Page.

LBS. PER HOUR

VELOCITY FT./SEC. = ————————————– (GALS. PER FT.) (3600) (8.3)

PIPE WATER CAPACITIES AND QUANTITIES

CIRCULATED AT VELOCITY OF 3* FEET PER SECOND

Gals. Per Gals./Min. @ 3′ Lbs./Hr. @ 3′

Pipe Size Linear Ft. Sec. Vel.* Sec. Vel.*

ALTITUDE FACTORS Approximate factors for convective heat value at varying altitudesAltitude Ferrous Units Copper Alum. UnitsSea Level 1.000 1.000 1,000 ft. .984 .969 2,000 ft. .968 .938 3,000 ft. .952 .908 4,000 ft. .936 .878 5,000 ft. .920 .850 6,000 ft. .904 .822 7,000 ft. .889 .795 8,000 ft. .874 .768 9,000 ft. .859 .74310,000 ft. .844 .71815,000 ft. .771 .60320,000 ft. .703 .502

† Note: The heat output of standard heat distributing units is not affected enough to be considered in sizing the units, when the fl ow rate has been increased as shown at left. If not increased, apply appropriate heat transfer correction factor indicated.

RATE OF PITCH FOR STEAM 1/2" DROP OVER 20 FT. RUN.

16

.19 .13 .11 .06

.25 .19 .15 .11 .08 .06

.31 .25 .20 .16 .13 .11 .08 .60

.38 .31 .26 .21 .19 .16 .13 .11 .08 .06

.45 .38 .33 .28 .25 .21 .19 .16 .13 .11 .06

.53 .45 .40 .34 .31 .28 .25 .21 .19 .16 .11 .06

.61 .53 .45 .41 .38 .34 .31 .28 .25 .21 .16 .11 .06

.69 .61 .53 .49 .45 .41 .38 .34 .31 .28 .21 .16 .11 .06

.77 .69 .61 .57 .53 .49 .45 .41 .38 .34 .28 .21 .16 .11 .06

.86 .77 .69 .65 .61 .57 .53 .49 .45 .41 .34 .28 .21 .16 .11

.95 .86 .78 .73 .69 .65 .61 .57 .53 .49 .41 .34 .28 .21 .16

1.05 .95 .86 .82 .77 .73 .69 .65 .61 .57 .49 .41 .34 .28 .21

1.14 1.05 .95 .91 .86 .82 .77 .73 .69 .65 .57 .49 .41 .34 .28

1.19 1.09 1.00 .95 .91 .86 .82 .77 .73 .69 .61 .53 .45 .38 .31

1.24 1.14 1.05 1.00 .95 .91 .86 .82 .77 .73 .65 .57 .49 .41 .34

1.34 1.24 1.14 1.09 1.05 1.00 .95 .91 .86 .82 .73 .65 .57 .49 .41

1.44 1.34 1.25 1.19 1.14 1.09 1.05 1.00 .95 .91 .82 .73 .65 .57 .49

1.55 1.44 1.34 1.29 1.24 1.19 1.14 1.09 1.05 1.00 .91 .82 .73 .65 .57

1.66 1.55 1.44 1.39 1.34 1.29 1.24 1.19 1.14 1.09 1.00 .91 .82 .73 .65

1.76 1.66 1.55 1.50 1.44 1.39 1.34 1.29 1.24 1.19 1.09 1.00 .91 .82 .73

1.87 1.76 1.66 1.60 1.55 1.50 1.44 1.39 1.34 1.29 1.19 1.09 1.00 .91 .82

1.99 1.87 1.76 1.71 1.66 1.60 1.55 1.50 1.44 1.39 1.29 1.19 1.09 1.00 .91

2.10 1.99 1.87 1.82 1.76 1.71 1.66 1.60 1.55 1.50 1.39 1.29 1.19 1.09 1.00

90

100

110

120

130

140

150

160

170

180

190

200

210

215 (STD.)

220

230

240

250

260

270

280

290

300

STEAM ▼ ENTERING AIR TEMPERATURE, °F

Pressure Temp. STD

Gauge Abs. Psi °F 45 55 65 70 75 80 85 90 100 110 120 130 140 150

STD

6545 55 70 75 80 85 90 95 100 110 120 130 140 150

AVERAGE WATERTEMP. °F

CORRECTION FACTORS FOR STEAM PRESSURES AND AIR TEMPERATURES OTHER THAN STANDARD

CORRECTION FACTORS FOR WATER TEMPERATURES AND AIR TEMPERATURES OTHER THAN STANDARD

(Vac) 15 Hg (Vac) 10 (Vac) 5 (Vac) 0 Psi .899 5 10 15 20 2530 40 50 60 70 80 90 100 125 150 175 200

7.32 9.78 12.25 14.696 15.595 19.70 24.70 29.70 34.70 39.70 44.70 54.70 64.70 74.70 84.70 94.70 104.70 114.70 139.70 164.70 189.70 214.70

178.9192.2202.9212.0215.0227.1239.4249.8258.8266.8274.0286.7297.7307.3316.0323.9331.2337.9352.9365.9377.4387.8

0.901.021.111.191.221.341.451.551.631.711.781.912.022.102.202.272.362.432.592.732.862.95

0.800.911.001.091.111.221.331.431.521.591.661.791.902.002.092.172.242.312.472.622.742.85

0.700.810.900.971.001.111.221.311.401.471.541.661.771.871.952.032.112.182.332.472.602.71

0.650.760.850.920.951.051.171.261.331.411.481.611.711.811.891.972.052.112.272.432.542.63

0.600.710.790.870.901.001.111.201.281.361.421.541.651.751.831.911.982.052.212.352.472.58

0.560.660.750.820.840.951.051.141.231.301.371.491.601.691.771.851.932.002.162.292.412.52

0.510.620.700.770.800.901.001.091.171.251.311.431.541.631.711.801.871.942.102.232.352.47

0.450.550.630.700.750.810.911.001.071.151.211.321.421.511.591.691.741.811.962.082.212.31

0.390.480.560.630.650.750.850.941.021.091.151.271.371.471.551.631.701.771.922.052.172.29

0.320.400.480.540.570.660.750.840.920.981.051.161.261.351.441.521.591.651.801.942.052.17

0.250.330.400.460.480.570.660.750.820.890.951.061.161.251.331.411.481.541.691.821.952.06

0.180.260.330.380.400.490.580.660.730.800.850.971.061.151.231.311.381.441.591.721.851.96

0.130.200.270.310.330.410.500.570.640.710.760.870.961.051.121.201.281.331.481.611.731.84

0.080.140.200.250.260.340.420.490.550.620.680.780.870.951.031.101.171.231.381.511.631.75

From Keenan and Keyes — Linear Interpolation. NOTE: Gauge pressure should be corrected for altitude.

In the interest of product improvement, Sterling reserves the right to make changes without notice.

▼ ENTERING AIR TEMPERATURE, °F

▲

▲

17

Convector Styles

FS-A/FSG-AType FS-A: Th e type FS-A Free-Standing Cabinet Enclosure is designed to be used exposed and fi tted fl ush against the wall. Readily installed without alteration of wall interior, the FS-A enclosure is frequently used for system modernization where it is desirable to avoid the expense of recessing the unit in the wall. Arched inlet shown is standard. Unit may be provided with integral inlet grille, (FSG-A).

