2
Index
Replacement Parts ................................................................................................................................................................................... 3
ORDERING PARTS ..................................................................................................................................................................................... 3
Safety Instructions .................................................................................................................................................................................... 3
General Information .................................................................................................................................................................................. 6
T
RANSPORTATION DAMAGE .......................................................................................................................................................................... 6
Unit location ............................................................................................................................................................................................... 7
ALL INSTALLATIONS: .................................................................................................................................................................................. 7
GROUND LEVEL INSTALLATIONS ONLY: ............................................................................................................................................................ 7
R
OOFTOP INSTALLATIONS ONLY:.................................................................................................................................................................... 7
R
OOF CURB INSTALLATIONS ONLY: ................................................................................................................................................................ 8
Rigging Details ........................................................................................................................................................................................... 8
Gas Piping .................................................................................................................................................................................................. 8
HIGH A LTITUDE DERATE (U.S. INSTALLATIONS ONLY) ....................................................................................................................................... 8
PIPING ................................................................................................................................................................................................... 9
G
AS PIPING CHECKS ................................................................................................................................................................................. 9
Propane Gas Installations....................................................................................................................................................................... 10
TANKS AND PIPING .................................................................................................................................................................................. 10
Electrical Wiring ...................................................................................................................................................................................... 10
T
HERMOSTAT LOCATION ............................................................................................................................................................................ 10
SINGLE STAGE THERMOSTAT ...................................................................................................................................................................... 11
UNIT VOLTAGE ....................................................................................................................................................................................... 12
H
EAT ANTICIPATOR SETTING ...................................................................................................................................................................... 12
Circulating Air and Filters ....................................................................................................................................................................... 12
AIRFLOW CONVERSION ............................................................................................................................................................................ 12
DUCTWORK .......................................................................................................................................................................................... 12
FILTERS ................................................................................................................................................................................................ 13
Venting ..................................................................................................................................................................................................... 13
FLUE HOOD INSTALLATION ......................................................................................................................................................................... 13
Condensate Drain .................................................................................................................................................................................... 13
CONDENSATE DRAIN CONNECTION .............................................................................................................................................................. 13
Normal Sequences of Operation ............................................................................................................................................................ 13
HEATING ............................................................................................................................................................................................... 13
COOLING .............................................................................................................................................................................................. 14
FAN ONLY ............................................................................................................................................................................................. 14
Startup, Adjustments, and Checks ........................................................................................................................................................ 14
HEATING STARTUP ................................................................................................................................................................................... 14
GAS SUPPLY PRESSURE MEASUREMENT ....................................................................................................................................................... 15
G
AS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT ........................................................................................................................... 17
COOLING STARTUP .................................................................................................................................................................................. 19
Troubleshooting ....................................................................................................................................................................................... 19
IGNITION CONTROL ERROR CODES .............................................................................................................................................................. 19
A
BNORMAL OPERATION - HEATING .......................................................................................................................................................... 19
ABNORMAL OPERATION - COOLING .......................................................................................................................................................... 21
Maintenance ............................................................................................................................................................................................ 21
F
ILTER REPLACEMENT OR CLEANING ............................................................................................................................................................ 21
CABINET FINISH MAINTENANCE ................................................................................................................................................................... 21
CLEAN OUTSIDE COIL (QUALIFIED SERVICER ONLY) ...................................................................................................................................... 21
CONDENSER, EVAPORATOR, AND INDUCED DRAFT MOTORS .............................................................................................................................. 21
FLAME SENSOR (QUALIFIED SERVICER ONLY) ............................................................................................................................................... 21
FLUE PASSAGES (QUALIFIED SERVICER ONLY)............................................................................................................................................... 21
CLEANING FLUE PASSAGES (QUALIFIED SERVICER ONLY) ................................................................................................................................. 21
MAIN BURNER FLAME (QUALIFIED SERVICER ONLY) ....................................................................................................................................... 22
CLEANING BURNERS ................................................................................................................................................................................ 22
Accessories and Functional Parts ......................................................................................................................................................... 22
S
HEET METAL A CCESSORIES ..................................................................................................................................................................... 22
FUNCTIONAL PARTS ................................................................................................................................................................................ 22
GENERAL INFORMATION ............................................................................................................................................................................ 22
APPENDIX ................................................................................................................................................................................................. 29
Unit Dimensions ...................................................................................................................................................................................... 29
Wiring Diagrams...................................................................................................................................................................................... 30
Minimum Clearances .............................................................................................................................................................................. 36
Recommended Filter Sizes ..................................................................................................................................................................... 36
Start0Up Checklist .................................................................................................................................................................................. 38
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