Instruction manual
2
Table of Contents
I. Component Identification ............................................................................................................................................ 5
II. Safety ............................................................................................................................................................................ 6
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS .................................................................................................................................... 6
III. Product Application ................................................................................................................................................... 6
IV. Location Requirements and Considerations .......................................................................................................... 7
GENERAL ............................................................................................................................................................................................................. 7
CLEARANCES AND ACCESSIBILITY ................................................................................................................................................................. 8
FURNACE SUSPENSION .................................................................................................................................................................................... 8
EXISTING FURNACE REMOVAL......................................................................................................................................................................... 8
THERMOSTAT LOCATION ................................................................................................................................................................................... 9
V. Combustion and Ventilation Air Requirements ....................................................................................................... 9
VI. Installation Positions ............................................................................................................................................... 11
VII. Horizontal Applications and Considerations ....................................................................................................... 11
GENERAL ........................................................................................................................................................................................................... 11
DRAIN TRAP AND LINES .................................................................................................................................................................................. 11
LEVELING ........................................................................................................................................................................................................... 11
ALTERNATE VENT/FLUE AND COMBUSTION AIR CONNECTIONS ............................................................................................................. 12
ALTERNATE ELECTRICAL AND GAS LINE CONNECTIONS .......................................................................................................................... 12
DRAIN PAN ......................................................................................................................................................................................................... 12
FREEZE PROTECTION ..................................................................................................................................................................................... 12
FURNACE SUSPENSION .................................................................................................................................................................................. 12
VIII. Propane Gas and/or High Altitude Installations ................................................................................................. 12
IX. Vent/Flue Pipe and Combustion Air Pipe .............................................................................................................. 12
GENERAL ........................................................................................................................................................................................................... 12
DUAL CERTIFICATION: NON-DIRECT/DIRECT VENT .................................................................................................................................... 13
MATERIALS AND JOINING METHODS ............................................................................................................................................................. 13
PROPER VENT/FLUE AND COMBUSTION AIR PIPING PRACTICES ............................................................................................................ 13
TERMINATION LOCATIONS .............................................................................................................................................................................. 13
CANADIAN VENTING REQUIREMENTS .......................................................................................................................................................... 14
STANDARD FURNACE CONNECTIONS .......................................................................................................................................................... 14
Vent/Flue Pipe ............................................................................................................................................................................................. 14
Combustion Air Pipe ................................................................................................................................................................................... 14
Direct Vent Installations............................................................................................................................................................................... 14
Non-Direct Vent Installations ....................................................................................................................................................................... 14
ALTERNATE FURNACE CONNECTIONS ......................................................................................................................................................... 15
Alternate Vent/Flue Location ....................................................................................................................................................................... 15
Alternate Combustion Air Intake Location ................................................................................................................................................... 16
NON-DIRECT VENT (SINGLE PIPE) PIPING .................................................................................................................................................... 17
Vent/Flue Pipe Lengths and Diameters ...................................................................................................................................................... 17
Vent/Flue Pipe Terminations ....................................................................................................................................................................... 17
DIRECT VENT (DUAL PIPE) PIPING ................................................................................................................................................................. 18
Vent/Flue and Combustion Air Pipe Lengths and Diameters ..................................................................................................................... 18
Vent/Flue and Combustion Air Pipe Terminations ...................................................................................................................................... 18
CONCENTRIC VENT TERMINATION ................................................................................................................................................................ 19
X. Condensate Drain Lines and Drain Trap ................................................................................................................ 19
GENERAL ........................................................................................................................................................................................................... 19
UPRIGHT INSTALLATIONS ................................................................................................................................................................................ 20
Standard Right or Left Side Drain Hose Connections ................................................................................................................................ 20
Alternate Vent/Flue Drain Hose Connections ............................................................................................................................................. 21
Upright Drain Trap Mounting (Left or Right Side Panel) ............................................................................................................................. 21
HORIZONTAL INSTALLATIONS ......................................................................................................................................................................... 22
Right Side Down.......................................................................................................................................................................................... 22
Left Side Down ............................................................................................................................................................................................ 22
Horizontal Drain Trap Mounting (Left or Right Side Panel) ......................................................................................................................... 23
XI. Electrical Connections ............................................................................................................................................ 23
WIRING HARNESS............................................................................................................................................................................................. 23
115 VOLT LINE CONNECTIONS ........................................................................................................................................................................ 23
24 VOLT THERMOSTAT WIRING ...................................................................................................................................................................... 24
115 VOLT LINE CONNECTION OF ACCESSORIES (HUMIDIFIER AND ELECTRONIC AIR CLEANER)..................................................... 25










