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Boiler Applications Drawings
800000026 Rev D
2 Boiler Applications Manual 800000026 Rev D
Drawing No. Boiler Model Description Information ............................... Q & E Series Boilers ......................................................................................... 3 EVA-10-0001 Rev B ................. Q & E Series Boilers .... Boiler Flat Roof Multiple Termination Spacing Single Row ................................................................... 4 EVA-10-0003 Rev A ................. Q & E Series Boilers .... Boiler Flat Roof Multiple Termination Spacing ....................................... 5 EVA-10-0005 Rev A ................. Q & E Series Boilers .... Boiler Incline Roof Multiple Termination Spacing ....................................... 6 Vent Termination Clearances ... Q & E Series Boilers ......................................................................................... 7 Boiler PVC Venting .................. Q & E Series Boilers ..................................................................................... 8, 9 EPD-09-0001 Rev C ................ E Series Boiler ............. DHW Piping Thermostatic Valve ................................ 10 EPA-09-0001 Rev C ................. E Series Boiler ............ Single Zone ................................................................ 11 QPD-09-0001 Rev C ................ Q175C Boiler .............. DHW Recirculation ..................................................... 12 QPD-09-0002 Rev B ................ Q Series Boiler ............ DHW from Indirect Tank ............................................. 13 QPD-09-0003 Rev B ................ Q Series Boiler ............ Single Zone Priority DHW .......................................... 14 QPD-09-0004 Rev B ................ Q Series Boiler ............. 4 Zone Valve with DHW ............................................. 15 QPA-09-0001 Rev F ................. Q Series Boiler ............. 3 On-Off High Temperature Zones ............................ 16 QPA-09-0002 Rev B ................ Q Series Boiler ............. 3 Way Thermostatic Mixing ........................................ 17 QPA-09-0003 Rev C ................ Q Series Boiler ............. 3 Way Motorized Mixing ............................................. 18 QPA-09-0004 Rev C ................ Q Series Boiler ............. 3 Zone Valve .............................................................. 19 QPA-09-0005 Rev C ................ Q Series Boiler ............. Direct Coupled Radiant .............................................. 20 QPA-09-0006 Rev B ................ Q Series Boiler ............. Single Zone Split Loop ............................................... 21 QPA-09-0007 Rev C ................ Q Series Boiler ............. Snow Melt System ..................................................... 22 QPA-09-0008 Rev D ................ Q Series Boiler ............. 3 Zone Pumps ............................................................ 23 QPA-09-0009 Rev A ................ Q & E Series Boilers .... Condensate Plumbing with and without Neutralizer ..................................................... 24 QPA-10-0001 Rev B ................ Q Series Boilers ........... 3 On-Off High Temperature Zones ............................ 25 QPA-11-0001 Rev B ................ Q Series Boilers ........... 3 Zone Valves with Modulating Pump ........................ 26 QPC-09-0001 Rev C ................ Q Series Boilers ........... 2 Boiler Install ............................................................. 27 QPC-09-0002 Rev C ................ Q Series Boilers ........... 3 Boiler Install ............................................................. 28 QPC-09-0003 Rev C ................ Q Series Boilers ........... 2 Boilers with DHW .................................................... 29 QEC-09-0001 Rev A ................ Q Series Boilers ........... 2 Boilers with DHW Indirect Tank .............................. 30 QED-09-0001 Rev B ................ Q Series Boilers ........... Single Zone Circuit with Priority DHW ....................... 31 QED-09-0002 Rev A ................ Q Series Boilers ........... 4 Zone Valves with Priority DHW ............................... 32 QED-10-0001 Rev A ................ Q Series Boilers ........... Multiple Zone Circuit with Priority DHW ..................... 33 QEA-11-0001 Rev A ................ Q Series Boilers ........... Hydronic Furnace on Low Limit ................................. 34 QEA-11-0002 Rev A ................ Q Series Boilers ........... 3 On-Off High Temperature Zones with Hydronic Furnace on Low Limit .......................... 35 QEA-11-0003 Rev A ................ Q Series Boilers ........... Multiple Hydronic Furnaces ........................................ 36 QEA-11-0004 Rev A ................ Q Series Boilers ........... 2 On-Off High Temperature Hydronic Furnaces ........ 37 LEGEND Rev A ........................ Q & E Series Boilers .... Legend ....................................................................... 38
Contents
Rinnai is continually updating and improving products; therefore, drawings and specifications are subject to change without prior notice. Local, state, provincial and federal codes must be adhered to prior to installation.
