Raypak HI DELTA 302B Manual

I STALLATIO & OPERATI G
I STRUCTIO S
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WAR I G: If these instructions are not followed exactly, a fire or explosion may
result causing property damage, personal injury or death.
FOR YOUR SAFETY: Do not store or use gasoline or other flammable vapors and
liquids or other combustible materials in the vicinity of this or any other appliance.
To do so may result in an explosion or fire
WHAT TO DO IF YOU SMELL GAS:
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or
the gas supplier.
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Models 302B –902B
Types H, WH & P
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WAR I GS 4
BEFORE I STALLATIO 5
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GE ERAL SAFETY 8
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I STALLATIO 9
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START-UP 46
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OPERATIO 50
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TROUBLESHOOTI G 51
MAI TE A CE 52
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APPE DIX 54
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WARRA TIES 55
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Start-Up Checklist 57
Important Instructions for the
Commonwealth of
Massachusetts 58
CO TE TS
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WAR I G - CALIFOR IA PROPOSITIO
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WAR I GS
Pay Attention to These Terms
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BEFORE I STALLATIO
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2=:CDG9:G>C<E6GIHNDJBJHIHE:8>;NI=:BD9:A6C9
H:G>6ACJB7:GD;I=:=:6I:G2=:CDG9:G>C<JC9:GL6G
G6CIN 8DC9>I>DCH NDJ BJHI 6AHD HE:8>;N I=: 96I: D;
>CHI6AA6I>DC
+JG8=6H:9 E6GIH 6G: HJ7?:8I ID G:EA68:B:CI DCAN
JC9:G I=: B6CJ;68IJG:GYH L6GG6CIN :7>IH ;DG 9:;:8
I>K:G:EA68:B:CIE6GIHL>AACDI7:688:EI:96C9L>AA7:
G:EA68:9 >C @>C9 DCAN E:G -6NE6@YH HI6C96G9 L6G
G6CI>:H
Model Identification
/=: BD9:A >9:CI>;>86I>DC CJB7:G 6C9 =:6I:G H:G>6A
CJB7:G6G:;DJC9DCI=:=:6I:GG6I>C<EA6I:AD86I:9DC
I=:ADL:GG><=IDJIH>9:?68@:ID;I=:=:6I:G/=:BD9:A
CJB7:G L>AA =6K: I=: ;DGB #  DG H>B>A6G
9:E:C9>C< DC I=: =:6I:G H>O: 6C9 8DC;><JG6I>DC /=:
A:II:GH >C I=: ;>GHI <GDJE D; 8=6G68I:GH >9:CI>;>:H I=:
6EEA>86I>DC #  #N9GDC>8 #:6I>C< 2#  DB:HI>8
#DI26I:G #2 + +DDA/=:CJB7:GL=>8= ;DA
ADLH>9:CI>;>:HI=:;>G>C<BD9:DGDCD;;
HI6<:   HI6<: 6C9   HI6<: /=: H:8DC9
<GDJE D; 8=6G68I:GH >9:CI>;>:H I=: H>O: D; I=: =:6I:G
;DJG CJB7:GH G:EG:H:CI>C< I=: 6EEGDM>B6I: (/0#
>CEJI 6C9 L=:G: 6EEA>867A: 6 A:II:G >C9>86I>C< I=:
B6CJ;68IJG>C<H:G>:HCW XHJ;;>M>C9>86I:H:;;>
8>:C8N6I:<DGN$$DG$1K:CI>C<W#XHI6BE:97D>A:GH
DCAN
Ratings and Certifications
.I6C96G9H
Q ).$5Z.A6I:HI:9>I>DC"6H!>G:9
#DI26I:GD>A:GH
Q )   A6I:HI :9>I>DC $C9JHIG>6A 6C9
DBB:G8>6A"6H!>G:9+68@6<:D>A:GH
Q ).$5Z.A6I:HI:9>I>DC"6H!>G:9
+DDA#:6I:GH
Q ).$ 5 Z .   A6I:HI :9>I>DC "6H
26I:G#:6I:GH
Q 'DLA:698DCI:CI.8:GI>;>:9
AA-6NE6@=:6I:GH6G:)6I>DC6AD6G9EEGDK:96C9
9:H><C8:GI>;>:96C9I:HI:97NI=:6C69>6C.I6C96G9H
HHD8>6I>DC . ;DG I=: 0. 6C9 6C696 68=
=:6I:G>H8DCHIGJ8I:9>C688DG96C8:L>I=.:8I>DC$1D;
I=: B:G>86C .D8>:IN D; (:8=6C>86A C<>C::GH
.( #:6I:G+G:HHJG:1:HH:AD9:6C97:6GHI=:
.( HI6BE/=:=:6I:G6AHD8DBEA>:HL>I=I=:A6I:HI
:9>I>DCD;.#- .I6C96G9
Installations at Elevation
-6I:9>CEJIH6G: HJ>I67A: ;DGJE ID;I :A:K6I>DC
L>I=DJI 9:G6I>C< DCHJAI I=: ;68IDGN ;DG >CHI6AA6I>DCH
6I6AI>IJ9:HDK:G;I67DK:H:6A:K:A
WAR I G: AI:G>C< 6CN -6NE6@ EG:HHJG: K:HH:A
7N >CHI6AA>C< G:EA68:B:CI =:6I :M8=6C<:GH IJ7:
7JC9A: =:69:GH DG 6CN .(  E6GIH CDI
B6CJ;68IJG:9 6C9DG 6EEGDK:9 7N -6NE6@ L>AA
>CHI6CIAN KD>9 I=: .(  6C9 . G6I>C<H D; I=:
K:HH:A 6C9 6CN -6NE6@ L6GG6CIN DC I=: K:HH:A
AI:G>C<I=:.( DG.G6I>C<HD;I=:K:HH:A6AHD
K>DA6I:HC6I>DC6AHI6I:6C9AD86A6EEGDK6A8D9:H


Component Locations
Fig. 1: Component Locations – Back
Fig. 2: Component Locations – Left Side
+6C:AHG:BDK:9;DG8A6G>IN
Fig. 3: Component Locations – Front


General Information
Quantity of Vent Size
(in.)
Model
No. Burners Gas
Valves Blowers Flue Intake
302B 6 1 1 5 6
402B 8 1 1 6 6
502B 10 2 1 6 6
652B 13 2 1 8 6
752B 15 2 1 8 6
902B 18 3 1 8 6
# Burners per
Valve Stages % Fire at
Stage
Model
No. 12312 12
302B 6 1100
402B 8 1100
502B 5 5 1 1, 2 50 100
652B 7 6 11,254100
752B 8 7 11,253100
902B 6 6 6 1, 2 1, 2, 3 66 100
Table A: Basic Data
Table B: Manifold Data
# Burners
per Valve
Valve
Staging
% Firing
at Stage
Model
No. 12*1 2 1 2
302B 4 2 1 1, 2 66 100
402B 5 3 1 1, 2 63 100
Table C: 2-Stage Design Option
16AK:>H>CH>9:I=:6>GEA:CJBDC#2#


