Lennox GWB84-262E, Installation Instructions Manual

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1 - Dimensions ................................................................................ 4
2 - Safety Symbols And Warnings ...................................................... 5
3 - Locating The Boiler ..................................................................... 7
4 - Connecting Supply And Return Piping.............................................9
5 - Ventilation & Combustion Air ....................................................... 14
6 - Chimney And Vent Pipe Connection...............................................15
7 - Vent Damper Operation
..............................................................17
8 - Gas Supply Piping ...................................................................... 18
9 - Electrical Wiring ......................................................................... 19
10 - Wiring Diagram ........................................................................ 20
11 - General Instructions ................................................................. 21
12 - Lighting Instructions ................................................................. 22
13 - Operating Your Boiler ................................................................ 23
14 - Service Hints ........................................................................... 26
15 - Maintaining Your Boiler ............................................................. 27
16 - Boiler Ratings And Capacities ..................................................... 28
Appendix A - Control Function .......................................................... 29
Appendix A - Control Module ............................................................30
Appendix A-1 - Vent Damper Harness ................................................ 32
Appendix A-2 - Vent Damper Troubleshooting......................................33
TABLE OF CONTENTS
PN
240013089
Rev. A [09/30/2020]