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INDEX
INTRODUCTION ........................................................... 2
Checking Product Received ......................................... 2
Message to the Homeowner ........................................ 2
Before Beginning Installation ...................................... 2
REPLACEMENT PARTS ............................................... 2
Ordering Parts ................................................................ 2
SERVICE PARTS DEPARTMENT ................................... 2
MPORTANT SAFETY INSTRUCTIONS ........................ 3
CODES AND REGULATIONS ....................................... 3
General ............................................................................ 3
EPA Regulations ............................................................. 3
National Codes ............................................................... 3
MAJOR COMPONENTS ............................................... 3
General ............................................................................ 3
INSTALLATION ............................................................ 3
Pre-Installation Checkpoints ........................................ 3
Clearance ........................................................................ 3
Location ........................................................................... 4
Outside Slab Installation (Figure 1) ............................ 4
Rooftop Installation (Figure 2) ..................................... 4
DUCTING ...................................................................... 4
Plenum Application ....................................................... 5
Filters ............................................................................... 5
PIPING ......................................................................... 5
Condensate Drain .......................................................... 5
WIRING ........................................................................ 5
High Voltage Wiring ...................................................... 6
Low Voltage Wiring ....................................................... 6
Internal Wiring ............................................................... 6
OPERATION ................................................................. 6
Start-Up Procedure and Checklist ............................... 6
Heat Pump Start-Up Procedure ................................... 7
Final System Checks ..................................................... 7
COMPONENTS ............................................................ 7
Contactor ......................................................................... 7
Crankcase Heater .......................................................... 7
Condenser Motor ............................................................ 7
Contactor Relay .............................................................. 7
Defrost Control ................................................................ 7
Outdoor Thermostat ...................................................... 7
Reversing Valve Coil ..................................................... 7
Indoor Blower Motor ..................................................... 8
Blower Interlock Relay ................................................. 8
EXPLANATION AND GUIDANCE (HEAT PUMP) .......... 8
HEAT PUMP REFRIGERANT CIRCUIT ......................... 8
DEFROST CONTROL ................................................... 9
AIR FLOW MEASUREMENT AND ADJUSTMENT ....... 9
BLOWER MOTOR ...................................................... 10
CHECKING CHARGE .................................................. 10
MAINTENANCE .......................................................... 11
Service ........................................................................... 11
Inadequate Air Volume Through Indoor Coil .......... 11
Outside Air Into Return Duct ...................................... 11
Undercharge ................................................................. 11
Poor "Terminating" Sensor Contact ......................... 11
Malfunctioning Reversing Valve................................ 11
TROUBLESHOOTING CHART ................................... 12
INTRODUCTION
Checking Product Received
Upon receiving the unit, inspect it for damage from shipment.
Claims for damage, either shipping or concealed, should
be filed immediately with the shipping company. Check the
unit model number, specifications, electrical characteristics
and accessories to determine if they are correct. In the
event an incorrect unit is shipped, it must be returned to
the supplier and must NOT be installed. The manufacturer
assumes no responsibility for installation of incorrectly
shipped units.
Message to the Homeowner
These instructions are addressed primarily to the installer;
however, useful maintenance information is included and
should be kept, after installation, for future reference.
Before Beginning Installation
Carefully read all instructions for the installation prior to
installing unit. Make sure each step or procedure is
understood and any special considerations are taken into
account before starting installation. Assemble all tools,
hardware and supplies needed to complete the installation.
Some items may need to be purchased locally. After
deciding where to install unit, closely look the location over
- both the inside and outside of home. Note any potential
obstacles or problems that might be encountered as noted
in this manual. Choose a more suitable location if
necessary.
REPLACEMENT PARTS
Ordering Parts
When reporting shortages or damages, or ordering repair
parts, give the complete unit model and serial numbers as
stamped on the unit's nameplate. Replacement parts for
this appliance are available through your contractor or local
distributor. For the location of your nearest distributor,
consult the white business pages, the yellow page section
of the local telephone book or contact:
SERVICE PARTS DEPARTMENT
GOODMAN MANUFACTURING COMPANY, L.P.
2550 NORTH LOOP WEST, SUITE 400
HOUSTON, TEXAS 77092
(713) 861 - 2500
2
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