GE ERAL SAFETY
/D B::I 8DBB:G8>6A =DI L6I:G JH: C::9H I=: =><=
A>B>IH6;:IN8DCIGDADCI=>HL6I:G=:6I:G>H69?JHI67A:JE
ID P! #DL:K:G L6I:G I:BE:G6IJG:H DK:G P!
86C86JH:>CHI6CIH:K:G:7JGCHDG9:6I=;GDBH86A9H
2=:C HJEEAN>C< <:C:G6A EJGEDH: =DI L6I:G I=: G:8
DBB:C9:9>C>I>6AH:II>C<;DGI=:I:BE:G6IJG:8DCIGDA>H
P!
.6;:IN6C9:C:G<N8DCH:GK6I>DC6G:;68IDGHID7:8DC
H>9:G:9 L=:C H:II>C< I=: L6I:G I:BE:G6IJG: DC I=:
I=:GBDHI6I /=: BDHI :C:G<N:;;>8>:CI DE:G6I>DC L>AA
G:HJAIL=:CI=:I:BE:G6IJG:H:II>C<>HI=:ADL:HII=6I
H6I>H;>:HI=:C::9HD;I=:6EEA>86I>DC
26I:G I:BE:G6IJG: DK:G P! 86C 86JH: >CHI6CI
H:K:G:7JGCHDG9:6I=;GDBH86A9H=>A9G:C9>H67A:9
6C9:A9:GAN6G:6I=><=:HIG>H@D;7:>C<H86A9:9
Q !::AL6I:G7:;DG:76I=>C<DGH=DL:G>C<
Q /:BE:G6IJG:A>B>I>C<K6AK:H6G:6K6>A67A:
(6M>BJB L6I:G I:BE:G6IJG:H D88JG ?JHI 6;I:G I=:
=:6I:GYH 7JGC:G =6H H=JI D;;/D 9:I:GB>C: I=: L6I:G
I:BE:G6IJG: 7:>C< 9:A>K:G:9 IJGC DC 6 =DI L6I:G
;6J8:I 6C9 EA68: 6 I=:GBDB:I:G >C I=: =DI L6I:G
HIG:6B6C9G:69I=:I=:GBDB:I:G
OTE: 2=:CI=>HL6I:G=:6I:G>HHJEEAN>C<<:C:G6A
EJGEDH: =DI L6I:G ;DG JH: 7N >C9>K>9J6AH 6
I=:GBDHI6I>86AAN8DCIGDAA:9B>M>C<K6AK:;DGG:9J8>C<
ED>CID; JH: L6I:GI:BE:G6IJG: >H G:8DBB:C9:9ID
G:9J8: I=: G>H@ D; H86A9 >C?JGN DCI68I 6 A>8:CH:9
EAJB7:G DG I=: AD86A EAJB7>C< 6JI=DG>IN ;DG ;JGI=:G
>C;DGB6I>DC
Water temperature over 125°F can
cau s e i nsta n t s e v e r e b u r n s o r d eath
from scalds.
Children, disabled, and elderly are
at highest risk of being scalded.
See instruction manual before set-
ting temperature at water heater.
Feel water before bathing or show-
ering.
Temperature limiting valves are
available, see manual.
Time/Temperature
Relationships in Scalds
/=: ;DAADL>C< 8=6GI 9:I6>AH I=: G:A6I>DCH=>E D; L6I:G
I:BE:G6IJG:6C9 I>B:L>I= G:<6G9ID H86A9>C?JGN 6C9
B6N 7: JH:9 6H 6 <J>9: >C 9:I:GB>C>C< I=: H6;:HI
L6I:GI:BE:G6IJG:;DGNDJG6EEA>86I>DCH
Water
Temp.
Time to Produce Serious
Burn
120°F More than 5 minutes
125°F 1-1/2 to 2 minutes
130°F About 30 seconds
135°F About 10 seconds
140°F Less than 5 seconds
145°F Less than 3 seconds
150°F About 1-1/2 seconds
155°F About 1 second
Table courtesy of The Shriners Burn Institute
Table D: Time to Produce Serious Burn


I STALLATIO
I STALLATIO
Installation Codes
$CHI6AA6I>DCHBJHI;DAADLI=:H:8D9:H
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G:<JA6I>DCH6C9DG9>C6C8:H
Q )6I>DC6A!J:A"6HD9:).$5)!+V
A6I:HI:9>I>DC)!"
Q )6I>DC6A A:8IG>86A D9: ).$)!+   A6I:HI
:9>I>DC) 
Q .I6C96G9 ;DG DCIGDAH 6C9 .6;:IN :K>8:H ;DG
JIDB6I>86AAN !>G:9 D>A:GH ).$.(  .
L=:CG:FJ>G:9.
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D9:  6C9 .    +6GI 

/=:I:BE:G6IJG:D;I=:L6I:G>CI=:=:6I:G86C7:G:<
JA6I:97NJH>C<I=:I:BE:G6IJG:8DCIGDAA:G/D8DBEAN
L>I= H6;:IN G:<JA6I>DCH I=: I:BE:G6IJG: 8DCIGDAA:G >H
H:I6II=:ADL:HIH:II>C<L=:CH=>EE:9;GDBI=:;68ID
GN
/D69?JHII=:L6I:GI:BE:G6IJG:>CH:GI6HB6AAHIG6><=I
H8G:L9G>K:G>CIDI=:69?JHIB:CIH8G:LDCI=:;GDCID;
I:BE:G6IJG: 8DCIGDAA:G 6C9 IJGC I=: L=::A ID I=:
9:H>G:9H:II>C<.::!><
CAUTIO : #DII:G L6I:G >C8G:6H:H I=: G>H@ D;
H86A9>C</=:G:>H 6=DI L6I:GH86A9 EDI:CI>6A>; I=:
I=:GBDHI6I>HH:IIDD=><=
Fig. 4: Temperature Controller
Equipment Base
/=:=:6I:GH=DJA97:BDJCI:9DC6A:K:AHIGJ8IJG6AAN
HDJC9HJG;68:/=:=:6I:G>H6EEGDK:9;DG>CHI6AA6I>DC
DC 6 8DB7JHI>7A: HJG;68: 7JI BJHI ) 1 - 7:
>CHI6AA:9DC86GE:I>C<"6H;J:A:9:FJ>EB:CI>CHI6AA:9
>C:C8ADH:9E6G@>C<<6G6<:HBJHI7:AD86I:96IA:6HI
>C67DK:I=:;ADDG
Stacking
#>:AI6JC>IH 86C7:HI68@:9 ILDJC>IH=><= L>I= 6C
DEI>DC6AHI68@>C<G68@HI68@>C<@>I>H6K6>A67A:;GDB
-6NE6@;DGI=>HINE:D;>CHI6AA6I>DC
CAUTIO : /=: =:6I:GH H=DJA9 7: AD86I:9 >C 6C
6G:6L=:G:L6I:GA:6@6<:L>AACDIG:HJAI>C96B6<:
ID I=: 6G:6 69?68:CI ID I=: 6EEA>6C8:H DG ID I=:
HIGJ8IJG:2=:CHJ8=AD86I>DCH86CCDI7:6KD>9:9>I
>H G:8DBB:C9:9 I=6I 6 HJ>I67A: 86I8= E6C
69:FJ6I:AN 9G6>C:9 7: >CHI6AA:9 JC9:G I=:
6EEA>6C8:/=:E6CBJHICDIG:HIG>8I6>G;ADL
REQUIRES OPTIONAL VENT TEE.
REQUIRES OPTIONAL VENT TEE IF VENTED OUT BACK
OF HEATER.
Fig. 5: Typical Stacked Installation


$C699>I>DCI=:=:6I:GH=6AA7:>CHI6AA:9HJ8=I=6II=:
<6H ><C>I>DC HNHI:B 8DBEDC:CIH 6G: EGDI:8I:9 ;GDB
L6I:G9G>EE>C< HEG6N>C<G6>C :I89JG>C< 6EEA>6C8:
DE:G6I>DC DG H:GK>8: 8>G8JA6IDG G:EA68:B:CI 8DCIGDA
G:EA68:B:CI:I8
Clearances
Indoor Installations
Heater
Side
Minimum Clearance
from Combustible
Surfaces
Recommended
Service
Clearance
Floor* 0” 0”
Rear 1” 6”
Water Side 12” 24”
Other Side 1” 24”
Top 1” 6”
Front Open 24”
Vent 2” 2”
Table E: Clearances – Indoor Installations
TOP VIEW
FRONT VIEW
Venting not shown for clarity. Heater must be vented
per instructions in this manual
Fig. 6: Minimum Clearances from Combustible
Surfaces – Indoor Installations
2=:C>CHI6AA:9688DG9>C<IDI=:A>HI:9B>C>BJB8A:6G
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8DCC:8I>DCH>9:/=>HL>AA6AADLI=:=:6I:GID7:H:GK
>8:9 >C >IH >CHI6AA:9 AD86I>DC L>I=DJI BDK:B:CI DG
G:BDK6AD;I=:=:6I:G
.:GK>8: 8A:6G6C8:H A:HH I=6C I=: B>C>BJBH B6N
G:FJ>G:G:BDK6AD;I=:=:6I:GIDH:GK>8::>I=:GI=:=:6I
:M8=6C<:GDGI=:7JGC:GIG6N$C:>I=:G86H:I=:=:6I:G
BJHI 7: >CHI6AA:9 >C 6 B6CC:G I=6I L>AA :C67A: I=:
=:6I:GID7: H:GK>8:9L>I=DJIG:BDK>C< 6CNHIGJ8IJG:
6GDJC9I=:=:6I:G
Outdoor Installations
/=:H:=:6I:GH6G:9:H><C8:GI>;>:9;DGDJI9DDG>CHI6AA6
I>DC#:6I:GHBJHICDI7:>CHI6AA:9JC9:G6CDK:G=6C<
I=6I>HA:HHI=6C;I;GDBI=:IDED;I=:=:6I:G/=G::
H>9:HBJHI 7: DE:C>C I=: 6G:6JC9:G I=: DK:G=6C<
-DD; L6I:G 9G6>C6<: BJHI 7: 9>K:GI:9 6L6N ;GDB
=:6I:GH>CHI6AA:9JC9:GDK:G=6C<H
Heater
Side
Min. Clearance
from Combustible
Surfaces
Recommended
Service
Clearance
Front Open 24”
Rear 12” 24”
Water Side 36” 36”
Other Side 36” 36”
Top Unobstructed Unobstructed
Vent N/A N/A
Table F: Clearances – Outdoor Installations
These clearances are required when the outdoor
vent cap is used. If installing the heater outdoors
with a vent stack, the indoor clearances may be
utilized.
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I=:?D7H>I:
*)*/>CHI6AADC86GE:I>C<


