Installation Instructions

2
Contents
INTRODUCTION ............................................................................................................................................1
CHECKING PRODUCT RECEIVED..............................................................................................................1
REPLACEMENT PARTS ................................................................................................................................1
ORDERING PARTS ......................................................................................................................................................................... 1
IMPORTANT SAFETY INSTRUCTIONS.......................................................................................................1
RECOGNIZE SAFETY SYMBOLS, WORDS, AND LABELS ............................................................................................................ 1
GENERAL INFORMATION ............................................................................................................................1
CLEARANCES AND ACCESSIBILITY ............................................................................................................................................ 3
INSULATION .................................................................................................................................................................................. 3
INSTALLATION INSTRUCTIONS..................................................................................................................3
BLOWER WITH CASED EVAPORATOR COIL INSTALLATION ..................................................................................................... 3
UPFLOW INSTALLATION .............................................................................................................................................................. 3
COUNTERFLOW INSTALLATION .................................................................................................................................................. 3
HORIZONTAL INSTALLATION ....................................................................................................................................................... 4
ELECTRICAL CONNECTIONS .....................................................................................................................4
HIGH VOLTAGE WIRING ................................................................................................................................................................ 4
LOW VOLTAGE WIRING ................................................................................................................................................................ 5
MISCELLANEOUS ELECTRICAL ................................................................................................................................................... 5
THERMOSTAT CONNECTIONS ..................................................................................................................................................... 5
MBE MOTOR ................................................................................................................................................................................. 5
MOTOR SPEED ADJUSTMENT ..................................................................................................................................................... 5
DIPSWITCH FUNCTIONS .............................................................................................................................................................. 5
CFM DELIVERY .............................................................................................................................................................................. 5
THERMOSTAT “FAN ONLY” MODE ............................................................................................................................................... 6
CFM TRIM ADJUST ....................................................................................................................................................................... 6
HUMIDITY CONTROL ..................................................................................................................................................................... 6
TWO STAGE HEATING ................................................................................................................................................................... 6
THERMOSTAT WIRING .................................................................................................................................................................. 6
MBR MOTOR ................................................................................................................................................................................. 6
BLOWER PERFORMANCE DATA .................................................................................................................................................. 6
SINGLE STAGE COOLING WITH SINGLE OR TWO STAGE HEATING ...................................................9
HEAT PUMP WITH SINGLE OR TWO-STAGE HEATING (OPTIONS FOR EMERGENCY HEAT) ........10
TWO-STAGE COOLING WITH CONVENTIONAL TWO-STAGE THERMOSTAT ....................................13
HEAT PUMP WITH SINGLE OR TWO STAGE HEATING WITH CONVENTIONAL THERMOSTAT
(OPTIONS FOR EMERGENCY HEAT) .................................................................................................15
2 SPEED HEAT PUMP WITH SINGLE OR TWO-STAGE HEATING
(OPTIONS FOR EMERGENCY HEAT) WITH CONVENTIONAL TWO-STAGE THERMOSTAT.......17
TWO STAGE COOLING WITH CONVENTIONAL TWO STAGE THERMOSTAT
(ENCLOSED WITH ADD ON 1N006 DIODES)......................................................................................20
TSTWK01 KIT REQUIRED ..........................................................................................................................20
ENCODED TWO STAGE COOLING WITH GMC THERMOSTAT PART #CHET18-60 TSTWKO1 KIT
REQUIRED..............................................................................................................................................21
TROUBLESHOOTING ENCODED TWO STAGE COOLING THERMOSTATS OPTIONS ....................22