W-AType W-A: Th e W-A Convector is a completely exposed wall hung unit with fl at top. Outlet grille is in the face of the enclosure. Enclosure front wraps around unit and fastens to sides of cabinet with clips. Air inlet is through open bottom of unit enclosure.

SR-A/SRG-AType SR-A Semi-Recessed: Cabinet design is similar to FS-A model. Enclosure projects only 2-1/4" from wall. Complete unit includes enclosure, front panel with outlet grille and arched inlet opening, heating element. Front panel is easily removed for cleaning or access to heating element. Unit may be provided with integral inlet grille, (SRG-A).

PW-A/PWG-AType PW-A: Th is is a partially recessed unit with rounded fl ange front and venetian type air outlet grille, standard for wall mounting as illustrated. Cabinet extends only 2-1/4" from wall. Enclosure front fastens and screw to brackets on unit liner installed in wall recess. Air inlet is through open bottom of unit (PW-A). Unit may be provided with integral inlet grille, (PWG-A).

18

SF-A/SFG-AType SF-A: Th e Type SF-A Free-Standing Cabinet Enclosure is designed to be used exposed and fi tted fl ush against the wall. Readily installed without alteration of wall interior, the SF-A enclosure is frequently used for system modernization where it is desirable to avoid the expense of recessing the unit in the wall. Arched inlet shown is standard. Unit may be provided with integral inlet grille, (SFG-A). (SFG-A available in stainless steel, consult factory).

SW-AType SW-A: Th is model is fully exposed wall hung with outlet grille located in sloping top. Enclosure wraps around unit and fastens to sides with clips. Air inlet is through open bottom of unit. Slope of top is 30°. Consult factory for availability with stainless steel.

RF-A/RFG-A AND FWG-AType RF-A: Designed to be fully recessed within the wall. Th e fl anged edge metal front contains the outlet grille and inlet opening and is fastened by screws. It is easily removable for heating element access. Th e standard unit is arranged for fl oor mounting with arched inlet opening, (RF-A). Unit may be provided with integral inlet grille (RFG-A shown). Type FWG-A: unit is similar, but for wall mounting with integral inlet grille. All units extend 13/16" from wall. Consult factory for availability of FWG-A and RFG-A models in stainless steel.

19

Hot Water Capacities*

20°F DROP SLOPE OUTLET TYPES - 65°F ENTERING AIR AVERAGE WATER TEMP.100°F

MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

SF-A 184 335 430 520 615 710 800 880 975 1060 1155 1230 13206 525 650 785 905 1070 1200 1340 1480 1625 1795 1895 20208 660 865 1035 1225 1410 1585 1775 1960 2125 2325 2490 2685

SF-A 20SW-A 14

4 350 445 540 635 730 820 915 1010 1095 1190 1285 13806 540 685 825 975 1115 1260 1400 1540 1680 1825 1960 21108 690 880 1065 1255 1445 1625 1815 2000 2185 2370 2555 2745

SF-A 24SW-A 18

4 375 475 575 675 775 880 975 1075 1170 1280 1370 14756 595 755 905 1070 1220 1375 1535 1685 1835 2000 2145 23108 735 940 1130 1335 1590 1730 1925 2125 2310 2520 2700 2910

SF-A 26 SW-A 20

4 385 490 585 690 795 900 1000 1105 1190 1300 1395 15056 610 780 930 1095 1260 1415 1575 1735 1885 2055 2205 23758 755 965 1160 1370 1575 1780 1980 2150 2370 2585 2775 2990

SF-A 32SW-A 26

4 400 510 615 725 835 940 1050 1155 1255 1370 1465 15806 650 835 1000 1180 1350 1520 1700 1865 2025 2210 2370 25508 810 1040 1250 1475 1695 1920 2130 2355 2560 2790 2995 3225

SW-A 324 420 530 635 755 870 975 1090 1200 1300 1420 1540 16706 685 860 1045 1215 1395 1580 1760 1935 2110 2300 2470 26508 845 1080 1300 1535 1765 1990 2210 2445 2665 2905 3125 3360


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

SF-A 184 480 610 735 870 1005 1130 1250 1385 1500 1635 1745 18706 745 920 1110 1280 1515 1695 1900 2095 2300 2540 2685 28658 935 1225 1470 1740 2000 2245 2515 2775 3010 3295 3525 3805

SF-A 20SW-A 14

4 500 630 765 900 1030 1165 1295 1430 1555 1690 1820 19556 765 970 1170 1380 1580 1785 1985 2185 2385 2585 2780 29858 980 1250 1510 1775 2050 2305 2570 2835 3090 3360 3620 3890

SF-A 24SW-A 18

4 530 675 810 960 1095 1245 1385 1525 1655 1810 1940 20956 845 1070 1285 1515 1730 1950 2175 2385 2600 2830 3040 32758 1040 1330 1600 1895 2255 2450 2725 3010 3275 3570 3825 4125

SF-A 26SW-A 20

4 545 695 830 980 1125 1275 1420 1560 1690 1845 1975 21306 865 1100 1320 1550 1785 2010 2230 2460 2670 2915 3120 33608 1075 1365 1640 1940 2230 2520 2805 3045 3360 3665 3930 4240

SF-A 32SW-A 26

4 565 725 870 1030 1185 1335 1485 1635 1775 1940 2070 22356 920 1185 1415 1675 1915 2155 2405 2645 2870 3130 3355 36158 1150 1475 1770 2095 2405 2715 3020 3335 3625 3955 4245 4570

SW-A 324 595 750 900 1070 1235 1380 1540 1695 1845 2010 2180 23656 965 1220 1475 1720 1975 2235 2495 2740 2990 3255 3495 37558 1195 1530 1840 2175 2495 2820 3135 3465 3780 4115 4425 4760


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

SF-A 184 645 830 995 1175 1360 1530 1690 1870 2030 2215 2360 25306 1005 1250 1500 1735 2050 2295 2575 2835 3115 3440 3630 38758 1265 1655 1985 2350 2705 3035 3400 3755 4075 4455 4770 5150

SF-A 20SW-A 14

4 675 855 1035 1220 1395 1575 1755 1930 2105 2285 2460 26456 1035 1315 1585 1865 2135 2415 2685 2955 3225 3500 3760 40408 1325 1690 2040 2400 2770 3120 3480 3835 4185 4545 4895 5265

SF-A 24SW-A 18

4 720 910 1100 1295 1485 1685 1870 2065 2240 2450 2620 28306 1145 1445 1740 2050 2340 2640 2940 3230 3515 3830 4110 44308 1410 1800 2165 2560 3050 3320 3685 4075 4430 4830 5175 5580

SF-A 26SW-A 20

4 740 940 1125 1325 1525 1725 1920 2115 2285 2495 2670 28806 1170 1490 1785 2100 2415 2715 3015 3330 3615 3940 4225 45508 1450 1850 2220 2620 3015 3410 3795 4120 4545 4955 5315 5735

SF-A 32SW-A 26

4 765 980 1175 1390 1600 1805 2010 2215 2400 2620 2805 30256 1250 1600 1915 2265 2590 2915 3255 3575 3885 4235 4540 48908 1555 1995 2395 2830 3250 3675 4085 4510 4905 5350 5740 6180

SW-A 324 805 1015 1220 1445 1670 1865 2085 2295 2495 2720 2945 32006 1310 1650 2000 2330 2670 3025 3375 3705 4045 4405 4730 50808 1615 2070 2490 2940 3380 3815 4240 4685 5110 5570 5990 6440

