Maytag Amana PC1336M41 User manual

*NOTE: Please contact your distributor or our
website for the applicable Specification Sheets
referred to in this manual.
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.
ATTENTION INSTALLING PERSONNEL
Prior to installation, thoroughly familiarize yourself with this Installation Manual. Observe all safety warnings. During
installation or repair, caution is to be observed.
It is your responsibility to install the product safely and to educate the customer on its safe use.
These installation instructions cover the outdoor
installation of self contained package air conditioners
and heating units. See the Specification Sheets
applicable to your model for information regarding
accessories. Goodman Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com www.amana-hac.com
©2010-2013 Goodman Company, L.P.
I NSTALLATION I NSTRUCTIONS
F OR S ELF -C ONTAINED P ACKAGE
A IR C ONDITIONERS AND H EAT P UMP U NITS
*PC/*PH 13 SEER “M” SERIES
W
ITH R-410A
IO-395E
7/2013 is a registered trademark of Maytag Corporation or its related companies and is used under
license to Goodman Company, L.P., Houston, TX. All rights reserved.

2
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 )
TOTHE INSTALLER
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 in-
stallation. 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.
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 compres-
sor. Compressor damage may occur if this step is not fol-
lowed.
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.
INDEX
TOTHE INSTALLER ................................................2
SHIPPING INSPECTION..........................................3
REPLACEMENT PARTS..........................................3
ORDERING PARTS ..................................................3
SAFETY INSTRUCTIONS........................................3
CODES AND REGULATIONS ..................................3
EPAREGULATIONS ................................................4
NATIONAL CODES ..................................................4
MAJOR COMPONENTS ..........................................4
PRE-INSTALLATION CHECKS................................4
CLEARANCES AND ACCESSIBILITY ..............................4
UNIT LOCATION ......................................................4
GROUND LEVEL PRE-INSTALLATION DETAILS ...............4
ROOF TOP PRE-INSTALLATION DETAILS .....................4
ROOF CURB INSTALLATIONS ONLY ............................5
RIGGING DETAILS ..................................................5
CIRCULATING AIR AND FILTERS...........................5
AIRFLOW CONVERSION ...........................................5
DUCT WORK ..........................................................6
FILTERS ...............................................................6
PIPING.......................................................................6
CONDENSATE DRAIN ...............................................6
WIRING......................................................................7
HIGH VOLTAGE WIRING ...........................................7
LOW VOLTAGE WIRING ............................................7
INTERNAL WIRING ...................................................8
STARTUP, ADJUSTMENTS, AND CHECKS ...........8
START-UPPROCEDURE AND CHECKLIST .....................8
HEAT PUMP START-UPPROCEDURE ..........................8
FINAL SYSTEM CHECKS ..........................................8
COMPONENTS ........................................................9
CRANKCASE HEATER ..............................................9
CONDENSER MOTOR ..............................................9
COMPRESSOR .......................................................9
CONTACTOR RELAY ................................................9
DEFROST CONTROL................................................9
OUTDOOR THERMOSTAT ..........................................9
REVERSING VALVE COIL .........................................9
INDOOR BLOWER MOTOR ........................................9
BLOWER INTERLOCK RELAY .....................................9
HEAT PUMP OPERATION .......................................9
COOLING CYCLE ...................................................9
HEATING CYCLE ....................................................9
DEFROST CONTROL..............................................10
SUGGESTED FIELD TESTING/TROUBLE SHOOTING ......10
AIRFLOW MEASUREMENT AND ADJUSTMENT ...............10
SPEED TAP ADJUSTMENTS
FOR INDOOR BLOWER MOTOR ...........................12
REFRIGERANT CHARGE CHECKS.............................12
ELECTRICAL ADJUSTMENTS..............................12
MAINTENANCE ......................................................13
SERVICE ............................................................13
INADEQUATE AIR VOLUME THROUGH INDOOR COIL .....13
OUTSIDE AIR INTO RETURN DUCT ..........................13
UNDERCHARGE ....................................................13
POOR “TERMINATING” SENSOR CONTACT ................13
MALFUNCTIONING REVERSING VALVE -
THIS MAY BE DUE TO: .......................................13
TROUBLESHOOTING CHART .............................14
APPENDIX...............................................................15
UNIT DIMENSIONS................................................15
MINIMUM CLEARANCES ......................................16
RECOMMENDED FILTER SIZES..........................16

3
SHIPPING INSPECTION
Uponreceiving the unit, inspect itfor damagefrom shipment. Claims
fordamage,eithershipping or concealed,shouldbefiled immediately
withthe shippingcompany.Check theunit modelnumber,specifica-
tions, 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 manufac-
turer assumes no responsibility for installation of incorrectly
shipped units.
REPLACEMENT PARTS
ORDERINGPARTS
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:
CONSUMERAFFAIRS
GOODMANMANUFACTURINGCOMPANY,L.P.
7401SECURITY WAY
HOUSTON,TEXAS 77040
877-254-4729
SAFETY INSTRUCTIONS
The following symbols and labels are used throughout this manual
to indicate immediate or potential safety hazards. It is the owner’s
and installer’s responsibility to read and comply with all safety
information and instructions accompanying these symbols. Fail-
ure to heed safety information increases the risk of personal injury,
property damage, and/or product damage.
WARNING
DO NOT CONNECT TO OR USE ANY DEVICE THAT IS NOT DESIGN-CERTIFIED
BY GOODMAN FOR USE WITH THIS UNIT. SERIOUS PROPERTY DAMAGE,
PERSONAL INJURY, REDUCED UNIT PERFORMANCE AND/OR HAZARDOUS
CONDITIONS MAY RESULT FROM THE USE OF SUCH NON-APPROVED DEVICES.
WARNING
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING
THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE
TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR
DEATH.
WARNING
CONNECTING UNIT DUCT WORK TO UNAUTHORIZED HEAT PRODUCING DEVICES
SUCH AS A FIREPLACE INSERT, STOVE, ETC. MAY RESULT IN PROPERTY
DAMAGE, FIRE, CARBON MONOXIDE POISONING, EXPLOSION, PERSONAL
INJURY OR DEATH.
WARNING
THIS PRODUCT CONTAINS OR PRODUCES A CHEMICAL OR CHEMICALS WHICH
MAY CAUSE SERIOUS ILLNESS OR DEATH AND WHICH ARE KNOWN TO THE
STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER
REPRODUCTIVE HARM.
WARNING
TO AVOID PROPERTY DAMAGE, PERSONAL INJURY OR DEATH, DO NOT USE
THIS UNIT IF ANY PART HAS BEEN UNDER WATER. IMMEDIATELY CALL A
QUALIFIED SERVICE TECHNICIAN TO INSPECT THE FURNACE AND TO REPLACE
ANY PART OF THE CONTROL SYSTEM AND ANY GAS CONTROL HAVING BEEN
UNDER WATER.
WARNING
TO PREVENT THE RISK OF PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH,
DO NOT STORE COMBUSTIBLE MATERIALS OR USE GASOLINE OR OTHER
FLAMMABLE LIQUIDS OR VAPORS IN THE VICINITY OF THIS APPLIANCE.
CODES AND REGULATIONS
The *PC/*PH M-series air conditioners and heat pumps are de-
signed for OUTDOOR USE ONLY. *PH M-Series is available in
cooling capacities of 2, 2-1/2, 3, 3-1/2, 4 and 5 nominal tons of
cooling. *PC M-Series is available in cooling capacities of 3, 4
and 5 nominal tons of cooling. Optional field installed heat kits are
available in 5, 8, 10, 15 and 20 kW. The units can be easily in-
stalled in manufactured or modular homes with existing high-
static duct work. The units can also be easily converted to accom-
modate a plenum for normal or low-static applications. The *PC/
*PH M-series are self contained packaged units so the only con-
nections needed for installation are the supply and return ducts,
the line and low voltage wiring and drain connection. Rated per-
formance is achieved after 72 hours of operation. Rated perfor-
mance is delivered at the specified airflow. See outdoor unit speci-
fication sheet for split system models or product specification
sheet for packaged and light commercial models. Specification
sheets can be found at www.goodmanmfg.com for Goodman®
brand products or www.amana-hac.com for Amana®brand prod-
ucts. Within either website, please select the residential or com-
mercial products menu and then select the submenu for the type
of product to be installed, such as air conditioners or heat pumps,
to access a list of product pages that each contain links to that
model’s specification sheet.

