PLEASE READ THIS MANUAL CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE BY A
SERVICE TECHNICIAN.
1 - Warnings And Safety Symbols ..........................................................................................................................3
2 - Furnace Dimensions And Clearance To Combustibles ....................................................................................6
3 - Installation Requirements ................................................................................................................................7
4 - Furnace Sizing ....................................................................................................................................................9
5 - Location Of Unit ...............................................................................................................................................10
6 - Combustible Clearances .................................................................................................................................12
7 - Duct Work .........................................................................................................................................................12
8 - Ventilation And Combustion Air .....................................................................................................................13
9 - Venting And Combustion Air Piping ..............................................................................................................14
10 - Non-Direct Vent Furnace Installations (Using Indoor Combustion Air) ....................................................15
11 - Determining Combustion Air ........................................................................................................................15
12 - Venting Guidelines ........................................................................................................................................18
13 - Terminations ..................................................................................................................................................22
14 - Vent Clearances .............................................................................................................................................26
15 - Vent And Draining Options - Upfl ow ............................................................................................................29
16 - Condensate Drains ........................................................................................................................................33
17 - Gas Supply And Piping ..................................................................................................................................34
18 - Conversions ....................................................................................................................................................36
19 - Electrical Specifi cations .................................................................................................................................39
20 - Low Voltage Wiring .......................................................................................................................................41
21 - Optional Accessories (Field Supplied/Installed) ..........................................................................................42
22 - Startup Procedures ........................................................................................................................................42
23 - Air Flow ...........................................................................................................................................................44
24 - Maintenance And Troubleshooting .............................................................................................................47
25 - Troubleshooting Flowchart ..........................................................................................................................50
26 - Diagnostic Codes For Status Led ..................................................................................................................51
27 - Wire Diagram For Two Stage Furnace With ECM .........................................................................................53
28 - Venting Checklist ...........................................................................................................................................54
29 - Replacement Parts List ..................................................................................................................................55
TABLE OF CONTENTS
2