GPC14H Installation Manual

2
TO THE INSTALLER........................................................2
SHIPPING INSPECTION ..............................................2
Checking Product Received.........................................2
Message to the Homeowner ........................................3
REPLACEMENT PARTS ...............................................3
Ordering Parts ................................................................3
IMPORTANT SAFETY INSTRUCTIONS .......................3
Recognize Safety Symbols, Words, and Labels.......3
CODES AND REGULATIONS .......................................3
General............................................................................3
EPA Regulations.............................................................4
National Codes ...............................................................4
MAJOR COMPONENTS ...............................................4
General............................................................................4
INSTALLATION ............................................................4
Pre-Installation Checkpoints ........................................4
Clearance........................................................................4
Location...........................................................................4
Outside Slab Installation (Figure 1) ............................4
Rooftop Installation (Figure 2) .....................................4
DUCTING ......................................................................5
Connecting the Return and Supply Flexible Duct in
Manufactured or Modular Housing Application........5
Plenum Application.......................................................5
Filters ...............................................................................6
PIPING .........................................................................6
Condensate Drain ..........................................................6
WIRING ........................................................................6
High Voltage Wiring ......................................................6
Low Voltage Wiring.......................................................6
Internal Wiring: ..............................................................7
OPERATION .................................................................7
Start-Up Procedure and Checklist...............................7
Heat Pump Start-Up Procedure ...................................7
HEAT PUMP REFRIGERANT CIRCUIT - FIGURE 7......8
Final System Checks .....................................................8
COMPONENTS ................................................................8
Contactor .........................................................................8
Crankcase Heater ..........................................................8
Condenser Motor............................................................8
Compressor .....................................................................8
Contactor Relay..............................................................9
Defrost Control................................................................9
Outdoor Thermostat ......................................................9
Reversing Valve Coil .....................................................9
Indoor Blower Motor .....................................................9
Blower Interlock Relay .................................................9
EXPLANATION AND GUIDANCE (HEAT PUMP) ...........9
DEFROST CONTROL ......................................................9
AIR FLOW MEASUREMENT AND ADJUSTMENT ......10
ADJUSTING SPEED TAP FOR INDOOR
BLOWER MOTOR .........................................................10
ELECTRIC HEAT INSTALLATION & ADJUSTMENT ... 11
MAINTENANCE ..............................................................12
SERVICE ........................................................................12
Inadequate Air Volume Through Indoor Coil..........12
Outside Air Into Return Duct ......................................12
Undercharge .................................................................12
Poor “Terminating” Sensor Contact.........................12
Malfunctioning Reversing Valve................................12
BLOWER PERFORMANCE GP* 13/14 SEER ....... 13-15
TROUBLESHOOTING CHART......................................16
WARNING
I NSTALLATION AND REPAIR OF THIS UNIT SHOULD BE
PERFORMED
ONLY BY INDIVIDUALS MEETING
THE REQUIREMENTS OF AN “E NTRY L EVEL T ECHNICIAN ” AS
SPECIFIED
BY THE A IR -C ONDITIONING , H EATING , AND
R EFRIGERATION I NSTITUTE (AHRI). A TTEMPTING TO
INSTALL
OR REPAIR THIS UNIT WITHOUT SUCH BACKGROUND MAY
RESULT
IN PRODUCT DAMAGE , PERSONAL INJURY OR DEATH .
(
AT A MINIMUM )
TO T HE I NSTALLER
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 pur-
chased 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 nec-
essary.
IMPORTANT NOTE: If a crankcase heater is used, the unit
should be energized 24 hours prior to compressor start up to
ensure crankcase heater has sufficiently warmed the com-
pressor. Compressor damage may occur if this step is not
followed.
Before using this manual, check the serial plate for proper
model identification.
The installation and servicing of this equipment must be
performed by qualified, experienced technicians only.
SHIPPING INSPECTION
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.