3 Boiler Applications Manual 800000026 Rev D
Training Before installing the Rinnai Boiler, Rinnai recommends that the installer attend Installation and Service training classes. For further information on boiler programing and settings please contact Rinnai.
Low Limit Switch When using a boiler and an air handler together it is advisable to use a low limit switch to prevent the air handler fan from energizing before the water temperature has increased sufficiently to ensure warm air delivery. A low limit switch which closes at 130°F to supply power to the fan and then opens again at 120°F to disconnect power from the fan should be selected. The low limit switch should be selected with a minimum amp rating sufficient to safely operate with the air handler. Refer to the table below for air handler model and amp rating information. This will ensure that the air handler will deliver comfortable air temperatures at all times.
If a low limit switch is not used then the air handler may deliver cool air for a period of time until the boiler water temperature achieves its set point. The amount of time the boiler takes to achieve the set point can be changed by altering the gradient curve in the boiler. The gradient curve of the boiler parameter 14 can be adjusted 1°F to 28°F per minute. If the heating system is comprised of multiple types of heat emitters this curve should be left near the factory settings that are selected with parameter 2 for the highest temperature type of heat emitter in the system. Increasing the gradient to the maximum will decrease the overall efficiency of the boiler and the system and lead to shorter run times. When the boiler is being used with a system that has both radiant heat and an air handler it is highly recommend that the gradient not be increased to prevent short cycling of the boiler.
Dirt Trap A dirt trap is a device that is used in a closed loop hydronic system to separate out small particles of dirt, sand, solder, rust, and any other impurity that may be circulating through the system. The dirt trap removes these particles in much the same manner that air is separated from the system by a micro bubble air separation device. The particles then collects in the bottom of the dirt trap creating no pressure loss. A dirt trap is an improvement over a typical Y strainer because it will collect smaller particles as well as not creating a pressure drop as the particles falls out of solution. A dirt trap can easily be cleaned through the drain on the bottom of the trap. Both Spirotherm and Caleffi make dirt traps in a variety of sizes capable of suiting all systems.
Information
Air Handler Model Low Limit Switch Minimum Rating (Amps)
AHB45 7
AHB60 7
AHB75 9
AHB90 12
4 Boiler Applications Manual 800000026 Rev D
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7 Boiler Applications Manual 800000026 Rev D
Vent Termination Clearances
For Direct Vent Installations
For Twin pipe systems or Single
pipe (non-direct vent) A below gutters, soil pipes or drain pipes 36” 36” B below eaves, balconies, and porches * 36” 36” C from vertical drain pipes and soil pipes 6” 6” D from internal or external corners 12” 12” E from a terminal facing a terminal and from
a terminal facing a wall 48”
60” for exhaust vents. Intake pipes must be
horizontally offset from the opposing exhaust vent by a minimum of 24”
F vertically from a terminal on the same wall 60” 60”
G horizontally from a terminal on the same wall 12” 12”
H horizontally from a vertical terminal to a wall or parapet 24” 24”
* must be open on a minimum of 2 sides
8 Boiler Applications Manual 800000026 Rev D
Boiler PVC Venting
A “T” (3” x 1 ½” x 3”) should be installed to drain condensate in order to maximize the life of the condensate tray in an installation with long runs of PVC venting. Installation
The T should be installed as close as possible to the boiler to ensure most of the condensate from the venting drains back through it rather than the boiler. The T must be installed on a horizontal section of venting with the 1 ½” leg oriented towards the ground. Follow the drawing on the next page for the best location of the T and how to connect it to the boiler condensate drain. The condensate trap must be a minimum of 4” (see drawing on next page).