4
The information on the rating plate is in compliance with the FTC
& DOE rating for single phase units. The efficiency ratings of
these units are a product of thermal efficiency determined under
continuous operating conditions independent of any installed
system.
EPAREGULATIONS
IMPORTANT: THE UNITED STATES ENVIRONMENTAL PROTECTION
AGENCY (EPA) HAS ISSUED VARIOUS REGULATIONS REGARDING
THE INTRODUCTION AND DISPOSAL OF REFRIGERANTS IN THIS UNIT.
FAILURE TO FOLLOW THESE REGULATIONS MAY HARM THE
ENVIRONMENT AND CAN LEAD TO THE IMPOSITION OF SUBSTANTIAL
FINES.BECAUSE REGULATIONS MAY VARY DUE TO PASSAGE OF NEW
LAWS, WE SUGGEST ACERTIFIED TECHNICIAN PERFORM ANY WORK
DONE ON THIS UNIT. SHOULD YOU HAVE ANY QUESTIONS PLEASE
CONTACT THE LOCAL OFFICE OF THE EPA.
NATIONAL CODES
This product is designed and manufactured to permit installa-
tion in accordance with National Codes. It is the installer’s re-
sponsibility to install the product in accordance with National
Codes and/or prevailing local codes and regulations.
MAJOR COMPONENTS
The unit includes a hermetically sealed refrigerating system (con-
sisting of a compressor, condenser coil, evaporator coil with
flowrator), an indoor blower, a condenser fan and all necessary
internal electrical wiring. The heat pump also includes a revers-
ing valve, solenoid, defrost thermostat and control and loss of
charge protection. The system is factory-evacuated, charged and
performance tested. Refrigerant amount and type are indicated
on rating plate.
PRE-INSTALLATION CHECKS
Before attempting any installation, the following points should
be considered:
• Structural strength of supporting members
• Clearances and provision for servicing
• Power supply and wiring
• Air duct connections
• Drain facilities and connections
• Location may be on any four sides of a home,
manufactured or modular, to minimize noise
CLEARANCESAND ACCESSIBILITY
The unit is designed to be located outside the building with un-
obstructed condenser air inlet and discharge. Additionally, the
unit must be situated to permit access for service and installa-
tion. Condenser air enters from three sides. Air discharges
upward from the top of the unit. Refrigerant gauge connections
are made on the right side of the unit as you face the compressor
compartment. Electrical connections can be made either on the
right, bottom or duct panel side of the unit. The best and most
common application is for the unit to be located 10” from wall (4”
minimum) with the connection side facing the wall. This “close
to the wall” application minimizes exposed wiring.
Close to the wall application assures free, unobstructed air to the
other two sides. In more confined application spaces, such as
corners provide a minimum 12” clearance on all air inlet sides.
Allow 36” minimum for service access to the compressor com-
partment and controls. The top of the unit should be completely
unobstructed. If units are to be located under an overhang, there
should be a minimum of 48” clearance and provisions made to
deflect the warm discharge air out from the overhang.
UNIT LOCATION
Consider the affect of outdoor fan noise on conditioned space and
any adjacent occupied space. It is recommended that the unit be
placed so that condenser air discharge does not blow toward
windows less than 25 feet away. Consideration should also be
given to shade and unit appearance.
Heat pumps require special location consideration in areas of
heavy snow accumulation and/or areas with prolonged continu-
ous subfreezing temperatures. Heat pump unit bases have holes
under the outdoor coil to permit drainage of defrost water accumu-
lation. The unit must be situated to permit free unobstructed drain-
age of the defrost water and ice. A minimum 2" clearance under
the outdoor coil is required in the milder climates.
GROUND LEVELPRE-INSTALLATION DETAILS
The unit should be set on a solid, level foundation - preferably a
concrete slab at least 4 inches thick. The slab should be above
ground level and surrounded by a graveled area for good drainage.
Any slab used as a unit’s foundation should not adjoin the building
as it is possible that sound and vibration may be transmitted to the
structure.
Ground Level Installation
ROOF TOP PRE-INSTALLATION DETAILS
Ensure that the roof is weather tight and allows proper drainage of
condensation. Use steel or treated wood beams as unit support
for load distribution.
NOTE: To ensure proper condensate drainage, unit must be in-
stalled in a level position.
•To avoid possible property damage or personal injury, the
roof must have sufficient structural strength to carry the
weight of the unit(s) and snow or water loads as required
by local codes. Consult a structural engineer to determine
the weight capabilities of the roof.