U.S. Installations
1 Canadian Installations 2
A Clearance above grade, veranda, porch,
deck, or balcony 1 ft (30 cm) 1 ft (30 cm)
B Clearance to window or door that may be
opened
4 ft (1.2m) below or to side
of opening; 1 foot (30 cm)
above opening
3 ft (91 cm)
C Clearance to permanently closed window * *
D
Vertical clearance to ventilated soffit located
above the terminal within a horizontal dis-
tance of 2 ft (61cm) from the centerline of the
terminal
5 ft (1.5m) *
E Clearance to unventilated soffit * *
F Clearance to outside corner * *
G Clearance to inside corner 6 ft (1.83m) *
H Clearance to each side of center line ex-
tended above meter/regulator assembly *
I Clearance to service regulator vent outlet * 6 ft (1.83m)
J
Clearance to non-mechanical air supply inlet
to building or the combustion air inlet to any
other appliance
4 ft (1.2m) below or to side
of opening; 1 ft (30 cm)
above opening
3 ft (91 cm)
K Clearance to mechanical air supply inlet 3 ft (91 cm) above if within
10 ft (3m) horizontally 6 ft (1.83m)
L Clearance above paved sidewalk or paved
driveway located on public property 7 ft (2.13m) 7 ft (2.13m) t
M Clearance under veranda, porch, deck or
balcony * 12 in. (30 cm) TT
1 In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Code
2 In accordance with the current CAN/CSA-B149 Installation Codes
t Vent terminal shall not terminate directly above sidewalk or paved driveway located between 2 single family dwellings that serves
both dwellings
TT Permittedonly if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor and top of terminal and
underside of veranda, porch, deck or balcony is greater than 1 ft (30cm)
* Clearancesinaccordance with local installation codes and the requirements of the gas supplier
3 ft (91 cm) within a
height 15 ft above the
meter/regulator assembly
Fig. 7: Minimum Clearances from Vent/Air Inlet Terminations – Indoor and Outdoor Installations
Table G: Vent/Air Inlet Termination Clearances


Fig. 8: Minimum Clearances from Combustible
Surfaces – Outdoor Installations
Combustion and Ventilation Air
Indoor Units
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Reversing Air Filter
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G><=I=6C9H>9:
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Direct Vent
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Direct-Ducted Combustion Air
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CAUTIO : DB7JHI>DC 6>G BJHI CDI 7:
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I=:EE:C9>M
OTE: $I >H G:8DBB:C9:9 I=6I I=: >CI6@: K:CI 7:
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I=:=:6I:G


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CDI9:H><C:9IDHJEEDGII=:6>G9J8I
TruSeal™ Combustion Air
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9J8I/GJ.:6A>H<:C:G6AANJH:9L=:C96B6<>C< 8DC
I6B>C6CIH6G:EG:H:CI>CI=:B:8=6C>86AGDDB
/GJ.:6A=:6I:G8DCC:8I>DCED>CIH6G:6K6>A67A:6H;DA
ADLH
 -><=IH>9:DCAN
ID ':;IH>9:HI6C96G9
-><=IH>9:DEI>DC6A
Conventional Combustion Air
Supply
U.S. Installations
All Air from Inside the Building
/=:8DC;>C:9HE68:H=6AA7:EGDK>9:9L>I=TWO E:G
B6C:CI DE:C>C<H 8DBBJC>86I>C< 9>G:8IAN L>I= 6C
699>I>DC6AGDDBHD;HJ;;>8>:CIKDAJB:HDI=6II=:8DB
7>C:9 KDAJB: D; 6AA HE68:H B::IH I=: 8G>I:G>6 ;DG 6
GDDBA6G<:>C8DBE6G>HDC)!"/=:IDI6A>CEJID;6AA
<6HJI>A>O6I>DC:FJ>EB:CI>CHI6AA:9>CI=:8DB7>C:9
CAUTIO : 0H: /GJ:.:6A 8DB7JHI>DC 6>G >;
96B6<>C< 6>G7DGC: 8DCI6B>C6CIH 6G: DG L>AA 7:
EG:H:CI >C I=: =:6I:G 6G:6 .:: I=: EE:C9>M
G:<6G9>C<6>G8DCI6B>C6I>DC
HE68: H=6AA 7: 8DCH>9:G:9 >C B6@>C< I=>H 9:I:GB>C6
I>DC 68=DE:C>C<H=6AA=6K:6B>C>BJB;G::6G:6D;
>CE:G/0#BBE:G@2D;I=:IDI6A
>CEJIG6I>C<D;6AA<6HJI>A>O6I>DC:FJ>EB:CI>CI=:8DC
;>C:9HE68:7JICDIA:HHI=6C>C8B*C:
DE:C>C<H=6AA8DBB:C8:L>I=>C>CBBD;I=:
IDE 6C9 DC: DE:C>C< H=6AA 8DBB:C8: L>I=>C  >C
 BB D; I=: 7DIIDB D; I=: :C8ADHJG: /=: B>C>
BJB9>B:CH>DCD;6>GDE:C>C<HH=6AA7:CDIA:HHI=6C
>CBB>C6CN9>G:8I>DC
All Air from Outdoors
/=: 8DC;>C:9 HE68: H=6AA 8DBBJC>86I: L>I= I=: DJI
9DDGH>C688DG96C8: L>I= DC:D; I=: B:I=D9H7:ADL
/=:B>C>BJB9>B:CH>DCD;6>GDE:C>C<HH=6AACDI 7:
A:HHI=6C>CBB>C6CN9>G:8I>DC2=:G:9J8IH
6G: JH:9 I=:N H=6AA 7: D; I=: H6B: 8GDHHH:8I>DC6A
6G:66HI=:C:I;G::6G:6D;I=:DE:C>C<HIDL=>8=I=:N
8DCC:8I
 Two permanent openings DC: 8DBB:C8>C<
L>I=>C  >C  BB D; I=: IDE 6C9 DC: 8DB
B:C8>C<L>I=>C  >C BB D;I=: 7DIIDBD;
I=: :C8ADHJG: H=6AA 7: EGDK>9:9 /=: DE:C>C<H
H=6AA 8DBBJC>86I: 9>G:8IAN DG 7N 9J8IH L>I= I=:
DJI9DDGHDGHE68:H8G6LADG6II>8I=6I;G::AN8DB
BJC>86I:L>I=I=:DJI9DDGH
6 2=:G: 9>G:8IAN 8DBBJC>86I>C< L>I= I=: DJI
9DDGH DG L=:G: 8DBBJC>86I>C< ID I=:
DJI9DDGHI=GDJ<=K:GI>86A9J8IH:68=DE:C>C<
H=6AA=6K: 6B>C>BJB;G:: 6G:6D; >CE:G
/0#BBE:G@2D;IDI6A>CEJI
G6I>C<D;6AA:FJ>EB:CI>CI=::C8ADHJG:
7 2=:G: 8DBBJC>86I>C< L>I= I=: DJI9DDGH
I=GDJ<= =DG>ODCI6A 9J8IH :68= DE:C>C< H=6AA
=6K:6B>C>BJB;G::6G:6D;>CE:G
/0# BBE:G @2D; IDI6A>CEJI G6I
>C<D;6AA:FJ>EB:CI>CI=::C8ADHJG:
 One permanent opening8DBB:C8>C<L>I=>C
>CBBD;I=:IDED;I=::C8ADHJG:H=6AA7:
E:GB>II:9L=:G:I=::FJ>EB:CI=6H8A:6G6C8:HD;
6IA:6HI>CBB;GDBI=:H>9:H6C9768@6C9
>CBB;GDBI=:;GDCID;I=:6EEA>6C8:/=:
DE:C>C< H=6AA 9>G:8IAN 8DBBJC>86I: L>I= I=: DJI
9DDGHDGH=6AA 8DBBJC>86I: I=GDJ<=6 K:GI>86A DG
=DG>ODCI6A 9J8I ID I=: DJI9DDGH DG HE68:H I=6I
;G::AN 8DBBJC>86I: L>I= I=: DJI9DDGH 6C9 H=6AA
=6K:6B>C>BJB;G::6G:6D;
6  >CE:G  /0#  BBE:G @2 D;
I=:IDI6A>CEJIG6I>C<D;6AA:FJ>EB:CIAD86I:9>C
I=::C8ADHJG:6C9
CAUTIO : /=>H INE: D; >CHI6AA6I>DC >H
G:8DBB:C9:9 >; 96B6<>C< 6>G7DGC: 8DCI6B>C6CIH
6G: DG L>AA 7: EG:H:CI >C I=: =:6I:G 6G:6 .:: I=:
EE:C9>MG:<6G9>C<6>G8DCI6B>C6I>DC