The condensation drain pipe should be connected to a drain in the building by means of an open connection (air gap, see drawing). An open connection prevents the possibility of drain gases affecting the boiler.
Install the condensation drain pipe according to the applicable rules and regulations.
If the condensate outlet of the boiler is lower than the public sewage system a condensate pump must be used.
The condensate produced by the boiler has a pH value between 3 and 4. Install a neutralization unit if required by the local code. It is recommended, but not required to install a condensate neutralizer.
The exhaust must be pitched a minimum of a 1/4” inch per foot back to the boiler (to allow drainage of condensate).
Contact Rinnai Engineering Department (1-800-621-9419, FAX 678-829-1666) if you have additional questions.
Before putting the boiler into operation the condensate trap on both the venting and the boiler must be filled. Please refer to the boiler installation manual for information on filling the boiler condensate trap. To fill the PVC venting condensate trap pour water into the trap until it begins to drain out of the trap. If the boiler will be installed in a high temperature installation such as baseboard, fill the condensate trap with mineral oil instead of water.
NOTICE
Do not drain the condensation water to the external rain gutter or drain because of the danger of freezing and blockage of the drain. NOTICE
9 Boiler Applications Manual 800000026 Rev D
Boiler PVC Venting
10 Boiler Applications Manual 800000026 Rev D
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21 Boiler Applications Manual 800000026 Rev D
22 Boiler Applications Manual 800000026 Rev D
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24 Boiler Applications Manual 800000026 Rev D
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A
4
B
3
CD
4
2
SCAL
ESI
ZE
DAT
E
1SH
EET
DW
G N
O.
REV
A
21
D
Appr
oved
By
NTS
AA
12/0
9/09
EL
Q S
erie
s Bo
iler
2 bo
ilers
with
DH
Win
dire
ctta
nk
This
draw
ing
isth
eex
clus
ive
prop
erty
ofR
inna
i Am
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
nai A
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
, GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0.
015
x.xx
x=±0
.005
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
t for
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
. Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
er to
dete
rmin
e th
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d.Th
edr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts. I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
bef
ore
inst
alla
tion.
3
BC
120V
Low
volta
ge
QSe
ries
boile
rs2
boile
rsw
ithD
HW
indi
rect
tank
12
34
56
910
1112
1314
1516
1718
1920
212226
2Do
nota
pply
powe
r
tN1/
tN2
Com
10K
UnO Sw
Com
Out
Boil
DHW
10A
10A
Stag
eSt
age
11
22
10A
10A
Powe
r
NL
P1Boil
DHW
Pmp/
Vlv
Boile
r
Dema
ndDe
m
Com
DHW
Dem
Setp
Dem
87
Boile
r2
Boile
r1
120V
Inpu
t
Hea
ting
Circ
ulat
or
DH
WC
ircul
ator
DHW
Sens
or
Outd
oor
Sens
or
Outdo
orSe
nsor
120V
Inpu
t
Supp
lySe
nsorOu
tdoor
Sens
or
N L
Hea
t Dem
and
From
Ther
mos
tat/z
one
cont
rol
NL
Not
e:Se
e2
boile
rwith
DH
Win
dire
ctta
nkdr
awin
g
120V
Rel
ayTP
ST
2 36
91
11 8
10
2122
23
B
1213
CHDH W
1415
1617
1920
18
NA
Cyl
inde
rcon
nect
ion
Thre
ew
ayva
lve
DH
Wse
nsor
Out
side
Sen
sor
Bus
Con
trolle
rR
oom
Ther
m.
On/
Off
2122
23
B
1213
CHDH W
1415
1617
1920
18
NA
Cyl
inde
rcon
nect
ion
Thre
ew
ayva
lve
DH
Wse
nsor
Out
side
Sen
sor
Bus
Con
trolle
rR
oom
Ther
m.
On/
Off
QEC
-09-
0001
31 Boiler Applications Manual 800000026 Rev D
A
4
B
3
CD
4
2
SCAL
ESI
ZE
DA
TE
1SH
EET
DW
G N
O.