5
•The unit may be installed directly on wood floors or on
Class A, Class B, or Class C roof covering material.
•To avoid possible personal injury, a safe, flat surface for
service personnel should be provided.
RooftopInstallation
ROOF CURB INSTALLATIONS ONLY
NOTE: Sufficient structural support must be determined prior to
locating and mounting the curb and package unit.
Curb insulation, cant strips, flashing and general roofing material
are furnished by the contractor.
Curbing must be installed in compliance with the National Roofing
ContractorsAssociation Manual. Construct duct work using current
industry guidelines. The duct work must be placed into the roof
curb before mounting the package unit.
RoofCurbInstallation
RIGGING DETAILS
WARNING
TO PREVENT PROPERTY DAMAGE, THE UNIT SHOULD REMAIN IN AN UPRIGHT
POSITION DURING ALL RIGGING AND MOVING OPERATIONS. TO FACILITATE
LIFTING AND MOVING WHEN A CRANE IS USED, PLACE THE UNITIN AN
ADEQUATECABLE SLING.
WARNING
TO AVOID POSSIBLE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH,
ENSURE THE ROOF HAS SUFFICIENT STRUCTURAL STRENGTH TO CARRY THE
WEIGHT OF THE UNIT(S), ROOF CURB, SNOW LOADS, AND WATER LOADS AS
REQUIRED BY LOCAL CODES. CONSULT A STRUCTURAL ENGINEER TO
DETERMINE THE WEIGHT CAPABILITIES OF THE ROOF.
CAUTION
TO AVOID POSSIBLE PERSONAL INJURY, A SAFE, FLAT SURFACE FOR SERVICE
PERSONNEL SHOULD BE PROVIDED.
IMPORTANT: If using bottom discharge with roof curb, duct work
should be attached to the curb prior to installing the unit.
Lower unit carefully onto roof mounting curb. While rigging unit,
center of gravity will cause condenser end to be lower than supply
air end.
Rigging
CIRCULATING AIR AND FILTERS
AIRFLOWCONVERSION
Units can easily be converted from horizontal to down-discharge
airflow delivery. In down-discharge or high static installations, the
installer should measure the total external static and review the
blower performance charts before performing the installation. In
some installations it will be necessary to change the blower speed
to provide proper air flow.
HorizontalAirFlow
Single phase models are shipped without horizontal duct
covers. If needed, these kits may be ordered through
Goodman’s Service Parts department.

6
Remove these covers
for horizontal duct
applications
Remove these panels
for downflow duct
applications
Supply
Return
DuctCoverInstallation
DownDischargeApplications
Cut insulation around bottom openings and remove panels from
the bottom of the unit, saving the screws holding the panels in
place.
NOTE: Single phase models require installation of horizontal duct
kit #20464501PDGK (medium chassis) and #20464502PDGK
(large chassis).
DUCTWORK
Duct systems and register sizes must be properly designed for
the C.F.M. and external static pressure rating of the unit. Duct work
should be designed in accordance with the recommended meth-
ods of Air Conditioning Contractors of America Manual D (Resi-
dential) or Manual Q (Commercial). All ductwork exposed to the
outdoors must include a weatherproof barrier and adequate insu-
lation.
A duct system should be installed in accordance with Standards of
the National Board of Fire Underwriters for the Installation of Air
Conditioning, Warm Air Heating and Ventilating Systems, Pam-
phlets No. 90A and 90B.
The supply duct from the unit through a wall may be installed
without clearance. However, minimum unit clearances as shown
in the appendix must be maintained. The supply duct should be
provided with an access panel large enough to inspect the air
chamber downstream of the heat exchanger. A cover should be
tightly attached to prevent air leaks.
For duct flange dimensions on the unit refer to the Unit Dimension
illustration in the appendix.
For down-discharge applications, the ductwork should be attached
to the roof curb prior to installing the unit. Duct work dimensions
are shown in the roof curb installation manual.
If desired, supply and return duct connections to the unit may be
made with flexible connections to reduce possible unit operating
sound transmission.
FILTERS
CAUTION
TO PREVENT PROPERTY DAMAGE DUE TO FIRE AND LOSS OF
EQUIPMENT EFFICIENCY OR EQUIPMENT DAMAGE DUE TODUST AND LINT
BUILD UP ON INTERNAL PARTS, NEVER OPERATE UNIT WITHOUT AN AIR
FILTER INSTALLED IN THE RETURN AIR SYSTEM.
Filters are not provided with unit and must be supplied and exter-
nally installed in the return duct system by the installer. An optional
factory approved internal filter rack may also be used. A field-in-
stalled filter grille is recommended for easy and convenient ac-
cess to the filters for periodic inspection and cleaning. When
installing filters, ensure the air flow arrows on the filter are pointing
toward the circulator blower.
Refer to the unit filter size chart below for filter size information.
NOMINAL SIZE (INCHES) NOMINAL AREA (SQ. FT.)
10x20 1.4
14x20 1.9
14x25 2.4
15x20 2.1
16x20 2.2
16x25 2.8
20x20 2.8
20x25 3.5
25x25 4.3
MINIMUM FILTER SIZE
NOTE: Filters must have adequate face area for the rated quantity
of the unit. See the air delivery table below for recommended filter
size. Size the filters in accordance with their manufacturer recom-
mendations. Throwaway filters must be sized for a maximum face
velocity of 300 feet per minute.
500 1000 1500 2000 2500 3000 3500
7
6
5
4
3
2
DISPOSABLEFILTER
PERMANENTFILTER
Airflow - SCFM
NominalFilterArea
SquareFeet
PIPING
CONDENSATE DRAIN
The condensate drain connection of the evaporator is a half cou-
pling of ¾” N.P.T. A trap must be provided to have Proper conden-
sate drainage. 2" Minimum
3" Minimum
A Positive Liquid Seal
Is Required
Flexible
Tubing-Hose
Or Pipe
Drain
Connection
Unit
Install condensate drain trap as shown. Use ¾ “ drain connection
size or larger. Do not operate without trap. Unit must be level or
slightly inclined toward drain.

