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I-RX-RG-RPV (09-19) PN1027501R0
TABLE OF CONTENTS
GENERAL INFORMATION .......................................................................................................................................3
Important Safety Information ..............................................................................................................................3
Warranty ................................................................................................................................................................ 3
Applicability ..........................................................................................................................................................4
Installation Codes ................................................................................................................................................4
Clearances ............................................................................................................................................................4
Dimensions ...........................................................................................................................................................4
Weights .................................................................................................................................................................7
Gas Connections .................................................................................................................................................. 8
INSTALLATION ......................................................................................................................................................... 8
Uncrating...............................................................................................................................................................8
Pre-Installation Checklist ....................................................................................................................................8
Reversing Airflow by Changing Direction of Heat Exchanger Air Baffles ......................................................8
Combustion Air Requirements ...........................................................................................................................9
Rigging and Mounting Furnace ........................................................................................................................11
Venting ................................................................................................................................................................11
Condensate Drain...............................................................................................................................................14
Duct Connections...............................................................................................................................................14
Duct Furnace Airflow Requirements ................................................................................................................16
Gas Piping and Pressures ................................................................................................................................. 19
Electrical Supply and Connections ..................................................................................................................21
Component Descriptions and Adjustments ....................................................................................................25
OPERATION ...........................................................................................................................................................30
Pre-Startup Checklist ......................................................................................................................................... 30
Startup Checklist ................................................................................................................................................ 31
Post-Startup Checklist .......................................................................................................................................31
MAINTENANCE ......................................................................................................................................................32
Maintenance Schedule .......................................................................................................................................32
Maintenance Procedures ...................................................................................................................................32
TROUBLESHOOTING ............................................................................................................................................35
INSTALLATION RECORD ......................................................................................................................................36