RE
V
A
21
D
Appr
oved
By
NTS
BA
12/0
9/09
EL
Q S
erie
s Bo
iler
Sing
leZo
neC
ircui
t with
Prio
rity
DH
W
This
draw
ing
is th
eex
clus
ive
prop
erty
ofR
inna
iAm
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
naiA
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
, GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0.
015
x.xx
x=±0
.005
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
tfor
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
. Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
erto
dete
rmin
eth
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d.Th
edr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts.I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
3
BC
53
H4
N/O4
N/C
6 N/O
NN/
C6
120
VAC
INPU
T
TT
COM
WR
24 VAC
53
H4
N/O4
N/C
6 N/O
NN/
C6
120 V
ACIN
PUT
TT
COM
WR
24 VAC
Tst
at
120V
DH
WP
ump
Zone
Pum
p
DH
WP
ump
Rel
ay
Hea
ting
Pum
pR
elay
*
*May
sub
stitu
te fo
r mul
tizo
nere
lay
120V
Low
volta
ge
Qbo
iler
Sing
leZo
neC
ircui
tw
ithPr
iori
tyD
HW
Not
e:Se
epi
ping
diag
ram
Sing
leZo
nePr
iori
tyD
HW
Aqu
asta
tFo
rD
HW
2122
2324
2627
25
B
12
34
67
58
910
1213
11
NL
LN
NL
NCH
DH WL
1415
1617
1920
18
NA
120V
Pow
ersu
pply
120V
Ext
erna
lpum
p
120V
Exte
rnal
cont
rolle
r
120V
Cyl
inde
r con
nect
ion
Thre
ew
ayva
lve
DH
Wse
nsor
Out
side
Sen
sor
Bus
Con
trolle
rR
oom
Ther
m.
On/
Off
Exte
rnal
Saf
ety
cont
act
24V~
100m
A
QED
-09-
0001
32 Boiler Applications Manual 800000026 Rev D
SIXZ
ONEZ
ONE
VALV
E CO
NTROL
WITH
OPT
IONA
L PRI
ORITY
OFF
ON
ZONE
6PRI
ORITY
MODE
RESE
T
ZVC
406
12
34
ZONE
1
12
34
ZONE
2
12
34
ZONE
3
12
34
ZONE
4
12
34
ZONE
5
12
34
ZONE
6
ZONE
6REL
AY
N/O
N/C
COM
EXTR
AEN
DSW
ITCH
MAIN
END
SWIT
CH
ZONE
1
TT
ZONE
2
TT
ZONE
3
TT
ZONE
4
TT
ZONE
5
TT
ZONE
6
TT
NORM
AL
FUSE
(7AM
PMA
X)
POWERIN
A
4
B
3
CD
4
2
SC
ALE
SIZ
E
DAT
E
1SH
EE
T
DW
G N
O.
REV
A
21
D
Appr
oved
By
NTS
AA
12/1
7/09
EL
QSe
ries
Boile
r4
Zone
Val
ves
with
Prio
rity
DH
W
This
draw
ing
isth
eex
clus
ive
prop
erty
ofR
inna
iAm
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
naiA
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
,GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0.
015
x.xx
x=±0
.005
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
t for
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
.Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
er to
dete
rmin
e th
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d. T
hedr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts. I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
3
BC
120V
Low
volta
ge
Qbo
iler
4Zo
neV
alve
sw
ithPr
iorit
yD
HW
T stat
2122
2324
2627
25
B
12
34
67
58
910
1213
11
NL
LN
NL
NCH
DH WL
1415
1617
1920
18
NA
120V
Pow
ersu
pply
120V
Exte
rnal
pum
p
120V
Ext
erna
lco
ntro
ller
120V
Cyl
inde
rcon
nect
ion
Thre
ew
ayva
lve
DH
Wse
nsor
Out
side
Sens
or
Bus
Con
trolle
rR
oom
Ther
m.