7
WIRING
NOTE: All wiring should be made in accordance with the National
Electrical Code.
Consult your local Power Company to determine the availability of
sufficient power to operate the unit. Check the voltage, frequency,
and phase at the power supply to ensure it corresponds to the
unit’sRATEDVOLTAGEREQUIREMENT.
In accordance with the N.E.C. or local codes, install a branch cir-
cuit fused disconnect near the unit. Determine wire sizes and
overcurrent protection from the unit nameplate ampacity and in
accordance with the Branch CircuitAmpacity table on the next page
or the N.E.C. The wiring should never be sized smaller than is
recommended by either of these two sources.
Fuses smaller than that recommended on the rating plate could
result in unnecessary fuse failure or service calls. The use of
protective devices of larger size than indicated could result in ex-
tensive damage to the equipment. The manufacturer bears no
responsibility for damage caused to equipment as result of the
use of larger than is recommended size protective devices.
All units have undergone a run test prior to packaging for ship-
ment. This equipment has been started at minimum rated voltage
and checked for satisfactory operation. Do not attempt to operate
this unit if the voltage is not within the minimum and maximum
voltages shown on nameplate.
All exterior wiring must be within approved weatherproof conduit.
The unit must be permanently grounded in accordance with local
codes, or in absence of local codes, with N.E.C ANSI/ NFPA NO.
70-1984 or latest edition by using ground lug in the control box.
Fuses or HACR type circuit breakers may be used where codes
permit.
CONTACTOR
RW
G
GRW
FOR INTERNAL WIRING SEE WIRING LABEL ATTACHED TO UNIT
24 VOLT CONTROL WIRING
L3 CONNECTION - 3 PHASE ONLY
See
*NOTE
*NOTE: LOW VOLTAGE CONNECTORS do not apply to heat pumps with
electric heat. LOW VOLTAGE CONNECTORS apply ONLY to GPC units
with electric heat.
IMPORTANT NOTE: Some single phase units are equipped with a
single-pole contactor. Exercise caution when servicing as only one
leg of the power supply is broken with the contractor.
To wire the unit, make the following high and low voltage connec-
tions.
HIGH VOLTAGE WIRING
• Single Phase- Two leads should be connected to terminals
L1 & L2 in the electrical control section, using wire sizes
specified in wiring table.
LOW VOLTAGE WIRING
• Air Conditioners- Connect 24V wires from the thermostat
to the corresponding wires in the control box using No. 18
AWG as follows:
LEAD THERMOSTAT
Red R (24V)
Green G (Fan)
Yellow Y (Cool)
White W1 (Heat)*
Brown W2 (Heat)*
*Optional field installed heat connections
• Heat Pumps- Connect 24V wires from the thermostat to
the corresponding wires in the control box using No. 18
AWG as follows:
TERMINAL THERMOSTAT
Red R (24V)
Green G (Fan)
Orange O (Rev. Valve)
White W1 (Heat, 2nd)*
Brown W2 (Heat 3rd)*
Yellow Y (Cool)
C (Blue) C (Common)
*Optional field installed heat connections

8
INTERNALWIRING
A diagram detailing the internal wiring of this unit is located on the
electrical box cover. If any of the original wire supplied with the
appliance must be replaced, the wire gauge and insulation must
be the same as the original wiring.
Transformer is wired for 230 volts on the 208/230 models. See
wiring diagram for 208 volt wiring.
1. For branch circuit wiring (main power supply to unit
disconnect), the minimum wire size for the length of run
can be determined using the circuit ampacity found on the
unit rating plate and the table below. From the unit
disconnect to unit, the smallest wire size allowable may be
usedfor theampacity,as the Disconnect must be in sight
of the unit.
BRANCH CIRCUIT AMPACITY 15 20 25 30 35 40 45 50
SUPPLY WIRE LENGTH -
FEET
200 64443322
150 86644433
100 108866644
50 141210108866
2. Wire size based on 60° C rated wire insulation and 30° C
AmbientTemperature (86°F).
3. For more than 3 conductors in a raceway or cable, see the
N.E.C. for derating the ampacity of each conductor.
STARTUP, ADJUSTMENTS, AND CHECKS
WARNING
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING
THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE
TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR
DEATH.
START-UPPROCEDURE AND CHECKLIST
With power turned off at all disconnects:
1. Turn thermostat system switch to “COOL” and fan switch
to “AUTO”. Next, turn the temperature setting as high as it
will go.
2. Inspect all registers and set them to the normal open
position.
3. Turn on the electrical supply at the disconnect.
4. Turn the fan switch to the “ON” position. The blower should
operate after a 7-second delay.
5. Turn the fan switch to “AUTO” position. The blower should
stop after a 65-second delay.
6. Slowly lower the cooling temperature until the unit starts.
The compressor, blower and fan should now be operating.
Allow the unit to run 10 minutes, make sure cool air is being
supplied by the unit.
7. Turn the temperature setting to the highest position,
stopping the unit. The indoor blower will continue to run for
65-seconds.
8. Turn the thermostatsystemswitch to “OFF” and disconnect
all power when servicing the unit.
HEAT PUMP START-UPPROCEDURE
1. Check the cooling mode for the heat pump in the same
manner as above. The reversing valve is energized when
the thermostat is placed in the cooling position. A clicking
sound should be noticeable from the reversing valve. By
lowering the temperature setting to call for cooling, the
contactor is energized. The compressor, blower and fan
should then be running. After the cooling mode is checked
out, turn the thermostat system switch to “OFF”.
2. Turn thethermostatsystem switch to“HEAT” and fan switch
to“AUTO”.
3. Slowly raise the heating temperature setting. When the
heating first stage makes contact, stop raising the
temperature setting. The compressor, blower and fan
should now be running with the reversing valve in the de-
energized (heating) position. After giving the unit time to
settle out, make sure the unit is supplying heated air.
4. If the outdoor ambient is above 80°F, the unit may trip on
its high pressure cut out when in heating. The compressor
should stop. The heating cycle must be thoroughly
checked, so postpone the test to another day when
conditions are more suitable. DO NOT FAIL TO TEST.
5. If the outdoor ambient is low and the unit operates properly
on the heating cycle, you may check the pressure cutout
operation by blocking off the indoor return air until the unit
trips.
6. If unit operates properly in the heating cycle, raise the
temperature setting until the heating second stage makes
contact. Supplemental resistance heat, if installed should
now come on. Make sure it operates properly.
NOTE: If outdoor thermostats are installed, the outdoor
ambient must be below the set point of these thermostats
for the heaters to operate. It may be necessary to jumper
these thermostats to check heater operation if outdoor
ambient is mild.
7. For thermostats with emergency heat switch, return to step
6. The emergency heat switch is located at the bottom of
the thermostat. Move the switch to emergency heat. The
heat pump will stop, the blower will continue to run, all
heaters will come on and the thermostat emergency heat
indicator will come on.
8. If checking the unit in the wintertime, when the outdoor coil
is cold enough to actuate the defrost control, observe at
least one defrost cycle to make sure the unit defrosts
completely.
FINAL SYSTEM CHECKS
1. Check to see if all supply and return air grilles are adjusted
and the air distribution system is balanced for the best
compromise between heating and cooling.
2. Check for air leaks in the ductwork.
3. See Sections on Air Flow Measurement and Adjustment
and Checking Charge.
4. Make sure the unit is free of “rattles”, and the tubing in the
unit is free from excessive vibration.Also make sure tubes
or lines are not rubbing against each other or sheet metal
surfaces or edges. If so, correct the trouble.