SLOPING TOP CABINETS, TYPES SW-A & SF-A**

* Capacities in BTU.** Derating factors for inlet grilles, see Table 7.20


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

SF-A 184 815 1045 1255 1480 1710 1930 2130 2360 2560 2790 2975 31856 1265 1575 1895 2185 2580 2895 3245 3575 3925 4335 4580 48858 1595 2090 2505 2965 3410 3830 4290 4735 5135 5615 6015 6495

SF-A 20SW-A 14

4 850 1080 1300 1540 1760 1985 2215 2435 2650 2880 3105 33356 1310 1655 2000 2350 2695 3040 3385 3725 4065 4410 4740 50958 1670 2130 2575 3030 3495 3930 4385 4835 5275 5730 6175 6640

SF-A 24SW-A 18

4 905 1150 1385 1635 1870 2125 2360 2605 2825 3090 3305 35706 1440 1825 2190 2580 2950 3325 3710 4070 4435 4830 5185 55908 1775 2270 2730 3230 3840 4185 4650 5135 5585 6090 6530 7035

SF-A 26SW-A 20

4 930 1185 1420 1670 1920 2180 2420 2665 2880 3145 3370 36356 1475 1880 2250 2645 3040 3425 3800 4195 4560 4970 5325 57358 1830 2330 2800 3305 3800 4300 4790 5190 5730 6250 6700 7230

SF-A 32SW-A 26

4 965 1235 1480 1755 2020 2275 2535 2790 3030 3305 3535 38156 1575 2020 2415 2855 3265 3675 4105 4510 4900 5340 5720 61658 1965 2515 3020 3570 4100 4635 5150 5685 6185 6745 7240 7795

SW-A 324 1015 1280 1540 1825 2105 2350 2630 2895 3145 3430 3715 40356 1650 2080 2520 2940 3370 3815 4255 4670 5100 5555 5965 64058 2040 2610 3140 3710 4260 4810 5345 5910 6445 7020 7550 8125


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

SF-A 184 985 1260 1510 1790 2065 2330 2570 2845 3090 3370 3585 38456 1530 1900 2285 2635 3115 3495 3915 4315 4735 5235 5525 59008 1925 2520 3025 3580 4115 4620 5175 5710 6200 6780 7255 7835

SF-A 20SW-A 14

4 1025 1300 1570 1855 2125 2395 2670 2940 3200 3475 3745 40256 1580 2000 2410 2840 3250 3670 4085 4495 4905 5325 5720 61508 2015 2570 3110 3655 4220 4745 5290 5840 6365 6915 7450 8015

SF-A 24SW-A 18

4 1090 1385 1670 1975 2260 2560 2845 3140 3410 3730 3990 43106 1740 2200 2645 3115 3560 4015 4475 4915 5350 5830 6260 67458 2140 2740 3295 3895 4640 5050 5610 6200 6740 7350 7880 8495

SF-A 26SW-A 20

4 1125 1430 1715 2015 2320 2630 2925 3215 3475 3795 4065 43856 1780 2270 2715 3190 3670 4135 4585 5065 5500 5995 6425 69208 2210 2815 3380 3990 4585 5190 5780 6265 6915 7540 8090 8725

SF-A 32SW-A 26

4 1165 1490 1790 2120 2435 2750 3055 3370 3655 3990 4265 46056 1900 2435 2915 3445 3940 4435 4955 5445 5915 6445 6905 74458 2370 3035 3645 4310 4945 5595 6215 6865 7465 8140 8735 9410

SW-A 324 1225 1545 1855 2200 2540 2840 3175 3495 3795 4140 4485 48706 1990 2510 3040 3545 4065 4605 5135 5635 6155 6705 7200 77308 2460 3150 3790 4475 5140 5805 6450 7130 7780 8475 9115 9805


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

SF-A 184 1210 1550 1860 2195 2540 2860 3160 3500 3795 4140 4410 47256 1880 2335 2810 3240 3830 4295 4810 5305 5820 6430 6790 72458 2365 3095 3715 4395 5055 5675 6360 7020 7615 8330 8915 9630

SF-A 20SW-A 14

4 1260 1600 1930 2280 2610 2940 3280 3610 3930 4270 4605 49456 1940 2455 2965 3485 3995 4510 5015 5520 6025 6540 7030 75558 2475 3160 3820 4490 5180 5830 6500 7170 7820 8495 9155 9845

SF-A 24SW-A 18

4 1340 1705 2055 2425 2775 3150 3500 3860 4190 4580 4900 52956 2135 2705 3250 3830 4375 4930 5500 6035 6575 7160 7690 82858 2630 3365 4045 4790 5700 6205 6895 7615 8280 9030 9680 10435

SF-A 26SW-A 20

4 1380 1755 2105 2475 2850 3230 3590 3950 4270 4665 4995 53906 2190 2785 3335 3920 4510 5080 5635 6220 6760 7370 7895 85058 2715 3455 4150 4900 5635 6375 7100 7700 8495 9265 9935 10720

SF-A 32SW-A 26

4 1435 1830 2195 2600 2995 3375 3755 4140 4490 4900 5240 56556 2335 2995 3580 4230 4840 5450 6090 6685 7265 7915 8485 91458 2910 3725 4480 5295 6080 6875 7635 8430 9175 10000 10735 11560

SW-A 324 1505 1900 2280 2705 3120 3485 3900 4295 4665 5085 5510 59856 2445 3085 3735 4355 4995 5655 6305 6925 7565 8235 8845 94958 3025 3870 4655 5500 6315 7130 7925 8760 9555 10410 11195 12045

SLOPING TOP CABINETS, TYPES SW-A & SF-A**

* Capacities in BTU.** Derating factors for inlet grilles, see Table 7. 21

Hot Water Capacities*

20°F DROP FRONT OUTLET TYPES - 65°F ENTERING AIR AVERAGE WATER TEMP.100°F

MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

FSA-A 184 270 330 395 465 525 585 650 715 785 845 920 9756 390 485 580 675 770 870 970 1065 1170 1260 1370 14658 485 615 765 905 1045 1185 1325 1435 1615 1755 1890 2015

FSA-A 20W-A 14

4 300 375 460 540 620 695 780 855 935 1015 1095 11756 435 545 660 780 885 1005 1115 1230 1340 1455 1565 16858 545 690 835 980 1125 1275 1420 1550 1710 1860 2000 2145

FSA-A 24W-A 18

4 340 435 520 615 705 790 885 975 1065 1155 1240 13356 510 645 780 915 1045 1180 1310 1445 1575 1710 1835 19758 605 765 920 1085 1245 1410 1565 1730 1880 2050 2200 2370

FSA-A 26W-A 20

4 350 445 535 630 725 815 905 1000 1090 1185 1275 13706 525 670 800 945 1085 1225 1360 1495 1625 1770 1900 20508 615 790 945 1115 1285 1450 1615 1775 1935 2110 2260 2440

FSA-A 32W-A 26

4 375 480 575 680 780 880 980 1075 1170 1275 1370 14756 580 740 885 1045 1190 1350 1500 1645 1790 1945 2090 22508 670 855 1020 1205 1385 1565 1745 1930 2090 2280 2445 2635