On/
Off
Exte
rnal
Saf
ety
cont
act
24V
~10
0mA
T stat
T stat
1 2 3
1 2 3
1 2 3
Aqua
stat
For
DH
W
120V
Inpu
t
24V
Inpu
t
24V
Inpu
t
Outdo
orSe
nsor
Not
e:Sw
itch
posi
tions
and
jum
pers
1 2 3
Not
e:4
wire
zone
valv
esm
ayal
sobe
used
Sys
tem
Circ
ulat
or
Not
e:10
0%zo
neva
lve
syst
ems
with
DH
Wsh
ould
use
only
the
ZVC
406
QED
-09-
0002
33 Boiler Applications Manual 800000026 Rev D
A
4
B
3
CD
4
2
SCAL
ESI
ZE
DA
TE
1SH
EET
DW
G N
O.
RE
V
A
21
D
Appr
oved
By
NTS
AA
3/12
/10
EL
Q S
erie
s Bo
iler
Mul
tiple
Zon
eCi
rcui
twith
Prio
rity
DH
W
This
draw
ing
is th
eex
clus
ive
prop
erty
ofR
inna
iAm
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
naiA
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
, GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0.
015
x.xx
x=±0
.005
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
tfor
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
. Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
erto
dete
rmin
eth
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d.Th
edr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts.I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
3
BC
53
H4
N/O4
N/C
6 N/O
NN/
C6
120V
ACIN
PUT
TT
COM
WR
24 VAC
Tst
at
120V
DH
WP
ump
Zone
Pum
p
DH
WP
ump
Rel
ay
Hea
ting
Pum
pR
elay
120V
Low
volta
ge
Qbo
iler
Mul
tiple
Zone
Cir
cuit
with
Prio
rity
DH
W
Aqu
asta
tFo
rD
HW
2122
2324
2627
25
B
12
34
67
58
910
1213
11
NL
LN
NL
NCH
DH WL
1415
1617
1920
18
NA
120V
Pow
ersu
pply
120V
Ext
erna
lpum
p
120V
Ext
erna
lco
ntro
ller
120V
Cyl
inde
r con
nect
ion
Thre
ew
ayva
lve
DH
Wse
nsor
Out
side
Sen
sor
Bus
Con
trolle
rR
oom
Ther
m.
On/
Off
Exte
rnal
Saf
ety
cont
act
24V
~10
0mA
QED
-10-
0001
SIXZ
ONE
SWITC
HING
RELA
YW
ITH O
PTIO
NAL
PRIO
RITY
SR50
6
INPU
T12
0 VOL
TCIRC
ULAT
ORS
POW
ERZO
NE6
ZONE
5ZO
NE4
ZONE
3ZO
NE2
ZONE
1ZR
ZCEN
DSW
ITCH
XX
ZONE
3ZO
NE2
ZONE
1ZO
NE4
ZONE
5ZO
NE6
FUSE
1AMP
24VA
CPO
WER
ON OFF
ZONE
6PR
IORI
TY
34 Boiler Applications Manual 800000026 Rev D
23 22
Boi
lerR
oom
Ther
mos
tat
Term
inal
s
Rin
naiH
ydro
nic
Furn
ace
Fan
A
4
B
3
CD
4
2
SCAL
ESI
ZE
DAT
E
1SH
EET
DW
G N
O.
REV
A
21
D
Appr
oved
By
NTS
AA
7/14
/11
BD
Q S
erie
s Bo
iler
Rinn
aiH
ydro
nic
Furn
ace
with
Low
limit
This
draw
ing
isth
eex
clus
ive
prop
erty
ofR
inna
iAm
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
naiA
mer
icaC
orpo
ratio
n10
3In
tern
atio
nalD
rive
Peac
htre
eC
ity,G
A30
269
1-80
0-62
1-94
19
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0.
015
x.xx
x=±0
.005
3
BC
120V
Low
volta
ge
Qbo
iler
Rin
naiH
ydro
nic
Furn
ace
onlo
wlim
itsw
itch
Not
e:Se
epi
ping
diag
ram
Qbo
iler
and
Air
hand
lero
nlo
wlim
itsw
itch
Not
e:R
inna
iHyd
roni
cFu
rnac
esha
vea
circ
ulat
orfa
ctor
yin
stal
led.