7 )DIA:HHI=6CI=:HJBD;I=:6G:6HD;6AAK:CI
8DCC:8IDGH>CI=:8DC;>C:9HE68:
WAR I G: D CDI JH: DC: E:GB6C:CI DE:C>C<
B:I=D9 >; I=: :FJ>EB:CI GDDB >H JC9:G C:<6I>K:
EG:HHJG: 8DC9>I>DCH DG I=: :FJ>EB:CI >H 8DBBDC
K:CI:9L>I=DI=:G<6H;>G:96EEA>6C8:H
 1:CI>A6I>DC D; I=: HE68: D88JE>:9 7N I=: =:6I:G
H=6AA7:EGDK>9:97N6CDE:C>C<H;DGK:CI>A6I>DC
6>G 6I I=: =><=:HI EG68I>86A ED>CI 8DBBJC>86I>C<
L>I=I=:DJI9DDGH/=:IDI6A8GDHHH:8I>DC6A6G:6D;
HJ8= 6C DE:C>C<H H=6AA 7: 6I A:6HI  D; I=:
6G:6G:FJ>G:9>C6C97:ADL7JI>CCD86H:
H=6AAI=:8GDHHH:8I>DC6A6G:67:A:HHI=6C>C
8B
 !DG=:6I:GHJH>C<676GDB:IG>896BE:G>CI=:K:CI
HNHI:B I=:G: H=6AA 7: 6 E:GB6C:CI 6>G HJEEAN
DE:C>C<H=6K>C<68GDHHH:8I>DC6G:6D;CDIA:HH
I=6C>CE:G/0#BBE:G@2JE
ID 6C9 >C8AJ9>C<  B>AA>DC /0# EAJH  >CE:G
 /0#  BBE:G @2 >C :M8:HH D; 
B>AA>DC /0# /=>H DE:C>C<H H=6AA 7: :>I=:G
AD86I:96IDG9J8I:9ID6ED>CICDIBDG:I=6C>C
BBCDGA:HHI=6C>CBB67DK:I=:
;ADDGA:K:A/=:9J8I86C6AHDW<DDH:C:8@XI=GDJ<=
I=:GDD;/=:9J8I>HEG:;:GG:9ID7:HIG6><=I9DLC
6C9I:GB>C6I:9>CBB;GDBI=:;ADDG7JI
CDI C:6G E>E>C< /=>H 6>G HJEEAN DE:C>C< G:FJ>G:
B:CI H=6AA 7: >C 699>I>DC ID I=: 6>G DE:C>C< ;DG
K:CI>A6I>DC6>GG:FJ>G:9>C67DK:
 !DG=:6I:GHCDIJH>C<676GDB:IG>896BE:G>CI=:
K:CIHNHI:B 6C9 L=:C6>G HJEEAN >HEGDK>9:9 7N
C6IJG6A6>G;ADL;GDBDJI9DDGH;DG6EDL:G 7JGC:G
6C9I=:G:>HCD9G6;IG:<JA6IDG9G6;I=DD9DGH>B>A6G
;AJ: <6H 9>AJI>DC 9:K>8: >CHI6AA:9 >C I=: H6B:
HE68:>C699>I>DCIDI=:DE:C>C<;DGK:CI>A6I>DC6>G
G:FJ>G:9>CI=:G:H=6AA7:6E:GB6C:CI6>GHJE
EANDE:C>C<H=6K>C<6IDI6A8GDHHH:8I>DC6A6G:6
CAUTIO : AA8DB7JHI>DC6>GBJHI7:9G6LC;GDB
I=:6>GDJIH>9:D;I=:7J>A9>C<I=:B:8=6C>86A:FJ>E
B:CI GDDB BJHI 8DBBJC>86I: 9>G:8IAN L>I= I=:
DJI9DDGH
D;CDIA:HHI=6C>C;DG:68=/0#BB
E:G@2 D; IDI6AG6I:9 >CEJID;I=: 7JGC:GH6C9
I=: AD86I>DC D; I=: DE:C>C<H H=6AA CDI >CI:G;:G:
L>I= I=: >CI:C9:9 EJGEDH: D; I=: DE:C>C<H ;DG
K:CI>A6I>DC 6>G G:;:GG:9 ID >C  /=>H DE:C>C<H
86C7:9J8I:9ID6ED>CICDIBDG:I=6C>C
BBCDGA:HHI=6C>CBB67DK:I=:;ADDG
A:K:A/=:9J8I86C6AHDW<DDH:C:8@XI=GDJ<=I=:
GDD;/=:9J8I>HEG:;:GG:9ID7:HIG6><=I9DLC
>CBB;GDBI=:;ADDG7JICDIC:6GE>E>C<
 -:;:GID I=: $CHI6AA6I>DC 8D9: ;DG699>I>DC6A
>C;DGB6I>DC
Water Piping
General
/=:=:6I:GH=DJA97:AD86I:9HDI=6I6CNL6I:GA:6@H
L>AACDI 86JH:96B6<: IDI=: 69?68:CI6G:6 DGHIGJ8
IJG:H
Reversing Water Connections
!DAADLI=:H:>CHIGJ8I>DCHID8=6C<:I=:L6I:G8DCC:8
I>DCH ;GDB I=: A:;I=6C9 H>9: HI6C96G9 ID I=:
G><=I=6C9H>9:
 >H8DCC:8I6AA:A:8IG>86AEDL:G;GDBI=:=:6I:G>;
6EEA>867A:
 '67:A6AA:A:8IG>86A8DCC:8I>DCH6C98DC9J>IA>C:H
/=>HB6N>C8AJ9:I=:;ADLHL>I8=ADLL6I:G8JID;;
EGD7:6C9DGEJBE
 >H8DCC:8IDG>HDA6I:I=:B6>C<6HE>E:;GDB I=:
=:6I:G>;6EEA>867A:
 -:BDK: 7DI= >CDJI 6C9 G:IJGC =:69:G 688:HH
E6C:AH7NG:BDK>C<6AAH=::IB:I6AH8G:LH
WAR I G: 6G:BJHI7:I6@:CID:CHJG:I=6II=:
:FJ>EB:CI GDDB >H CDI JC9:G C:<6I>K: EG:HHJG:
8DC9>I>DCH DG I=6I I=: :FJ>EB:CI >H CDI 8DBBDC
K:CI:9L>I=DI=:G<6H;>G:96EEA>6C8:H
OTE: !DG :;;>8>:C8N 7D>A:GH H:: HE:8>6A
>CHIGJ8I>DCHDCE6<:
CAUTIO : /=>H =:6I:G G:FJ>G:H ;DG8:9 L6I:G
8>G8JA6I>DCL=:CI=:7JGC:G>HDE:G6I>C<.::/67A:#
6C9 /67A: $ ;DG B>C>BJB 6C9 B6M>BJB ;ADL G6I:H
6C9 L6I:G EJBE H:A:8I>DC /=: EJBE BJHI 7:
>CI:GAD8@:9 L>I= I=: =:6I:G ID EG:K:CI =:6I:G
DE:G6I>DCL>I=DJIL6I:G8>G8JA6I>DC
OTE: (>C>BJBE>E:H>O:;DG>CDJI8DCC:8I>DCH>H
>C1:G>;NEGDE:G;ADLG6I:H6C9U/6H>CHIGJ8I:9>C
I=>HB6CJ6A
Canadian Installations