W-A 324 390 500 605 715 825 930 1035 1145 1240 1355 1455 15706 605 770 920 1085 1240 1400 1560 1715 1860 2030 2175 23508 695 895 1070 1265 1455 1640 1825 2015 2175 2380 2545 2745


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

FSA-A 184 380 470 565 655 745 830 920 1010 1115 1195 1300 13856 550 685 825 955 1095 1235 1370 1510 1655 1785 1940 20708 685 870 1085 1285 1480 1675 1875 2030 2290 2485 2680 2850

FSA-A 20W-A 14

4 425 535 650 765 875 990 1100 1210 1325 1435 1550 16656 615 775 940 1100 1255 1425 1580 1745 1900 2065 2220 23858 770 980 1185 1390 1595 1805 2010 2200 2420 2635 2830 3040

FSA-A 24W-A 18

4 480 615 740 870 1000 1120 1255 1380 1505 1635 1760 18956 725 915 1100 1295 1475 1670 1855 2045 2230 2420 2605 27958 855 1080 1305 1535 1765 2000 2220 2450 2665 2905 3115 3360

FSA-A 26W-A 20

4 500 630 760 895 1025 1155 1285 1420 1540 1675 1805 19406 745 945 1135 1340 1535 1735 1930 2115 2300 2505 2695 29008 875 1120 1340 1585 1820 2050 2285 2520 2740 2985 3205 3455

FSA-A 32W-A 26

4 530 675 810 965 1105 1245 1385 1525 1655 1805 1940 20906 825 1050 1255 1475 1690 1910 2120 2330 2535 2760 2960 31908 945 1210 1450 1710 1965 2220 2475 2735 2960 3230 3465 3735

W-A 324 555 705 855 1010 1165 1315 1470 1620 1760 1920 2060 22256 855 1090 1300 1535 1760 1985 2205 2430 2635 2875 3085 33308 990 1270 1520 1795 2060 2320 2580 2855 3085 3375 3605 3890


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

FSA-A 184 515 635 760 890 1005 1125 1250 1370 1505 1615 1760 18706 745 925 1115 1290 1480 1670 1855 2040 2240 2415 2620 28058 925 1175 1470 1740 2005 2270 2540 2750 3095 3360 3625 3860

FSA-A 2W-A 14

4 575 725 875 1035 1185 1335 1490 1635 1795 1945 2100 22506 835 1050 1270 1490 1700 1925 2135 2360 2575 2795 3005 32308 1045 1325 1600 1885 2160 2445 2720 2975 3275 3565 3830 4110

FSA-A 24W-A 18

4 650 835 1000 1175 1350 1520 1700 1865 2035 2215 2380 25606 980 1235 1490 1750 2000 2255 2510 2765 3015 3275 3520 37808 1160 1465 1765 2075 2390 2705 3005 3310 3605 3930 4215 4545

FSA-A 26W-A 20

4 675 855 1025 1210 1385 1560 1740 1920 2085 2270 2440 26206 1010 1280 1535 1810 2075 2345 2610 2865 3115 3390 3645 39258 1180 1510 1815 2140 2460 2775 3090 3405 3705 4040 4335 4675

FSA-A 32W-A 26

4 720 915 1100 1305 1495 1685 1875 2065 2240 2445 2620 28256 1115 1420 1695 2000 2285 2585 2870 3150 3430 3730 4010 43158 1280 1635 1960 2315 2655 3005 3345 3700 4010 4370 4685 5050

W-A 324 750 955 1160 1370 1580 1780 1985 2190 2380 2600 2790 30106 1160 1475 1760 2075 2380 2685 2985 3290 3565 3890 4175 45058 1335 1715 2055 2430 2790 3140 3495 3865 4175 4565 4880 5265

FRONT OULET CABINETS, TYPES (FS-A, SR-A, RF-A) (W-A, PW-A)**SR-A & RF-A are same capacity as FS-A

* Capacities in BTU.** Derating factors for inlet grilles, see Table 7.22


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

FSA-A 184 645 800 960 1120 1265 1420 1575 1725 1900 2040 2220 23606 940 1170 1405 1630 1865 2105 2340 2575 2825 3050 3305 35358 1170 1480 1850 2190 2525 2860 3200 3465 3905 4240 4575 4865

FSA-A 20W-A 14

4 725 910 1105 1300 1495 1685 1880 2060 2260 2450 2645 28406 1050 1320 1600 1880 2145 2430 2695 2975 3245 3520 3785 40708 1315 1670 2020 2375 2720 3085 3430 3750 4125 4495 4830 5185

FSA-A 24W-A 18

4 820 1050 1260 1480 1705 1915 2145 2350 2570 2790 3000 32306 1235 1560 1880 2205 2520 2845 3165 3485 3800 4125 4440 47708 1460 1845 2225 2615 3015 3410 3785 4175 4545 4955 5315 5730

FSA-A 26W-A 20

4 850 1080 1295 1525 1745 1970 2190 2420 2630 2860 3075 33056 1275 1615 1935 2280 2615 2960 3290 3610 3925 4275 4595 49508 1490 1905 2290 2700 3105 3500 3900 4295 4670 5095 5465 5895

FSA-A 32W-A 26

4 905 1155 1385 1645 1885 2125 2365 2605 2825 3085 3305 35656 1405 1790 2135 2520 2880 3255 3620 3975 4320 4705 5055 54458 1615 2060 2470 2915 3350 3785 4220 4665 5055 5515 5910 6370

W-A 324 945 1205 1460 1725 1990 2240 2505 2765 3000 3280 3515 37956 1460 1860 2220 2615 3000 3385 3765 4150 4495 4905 5260 56808 1685 2165 2590 3060 3515 3960 4405 4870 5260 5755 6150 6640


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

FSA-A 184 780 965 1160 1355 1530 1715 1900 2085 2295 2460 2680 28456 1135 1410 1700 1965 2250 2540 2825 3110 3410 3680 3990 42658 1410 1790 2235 2645 3050 3455 3865 4185 4715 5115 5520 5870

FSA-A 20W-A 14

4 875 1100 1335 1570 1805 2035 2270 2485 2730 2960 3190 34256 1270 1595 1930 2270 2585 2930 3250 3585 3915 4250 4570 49158 1585 2015 2435 2865 3285 3720 4140 4525 4980 5425 5830 6260

FSA-A 24W-A 18

4 990 1270 1520 1790 2060 2310 2585 2840 3100 3370 3620 38956 1490 1880 2270 2665 3040 3435 3820 4210 4585 4980 5360 57558 1765 2225 2690 3160 3635 4115 4570 5040 5485 5980 6415 6915

FSA-A 26 W-A 20

4 1025 1300 1565 1840 2110 2375 2645 2925 3175 3455 3715 39906 1535 1950 2335 2755 3160 3570 3970 4360 4735 5155 5545 59758 1795 2300 2765 3260 3745 4225 4705 5185 5635 6150 6595 7115

FSA-A 32W-A 26

4 1090 1395 1670 1985 2275 2560 2855 3140 3410 3720 3990 43006 1700 2160 2580 3040 3475 3930 4370 4795 5215 5680 6100 65708 1950 2485 2980 3520 4040 4570 5090 5630 6100 6655 7130 7685

W-A 324 1145 1455 1765 2085 2405 2705 3025 3335 3620 3955 4240 45806 1765 2245 2680 3160 3620 4085 4545 5005 5425 5920 6350 68558 2035 2615 3125 3695 4240 4780 5315 5880 6350 6950 7425 8015