QEA
-11-
0001
Low
Lim
itsw
itch
Tst
atY1
Y2W
GR
CO
Not
e:Pl
ace
low
limit
switc
hon
Hea
tWire
AH
B04
5–
Bla
ckW
ireA
HB
060
–B
lack
Wire
AH
B07
5–
Blu
eW
ireA
HB
090
–B
lue
Wire
Y1Y2WGRC O
LowVoltageHighVoltage
Rin
nai
Hyd
roni
cFu
rnac
e
CirculatorCoolHIHeat
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
tfor
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
.Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
erto
dete
rmin
eth
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d.Th
edr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
de re
quire
men
ts.I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
25
1
43
35 Boiler Applications Manual 800000026 Rev D
2322
Boi
lerR
oom
Ther
mos
tat
Term
inal
s
Rin
naiH
ydro
nic
Furn
ace
Fan
A
4
B
3
CD
4
2
SCAL
ESI
ZE
DAT
E
1SH
EET
DW
G N
O.
REV
A
21
D
Appr
oved
By
NTS
AA
7/14
/11
BD
Q S
erie
s Bo
iler
3O
n-O
ff H
igh
Tem
pera
ture
Zon
es w
ith H
ydro
nic
Furn
cace
on
Low
limit
This
draw
ing
is th
eex
clus
ive
prop
erty
ofR
inna
i Am
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
nai A
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
, GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0
.015
x.xx
x=±0
.005
3
BC
120V
Low
volta
ge
Qbo
iler
3O
n-O
ffH
igh
Tem
pera
ture
Zone
sw
ithA
irha
ndle
ron
low
limit
switc
hN
ote:
See
pipi
ngdi
agra
m3
On-
Off
Hig
hTe
mpe
ratu
reZo
nes
QEA
-11-
0002
Low
Lim
itsw
itch
Tst
atY1
Y2W
GR
CO
Not
e:Pl
ace
low
limit
switc
hon
Hea
tWire
AH
B04
5–
Purp
leJu
mpe
rW
ireA
HB
060
–B
lack
Jum
perW
ireA
HB
075
–B
lue
Wir
eA
HB
090
–B
lue
Wir
e
Y1Y2WGRC O
LowVoltageHighVoltage
Rin
nai
Hyd
roni
cFu
rnac
e
CirculatorCool HIHeat
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
t for
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
. Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
er to
dete
rmin
e th
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d. T
hedr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts. I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
FOURZONE SWITCHINGRELAYWITH OPTIONALPRIORITY
SR504
FUSE1AMP
24VACPOWER
ON
OFF
ZONE4PRIORITY
INPUT 120 VOLTCIRCULATORSPOWER ZONE4 ZONE3 ZONE2 ZONE1
ZR ZC ENDSWITCH
XX
ZONE3 ZONE2 ZONE1ZONE4
T stat
Not
e:R
inna
iHyd
roni
cFu
rnac
esha
vea
circ
ulat
orfa
ctor
yin
stal
led.
T stat
25
1
43
36 Boiler Applications Manual 800000026 Rev D
A
4
B
3
CD
4
2
SCAL
ESI
ZE
DAT
E
1SH
EET
DW
G N
O.