 -:BDK: 6AA EAJB7>C< ;>II>C<H ID I=: =:69:G /=>H
L>AA>C8AJ9:7DI=>CA:I6C9DJIA:IL6I:GE>E:JC>DCH
6C9I=:EG:HHJG:G:A>:;K6AK:6C99G6>CE>E>C<
 -:BDK: A>B>IH 8DCIGDA 7JA7H 6C9DG I=:GBD8DJ
EA:H
 -:BDK:I=:H>M;A6C<:CJIH6C9I=:>CDJI=:69:G
;GDBI=:A:;I=6C9H>9:
 -:BDK:I=:H>M;A6C<:CJIH6C9I=:G:IJGC=:69:G
;GDBI=:G><=I=6C9H>9:
 -:BDK: I=: =:69:G HIJ9 7DAIH ;GDB :68= IJ7:
H=::I
 -:K:GH: I=: =:69:GH 6C9 HIJ9 7DAIH ID I=: C:L
AD86I>DC
 $CHI6AA) 2G:97:K:A:9*G>C<H;AJH=6<6>CHI7DI=
IJ7:H=::IHL>I=I=:7:K:A;68>C<DJIL6G9
 +JH=I=:=:69:G;>GBAN6<6>CHII=:*G>C<H$CHI6AA
6C9I><=I:CI=:;A6C<:CJIHDCIDI=:HIJ97DAIHJCI>A
;>C<:GI><=I
 .ADLAN I><=I:C I=: ;A6C<: CJIH HI6GI>C< ;GDB I=:
8:CI:G CJI CJB7:G  >C !><  6C9 LDG@>C< H:
FJ:CI>6AAN6GDJC9I=:=:69:G6H>C9>86I:9/DGFJ:
6AACJIHID;IA7DO NOT OVER-TIGHTEN.
 -:GDJI: I=: 86E>AA6GNH L>G>C< :I8 ID I=: C:L
AD86I>DC 699>C< I=:GB6A E6HI: 6C9 H=>B ID I=:
86E>AA6GNL:AA
Fig. 9: Torque Sequence
Relief Valve Piping
WAR I G: +G:HHJG:G:A>:;K6AK:9>H8=6G<:E>E>C<
BJHI7:E>E:9C:6GI=:;ADDG6C98ADH:ID69G6>CID
:A>B>C6I:I=:EDI:CI>6AD;H:K:G:7JGCHDCDIE>E:
ID 6CN 6G:6 L=:G: ;G::O>C< 8DJA9 D88JG -:;:G ID
AD86A8D9:H
Hydrostatic Test
0CA>@:B6CNINE:HD;=:6I:GHI=>H=:6I:G9D:HCDIG:
FJ>G: =N9GDHI6I>8 I:HI>C< EG>DG ID 7:>C< EA68:9 >C
DE:G6I>DC/=:=:6I:M8=6C<:G=6H6AG:69N7::C;68
IDGNI:HI:96C9>HG6I:9;DGEH>DE:G6I>C<EG:HHJG:
#DL:K:G -6NE6@ 9D:H G:8DBB:C9 =N9GDHI6I>8 I:HI
>C<D;I=:E>E>C<8DCC:8I>DCHIDI=:=:6I:G6C9I=:G:HI
D; I=: HNHI:B EG>DG ID DE:G6I>DC /=>H >H E6GI>8JA6GAN
IGJ: ;DG =N9GDC>8 HNHI:BH JH>C< :ME:CH>K: <AN8DA
76H:9 6CI>;G::O: -6NE6@ G:8DBB:C9H 8DC9J8I>C<
I=: =N9GDHI6I>8 I:HI 7:;DG: 8DCC:8I>C< <6H E>E>C< DG
:A:8IG>86AHJEEAN
':6@HBJHI7:G:E6>G:96IDC8:IDEG:K:CI96B6<:ID
I=: =:6I:G ) 1 - JH: E:IGDA:JB76H:9 HIDEA:6@
8DBEDJC9H
/DE:G;DGB=N9GDHI6I>8I:HI
 DCC:8I;>AAL6I:G HJEEAN2>I=7A::9 K6AK:DE:C
;>AA=:6I:GL>I=L6I:G2=:CL6I:G;ADLH;GDB7A::9
K6AK:H=JID;;L6I:GADH:7A::9K6AK:6G:;JAAN
;>AAI=:G:HID;I=:HNHI:BB6@>C<HJG:ID:A>B>C6I:
6CN:CIG6EE:96>G7NJH>C<=><=ED>CIK:CIHADH:
;::9K6AK:/:HI6IHI6C96G9DE:G6I>C<EG:HHJG:;DG
6IA:6HI=DJGH
 (6@: HJG: 8DCHI6CI <6J<: EG:HHJG: =6H 7::C
B6>CI6>C:9I=GDJ<=DJII:HI
 =:8@;DGA:6@H-:E6>G>;;DJC9
Cold Water Operation
 =:6I:G DE:G6I:9 L>I= 6C >CA:I I:BE:G6IJG: D; A:HH
I=6CS!SBJHI=6K:6B6CJ6A7NE6HHDG6C
6EEGDK:9 ADLI:BE:G6IJG: DE:G6I>DC HNHI:B ID EG:
K:CI EGD7A:BH L>I= 8DC9:CH6I>DC B6CJ6A 7NE6HH
H=DLC>C!><BJHI7:E>E:9>CIDI=:HNHI:B6II=:
I>B: D; >CHI6AA6I>DC /=>H E>E>C< >H A>@: 6 EG>B6GNH:8
DC96GN7D>A:G >CHI6AA6I>DCL>I= 67NE6HH 68I>C<6H I=:
H:8DC96GN7D>A:GE>E>C<-6NE6@HIGDC<ANG:8DBB:C9H
I=6I I=:GBDB:I:GH 7: EA68:9 >CID I=: =:6I:G E>E>C<
C:MI ID I=: >CDJI =:69:G ID ;68>A>I6I: I:BE:G6IJG:
69?JHIB:CI $CA:I L6I:G I:BE:G6IJG:H 7:ADL S!
S86C:M8:HH>K:AN8DDA I=:EGD9J8IHD;8DB7JH
I>DCG:HJAI>C<>C8DC9:CH6I>DCDCI=:=:6I:M8=6C<:G
6C9>CI=:;AJ:
CAUTIO : 6B6<>C< >CI:GC6A 8DC9:CH6I>DC B6N
D88JG>;I=:=:6I:G>CA:IL6I:GI:BE:G6IJG:9D:HCDI
:M8::9S!SL>I=>CB>CJI:HD;HI6GIJE
OTE: .::-6NE6@6I6AD<)D;DG>C;DG
B6I>DCDCDA926I:G+GDI:8I>DC