MODEL DEPTHLENGTH

20" 24" 28" 32" 36" 40" 44" 48" 52" 56" 60" 64"

FSA-A 184 960 1185 1425 1660 1880 2105 2335 2560 2815 3025 3290 35006 1395 1735 2085 2415 2765 3120 3470 3820 4190 4520 4900 52408 1735 2195 2745 3250 3745 4240 4745 5140 5790 6285 6780 7215

FSA-A 20W-A 14

4 1075 1350 1640 1930 2220 2500 2785 3055 3355 3635 3920 42106 1560 1960 2375 2785 3180 3600 3995 4410 4810 5220 5615 60358 1950 2475 2995 3520 4035 4570 5085 5560 6120 6665 7160 7690

FSA-A 24W-A 18

4 1215 1560 1870 2195 2530 2840 3180 3485 3810 4140 4450 47906 1830 2310 2785 3270 3735 4220 4695 5170 5635 6120 6585 70708 2165 2735 3300 3880 4470 5055 5615 6190 6740 7350 7885 8495

FSA-A 26W-A 20

4 1260 1600 1920 2260 2590 2920 3250 3590 3900 4240 4560 49006 1890 2395 2870 3385 3880 4385 4880 5355 5820 6335 6810 73408 2210 2825 3395 4005 4605 5190 5780 6370 6925 7555 8100 8740

FSA-A 32W-A 26

4 1340 1715 2055 2435 2795 3150 3510 3860 4190 4570 4900 52856 2085 2655 3170 3735 4270 4830 5365 5895 6410 6975 7495 80708 2395 3055 3665 4325 4965 5615 6255 6915 7495 8175 8760 9445

W-A 324 1405 1785 2165 2560 2950 3325 3715 4100 4450 4860 5210 56256 2165 2755 3290 3880 4450 5015 5585 6150 6665 7275 7800 84208 2500 3210 3840 4540 5210 5870 6530 7225 7800 8535 9120 9845

FRONT OULET CABINETS, TYPES (FS-A, SR-A, RF-A) (W-A, PW-A)**SR-A & RF-A are same capacity as FS-A

* Capacities in BTU.** Derating factors for inlet grilles, see Table 7. 23

Convector Steam Ratings

DEPTH IN INCHES

LENGTH IN INCHES

FRONT OUTLET, NOMINAL LINER HEIGHT*TYPES FS-A, SR-A, RF-A, PW-A

SLOPE TOP, WALL MOUNTED, NOMINAL HEIGHTTYPE SW-A

18" 20" 24" 26" 32" 14" 18" 20" 26" 32"

4

20 9.3 10.4 11.8 12.2 13.0 12.2 13.0 13.4 13.9 14.624 11.5 13.1 15.1 15.5 16.6 15.5 16.5 17.0 17.7 18.428 13.8 15.9 18.1 18.6 19.9 18.7 19.9 20.4 21.3 22.132 16.1 18.7 21.3 21.9 23.6 22.1 23.5 24.0 25.2 26.236 18.2 21.5 24.5 25.1 27.1 25.3 26.9 27.6 29.0 30.240 20.4 24.2 27.5 28.3 30.5 28.5 30.5 31.3 32.7 33.844 22.6 27.0 30.8 31.5 34.0 31.8 33.9 34.8 36.4 37.848 24.8 29.6 33.8 34.8 37.4 35.0 37.4 38.3 40.1 41.652 27.3 32.5 36.9 37.8 40.6 38.1 40.6 41.4 43.5 45.256 29.3 35.2 40.1 41.1 44.3 41.4 44.4 45.2 47.5 49.360 31.9 38.0 43.1 44.2 47.5 44.6 47.5 48.4 50.8 53.464 33.9 40.8 46.4 47.5 51.2 47.9 51.3 52.2 54.8 58.0

6

20 13.5 15.1 17.7 18.3 20.2 18.8 20.7 21.2 22.6 23.724 16.8 19.0 22.4 23.2 25.7 23.8 26.2 27.0 29.0 29.928 20.2 23.0 27.0 27.8 30.7 28.7 31.5 32.3 34.7 36.232 23.4 27.0 31.7 32.8 36.2 33.8 37.1 38.0 41.0 42.236 26.8 30.8 36.2 37.6 41.4 38.7 42.4 43.7 46.9 48.440 30.2 34.9 40.9 42.5 46.8 43.7 47.8 49.2 52.8 54.844 33.6 38.7 45.5 47.3 52.0 48.6 53.3 54.6 59.0 61.148 37.0 42.7 50.1 51.9 57.1 53.5 58.5 60.3 64.8 67.152 40.6 46.6 54.6 56.4 62.1 58.4 63.7 65.5 70.4 73.356 43.8 50.6 59.3 61.4 67.6 63.4 69.4 71.4 76.7 79.860 47.5 54.4 63.8 66.0 72.6 68.1 74.5 76.5 82.2 85.764 50.8 58.5 68.5 71.1 78.2 73.2 80.3 82.4 88.6 92.0

8

20 16.8 18.9 21.0 21.4 23.2 24.0 25.5 26.3 28.2 29.324 21.3 24.0 26.5 27.4 29.6 30.6 32.6 33.5 36.1 37.528 26.6 29.0 32.0 32.9 35.5 37.0 39.2 40.2 43.4 45.132 31.5 34.1 37.6 38.8 41.9 43.5 46.4 47.5 51.3 53.336 36.3 39.1 43.3 44.6 48.1 50.2 55.2 54.6 58.9 61.240 41.1 44.3 49.0 50.3 54.4 56.5 60.1 61.8 66.6 69.144 46.0 49.3 54.4 56.0 60.6 63.0 66.8 68.8 74.0 76.848 49.8 53.9 60.0 61.7 67.0 69.5 73.8 74.6 81.7 84.952 56.1 59.3 65.3 67.1 72.6 75.8 80.2 82.3 88.9 92.656 60.9 64.6 71.2 73.2 79.2 82.3 87.5 89.8 96.9 100.960 65.7 69.4 76.4 78.5 84.9 88.7 93.8 96.3 104.0 108.564 69.9 74.5 82.3 84.7 91.5 95.4 101.1 103.9 112.0 116.7

DEPTH IN INCHES

LENGTH IN INCHES

FRONT OUTLET, NOMINAL LINER HEIGHT*TYPES FS-A, SR-A, RF-A, PW-A

SLOPE TOP, WALL MOUNTED, NOMINAL HEIGHTTYPE SW-A

18" 20" 24" 26" 32" 14" 18" 20" 26" 32"

4

20 2230 2495 2830 2930 3120 2930 3120 3215 3335 350524 2760 3145 3625 3720 3985 3720 3960 4080 4250 441528 3310 3815 4345 4465 4775 4490 4775 4895 5110 530532 3865 4490 5110 5255 5665 5305 5640 5760 6050 629036 4370 5160 5880 6025 6505 6070 6455 6625 6960 725040 4895 5810 6600 6790 7320 6840 7320 7510 7850 811044 5425 6480 7390 7560 8160 7630 8135 8350 8735 907048 5950 7105 8110 8350 8975 8400 8975 9190 9625 998552 6550 7800 8855 9070 9745 9145 9745 9935 10440 1085056 7030 8450 9625 9865 10630 9935 10655 10850 11400 1183060 7655 9120 10345 10610 11400 10705 11400 11615 12190 1281564 8135 9790 11135 11400 12290 11495 12310 12530 13150 13920