9
5. Set the thermostat at the appropriate setting for cooling
and heating or automatic changeover for normal use.
6. Be sure the Owner is instructed on the unit operation,
filter, servicing, correct thermostat operation, etc.
The foregoing “Start-up Procedure and Check List” is recom-
mended to serve as an indication that the unit will operate nor-
mally.
COMPONENTS
Crankcase Heater
This item is “ON” whenever power is supplied to the unit and the
crankcase heater thermostat is closed. Crankcase heater
thermostatcloses at67° and opens at 85°. It warmsthe compressor
crankcase thereby preventing liquid migration and subsequent
compressor damage. The insert type heater is self regulating. It is
connected electrically to the contactor L1 and L2 terminals.
Condenser Motor
This item is activated by the contactor during heating and cooling,
except during defrost and emergency heat operation.
Compressor
This item is activated by the contactor for heating and cooling,
except during emergency heat. It is protected by an internal over-
load.
Contactor Relay
This control is activated by the thermostat (24V coil) and supplies
power to the compressor and condenser fan motor.
Defrost Control
The Defrost control provides time/temperature initiation and termi-
nation of the defrost cycle. When a Defrost cycle is initiated, the
defrostcontrol shiftsthe reversing valve to “COOLING” mode, stops
the outdoor fan and brings on supplemental heat. Normally, a
Defrost cycle will take only 2-3 minutes unless system is low on
charge or outdoor conditions are severe. (windy and cold). The
defrost control also provides for a 3 minute off cycle compressor
delay.
Outdoor Thermostat
Theseoptional controls areused to preventfull electric heateropera-
tion at varying outdoor ambient (0° F-to 45° F). They are normally
open above their set points and closed below to permit staging of
indoorsupplementheater operation. If theoutdoorambient tempera-
tureisbelow 0°F(-18° C) with50%or higherRH,an outdoor thermo-
stat (OT) must be installed and set at (0°) on the dial. Failure to
comply with this requirement may result in damage to the product
whichmay notbe coveredby the manufacturer’swarranty.
Reversing Valve Coil
This coil is activated by the thermostat, in the cooling mode and
during defrost. It positions the reversing valve pilot valve for cooling
operation.
Indoor Blower Motor
This is activated by the room thermostat by COOLING or FAN ON
position. The motor is energized through the EBTDR for PSC mo-
tors and directly by the room thermostat for EEM motors. EEM
motors are constant torque motors with very low power consump-
tion. This motor is energized by a 24V signal from the thermostat.
(See Air Flow Measurement and Adjustment for speed adjustment
instructions).
Blower Interlock Relay
This relay is used to energize the blower during the electric heat
operation. Some room thermostats do not energize the motor dur-
ing electric heat. This relay insures blower operation when the
room thermostat energizes heat. This relay has a 240 volt coil and
an 8 amp contact relay. This relay is energized by the electric heat
kit sequencer.
HEAT PUMP OPERATION
COOLING CYCLE
When the heat pump is in the cooling cycle, it operates exactly as
a Summer Air Conditioner unit. In this mode, all the charts and
data for service that apply to summer air conditioning apply to the
heatpump. Mostapply onthe heating cycle except that “condenser”
becomes “evaporator”, “evaporator” becomes “condenser”, “cool-
ing” becomes “heating”.
HEATING CYCLE
The heat pump operates in the heating cycle by redirecting refrig-
erant flow through the refrigerant circuit external to the compres-
sor. This is accomplished with the reversing valve. Hot discharge
vapor from the compressor is directed to the indoor coil (evapora-
tor on the cooling cycle) where the heat is removed, and the vapor
condenses to liquid. It then goes through the expansion device to
the outdoor coil (condenser on the cooling cycle) where the liquid
is evaporated, and the vapor goes to the compressor.
EVAPORATOR
COOLING
SERVICE VALVE
SERVICE PORT REVERSING VALVE
CONDENSER
SERVICE PORT
COMPRESSOR
SERVICE PORT
ACCUMULATOR
EXPANSION DEVICE
CHECK VALVE
ORIFICE
SERVICE
VALVE
CHECK VALVE
ORIFICE
INDO OR
COIL
DISTRIBUTOR
OUTDOOR
COIL
EVAPORATOR
HEATING
SERVICE VALVE
SERVICE PORT REVERSING VALVE
CONDENSER
COMPRESSOR
SERVICE PORT
ACCUMULATOR
CHECK VALVE
ORIFICE
SERVICE
VALVE
CHECK VALVE
ORIFICE
INDOOR
COIL
DISTRIBUTOR
OUTDOOR
COIL
DISTRIBUTOR
When the solenoid valve coil is operated either from heating to
cooling or vice versa, the piston in the reversing valve to the low
pressure (high pressure) reverse positions in the reversing valve.
The following figures show a schematic of a heat pump on the cool-
ing cycle and the heating cycle. In addition to a reversing valve, a
heat pump is equipped with an expansion device and check valve
for the indoor coil, and similar equipment for the outdoor coil. It is
also provided with a defrost control system.
The expansion devices are flowrator distributors and perform the
same function on the heating cycle as on the cooling cycle. The
flowrator distributors also act as check valves to allow for the re-
verse of refrigerant flow.

