4
TABLE OF CONTENTS
CONTENTS
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
7 - Vent System Modification
.................................................................................... 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
A.1 Installation Environment Considerations ................................................................
24
A.2 Electrical Connections .........................................................................................
24
A.3 Adjusting Settings ..............................................................................................
24
A.4 Display ..............................................................................................................
24
A.5 Operation ..........................................................................................................25
A.6 Boiler High Limit Temperature Controller ................................................................
27
A.8 Troubleshooting Error Codes ................................................................................
27
A.9 Intermittent Pilot ................................................................................................
30
B.1 Vent Damper Harness - Molex Plugs .....................................................................
32
B.2 Vent Damper Troubleshooting Guide ......................................................................
33
P/N IM-BWBB-01
[240011111 REV C, 03/31/2017]