Bryant BWBBAN000045 Instruction manual

Cast Iron Gas Boiler
For Forced Hot Water
INSTALLATION, OPERATION &
MAINTENANCE MANUAL
Models
BWBBAN000045
BWBBAN000070
BWBBAN000096
BWBBAN000120
BWBBAN000145
BWBBAN000170
BWBBAN000195
BWBBAN000245
BWBBAN000295
P/N IM-BWBB-01
[240011111 REV B, 6/30/2016]

2P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]
EXPLANATORY NOTES
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STANDARD EQUIPMENT:%RLOHU-DFNHW&DVW,URQ%RLOHU%DWWHU\+LJK/LPLW&RQWURO,QWHUPLWWHQW(OHFWULF,JQLWLRQ3LORW
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Table 1 - Ratings and Capacities
Model No.
Input
Mbh (1)
Heating
Capacity
Mbh (1)
Net AHRI
Rating Water
Mbh (2) **
AFUE Elect.
Ign.
High
Altitude
Input
Mbh (1)
No. Of
Burners
Recommended
Air Cushion Tank
(3)
Water
Content
(Gals.)
%:%%$1   32  40 1  
%:%%$1     63 2  
%:%%$1     86 2 30 
BWBBAN000120 120    108 3 30 
%:%%$1   103  130 3 30 
%:%%$1  140 122   4 30 
%:%%$1  160    4 30 
%:%%$1  201   220 30 
%:%%$1  242 210   6 60 
1 - RATINGS & DATA - NATURAL GAS & PROPANE GAS

3P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]
Table 2 - Dimensions
Model No. Natural Gas
Inlet*
Dimensions (Inches) Pump Size Supply &
Return Tappings
A B C D E F
BWBBAN000  ½" 11¼ ƙ 4Ɨ 20

/
16
4

/
16
1¼"
BWBBAN000  ½" Ɨ   Ɨ 20

/
16
4

/
16
1¼"
BWBBAN000  ½" Ɨ   Ɨ 20

/
16
4

/
16
1¼"
BWBBAN000 120 ½"  ò 6Ɨ 21

/
16


/
16
1¼"
BWBBAN000  ½"  ò 6Ɨ 21

/
16


/
16
1¼"
BWBBAN000  ½" ƚ 11
3
/
16
 Ɨ 21

/
16


/
16
1¼"
BWBBAN000  ½" ƚ 11
3
/
16
 Ɨ 21

/
16


/
16
1¼"
BWBBAN000  ¾” 26¾ 13
6
/
16
8Ɨ 22

/
16
6

/
16
1¼"
BWBBAN000  ¾” ƙ 

/
16
 Ɨ 22

/
16
8

/
16
1¼"
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2 - DIMENSIONS
Dimensions
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4
1 - Ratings & Data - Natural Gas & Propane Gas...........................................................2
2 - Dimensions .............................................................................................................3
3 - Installation Procedure ............................................................................................6
4 - Ventilation & Combustion Air ..................................................................................7
5 - Connecting Supply & Return Piping.........................................................................8
6 - Vent Installation ...................................................................................................14
9HQW6\VWHP0RGL¿FDWLRQ......................................................................................14
8 - Vent Damper Installation & Instructions...............................................................15
9 - Connecting Gas Service .........................................................................................16
10 - Electrical Section.................................................................................................17
11 - Wiring Diagram ...................................................................................................18
12 - Lighting Instructions...........................................................................................20
13 - Normal Sequence Of Operation ...........................................................................21
14 - General Instructions ...........................................................................................21
15 - Checking Gas Input Rate To Boiler ......................................................................23
Appendix A - Control Module 24
$,QVWDOODWLRQ(QYLURQPHQW&RQVLGHUDWLRQV 24
$(OHFWULFDO&RQQHFWLRQV 24
$$GMXVWLQJ6HWWLQJV 24
$'LVSOD\ 24
$2SHUDWLRQ 
$%RLOHU+LJK/LPLW7HPSHUDWXUH&RQWUROOHU 26
$7URXEOHVKRRWLQJ 26
$7URXEOHVKRRWLQJ(UURU&RGHV 26
$,QWHUPLWWHQW3LORW,JQLWLRQ6\VWHP9HUL¿FDWLRQ 
TABLE OF CONTENTS
P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]

5
SAFETY MESSAGES
NOTICE
8VHGWRDGGUHVVSUDFWLFHVQRWUHODWHGWRSHUVRQDO
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CAUTION
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!
WARNING
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!
DANGER
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!
Safety Symbols & Warnings
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IMPORTANT: Read the following instructions
COMPLETELY before installing!!
KEEP THIS MANUAL NEAR BOILER
RETAIN FOR FUTURE REFERENCE
WARNING
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P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]
CAUTION
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6
3 - INSTALLATION PROCEDURE
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Side
Front
P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]

7
Table 3 - Minimum Room Volume, Indoor Air Only*
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P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]

8
5 - CONNECTING SUPPLY & RETURN PIPING
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P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]

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P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]

10
5 - CONNECTING SUPPLY AND RETURN PIPING
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P/N IM-BWBB-01
[240011111 REV B, 06/30/2016]