3
TABLE OF CONTENTS
1 - Physical Data ........................................................................................................................ 4
2 - Safety Symbols And Warnings ............................................................................................... 5
3 - Locating The Boiler ............................................................................................................... 7
.................................................................................................................. 7
................................................................................................... 7
3.3 Boiler Location Considerations ............................................................................................................ 8
4 - Connecting Supply And Return Piping ................................................................................... 9
4.1 Connection Locations ........................................................................................................................ 9
.........................................................................................................9
.................................................................................................................. 10
............................................................................................................................ 11
..................................................................................................... 11
.......................................................................................................................... 12
5- Ventilation & Combustion Air ............................................................................................... 19
6 - Vent System Modication .................................................................................................... 20
7 - Vent Installation ................................................................................................................. 21
....................................................................................................................... 21
................................................................................................................................. 21
........................................................................................................................ 21
7.4 Vent Pipe ....................................................................................................................................... 21
8 - Vent Damper Installation & Instructions ............................................................................. 22
................................................................................................................................. 22
9 - Connecting Gas Service ....................................................................................................... 24
9.1 General ......................................................................................................................................... 24
.............................................................................................................24
10 - Electrical ........................................................................................................................... 25
10.1 Electrical Wiring ............................................................................................................................ 25
.................................................................................................................. 25
11 - Wiring Diagrams .............................................................................................................. 26
12 - Lighting Instructions ......................................................................................................... 28
12.1
8
8
12.3 .......................................................................................... 28
13 - Normal Sequence Of Operation ......................................................................................... 29
13.1 General ....................................................................................................................................... 29
14 - General Maintenance And Care Instructions......................................................................30
.......................................................................................................................... 30
.......................................................................................................... 30
..................................................................................................................... 31
...................................................................................................................... 32
15 - Ratings And Capacities ...................................................................................................... 33
Appendix A - Control Function .................................................................................................. 34
........................................................................................................................... 34
Appendix B-1 - Vent Damper Installation ................................................................................. 38
Appendix B-2 - Vent Damper Harness ...................................................................................... 38
Appendix B-3 - Vent Damper Troubleshooting .......................................................................... 39
PN 240012889 Rev. A [07/31/2020]