2
Index
Replacement Parts ................................................................................................................................................................................... 3
O
RDERING PARTS ..................................................................................................................................................................................... 3
Safety Instructions .................................................................................................................................................................................... 3
I
MPORTANT NOTE TO THE OWNER REGARDING PRODUCT WARRANTY ................................................................................................................... 3
Unit location ............................................................................................................................................................................................... 4
A
LL INSTALLATIONS: .................................................................................................................................................................................. 4
GROUND LEVEL INSTALLATIONS ONLY: ............................................................................................................................................................ 4
R
OOFTOP INSTALLATIONS ONLY: .................................................................................................................................................................... 5
R
OOF CURB INSTALLATIONS ONLY: ................................................................................................................................................................ 5
General Information .................................................................................................................................................................................. 5
T
RANSPORTATION DAMAGE .......................................................................................................................................................................... 6
Rigging Details ........................................................................................................................................................................................... 6
Gas Piping .................................................................................................................................................................................................. 6
HIGH ALTITUDE DERATE (U.S. INSTALLATIONS ONLY) ....................................................................................................................................... 6
PIPING ................................................................................................................................................................................................... 6
G
AS PIPING CHECKS ................................................................................................................................................................................. 7
Propane Gas Installations ......................................................................................................................................................................... 8
TANKS AND PIPING .................................................................................................................................................................................... 8
Electrical Wiring ........................................................................................................................................................................................ 8
T
HERMOSTAT LOCATION .............................................................................................................................................................................. 8
U
NIT VOLTAGE ......................................................................................................................................................................................... 9
HEAT ANTICIPATOR SETTING ........................................................................................................................................................................ 9
Circulating Air and Filters ....................................................................................................................................................................... 10
AIRFLOW CONVERSION ............................................................................................................................................................................ 10
DUCTWORK .......................................................................................................................................................................................... 10
FILTERS ................................................................................................................................................................................................ 10
Venting ..................................................................................................................................................................................................... 11
FLUE HOOD INSTALLATION ......................................................................................................................................................................... 11
Condensate Drain .................................................................................................................................................................................... 11
C
ONDENSATE DRAIN CONNECTION .............................................................................................................................................................. 11
Normal Sequences of Operation ............................................................................................................................................................ 11
HEATING ............................................................................................................................................................................................... 11
COOLING .............................................................................................................................................................................................. 11
FAN ONLY ............................................................................................................................................................................................. 11
Startup, Adjustments, and Checks ........................................................................................................................................................ 11
HEATING STARTUP ................................................................................................................................................................................... 11
GAS SUPPLY PRESSURE MEASUREMENT ....................................................................................................................................................... 12
G
AS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT ........................................................................................................................... 13
COOLING STARTUP .................................................................................................................................................................................. 15
Troubleshooting ....................................................................................................................................................................................... 15
IGNITION CONTROL ERROR CODES .............................................................................................................................................................. 15
A
BNORMAL OPERATION - HEATING .......................................................................................................................................................... 15
ABNORMAL OPERATION - COOLING .......................................................................................................................................................... 16
Maintenance ............................................................................................................................................................................................ 16
F
ILTER REPLACEMENT OR CLEANING ............................................................................................................................................................ 16
CABINET FINISH MAINTENANCE ................................................................................................................................................................... 17
CLEAN OUTSIDE COIL (QUALIFIED SERVICER ONLY) ...................................................................................................................................... 17
C
ONDENSER, EVAPORATOR, AND INDUCED DRAFT MOTORS .............................................................................................................................. 17
FLAME SENSOR (QUALIFIED SERVICER ONLY) ............................................................................................................................................... 17
FLUE PASSAGES (QUALIFIED SERVICER ONLY) ............................................................................................................................................... 17
CLEANING FLUE PASSAGES (QUALIFIED SERVICER ONLY) ................................................................................................................................. 17
MAIN BURNER FLAME (QUALIFIED SERVICER ONLY) ....................................................................................................................................... 17
CLEANING BURNERS ................................................................................................................................................................................ 17
Accessories and Functional Parts ......................................................................................................................................................... 18
S
HEET METAL ACCESSORIES ..................................................................................................................................................................... 18
FUNCTIONAL PARTS ................................................................................................................................................................................ 18
GENERAL INFORMATION ............................................................................................................................................................................ 18
APPENDIX ................................................................................................................................................................................................. 26
Unit Dimensions ...................................................................................................................................................................................... 26
Wiring Diagrams ...................................................................................................................................................................................... 27
Minimum Clearances .............................................................................................................................................................................. 39
Recommended Filter Sizes ..................................................................................................................................................................... 39
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