!6>AJG:ID:M8::9S!SL>I=>CB>CJI:HB6N
G:HJAI>CI=:EG:B6IJG:;6>AJG:D;I=:=DIHJG;68:><C>I
:GG:BDI:;A6B:H:CHDG7JGC:GH6C9=:6I:M8=6C<:G
$I 86C 86JH: DE:G6I>DC6A EGD7A:BH 769 8DB7JHI>DC
HDDI>C< ;AJ: <6H HE>AA6<: 6C9 G:9J8:9 H:GK>8: A>;: D;
I=:K:CIHNHI:B/=:7NE6HH6AADLHE6GID;I=:=:6I:G
9>H8=6G<: L6I:G ID 7: B>M:9 L>I= I=: 8DDA:G =:6I:G
G:IJGC L6I:G ID >C8G:6H: I=: =:6I:G >CA:I I:BE:G6IJG:
67DK: S! S /=>H EG:86JI>DC6GN B:6HJG:
H=DJA9EG:K:CII=:EGD9J8IHD;8DB7JHI>DC;GDB8DC
9:CH>C<>CBDHI>CHI6AA6I>DCHWarranty claims will be
denied when condensation occurs.
DA9 L6I:G DE:G6I>DC >HHJ:H 6G: 6EEA>867A: ID 7DI=
8DA9L6I:GHI6GI6C98DA9L6I:GGJC6EEA>86I>DCHDA9
L6I:G DE:G6I>DC ;DG  B>CJI:H DG A:HH DC HI6GIJE >H
688:EI67A: 2=:G: 8DA9 L6I:G HI6GIH L>AA A6HI ADC<:G
I=6CB>CJI:HDGL=:G:8DA9L6I:GDE:G6I>DC>H8DC
I>CJDJH EGDK>H>DCH BJHI 7: B69: ID B>M =><=:G
I:BE:G6IJG: DJIA:I L6I:G L>I= I=: 8DA9:G >CA:I L6I:G
6C9 I=:G:7N G6>H: I=: >CA:I I:BE:G6IJG: ID 6I A:6HI
S!SL>I=>CI=:B>CJI:I>B:A>B>I
Cold Water Starts
!G:FJ:CIBDG:I=6CDC8:6 L::@8DA9L6I:GHI6GIH
L=:G:>C I=: >CA:I L6I:G I:BE:G6IJG: G:B6>CH 7:ADL
S!S;DGBDG:I=6CB>CJI:HBJHI=6K:8DA9
L6I:GHI6GIEGDI:8I>DC&CDLCEGDI:8I>DCB:I=D9H8DC
H>HID;B>M>C<=:6I:9DJIA:IL6I:GL>I=I=:>CA:IL6I:G
L>I=67NE6HHIDG6>H:I=:>CA:IIDS!SDG=><=
:G*C8:I=:HNHI:B>H=:6I:9JE6C9=6HG:IJGCL6I:G
I:BE:G6IJG:HD;S!SDG=><=:GI=:B>M>C<D;
DJIA:IL6I:GL>I=>CA:I L6I:G>HCDADC<:GC::9:9 6C9
I=:7NE6HH86C7:H=JID;;$;I=:7NE6HH>HCDIH=JID;;
6H I=: HNHI:B =:6IH JE I=: DJIA:I I:BE:G6IJG: B6N
8DCI>CJ: ID 8A>B7 6C9 68IJ6I: I=: =><= A>B>I I=:G:7N
H=JII>C< 9DLC I=: =:6I:G /=JH 6C 6JIDB6I>8 K6AK:
HNHI:B HJ8= 6H 6 I=G::L6N EGDEDGI>DC6A K6AK: DG 6
BD9JA6I>C< ILDL6N K6AK: ID 8DCIGDA I=: 7NE6HH
H=DJA97:JI>A>O:9
Cold Water Run
DA9L6I:GGJC9>;;:GH;GDB8DA9L6I:GHI6GI>CI=6II=:
HNHI:BL6I:G:CI:G>C<I=:=:6I:GG:B6>CH7:ADLS!
S8DCI>CJDJHAN/NE>86AANI=>H>HI=:86H:>CHL>B
B>C< EDDA =:6I>C< 6C9 L6I:G HDJG8: =:6I EJBE
6EEA>86I>DCH 6H L:AA 6H HDB: DI=:GH $; I=: HNHI:B
L6I:G>H@:EI>C6C6GGDLI:BE:G6IJG:G6C<:6E:GB6
C:CI B6CJ6A 7NE6HH 86C 7: :BEADN:9 6C9 B6CJ6AAN
69?JHI:9 ID 68=>:K: 6C >CA:I I:BE:G6IJG: D; S!
SDG =><=:GC>C?:8IDG EJBE 6GG6C<:B:CIB6N
6AHD 7: JI>A>O:9 ID @::E I=: =:6I:G ADDE 6I DG 67DK:
S! S C >C?:8IDG EJBE 6EEGD68= =6H I=:
699:9K6AJ:D;7:>C<67A:ID69?JHIID8=6C<:H>CI=:
HNHI:BL6I:G8DB>C<768@IDI=:=:6I:GI6@:D;;
Temperature & Pressure Gauge
/=: I:BE:G6IJG: 6C9 EG:HHJG: <6J<: >H ;68IDGN
BDJCI:9>CI=:>CDJI=:69:G
Hydronic Heating
Pump Selection
$CDG9:GID:CHJG:EGDE:GE:G;DGB6C8:D;NDJG=:6I:G
HNHI:BNDJBJHI>CHI6AA68DGG:8IANH>O:9EJBE-6N
E6@G:8DBB:C9HJH>C<6P!U/6H9:H><CU/U/>H
I=:I:BE:G6IJG:9>;;:G:C8:7:IL::CI=:>CA:I6C9DJI
A:IL6I:GL=:CI=:=:6I:G>H;>G>C<6I;JAAG6I:$;6U/
D; A6G<:G I=6C P! >H C:8:HH6GN H:: /67A: # 6C9
/67A:$;DG;ADLG6I:G:FJ>G:B:CIH
Table H: Heater Rates of Flow and Pressure Drops
10°F T 20°F T 30°F T 40°F T Min. Flow Max Flow
Model
No. gpm P (ft) gpm P (ft) gpm P (ft) gpm P (ft) gpm P (ft) T gpm P (ft) T
302B50 3.3 25 0.8N/AN/AN/AN/A 20 0.52590 9.8 6
402B67 5.8 34 1.4 22 0.6N/AN/A 20 0.5349010.07
502B84 9.1 42 2.3 28 1.1 21 0.6 21 0.6409010.49
652BN/AN/A 55 4.1 36 1.8 27 1.1 27 1.1409010.812
752BN/AN/A 63 5.7 42 2.6 32 1.5 32 1.5409011.314
902BN/AN/A 76 8.3 50 3.8 38 2.2 38 2.2409011.717
)DI:H 6H>H;DGB>C>BJB;ADL>H<EBDGP!U/6H>H;DGB6M>BJB;ADL>H<EB!ADLHL>I8=L>AACDIDE:G6I:>;;ADL>HA:HH
I=6C<EB
-:6GBDJCI:9EJBEHB6NEGDK>9:=><=:G;ADLG6I:HDCHB6AA:GBD9:AHI=6CI=:HNHI:BG:FJ>G:B:CIH
NOTE: $C9>K>9J6A 6C9 BJAI>7D>A:G DA9 26I:G .I6GI
HNHI:BHG:FJ>G:I=:JH:D;6°![/7D>A:GEJBE
NOTE: /D :CHJG: EGDE:G DE:G6I>DC JH: °! [/
7D>A:G;ADLG6I:HL=:C9:H><C>C<I=:=:6I>C<HNHI:B
ADDEEJBE


Pressure Drop in Feet of Head
Feedwater Regulator
-6NE6@G:8DBB:C9HI=6I6;::9L6I:GG:<JA6IDG7:>C
HI6AA:9 6C9 H:I 6I  EH> B>C>BJB EG:HHJG: 6I I=:
=><=:HI ED>CI D; I=: HNHI:B $CHI6AA 6 8=:8@ K6AK: DG
768@ ;ADL 9:K>8: JEHIG:6B D; I=: G:<JA6IDG L>I= 6
B6CJ6AH=JID;;K6AK:6HG:FJ>G:97NAD86A8D9:H
Piping
AA=><=ED>CIHH=DJA97:K:CI:9+JG<:K6AK:H6C96
7NE6HH K6AK: H=DJA9 7: >CHI6AA:9  =:6I:G >CHI6AA:9
67DK:G69>6I>DCA:K:ABJHI7:EGDK>9:9L>I=6ADLL6
I:G8JID;;9:K>8:H6A:HDG9:GDEI>DC!/=:=:6I:G
L=:CJH:9>C 8DCC:8I>DCL>I=6 G:;G><:G6I>DCHNHI:B
BJHI7:>CHI6AA:9HDI=6II=:8=>AA:9B:9>JB>HE>E:9>C
E6G6AA:AL>I=I=:=:6I:GL>I=6EEGDEG>6I:K6AK:HIDEG:
K:CII=:8=>AA:9B:9>JB;GDB:CI:G>C<I=:=:6I:G
/=:E>E>C<HNHI:BD;6=DIL6I:G=:6I:G8DCC:8I:9ID
=:6I>C<8D>AHAD86I:9>C6>G=6C9A>C<JC>IHL=:G:I=:N
B6N7::MEDH:9ID8>G8JA6I>C<G:;G><:G6I:96>GBJHI7:
:FJ>EE:9 L>I= ;ADL 8DCIGDA K6AK:H DG DI=:G 6JIDB6I>8
B:6CH ID EG:K:CI <G6K>IN 8>G8JA6I>DC D; I=: =:6I:G
L6I:G9JG>C<I=:8DDA>C<8N8A:$I>H=><=ANG:8DBB:C9
:9I=6II=:E>E>C<7:>CHJA6I:9
Air-Separation/Expansion Tank
AA=:6I:GHH=DJA97::FJ>EE:9L>I=6EGDE:GANH>O:9
:ME6CH>DC I6C@ 6C9 6>G H:E6G6IDG ;>II>C< 6H H=DLC >C
!><
Three-Way Valves
16AK:H 9:H><C:9 ID 7A:C9 L6I:G I:BE:G6IJG:H DG
G:9J8:L6I:G8>G8JA6I>DCI=GDJ<=I=:=:6I:GH=DJA9CDI
7:JH:9-6NE6@=:6I:GH6G:=><=G:8DK:GNADLB6HH
Fig. 10: Air-Separation/Expansion Tank
=:6I:GH L=>8= 6G: CDI HJ7?:8I ID I=:GB6A H=D8@
-6NE6@D;;:GH6;JAAA>C:D;:A:8IGDC>8H:FJ:C8:GHI=6I
EGD9J8: 9>G:8I G:H:I D; =:6I:G L6I:G I:BE:G6IJG:
-:;:GIDI=:DCIGDAHH:8I>DCD;I=:-6NE6@6I6AD<
Domestic Hot Water
2=:C9:H><C>C<I=:L6I:GE>E>C<HNHI:B;DG9DB:HI>8
=DIL6I:G6EEA>86I>DCHL6I:G=6G9C:HHH=DJA97:8DC
H>9:G:9/67A:$>C9>86I:HI=:HJ<<:HI:9;ADLG6I:H;DG
HD;I B:9>JB 6C9 =6G9 L6I:G 26I:G =6G9C:HH >H :M
EG:HH:9>C<G6>CHE:G<6AADC
NOTE: BYPASS FOR
LOW TEMP SYSTEMS ONLY
SYSTEM SENSOR
(HEAT PUMP)
12” MAX
OR MIN FEASIBLE
5’ MAX
5’ MAX
SYSTEM SENSOR
(4:1 TURNDOWN
OR GREATER)
Fig. 11: Single Heater - For Hydronic or Heat Pump
Primary/Secondary Piping
12” MAX
OR MIN FEASIBLE
SYSTEM SENSOR
(LESS THAN
4:1 TURNDOWN)
5’ MAX
5’ MAX
SYSTEM SENSOR
(4:1 TURNDOWN
OR GREATER)
Fig. 12: Dual Heaters (Reverse/Return)
with Primary/Secondary Piping