6

20 3240 3625 4250 4390 4850 4510 4970 5090 5425 569024 4030 4560 5375 5570 6170 5710 6290 6480 6960 717528 4850 5520 6480 6670 7370 6890 7560 7750 8330 869032 5615 6480 7610 7870 8690 8110 8905 9120 9840 1013036 6430 7390 8690 9025 9935 9290 10175 10490 11255 1161540 7250 8375 9815 10200 11230 10490 11470 11810 12670 1315044 8065 9290 10920 11350 12480 11665 12790 13105 14160 1466548 8880 10250 12025 12455 13705 12840 14040 14470 15550 1610552 9745 11185 13105 13535 14905 14015 15290 15720 16895 1759056 10510 12145 14230 14735 16225 15215 16655 17135 18410 1915060 11400 13055 15310 15840 17425 16345 17880 18360 19730 2057064 12190 14040 16440 17065 18770 17570 19270 19775 21265 22080

8

20 4030 4535 5040 5135 5570 5760 6120 6310 6770 703024 5110 5760 6360 6575 7105 7345 7825 8040 8665 900028 6385 6960 7680 7895 8520 8880 9410 9650 10415 1082532 7560 8185 9025 9310 10055 10440 11135 11400 12310 1279036 8710 9385 10390 10705 11545 12050 13250 13105 14135 1469040 9865 10630 11760 12070 13055 13560 14425 14830 15985 1658544 11040 11830 13055 13440 14545 15120 16030 16510 17760 1843048 11950 12935 14400 14810 16080 16680 17710 17905 19610 2037552 13465 14230 15670 16105 17425 18190 19250 19750 21335 2222556 14615 15505 17090 17570 19010 19750 21000 21550 23255 2421560 15770 16655 18335 18840 20375 21290 22510 23110 24960 2604064 16775 17880 19750 20330 21960 22895 24265 24935 26880 28010

STEAM RATINGS IN EDR (215°F AT 65°F E.A.T.)

STEAM RATINGS IN BTU/H (215°F AT 65°F E.A.T.)

* Derating factors for inlet grilles, see Table 7.

TABLE 1

TABLE 1A

24

DEPTH IN INCHES

LENGTH IN INCHES

FRONT OUTLET, WALL MOUNTED, NOM. HEIGHTTYPE W-A

SLOPE TOP, FREE STANDING, NOMINAL HEIGHT*TYPE SF-A

18" 20" 24" 26" 32" 14" 18" 20" 26" 32"

4

20 10.4 11.8 12.2 13.0 13.6 11.7 12.2 13.0 13.4 13.924 13.1 15.1 15.5 16.6 17.3 15.0 15.5 16.5 17.0 17.728 15.9 18.1 18.6 19.9 21.0 18.0 18.7 19.9 20.4 21.332 18.7 21.3 21.9 23.6 24.8 21.3 22.1 23.5 24.0 25.236 21.5 24.5 25.1 27.1 28.6 24.6 25.3 26.9 27.6 29.040 24.2 27.5 28.3 30.5 32.2 27.7 28.5 30.5 31.3 32.744 27.0 30.8 31.5 34.0 36.0 30.6 31.8 33.9 34.8 36.448 29.6 33.8 34.8 37.4 39.7 33.9 35.0 37.4 38.3 40.152 32.5 36.9 37.8 40.6 43.1 36.8 38.1 40.6 41.4 43.556 35.2 40.1 41.1 44.3 47.1 40.1 41.4 44.4 45.2 47.560 38.0 43.1 44.2 47.5 50.5 42.7 44.6 47.5 48.4 50.864 40.8 46.4 47.5 51.2 54.5 45.8 47.9 51.3 52.2 54.8

6

20 15.1 17.7 18.3 20.2 21.0 18.2 18.8 20.7 21.2 22.624 19.0 22.4 23.2 25.7 26.7 22.6 23.8 26.2 27.0 29.028 23.0 27.0 27.8 30.7 31.9 27.2 28.7 31.5 32.3 34.732 27.0 31.7 32.8 36.2 37.6 31.4 33.8 37.1 38.0 41.036 30.8 36.2 37.6 41.4 43.1 37.1 38.7 42.4 43.7 46.940 34.9 40.9 42.5 46.8 48.6 41.6 43.7 47.8 49.2 52.844 38.7 45.5 47.3 52.0 54.1 46.6 48.6 53.3 54.6 59.048 42.7 50.1 51.9 57.1 59.6 51.4 53.5 58.5 60.3 64.852 46.6 54.6 56.4 62.1 64.6 56.4 58.4 63.7 65.5 70.456 50.6 59.3 61.4 67.6 70.5 62.3 63.4 69.4 71.4 76.760 54.4 63.8 66.0 72.6 75.6 65.8 68.1 74.5 76.5 82.264 58.5 68.5 71.1 78.2 81.6 70.2 73.2 80.3 82.4 88.6

8

20 18.9 21.0 21.4 23.2 24.2 22.9 24.0 25.5 26.3 28.224 24.0 26.5 27.4 29.6 31.1 30.0 30.6 32.6 33.5 36.128 29.0 32.0 32.9 35.5 37.2 36.0 37.0 39.2 40.2 43.432 34.1 37.6 38.8 41.9 44.0 42.6 43.5 46.4 47.5 51.336 39.1 43.3 44.6 48.1 50.5 49.0 50.2 55.2 54.6 58.940 44.3 49.0 50.3 54.4 56.9 55.0 56.5 60.1 61.8 66.644 49.3 54.4 56.0 60.6 63.3 61.6 63.0 66.8 68.8 74.048 53.9 60.0 61.7 67.0 70.0 68.0 69.5 73.8 74.6 81.752 59.3 65.3 67.1 72.6 75.6 73.8 75.8 80.2 82.3 88.956 64.6 71.2 73.2 79.2 82.7 80.7 82.3 87.5 89.8 96.960 69.4 76.4 78.5 84.9 88.4 86.4 88.7 93.8 96.3 104.064 74.5 82.3 84.7 91.5 95.4 93.3 95.4 101.1 103.9 112.0

DEPTH IN INCHES

LENGTH IN INCHES

FRONT OUTLET, WALL MOUNTED, NOM. HEIGHTTYPE W-A

SLOPE TOP, FREE STANDING, NOMINAL HEIGHT*TYPE SF-A

18" 20" 24" 26" 32" 14" 18" 20" 26" 32"

4

20 2495 2830 2930 3120 3265 2810 2930 3120 3215 333524 3145 3625 3720 3985 4150 3600 3720 3960 4080 425028 3815 4345 4465 4775 5040 4320 4490 4775 4895 511032 4490 5110 5255 5665 5950 5110 5305 5640 5760 605036 5160 5880 6025 6505 6865 5905 6070 6455 6625 696040 5810 6600 6790 7320 7730 6650 6840 7320 7510 785044 6480 7390 7560 8160 8640 7345 7630 8135 8350 873548 7105 8110 8350 8975 9530 8135 8400 8975 9190 962552 7800 8855 9070 9745 10345 8830 9145 9745 9935 1044056 8450 9625 9865 10630 11305 9625 9935 10655 10850 1140060 9120 10345 10610 11400 12120 10250 10705 11400 11615 1219064 9790 11135 11400 12290 13080 10990 11495 12310 12530 13150

