CONTENTS
GENERAL INFORMATION ...............................................3
SPECIFIC UNIT INFORMATION ......................................4
DUCTWORK .....................................................................5
UPFLOW MODELS ...........................................................7
GAS PIPING .....................................................................8
ELECTRICAL POWER CONNECTION ............................9
ELECTRICAL CONTROL CONNECTIONS ....................10
COMBUSTION AIR AND VENT SYSTEM ......................11
HORIZONTAL VENT APPLICATIONS ...........................18
CONDENSATE PIPING ..................................................19
SAFETY CONTROLS .....................................................19
START-UP AND ADJUSTMENTS ..................................20
ACCESSORY CONNECTIONS ......................................24
FURNACE ACCESSORIES
.........................................25
FILTER PERFORMANCE ...............................................26
OPERATION AND MAINTENANCE ...............................26
TROUBLESHOOTING ....................................................30
FURNACE CONTROL DIAGNOSTICS ..........................30
WIRING DIAGRAM - UPFLOW MODELS ......................32
INSTALLATION
INSTRUCTION
CAUTION:READ ALL SAFETY GUIDES BEFORE YOU
START TO INSTALL YOUR FURNACE.
SAVE THIS MANUAL
TWO-STAGE DELUXE
HIGH-EFFICIENCY GAS-FIRED FURNACES
TUBULAR HEAT EXCHANGER SERIES
MODELS: P*XU / G9D-UP (UPFLOW)
60 - 120 MBH INPUT
035-17480-000 Rev. A (800)