Potable Water and Space Heating
 AAE>E>C<B6I:G>6AH6C98DBEDC:CIH8DCC:8I:9ID
I=:L6I:G=:6I:G;DGI=:HE68:=:6I>C<6EEA>86I>DC
H=6AA7:HJ>I67A:;DGJH:L>I=EDI67A:L6I:G
 /DM>88=:B>86AHHJ8=6HJH:9;DG7D>A:GIG:6IB:CI
H=6AACDI7:>CIGD9J8:9>CIDI=:EDI67A:L6I:GJH:9
;DGHE68:=:6I>C<
 $;I=:=:6I:GL>AA7:JH:9IDHJEEANEDI67A:L6I:G
>IH=6AACDI7:8DCC:8I:9ID6CN=:6I>C<HNHI:BDG
8DBEDC:CIH EG:K>DJHAN JH:9 L>I= 6 CDCEDI67A:
L6I:G=:6I>C<6EEA>6C8:
CAUTIO : 2=:C I=>H =:6I:G >H JH:9 ;DG 7DI=
EDI67A: L6I:G 6C9 HE68: =:6I>C< D7H:GK: I=:
;DAADL>C<ID:CHJG:EGDE:GDE:G6I>DC
TANK SENSOR
Fig. 13: Single Domestic Hot Water Heater and Storage
Tank
Table I: Domestic Water Heater Flow Rate Requirements
 2=:CI=:HNHI:BG:FJ>G:HL6I:G;DGHE68:=:6I>C<
6II:BE:G6IJG:H=><=:GI=6CP!6B:6CHHJ8=
6H6B>M>C<K6AK:H=6AA7:>CHI6AA:9IDI:BE:GI=:
L6I:G>CDG9:GIDG:9J8:H86A9=6O6G9EDI:CI>6A
Pool Heating
/=:#>:AI6EDDA=:6I:G>H:FJ>EE:9L>I=6C:MI:GC6A
EJBE 6C9 7NE6HH 6GG6C<:B:CI 6H HI6C96G9 :FJ>E
B:CI /=>H 6GG6C<:B:CI 7A:C9H DJIA:I L6I:G L>I= I=:
>CA:I L6I:G ID >C8G:6H: I=: >CA:I L6I:G I:BE:G6IJG:
I=:G:7NG:9J8>C<I=:A>@:A>=DD9D;8DC9:CH6I>DC;DGB
>C<DCI=:=:6I:M8=6C<:G/=:EJBE6AHDH:GK:HID
8>G8JA6I:L6I:GI=GDJ<=I=:=:6I:G;GDBI=:B6>CHNH
I:BE>E>C<
/D8DBEA:I:I=:>CHI6AA6I>DCD;I=:EDDA=:6I:GI=:EDDA
I=:GBDHI6IC::9HID7:>CHI6AA:9>CI=:B6>CG:IJGCL6
I:GA>C: JEHIG:6B D;I=: =:6I:G/=>H L>AA:CHJG: I=6I
I=: =:6I:G L>AA 7: :C:G<>O:9 6I I=: G><=I I>B: $; I=:
B6>CL6I:GA>C:>HIDD;6G6L6N;GDBI=:=:6I:G6C9I=:
86E>AA6GN7JA7L>AACDIG:68=>IAD86I:I=:EDDAI=:GBD
HI6I69?68:CIIDI=:B6>CA>C:6C9GJCL>G:H768@IDI=:
=:6I:G
CAUTIO : +DL:G ID I=: =:6I:G H=DJA9 7:
>CI:GAD8@:9L>I=I=:B6>CHNHI:BEJBEIDB6@:HJG:
I=: =:6I:G 9D:H CDI ;>G: L>I=DJI I=: B6>C HNHI:B
EJBE >C DE:G6I>DC $BEGDE:G ;ADL 8DCIGDA 86C
96B6<: I=: =:6I:G 0C8DCIGDAA:9 ;ADL IDD =><= DG
G:HIG>8I:9 ;ADL IDD ADL 86C H:G>DJHAN 96B6<: I=:
=:6I:G!DAADLI=:H:>CHIGJ8I>DCHIDB6@:HJG:NDJG
=:6I:G>HEGDE:GAN>CHI6AA:9
U//:BE:G6IJG:G>H:P!
U++G:HHJG:9GDEI=GDJ<==:6I:M8=6C<:G;I
.#'.NHI:B=:69ADHH;I$C8AJ9:H:F;ID;IJ7>C<:68=L6NIDI6A:F;I
<EB"6AADCHE:GB>CJI:;ADLG6I:
(/.(>C>BJBIJ7>C<H>O:
(JHIJI>A>O:DEI>DC6A8JEGDC>8@:AIJ7:H$;DK:G<G6>CHE:G<6AADC6L6I:GHD;I:C:GIG:6IB:CIHNHI:BBJHI7:JI>A>O:9
Caution: !DGH86A:;G::DE:G6I>DCL>I=#6G926I:G<G6>CHE:G<6AADCD;IDI6A=6G9C:HHI=:DE:G6I>C<8DCIGDABJHI)*/7:
H:I=><=:GI=6CP!!DG=><=:GI=6CP!DE:G6I>DC6L6I:GHD;I:C:GIG:6IB:CIHNHI:BBJHI7:JI>A>O:9
Model
No.
Soft (0-4 grains per gallon) Medium (5-15 grains per gallon) Hard* (16-25 grains per gallon)
UT gpm UP MTS SHL UT gpm UP MTS SHL UT gpm UP MTS SHL
               
               
               
               
               
               


 I=:GBDHI6I>86AAN 8DCIGDAA:9 B>M>C< K6AK: >H JH:9 ID
B>MI=: DJIA:IL6I:G L>I=I=:EDDA L6I:G /=>HB>M:9
L6I:G>HHJEEA>:96HI=:>CA:IL6I:GIDI=:EDDA=:6I:G
/=: EGDE:G 8DC;><JG6I>DC >H H=DLC >C !><   /=:
68I>K::A:B:CID;I=:K6AK:69?JHIHI=:B>M>C<G6I>DID
B6>CI6>CI=:>CA:IL6I:G67DK:P!
MIXING VALVE
Fig. 14: Single Pool Heater Application
Automatic Chlorinators and Chemical
Feeders
AA 8=:B>86AH BJHI 7: >CIGD9J8:9 6C9 8DBEA:I:AN 9>
AJI:9>CIDI=:EDDADGHE6L6I:G7:;DG:7:>C<8>G8JA6I:9
I=GDJ<= I=: =:6I:G D CDI EA68: 8=ADG>C: I67A:IH DG
7GDB>C:HI>8@H>CI=:H@>BB:G#><=8=:B>86A8DC8:C
IG6I>DCHL>AAG:HJAIL=:CI=:EJBE>HCDIGJCC>C<:<
DK:GC><=I
=ADG>C6IDGHBJHI;::99DLCHIG:6BD;I=:=:6I:G6C9
=6K: 6C 6CI>H>E=DC>C< 9:K>8: ID EG:K:CI 8=:B>86A
768@JE>CIDI=:=:6I:GL=:CI=:EJBE>HH=JID;;
Winterizing Your Heater
#:6I:GH >CHI6AA:9 DJI9DDGH >C ;G::O>C< 8A>B6I: 6G:6H
H=DJA9 7: H=JI 9DLC ;DG I=: L>CI:G /D H=JI 9DLC
=:6I:GIJGCD;;B6CJ6AB6>C<6HK6AK:6C9B6>C<6H
H=JID;;ADH:>HDA6I>DCK6AK:H6C9G:BDK:L6I:GE>E
>C< ;GDB I=: >CDJI =:69:G DC I=: =:6I:G G6>C I=:
=:6I:G6C96CNE>E>C<D;6AAL6I:GI=6IB6N:ME:G>:C8:
7:ADL;G::O>C<I:BE:G6IJG:H
Pool/Spa Water Chemistry
Water Hardness
26I:G=6G9C:HH>HB6>CAN9J:IDI=:EG:H:C8:D;86A
8>JB6C9B6<C:H>JBH6AIH9>HHDAK:9>CI=:L6I:G/=:
8DC8:CIG6I>DCD;I=:H:H6AIH>H:MEG:HH:9>CB<AEEB
DG<G6>CHE:G<6AADC6H6B:6HJG:D;G:A6I>K:=6G9C:HH
D; L6I:G "G6>CH E:G <6AADC >H I=: 8DBBDC G:;:G:C8:
B:6HJG:B:CIJH:9>CI=:0.L6I:G=:6I:G>C9JHIGN
#6G9C:HH:MEG:HH:96HB<'DGEEBB6N7:9>K>9:9
7NID8DCK:GIID<G6>CHE:G<6AADC26I:GB6N7:
8A6HH>;>:96H K:GNHD;I HA><=IAN=6G9 BD9:G6I:AN=6G9
DG =6G9 76H:9 DC >IH =6G9C:HH CJB7:G /=: H6AIH >C
L6I:GL>AAEG:8>E>I6I:DJIL=:CI=:L6I:G>H=:6I:96C9
L>AA86JH:688:A:G6I:9A>B:6C9H86A:688JBJA6I>DCDC
6=:6IIG6CH;:GHJG;68:
Fig. 15: Mixing Valve Configuration
CAUTIO : DB7JHI>DC 6>G BJHI CDI 7:
8DCI6B>C6I:9 7N 8DGGDH>K: 8=:B>86A ;JB:H L=>8=
86C96B6<:I=:=:6I:G6C9KD>9I=:L6GG6CIN
OTE: #><= 8=:B>86A 8DC8:CIG6I:H ;GDB ;::9:GH
6C98=ADG>C6IDGHI=6I6G:DJID;69?JHIB:CIL>AA86JH:
K:GN G6E>9 8DGGDH>DC D; I=: =:6I :M8=6C<:G >C I=:
=:6I:G .J8= 96B6<: >H CDI 8DK:G:9 JC9:G I=:
L6GG6CIN
OT E: =:B>86A >B76A6C8: 86C 86JH: H:K:G:
96B6<:IDNDJG=:6I:G6C96HHD8>6I:9:FJ>EB:CI