6

20 3625 4250 4390 4850 5040 4370 4510 4970 5090 542524 4560 5375 5570 6170 6410 5425 5710 6290 6480 696028 5520 6480 6670 7370 7655 6530 6890 7560 7750 833032 6480 7610 7870 8690 9025 7535 8110 8905 9120 984036 7390 8690 9025 9935 10345 8905 9290 10175 10490 1125540 8375 9815 10200 11230 11665 9985 10490 11470 11810 1267044 9290 10920 11350 12480 12985 11185 11665 12790 13105 1416048 10250 12025 12455 13705 14305 12335 12840 14040 14470 1555052 11185 13105 13535 14905 15505 13535 14015 15290 15720 1689556 12145 14230 14735 16225 16920 14950 15215 16655 17135 1841060 13055 15310 15840 17425 18145 15790 16345 17880 18360 1973064 14040 16440 17065 18770 19585 16850 17570 19270 19775 21265

8

20 4535 5040 5135 5570 5810 5495 5760 6120 6310 677024 5760 6360 6575 7105 7465 7200 7345 7825 8040 866528 6960 7680 7895 8520 8930 8640 8880 9410 9650 1041532 8185 9025 9310 10055 10560 10225 10440 11135 11400 1231036 9385 10390 10705 11545 12120 11760 12050 13250 13105 1413540 10630 11760 12070 13055 13655 13200 13560 14425 14830 1598544 11830 13055 13440 14545 15190 14785 15120 16030 16510 1776048 12935 14400 14810 16080 16800 16320 16680 17710 17905 1961052 14230 15670 16105 17425 18145 17710 18190 19250 19750 2133556 15505 17090 17570 19010 19850 19370 19750 21000 21550 2325560 16655 18335 18840 20375 21215 20735 21290 22510 23110 2496064 17880 19750 20330 21960 22895 22390 22895 24265 24935 26880

STEAM RATINGS IN EDR (215°F AT 65°F E.A.T.)

STEAM RATINGS IN BTU/H (215°F AT 65°F E.A.T.)

* Derating factors for inlet grilles, see Table 7.

TABLE 2

TABLE 2A

25

Capacity and Selection Data

51.12

269

Note: Max Recommended operating pressure 150 PSIG, (365.9°F). For conversion from steam to hot water, use table factors as multiplier

rather than a divisor.

PRESSURE PSI GAUGE10

1.25

301

151.36

327

201.46

351

251.56

374

501.93

463

*Apply factor to Tables 1, 1A, 2 and 2A (pages 24 & 25) to obtain rating at other than 1 psi gauge.

FACTORBTU PER SQ. FT.

CORRECTION FACTORS FOR STEAM PRESSURES OTHER THAN 1 PSI GAUGE*

Note: Derating factors do not apply to units with end pockets.

Semi-Recessed or RecessedNon-Standard Access Door Locations

Free Standing, Non-RecessedNon-Standard Access Door LocationsLength

3 or 46%

5 4 3 3 3 2 2 2 2 2 2

20"24"28"32"36"40"44"48"52"56"60"64"

5 & 635%

28 23 20 17 15 14 12 11 11 10 9

3 & 412%

9 8 6 6 5 5 4 4 4 3 3

5 or 618%

14 11 11 8 8 7 6 5 5 5 5

3 or 42.5%

2 1.8 1.5 1.2 1 1 1 .8 .8 .8 .8

5 or 67.5%

6 5.2 4.5 3.8 3 3 3 2.2 2.2 2.2 2.2

3 & 45%

4 3.2 2.8 2.5 2.2 2 1.8 1.5 1.5 1.5 1.2

5 & 615%

12 9.8 8.2 7.5 6.8 6 5.2 4.5 4.5 4.5 3.8

DERATING PERCENTAGE REDUCTION TABLE

Charted figures showing pressure drop through Convectors with forced hot water. Used for determining pressure head requirement. Based on 64" length units, but applicable to shorter units, as most loss is due to headers.

—0.0460.1670.6161.3672.3803.673

8 INCHMODELS

4 INCHMODELS

6 INCHMODELS

PRESSURE LOSS IN FEET OF WATER

—0.0700.2701.0472.2603.793

—

0.0440.1600.5972.220

———

WATER FLOW IN G.P.M.

.25

.5012345

HEIGHT

DERATING FACTORS FOR INLET GRILLES

66%5%2%

89%7%3%

DEPTH

20"24"32"

Refer: All Tables Pages 16-21

43%2%1%

TYPES: FSG-A, SRG-A, RFG-A, FWG-A, PWG-A, SFG-A

Due to the restriction to air flow, the percentages should be subtracted from the BTU output when inlet grilles are specifi ed.

CONVECTOR CORRECTION FACTORS Based on ASHRAE HVAC Systems and Equipment

0.17 0.14 0.12 0.09 0.070.23 0.20 0.17 0.14 0.120.29 0.26 0.23 0.20 0.170.35 0.32 0.29 0.26 0.230.43 0.39 0.35 0.32 0.290.50 0.46 0.43 0.39 0.350.58 0.54 0.51 0.47 0.430.67 0.63 0.58 0.54 0.510.76 0.71 0.67 0.63 0.580.85 0.81 0.76 0.71 0.670.95 0.90 0.85 0.81 0.761.05 1.00 0.95 0.90 0.851.10 1.05 1.00 0.95 0.901.15 1.10 1.05 1.00 0.951.26 1.20 1.15 1.10 1.051.37 1.32 1.26 1.21 1.151.47 1.43 1.37 1.32 1.27

240°F250°F

ENTERING AIR TEMPERATURES °F

230°F

200°F210°F

215°F (STD)

110°F120°F130°F

220°F

180°F190°F

160°F170°F

140°F150°F

60°F 70°F 75°FSTD. 65°F

100°F

AVERAGE WATER TEMPERATURE °F

55°F

CONVECTOR CORRECTION FACTORSBased on ASHRAE HVAC Systems and Equipment

ENTERING AIR TEMPERATUREAVERAGE WATER TEMPERATURE

SELECTION1. Determine the conditions of the system. (If hot water, the

average temperature, temp. drop, etc.)2. Determine the MBH capacity of the unit as required for

each location as shown on plans or based on heat loss calculations.3. Refer to the hot water capacity tables on page 20 thru 23

which list capacities at the conditions for the job, for the model convector required.

4. Locate in table the required capacity and read convector size from columns showing Depth, Length, Height.

5. For rating below 160°F use correction factors from Table 3 for desired AWT and multiply times 215°F rating.

TABLE 4

TABLE 3

TABLE 5

TABLE 6 TABLE 7

26

TABLE 8 TABLE 9

Note: Table 9 shows MBH which result at specifi c water tem-perature drops and minimum water fl ow rates which are required to maintain turbulent fl ow within element tubes.If the MBH output rating capacities shown on pages 20 to 23 fall below those shown in Table 9 for the minimum fl ow rates, this indicates that the GPM required at a 20°F water temperature drop is less than the minimum GPM required to maintain tur-bulent fl ow.Example: From page 20, -20°F water temperature drop -170°F AWT, 65°F EA -Unit: FSA-18, 8" deep, 24" long -MBH = 2.6 (Rated capacity)Th is capacity rating is less than the MBH (2.8) shown in Table 9 for a 20°F TD and the minimum fl ow rate of 0.28 GPM.Applying the following formula to the example above, we may determine the GPM required for a 20°F TD at 2.6 MBH.