10
When the heat pump is in the heating cycle, the outdoor coil is
functioning as an evaporator. The temperature of the refrigerant in
the outdoor coil must be below the temperature of the outdoor air
in order to extract heat from the air. Thus, the greater the difference
in the outdoor temperature and the outdoor coil temperature, the
greater the heating capacity of the heat pump. This phenomenon
is a characteristic of a heat pump. It is a good practice to provide
supplementary heat for all heat pump installations in areas where
the temperature drops below 45° F. It is also a good practice to
provide sufficient supplementary heat to handle the entire heating
requirement should there be a component failure of the heat pump,
such as a compressor, or refrigerant leak, etc.
Since the temperature of the refrigerant in the outdoor coil on the
heating cycle is generally below freezing point, frost forms on the
surfaces of the outdoor coil under certain weather conditions of
temperature and relative humidity. Therefore, it is necessary to
reverse the flow of the refrigerant to provide hot gas in the outdoor
coilto melt thefrost accumulation.This is accomplishedby reversing
theheat pumpto the cooling cycle.Atthesame time,the outdoorfan
stops to hasten the temperature rise of the outdoor coil and lessen
the time required for defrosting. The indoor blower continues to run
and the supplementary heaters are energized.
DEFROST CONTROL
During operation the power to the circuit board is controlled by a
temperature sensor, which is clamped to a feeder tube entering
the outdoor coil. Defrost timing periods of 30, 60 and 90 minutes
may be selected by setting the circuit board jumper to 30, 60 and
90 respectively.Accumulation of time for the timing period selected
starts when the sensor closes (approximately 31° F), and when
the wall thermostat calls for heat. At the end of the timing period,
the unit’s defrost cycle will be initiated provided the sensor re-
mains closed. When the sensor opens (approximately 75° F), the
defrost cycle is terminated and the timing period is reset. If the
defrost cycle is not terminated due to the sensor temperature, a
twelve minute override interrupts the unit’s defrost period.
SUGGESTED FIELD TESTING/TROUBLE SHOOTING
1. Run unit in the heating mode (room thermostat calling for
heat).
2. Check unit for proper charge. Note: Bands of frost on the
condenser coil indicate low refrigerant charge.
3. Shut off power to unit.
4. Disconnect outdoor fan by removing the outdoor fan motor
wire from “DF2” on defrost control.
5. Restart unit and allow frost to accumulate.
6. After a few minutes of operation, the unit’s defrost
thermostat should close. To verify this, check for 24 volts
between “DFT” and “C” on board. If the temperature at the
thermostat is less than 28° F and the thermostat is open,
replacethe unit’sdefrost thermostat, as it is defective.
7. When the unit’s defrost thermostat has closed, short the
test pins on the defrost board until the reversing valve
shifts, indicating defrost. This should take up to 22
seconds depending on what timing period the control is
set on. After defrost initiation, the short must instantly be
removed or the unit’s defrost period will only last 3
seconds.
8. The control is shipped from the factory with the compressor
delay option selected. This will de-energize the
compressor contactor for 30 seconds on defrost initiation
and defrost termination. If the jumper is set to Normal, the
compressor will continue to run during defrost initiation
and defrost termination. The control will also ignore the
low pressure switch connected to R-PS1 and PS2 for 5
minutes upon defrost initiation and 5 minutes after defrost
termination.
9. After the unit’sdefrost thermostathas terminated, check the
defrost thermostat for 24 volts between “DFT” and “C”. The
readingshould indicate0 volts (opensensor).
10.Shutoff powerto unit.
11. Replaceoutdoorfan motorleadtoterminal “DF2”ondefrost
board and turn on power.
AIRFLOWMEASUREMENTAND ADJUSTMENT
After reviewing Duct Work section, proceed with airflow measure-
ments and adjustments. The unit blower curves (see Specifica-
tion Sheets) are based on external static pressure (ESP per in/wc).
The duct openings on the unit are considered internal static pres-
sure.Aslong asESPismaintained, the unitwill deliverthe properair
upto themaximum static pressure listed forthe CFMrequired bythe
application(i.e. home, building,etc.)
In general, 400 CFM per ton of cooling capacity is a rule of thumb.
Someapplications depending on the sensibleand latentcapacity re-
quirementsmayneedonly350CFMor up to 425CFMperton. Check
condition space load requirements (from load calculations) and
equipment expanded ratings data to match CFM and capacity.
After unit is set and duct work completed, verify the ESP with a
1-inch inclined manometer with pitot tubes or a Magnahelic gauge
and confirm CFM to blower curves in the Specification Sheets. All
units have three-speed blower motors. If low speed is not utilized,
the speed tap can be changed to medium or high speed.
NOTE: Neverrun CFMbelow 350 CFM per ton, evaporator freezing
or poor unit performance is possible.

11
NOTES:
•Data shown is dry coil.
Wet coil pressure drop is
approximately:
0.1” H20, for two-row indoor
coil;
0.2” H2O, for three-row
indoor coil;
and 0.3” H20, for four-row
indoor coil.
• Data shown does not include
filter pressure drop, approx.
0.08” H20.
• Reduceairflowby2% for 208-
voltoperation.
0.10.20.30.40.50.60.70.8
CFM 667 596 -------- -------- -------- -------- -------- --------
WATTS 153 150 -------- -------- -------- -------- -------- --------
CFM 897 841 784 713 610 -------- -------- --------
WATTS 233 229 224 217 207 -------- -------- --------
CFM 1242 1181 1122 1057 982 883 719 617
WATTS 373 364 354 344 333 318 298 284
CFM 1097 1059 1016 959 901 818 648 562
WATTS 337 330 324 315 305 290 271 257
CFM 1253 1204 1148 1097 1033 952 777 670
WATTS 397 388 379 369 356 342 313 297
CFM 1448 1380 1323 1258 1194 1106 1008 864
WATTS 499 483 472 459 446 427 410 382
CFM 1122 1078 1032 972 915 804 687 558
WATTS 338 330 321 310 300 283 264 250
CFM 1387 1331 1264 1209 1119 1041 935 748
WATTS 456 440 428 412 399 382 363 330
CFM 1521 1454 1388 1311 1230 1144 1055 939
WATTS 534 521 510 490 477 461 442 420
CFM 1122 1078 1032 972 915 804 687 558
WATTS 338 330 321 310 300 283 264 250
CFM 1387 1331 1264 1209 1119 1041 935 748
WATTS 456 440 428 412 399 382 363 330
CFM 1521 1454 1388 1311 1230 1144 1055 939
WATTS 534 521 510 490 477 461 442 420
CFM 1451 1404 1356 1309 1262 1215 1168 1121
WATTS 255 264 273 282 291 299 308 317
CFM 1809 1762 1715 1667 1620 1573 1526 1479
WATTS 444 453 462 471 479 488 497 506
CFM 1885 1838 1790 1743 1696 1649 1602 1555
WATTS 484 493 502 510 519 528 537 546
CFM 1774 1731 1688 1645 1602 1559 1515 1472
WATTS 444 453 463 473 483 493 503 512
CFM 1891 1848 1804 1761 1718 1675 1632 1589
WATTS 515 525 535 544 554 564 574 584
CFM 2105 2062 2018 1975 1932 1889 1846 1803
WATTS 646 656 666 676 686 696 705 715
CFM 867 789 711 632 554 --- --- ---
WATTS 77 84 90 97 103 --- --- ---
CFM 1272 1222 1173 1123 1074 1024 974 925
WATTS 223 230 236 243 249 256 262 269
CFM 1446 1396 1347 1297 1248 1198 1148 1099
WATTS 287 293 300 306 313 319 326 332
*PH1336M41C*
T1 230
T2/T3 230
T4/T5 230
*PH1360M41*
T1 230
T2/T3 230
T4/T5 230
*PH1348M41*
T1 230
T2/T3 230
T4/T5 230
*PH1342M41*
Low 230
Med 230
High 230
*PH1336M41*
Low 230
Med 230
High 230
*PH1330M41*
Low 230
Med 230
High 230
*PH1324M41*
Low 230
Med 230
High 230
Model Speed Volts E.S.P (In. of H2O)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
CFM 1122 1078 1032 972 915 804 687 558
WATTS 338 330 321 310 300 283 264 250
CFM 1387 1331 1264 1209 1119 1041 935 748
WATTS 456 440 428 412 399 382 363 330
CFM 1521 1454 1388 1311 1230 1144 1055 939
WATTS 534 521 510 490 477 461 442 420
CFM 1451 1404 1356 1309 1262 121
5
1168 1121
WATTS 255 264 273 282 291 299 308 317
CFM 18091762171516671620157315261479
WATTS 444 453 462 471 479 488 497 506
CFM 1885 1838 1790 1743 1696 164
9
1602 1555
WATTS 484 493 502 510 519 528 537 546
CFM 17741731168816451602155915151472
WATTS 444 453 463 473 483 493 503 512
CFM 18911848180417611718167516321589
WATTS 515 525 535 544 554 564 574 584
CFM 2105 2062 2018 1975 1932 188
9
1846 1803
WATTS 646 656 666 676 686 696 705 715
Volts
230
230
230
230
230
230
E.S.P (In. of H2O)
*PC1336M41*
LOW
MED
HIGH 230
230
230
Model Speed
*PC1348M41*
T1
T2/T3
T4/T5
*PC1360M41*
T1
T2/T3
T4/T5