-6NE6@ L6I:G =:6I:GH 86C DE:G6I: A>B:H86A:;G::
JH>C<EDI67A:L6I:GL>I=6=6G9C:HHCDI:M8::9>C<
<G6>CHE:G<6AADC+GDE:GDE:G6I>DC>H68=>:K:97NH:I
I>C<I=:I:BE:G6IJG:G>H:L6I:G;ADLE:GI=:<J>9:A>C:H
>C I=: >CHI6AA6I>DC >CHIGJ8I>DCH $; I=: =6G9C:HH D; I=:
L6I:G:M8::9HI=:B6M>BJBA:K:AD;<G6>CHE:G<6A
ADCHE:8>6AB:6HJG:HBJHI7:I6@:CID69?JHI;ADL6C9
I:BE:G6IJG:G>H:26I:GH=DJA97:HD;I:C:9ID6=6G9
C:HH A:K:A CD ADL:G I=6C  <G6>CH E:G <6AADC 26I:G
HD;I:C:9 6H ADL 6H  ID  <G6>C E:G <6AADC B6N 7:
JC9:GH6IJG6I:9 L>I= G:HE:8I ID 86A8>JB 86G7DC6I:
G:HJAI>C<>CL6I:GI=6I>H6<<G:HH>K:6C98DGGDH>K:
pH of Water
E#>H6B:6HJG:D;G:A6I>K:68>9>INC:JIG6A>INDG6A@6
A>C>IN>HHDAK:9B>C:G6AH6C9<6H:H6;;:8IL6I:GYHE#
/=:E#H86A:G6C<:H;GDBID26I:GL>I=6E#D;
>H8DCH>9:G:9C:JIG6A26I:GL>I=6E#ADL:GI=6C
>H8DCH>9:G:968>9>826I:GL>I=6E#=><=:GI=6C
>H8DCH>9:G:96A@6A>C:C:JIG6AE#6GDJC9>H9:H>G
67A: ;DG BDHI EDI67A: L6I:G 6EEA>86I>DCH DGGDH>DC
96B6<:6C9L6I:G=:6I:G;6>AJG:HG:HJAI>C<;GDBL6I:G
E#A:K:AHD;ADL:GI=6CDG=><=:GI=6C6G:CDCL6G
G6CI67A: /=: >9:6A E# G6C<: ;DG L6I:G JH:9 >C 6
HIDG6<:I6C@DG68DEE:GL6I:G=:6I:GHNHI:B>HID

Total Dissolved Solids
/DI6A9>HHDAK:9HDA>9H/.>HI=:B:6HJG:D;6AAB>C
:G6AH 6C9 HDA>9H I=6I 6G: 9>HHDAK:9 >C I=: L6I:G /=:
8DC8:CIG6I>DC D; IDI6A 9>HHDAK:9 HDA>9H >H JHJ6AAN :M
EG:HH:9 >C E6GIH E:G B>AA>DC EEB 6H B:6HJG:9 >C 6
L6I:G H6BEA: 26I:G L>I= 6 =><= /. 8DC8:CIG6I>DC
L>AA<G:6IAN688:A:G6I:A>B:6C9H86A:;DGB6I>DC>CI=:
=DIL6I:G HNHI:B (DHI=><=/. 8DC8:CIG6I>DCHL>AA
EG:8>E>I6I: DJI D; I=: L6I:G L=:C =:6I:9 /=>H 86C
<:C:G6I: 6 H86A: 688JBJA6I>DC DC I=: =:6I IG6CH;:G
HJG;68: I=6I L>AA <G:6IAN G:9J8: I=: H:GK>8: A>;: D; 6
L6I:G =:6I:G /=>H H86A: 688JBJA6I>DC 86C 6AHD
>BE:9:69:FJ6I:;ADLD;L6I:G6C9B6NIDI6AAN7AD8@
I=:L6I:GE6HH6<:H>CI=:IJ7:HD;I=:=:6I:M8=6C<
:G =:6I :M8=6C<:G I=6I >H 96B6<:9 DG 7AD8@:9 7N
A>B:H86A:688JBJA6I>DCBJHI7:G:EA68:9!6>AJG:D;6
L6I:G=:6I:G9J:IDA>B:H86A:7J>A9JEDCI=:=:6I>C<
HJG;68: >H CDCL6GG6CI67A: /=: B6CJ;68IJG:G D; I=:
L6I:G=:6I:G=6HCD8DCIGDAD;I=:L6I:GFJ6A>IN:HE:
8>6AAN I=: /. A:K:AH >C NDJG HNHI:B/DI6A 9>HHDAK:9
HDA>9H>C:M8:HHD;EEBL>AA688:A:G6I:A>B:6C9
H86A:;DGB6I>DC>CI=:=:6I:M8=6C<:G#:6I:M8=6C<
:G ;6>AJG: 9J: ID IDI6A 9>HHDAK:9 HDA>9H >C :M8:HH D;
 EEB >H 6 CDCL6GG6CI67A: 8DC9>I>DC -6NE6@
D;;:GH76H>8I:BE:G6IJG:<J>9:A>C:H;DGDE:G6I>DCD;6
EDI67A:L6I:G=:6I:GDCCDGB6AIDBD9:G6I:A:K:AHD;
=6G9C:HH 6C9HDA>9H 7JI A:K:AHD; =6G9C:HH 6C9IDI6A
9>HHDAK:9HDA>9H7:NDC9CDGB6AA>B>IH;DGDE:G6I>DCL>AA
G:FJ>G:HE:8>6AH:IJE6C9DE:G6I>DC
OTE: !6>AJG: D; 6 =:6I :M8=6C<:G 9J: ID A>B:
H86A: 7J>A9JE DC I=: =:6I>C< HJG;68: ADL E# DG
DI=:G8=:B>86A>B76A6C8:>HCDCL6GG6CI67A:
Table J: Water Chemistry
Recommended Level(s) Fiberglass Pools Fiberglass Spas Other Pool and Spa
Types
26I:G/:BE:G6IJG: P!P P!P P!P
E#   
/DI6AA@6A>C>INEEB   
6A8>JB#6G9C:HHEEB   
.6AIEEB (6M>BJB (6M>BJB (6M>BJB
!G::=ADG>C:EEB   
/DI6A>HHDAK:9.DA>9H
EEB (6M>BJB (6M>BJB (6M>BJB
!G::=ADG>C:MUST NOT EXCEED 5 ppm!
$CH6AIL6I:G8=ADG>C6I:9EDDAHI=:IDI6A/.86C7:6H=><=6HEEB
OTE: /=:6AADL67A:8DC8:CIG6I>DCHD;H6AI6C9D;I=:/DI6A>HHDAK:9.DA>9H6G:ADL:G;DGI=:#>:AI6I=6C
;DG6INE>86AG:H>9:CI>6AEDDA=:6I:G9J:IDI=:=><=:GL6I:GI:BE:G6IJG:H6IL=>8=6#>:AI6DE:G6I:H