REV
A
21
D
Appr
oved
By
NTS
AA
7/11
/11
BD
Q S
erie
s Bo
iler
Mul
tiple
Rin
nai H
ydro
nic
Furn
aces
This
draw
ing
is th
eex
clus
ive
prop
erty
ofR
inna
i Am
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
nai A
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
, GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0
.015
x.xx
x=±0
.005
3
BC
120V
Low
volta
geQ
EA-1
0-00
03
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
t for
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
. Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
er to
dete
rmin
e th
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d. T
hedr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts. I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
Hyd
roni
cFu
rnac
e1
Tst
at1
120V
(ac)
Cla
ss 2
Tran
sfor
mer
24V
(ac)
C
NL
R
Hyd
roni
cFu
rnac
e2
Tst
at2
Hyd
roni
cFu
rnac
e3
Tst
at3
Hyd
roni
cFu
rnac
e4
Tst
at4
25
1
43
1 2 3 4 5 6 9 10 11 12 13 14 15 16 17 18 19 20 21 22
262Do not applypower
tN1/tN2
Com 10K UnOSw
Com OutBoilDHW
10A 10A
Stage Stage1 1 2 2
10A 10A
PowerN L P1
Boil DHWPmp/Vlv
BoilerDemand Dem
Com DHW
DemSetpDem
87
Y1Y2
WG
RC
OY1
Y2W
GR
CO
25
1
43
Y1Y2
WG
RC
OY1
Y2W
GR
CO
25
1
43
Y1Y2
WG
RC
O
Y1Y2
WG
RC
O
25
1
43
Y1Y2
WG
RC
OY1
Y2W
GR
CO
2322
Boi
lerR
oom
Ther
mos
tat
Term
inal
s
2322
37 Boiler Applications Manual 800000026 Rev D
2322
Boile
rRoo
mTh
erm
osta
tTe
rmin
als
A
4
B
3
CD
4
2
SCAL
ESI
ZE
DAT
E
1SH
EET
DW
G N
O.
REV
A
21
D
Appr
oved
By
NTS
AA
7/14
/11
BD
Q S
erie
s Bo
iler
2O
n-O
ff Hi
ghTe
mpe
ratu
reH
ydro
nic
Furn
aces
This
draw
ing
is th
eex
clus
ive
prop
erty
ofR
inna
i Am
eric
aC
orpo
ratio
n,it
may
notb
ere
prod
uced
orgi
ven
toth
irdpa
rties
.
1of
1
Rin
nai A
mer
ica
Cor
pora
tion
103
Inte
rnat
iona
lDriv
ePe
acht
ree
City
, GA
3026
91-
800-
621-
9419
Dra
wn
ByJG
Tole
ranc
eFr
actio
n=±
1/16
"x.
x=±0
.030
x.xx
=±0
.015
x.xx
x=±0
.005
3
BC
120V
Low
volta
geQ
EA-1
1-00
04
This
isno
tan
engi
neer
ing
draw
ing;
itis
inte
nded
only
asa
guid
ean
dno
tas
are
plac
emen
t for
prof
essi
onal
engi
neer
ing
proj
ectd
raw
ings
. Thi
sdr
awin
gis
noti
nten
ded
tode
scrib
ea
com
plet
esy
stem
.Iti
sup
toth
eco
ntra
ctor
oren
gine
er to
dete
rmin
e th
ene
cess
ary
com
pone
nts
and
conf
igur
atio
nof
the
parti
cula
rsys
tem
tobe
inst
alle
d. T
hedr
awin
gdo
esno
tim
ply
com
plia
nce
with
loca
lbui
ldin
gco
dere
quire
men
ts. I
tis
the
resp
onsi
bilit
yof
the
engi
neer
orco
ntra
ctor
toen
sure
that
the
inst
alla
tion
isin
acco
rdan
cew
ithal
lloc
albu
ildin
gco
des.
Con
ferw
ithlo
calb
uild
ing
offic
ials
befo
rein
stal
latio
n.
FOURZONE SWITCHINGRELAYWITH OPTIONAL PRIORITY
SR504
FUSE1AMP
24 VACPOWER
ON
OFF
ZONE4PRIORITY
INPUT 120 VOLTCIRCULATORSPOWER ZONE4 ZONE3 ZONE2 ZONE1
ZR ZC ENDSWITCH
XX
ZONE3 ZONE2 ZONE1ZONE4
Tst
atY1
Y2W
GR
CO
Y1Y2WGRC O
LowVoltage
Tst
atY1
Y2W
GR
CO
Y1Y2WGRC O
LowVoltage
25
1
43
25
1
43
Hyd
roni
cFu
rnac
e1
Hyd
roni
cFu
rnac
e2
38 Boiler Applications Manual 800000026 Rev D
39 Boiler Applications Manual 800000026 Rev D
Notes
Boiler Applications Manual 800000026 Rev D
8/2011