4
TABLE OF 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 Plug.................................................................32
B.2 Vent Damper Troubleshooting Guide...............................................................33
P/N 240011107, Rev. D [04/04/2017]