12
SPEED TAP ADJUSTMENTS FOR INDOOR BLOWER MOTOR
PSCMotor
Adjust the CFM by changing the speed tap of the indoor blower
motor at the EBTDR “COM” connection with one of the speed taps
on “M1” or “M2”. (Black-High Speed, Blue-Medium Speed, Red-
Low Speed.)
EEMMotor
Adjust the CFM by changing the 24V low voltage lead at the speed
terminal block on the motor. (T1-Low Speed, T2 and T3-Medium
Speed, T4 and T5-High Speed).
REFRIGERANT CHARGE CHECKS
After completing airflow measurements and adjustments, the unit’s
refrigerant charge must be checked. All package units are charged
to the superheat method at the compressor suction line (these are
fixedorifice devices). Aftersuperheatis adjusted it is recommended
to check unit sub-cooling at the condenser coil liquid line out. For
charge adjustments, see superheat and subcooling charts shown
for each model.
SUPERHEATCANBE DETERMINED ASFOLLOWS:
1. Read suction pressure. Determine Saturated Suction
Temperature from tables or pressure gauge saturated
temperaturescale (R-410A).
2. Read suction linetemperature.
3. Use the following formula:
SUPERHEAT=SUCTIONLINETEMP-SAT.SUCTIONTEMP
SUCTION PRESSURE SATURATED SUCTION
TEMPERATURE ºF
PSIG R-410A
50 1
52 3
54 4
56 6
58 7
60 8
62 10
64 11
66 13
68 14
70 15
72 16
74 17
76 19
78 20
80 21
85 24
90 26
95 29
100 31
110 36
120 41
130 45
140 49
150 53
160 56
170 60
SATURATED SUCTION PRESSURE
TEMPERATURE CHART
Suction Pressure Temperature (R-410A)
SUBCOOLING= SAT.LIQUIDTEMP. - LIQUID LINETEMP.
LIQUID PRESSURE SATURATED LIQUID
TEMPERATURE ºF
PSIG R-410A
200 70
210 73
220 76
225 78
235 80
245 83
255 85
265 88
275 90
285 92
295 95
305 97
325 101
355 108
375 112
405 118
415 119
425 121
435 123
445 125
475 130
500 134
525 138
550 142
575 145
600 149
625 152
SATURATED LIQUID PRESSURE
TEMPERATURE CHART
Liquid Pressure Temperature (R-410A)
Models # Superheat
± 2°F
*PC1336M41 9
*PC1348M41 13
*PC1360M41 11
*PH1324M41 13
*PH1330M41 10
*PH1336M41 6
*PH1342M41 13
*PH1348M41 13
*PH1360M41 10
Design superheat
@ 95 °F outdoor
ambient temperature
ELECTRICAL ADJUSTMENTS
This series of electric cooling and, heat pump package equipment
is designed to accept a field installed electric heat kit. The unit is
equipped to easily install the HKP or HKR Series single phase
Electric Heat Kits. Full Installation Instructions are included in this
kit. Please use this document for guidance in field equipping the
package unit with electric heat.