GPM = ---------------- GPM = 0.26

Again, this GPM is too low to maintain turbulent fl ow within the element tubes. Th erefore, use Min. GPM of 0.28 per Table 9.Th e water temperature drop which may be expected when using the Min. GPM can be determined using the following formula:

TD = ----------------- TD = 18.57°F

Note: By using the higher fl ow rate, a lower water temperature drop will be experienced. Because of this, the average water tem-perature will be higher and result in a somewhat higher output capacity. For many installations, the use of the minimum GPM from Table 9 will be satisfactory, without further consideration. However, if required, a closer approximation may be obtained by dividing by two and subtracting the result from the entering water temperature of 180°F.

18.57i.e. 180 - (----------) = 170.7°F AWT

2

Th en, the new MBH rating may be determined by interpolation between the ratings shown on page 16 for the unit at 170°F AWT and 180°F AWT. In the above example, the new rating would be 2.61 MBH which would be very close to the actual performance without resorting to further iterations.

ALL HOT WATER RATINGS ARE BASED ON A 3 FPS VELOCITY

❴

GALLONS PER MINUTE OF HOT WATER REQUIRED OUTPUT-FLOW RATE CORRECTIONS

2.6 MBH

500 x 20 TD

2.6 MBH

500 x 0.28

Th e chart above may be used to determine the approximate GPM required for the desired MBH with various water temperature drops.Formulas shown in chart with temperature drops may also be used for determining GPM. MBH 15EXAMPLE: Temperature drop 10°F Factor from formula .200 15 x .200 = 3.0 GPM

Where systems are designed for low fl ow rates (velocity) it has been determined by ASHRAE and the Hydronics Institute (I.B.R.) that a minimum fl ow rate of .25 F.P.S. should be observed. No formal test information is available for performance below the .25 F.P.S. at this point in time. REF:

BTU = GPM x 500 x TDGPM = (BTU ÷ 500) ÷ TDTD = (BTU ÷ 500) ÷ GPM

CORRECTIONS WHEN USINGGLYCOL SOLUTION IN SYSTEM

Propylene Glycol

1. Heat transfer 20% solution .982* @ 180°F, with 30% solution .961* no increase in 40% solution .934* fl ow rate 50% solution .902* 2. G.P.M. req’d @ 180°F, 20°Δt 110%* (no correction to pump curve) 3. Pump head req’d @ 180°F, 123%* with increase in G.P.M. 4. Freezing Point 50% by volume –37°F –28°F 40% –14°F –13°F 30% + 2°F + 4°F 20% +15°F +17°F*Compared To Water.

0.750 1.500 2.250 3.0001.125 2.250 3.375 4.5001.500 3.000 4.500 6.0004

40TD

46

.15.225

10TD

.30

MBH Based on T.D. & Min. Flow Rate

8

23

20TD 30TDConvector

DepthTubes per Element

GPM

Min. Flow Rate (0.25 Ft./Sec.)

27

Design /Installation Data

NOTE: When adding end pockets liner and front length increase.

NOTE: When adding end pockets liner and front length increase.

*7-1/2" For 14" High Units

TYPE W-A

TYPE FS-A / FSG-A

W-A

FS-A = ARCHED INLETFSG-A = LOUVERED INLET

(Grille)

TABLEMODEL D H L B J

414418420426432

4-1/4

1418202632

20,24,28,32,36,40,44,48,52,56,60,64,

2-1/8 2

614618620626632

6-1/4

1418202632

20,24,28,32,36,40,44,48,52,56,60,64,

3-1/8 4

814818820826832

8-1/4

1418202632

20,24,28,32,36,40,44,48,52,56,60,64,

4-1/8 6


418420424426432

4-1/4

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

2-1/8 2

618620624626632

6-1/4

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

3-1/8 4

818820824826832

8-1/4

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

4-1/8 6

28

NOTE: Order by Liner Dimensions — L x H. When adding end pockets liner and front length increase.


TYPE SR-A / SRG-A

TYPE PW-A / PWG-APW-A = BOTTOM INLET

PWG-A = LOUVERED INLET(Grille)

SR-A = ARCHED INLETSRG-A = LOUVERED INLET

(Grille) TABLEMODEL D H L B J

416418422424430

4-1/4

1618222430

20,24,28,32,36,40,44,48,52,56,60,64,

2-1/8 2

616618622624630

6-1/4

1618222430

20,24,28,32,36,40,44,48,52,56,60,64,

3-1/8 4

816818822824830

8-1/4

1618222430

20,24,28,32,36,40,44,48,52,56,60,64,

4-1/8 6


418420424426428

4-1/4

1820242628

20,24,28,32,36,40,44,48,52,56,60,64,

2-1/8 2

618620624626628

6-1/4

1820242628

20,24,28,32,36,40,44,48,52,56,60,64,

3-1/8 4

818820824826828

8-1/4

1820242628

20,24,28,32,36,40,44,48,52,56,60,64,

4-1/8 6

29



TYPE RF-A / RFG-A

TYPE FWG-A FWG-A = LOUVERED INLET

RF-A = ARCHED INLETRFG-A = LOUVERED INLET

(Grille)TABLEMODEL D H L B J

418420424426432

4-13/16

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

2-1/8 4

618620624626632

6-13/16

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

3-1/8 6

818820824826832

8-13/16

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

4-1/8 8


418420424426432

4-13/16

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

2-1/8 4

618620624626632

6-13/16

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

3-1/8 6

818820824826832

8-13/16

1820242632

20,24,28,32,36,40,44,48,52,56,60,64,

4-1/8 8

Design /Installation Data

30

SUPPLY PIPE

Ø 3/4 PLUGBY OTHERS

RETURN PIPE

VENT PLUG

CAT-53046A

VENT PLUG

RETURN PIPE

VERTICAL TRAP

SUPPLY PIPE

INLET VALVE

Ø 3/4 PLUGBY OTHERS

CAT-53047A

3-POSITIONHANGERWELDEDTO LINER

VENT PLUG

CAT-53045A

HOT WATER SYSTEM STEAM SYSTEM(Not recommended for one pipe steam)

Non-ferrous convector heating elements consist of aluminum fi ns specially collared and mechanically bonded to 3/8" diameter copper tubes as the primary radiating surface. Th e tubes are joined at each end by cast brass headers for connection to the system risers. One header is provided with 1/4" NPT tapping for venting, the other header is supplied with a 1/4"

NPT galvanized plug. All elements have steel side plates for appearance and strength. Standard heating element is supplied with two single 3/4" NPT headers. An optional dual inlet header is available. Th is allows for piping to come in from the top or bottom of element. Specify DH header one end when required.

NOTE: When ordering convectors with end pockets always refer to the standard unit length. The overall physical length will increase by 4" for each end pocket. The coil length will remain the standard size.

Coil fi ns are 21/2" high by width shown above and are mechanically bonded to copper tube at 6 fi ns per inch.

31

260 North Elm Street, Westfi eld MA 01085Tel: (413) 564-5535 FAX: (413) 562-8437

www.sterlingheat.com

A MESTEK COMPANY

COMMERCIAL HYDRONIC PRODUCTS®


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