GPG14M Installation Manual

2
Index
Replacement Parts ................................................................................................................................................................................... 3
ORDERING PARTS ..................................................................................................................................................................................... 3
Safety Instructions .................................................................................................................................................................................... 3
Unit location ............................................................................................................................................................................................... 4
A
LL INSTALLATIONS: .................................................................................................................................................................................. 4
GROUND LEVEL INSTALLATIONS ONLY: ............................................................................................................................................................ 4
ROOFTOP INSTALLATIONS ONLY: .................................................................................................................................................................... 5
ROOF CURB INSTALLATIONS ONLY: ................................................................................................................................................................ 5
General Information .................................................................................................................................................................................. 6
TRANSPORTATION DAMAGE .......................................................................................................................................................................... 6
Rigging Details ........................................................................................................................................................................................... 6
Gas Piping .................................................................................................................................................................................................. 6
HIGH A LTITUDE DERATE (U.S. INSTALLATIONS ONLY) ....................................................................................................................................... 7
PIPING ................................................................................................................................................................................................... 7
GAS PIPING CHECKS ................................................................................................................................................................................. 8
Propane Gas Installations ......................................................................................................................................................................... 8
TANKS AND PIPING .................................................................................................................................................................................... 8
Electrical Wiring ........................................................................................................................................................................................ 9
THERMOSTAT LOCATION .............................................................................................................................................................................. 9
SINGLE STAGE THERMOSTAT ........................................................................................................................................................................ 9
UNIT VOLTAGE ....................................................................................................................................................................................... 10
HEAT ANTICIPATOR SETTING ...................................................................................................................................................................... 10
Circulating Air and Filters ....................................................................................................................................................................... 10
AIRFLOW CONVERSION ............................................................................................................................................................................ 10
DUCTWORK .......................................................................................................................................................................................... 11
FILTERS ................................................................................................................................................................................................ 11
Venting ..................................................................................................................................................................................................... 11
FLUE HOOD INSTALLATION ......................................................................................................................................................................... 11
Condensate Drain .................................................................................................................................................................................... 11
CONDENSATE DRAIN CONNECTION .............................................................................................................................................................. 11
Normal Sequences of Operation ............................................................................................................................................................ 12
HEATING ............................................................................................................................................................................................... 12
COOLING .............................................................................................................................................................................................. 12
FAN ONLY ............................................................................................................................................................................................. 12
Startup, Adjustments, and Checks ........................................................................................................................................................ 12
HEATING STARTUP ................................................................................................................................................................................... 12
GAS SUPPLY PRESSURE MEASUREMENT ....................................................................................................................................................... 14
GAS MANIFOLD PRESSURE MEASUREMENT AND ADJUSTMENT ........................................................................................................................... 15
COOLING STARTUP .................................................................................................................................................................................. 17
Troubleshooting ....................................................................................................................................................................................... 17
IGNITION CONTROL ERROR CODES .............................................................................................................................................................. 17
ABNORMAL OPERATION - HEATING .......................................................................................................................................................... 17
ABNORMAL OPERATION - COOLING .......................................................................................................................................................... 19
Maintenance ............................................................................................................................................................................................ 19
FILTER REPLACEMENT OR CLEANING ............................................................................................................................................................ 19
CABINET FINISH MAINTENANCE ................................................................................................................................................................... 19
CLEAN OUTSIDE COIL (QUALIFIED SERVICER ONLY) ...................................................................................................................................... 19
CONDENSER, EVAPORATOR, AND INDUCED DRAFT MOTORS .............................................................................................................................. 19
FLAME SENSOR (QUALIFIED SERVICER ONLY) ............................................................................................................................................... 19
FLUE PASSAGES (QUALIFIED SERVICER ONLY)............................................................................................................................................... 19
CLEANING FLUE PASSAGES (QUALIFIED SERVICER ONLY) ................................................................................................................................. 19
MAIN BURNER FLAME (QUALIFIED SERVICER ONLY) ....................................................................................................................................... 20
CLEANING BURNERS ................................................................................................................................................................................ 20
Accessories and Functional Parts ......................................................................................................................................................... 20
SHEET METAL A CCESSORIES ..................................................................................................................................................................... 20
FUNCTIONAL PARTS ................................................................................................................................................................................ 20
GENERAL INFORMATION ............................................................................................................................................................................ 20
APPENDIX ................................................................................................................................................................................................. 27
Unit Dimensions ...................................................................................................................................................................................... 27
Wiring Diagrams ...................................................................................................................................................................................... 28
Minimum Clearances .............................................................................................................................................................................. 34
Recommended Filter Sizes ..................................................................................................................................................................... 34