13
Choose the heat kit that fits the application for the specific installa-
tion. Permanently mark the unit’s nameplate with the model being
installed. High and low voltage connections are detailed in the
heat kit instructions.
Indoor Blower motor speed tap selection may need to be modified
to accommodate normal continuous operation to prevent a nui-
sance trip. See following table.
Unit Model Number 5 8 10 15 20
*PH1324M41** M(F) M(F) M(F) HNA
*PH1330M41** M(F) M(F) M(F) HNA
*PH/*PC1336M41** MM
H(F) H(F) NA
*PH1342M41** MMH
(F) H(F) NA
*PH/*PC1348M41** 3(F) 3(F) 3(F) 3(F) 3(F)
*PH/*PC1360M41** 3(F) 3(F) 3(F) 3(F) 3(F)
*(F) - Factory Setting
3 speed (H)igh/(M)edium/(L)ow: PSC motor
4 speed (H)igh/(ML)Medium Low/ (MH) Medium High/(L)ow: PSC motor
1/2/3/4/5: EEM motor
Electric Heat KW
Speed Taps Description: H / 4, 5 - High; M / 2, 3 - Medium; L / 1 - Low
MAINTENANCE
WARNING
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING
THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE
TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR
DEATH.
TheSelf ContainedPackageAir Conditioner and Heat Pump should
operate for many years without excessive service calls if the unit is
installed properly. However it is recommended that the homeowner
inspect the unit before a seasonal start up. The coils should be
free of debris so adequate airflow is achieved. The return and
supply registers should be free of any obstructions. The filters
should be cleaned or replaced. These few steps will help to keep
the product up time to a maximum. The Troubleshooting Chart
(on page 14) should help in identifying problems if the unit does
not operate properly.
SERVICE
THE FOLLOWING INFORMATION IS FOR USE BY QUALIFIED
SERVICEAGENCY ONLY: OTHERS SHOULD NOTATTEMPT TO
SERVICETHISEQUIPMENT.
Common Causes of Unsatisfactory Operation of Heat Pump in
theHeatingCycle.
INADEQUATE AIR VOLUME THROUGH INDOOR COIL
When a heat pump is in the heating cycle, the indoor coil is func-
tioning as a condenser. The return air filter must always be clean,
and sufficient air volume must pass through the indoor coil to
prevent excessive discharge pressure, and high pressure cut out.
OUTSIDE AIR INTO RETURN DUCT
Do not introduce cold outside air into the return duct of a heat
pump installation. Do not allow air entering the indoor coil to drop
below 65° F. Air below this temperature will cause low discharge
pressure, thus low suction pressure, and excessive defrost cy-
cling resulting in low heating output. It may also cause false de-
frosting.
UNDERCHARGE
An undercharged heat pump on the heating cycle will cause low
discharge pressure resulting in low suction pressure and frost
accumulation on the outdoor coil.
POOR “TERMINATING” SENSOR CONTACT
The unit’s defrost terminating sensor must make good thermal
contact with the outdoor coil tubing. Poor contact may not termi-
nate the unit’s defrost cycle quickly enough to prevent the unit from
cutting out on high discharge pressure.
MALFUNCTIONING REVERSING VALVE - THIS MAY BE DUE TO:
1. Solenoid not energized - In order to determine if the
solenoid is energized, touch the nut that holds the solenoid
cover in place with a screwdriver. If the nut magnetically
holds the screwdriver, the solenoid is energized and the
unit is in the cooling cycle.
2. No voltage at unit’s solenoid - Check unit voltage. If no
voltage, check wiring circuit.
3. Valve will not shift:
a. Undercharged - check for leaks;
b. Valve Body Damaged - Replace valve;
c. Unit Properly Charged - If it is on the heating cycle,
raise the discharge pressure by restricting airflow
through the indoor coil. If the valve does not shift, tap it
lightly on both ends with a screwdriver handle. DO NOT
TAPTHEVALVE BODY.Ifthe unit is onthecoolingcycle,
raise the discharge pressure by restricting airflow
through the outdoor coil. If the valve does not shift after
the above attempts, cut the unit off and wait until the
discharge and suction pressure equalize, and repeat
above steps. If the valve does not shift, replace it.

14
TROUBLESHOOTING CHART
SYMPTOM
High head - low suction a. Restriction in liquid line or flowrator a. Remove or replace with proper size flowrator.
High head - high or normal suction a. Dirty condenser coil a. Clean coil.
b. Overchar
g
ed b. Correct S
y
stem char
g
e.
c. Condenser fan not runnin
g
c. Re
p
air or Re
p
lace.
a. Incorrect flowrator a. Re
p
lace with correct flowrator.
b. Defective com
p
ressor valves b. Re
p
lacecom
p
ressor.
c. Flowrator not seating properly c. Check for debris under flowrator or deformed
flowrator. Remove debris or replace flowrator.
d. Defective reversing valve d. Replace reversing valve.
a. Poweroff orloose electrical connection a. Check for unit voltage at contactor in unit.
b. Thermostat out of calibration set too hi
g
h b. Reset.
c. Defective contactor c. Check for 24 volts at contactor coil replace if
contacts are open.
d. Blown fuses or tripped breaker d. Replace fuse or reset breaker.
e. Transformer defective e. Check wiring - replace transformer.
f. High or low pressure control open
(Optional) f. Reset high pressure control or check unit charge.
High pressure control opens at 610 psig.
Low
p
ressure control o
p
ens at 22
p
si
g
.
g. Compressor overload contacts open g. Replace compressor.
NOTE: Wait at least 2 hours for overload to reset.
Condenser fan runs,
compressor doesn't a. Loose connection a. Check for unit voltage at compressor check & tighten all connections.
b. Compressor stuck, grounded or open
winding open internal overload b. Wait at least 2 hours for overload to reset If still open, replace the compressor.
c. Low voltage connection c. At compressor terminals, voltage must be within
10 % of nameplate volts when unit is operating.
d. Capacitor weak, open, or shorted d. Check capacitor. If defective, replace.
Low suction - cool compressor a. a.
Iced evaporator coil a. Defective overload protector a. Replace - check forcorrect voltage.
b. Unit cycling on low pressure control b. Check refrigerant charge and / or airflow.
a. a. Increase s
p
eed of blower or reduce restriction
re
p
lace air filters.
a. Excessive load a. Recheck load calculation.
b. Defective com
p
ressor b. Re
p
lace.
c. Reversin
g
valve not seatin
g
p
ro
p
erl
y
.c.Re
p
lace.
a. Im
p
ro
p
erl
y
sized unit a. Recalculate load.
b. Improper airflow b. Check - should be approximately 400 CFM per
ton.
c. Incorrect refrigerant charge. c. Charge per procedure attached to unit service
panel.
d. Incorrect voltage d. At compressor terminals, voltage must be within
10% of nameplate volts when unit is operating.
Increase speed of blower or reduce restriction -
replace air filters.
Insufficient cooling
High suction pressure
REMEDYPOSSIBLECAUSE
Compressorshort cycles
Registers sweat Low airflow
Low head - high suction
Unit will not run
Low indoor airflow

15
APPENDIX
UNIT DIMENSIONS
MEDIUM CHASSIS
*P*1324M4**
*P*1330M4**
*P*1336M4**
*P*1342M4**
LARGE CHASSIS
*P*1348M4**
*P*1360M4**
BLOWER
ACCESS PANEL
?
?
2 34
51
47
SUPPLY
1 3/8
A
RETURN
POWER
WIRE
ENTRANCE
4 1/8
2 1/8
6 ½
16
16
5 ½
B
B
CONTROL
WIRE
ENTRANCE
CONDENSATE
DRAIN
CONNECTION
3/4” NPT FEMALE
18 7/8
SUCTION/LIQUID
PRESSURE PORT
3
8

16
MINIMUM CLEARANCES
RECOMMENDED FILTER SIZES
NOTE: Roofoverhandshouldbenomorethan36”
UNIT 2 ton 2-1/2 ton 3 ton 3-1/2 ton 4 ton 5 ton
Min. Filter Size (1) 25x25x1 (1)25x25x1 (1) 25x25x1 (1) 25x25x1 (2) 20x20x1 (2) 20x20x1
4”
MIN
12" MIN 36" MIN
(FOR SERVICE)
.
48" MIN
12" MIN
36" MIN
(FOR
SERVICE)
Goodman Company, L.P.
5151 San Felipe, Suite 500, Houston, TX 77056
www.goodmanmfg.com www.amana-hac.com
©2010-2013 Goodman Company, L.P.