Daikin APGM3 Service And Troubleshooting

Daikin APGM3 Service And Troubleshooting

13.4 seer2 & 15.2 gas-electric package units with r-410a refrigerant
Table of Contents

Advertisement

Quick Links

Service and Troubleshooting
A/GPGM3 13.4 SEER2 & A/GPGM5 15.2 Gas-Electric
Pride and workmanship go into every product to provide
our customers with quality products. It is possible, however,
that during its lifetime a product may require service.
Products should be serviced only by a qualified service
technician who is familiar with the safety procedures
required in the repair and who is equipped with the proper
tools, parts, testing instruments and the appropriate service
manual. REVIEW ALL SERVICE INFORMATION IN THE
APPROPRIATE SERVICE MANUAL BEFORE
BEGINNING REPAIRS.
Only personnel that have been trained to install, adjust,
service, maintenance or repair (hereinafter, "service")
the equipment specified in this manual should service the
equipment. The manufacturer will not be responsible for
any injury or property damage arising from improper
service or service procedures. If you service this unit, you
assume responsibility for any injury or property damage
which may result. In addition, in jurisdictions that require
one or more licenses to service the equipment specified in
this manual, only licensed personnel should service the
equipment. Improper installation, adjustment, servicing,
maintenance or repair of the equipment specified in this
manual, or attempting to install, adjust, service or repair
the equipment specified in this manual without proper
training may result in product damage, property damage,
personal injury or death.
Do not bypass safety devices.
Package Units with R-410A Refrigerant
WARNING
WARNING
© 2020-2022 Daikin Comfort Technologies Manufacturing, L.P.

TABLE OF CONTENTS

IMPORTANT INFORMATION ............................................ 2
PRODUCT IDENTIFICATION ........................................... 4
SYSTEM OPERATION ...................................................... 6
SCHEDULED MAINTENANCE ....................................... 12
SERVICING ..................................................................... 14
CHECKING VOLTAGE ............................................... 14
CHECKING WIRING ................................................... 14
CHECKING THERMOSTAT AND WIRING ................. 14
CONTROL CIRCUIT .................................................... 15
CHECKING CONTACTOR CONTACTS ...................... 16
CHECKING FAN RELAY CONTACTS ......................... 16
CHECKING HIGH PRESSURE CONTROL ................ 16
CHECKING LOW PRESSURE CONTROL ................. 17
CHECKING CAPACITOR ............................................ 17
TESTING START RELAY KITS ................................... 17
CAPACITANCE CHECK (MFD) ................................... 18
(PSC MOTORS) .......................................................... 18
CHECKING ECM MOTOR WINDINGS ....................... 18
CHECKING EEM MOTORS ........................................ 19
CHECKING ECM MOTORS ........................................ 19
CHECKING ECM MOTOR WINDINGS ....................... 20
CHECKING COMPRESSOR ....................................... 20
RESISTANCE TEST .................................................... 21
GROUND TEST .......................................................... 21
UNLOADER TEST PROCEDURE ............................. 22
OPERATION TEST...................................................... 22
LOCKED ROTOR TEST ............................................. 23
REFRIGERATION REPAIR PRACTICE ...................... 23
BEFORE SYSTEM EVACUATION) ............................. 23
(NITROGEN OR NITROGEN-TRACED) ..................... 24
SYSTEM EVACUATION .............................................. 24
RS6300012r8
September 2022

Advertisement

Table of Contents
loading

Summary of Contents for Daikin APGM3

  • Page 1: Table Of Contents

    STANDING PRESSURE TEST (RECOMMENDED BEFORE SYSTEM EVACUATION) ......23 Do not bypass safety devices. LEAK TESTING (NITROGEN OR NITROGEN-TRACED) ..... 24 SYSTEM EVACUATION ..........24 DEEP VACUUM METHOD (RECOMMENDED) ..24 RS6300012r8 September 2022 © 2020-2022 Daikin Comfort Technologies Manufacturing, L.P.
  • Page 2: Important Information

    IMPORTANT INFORMATION IMPORTANT NOTICES RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS TRIPLE EVACUATION METHOD (ALTERNATE) ..25 CHARGING ..............25 CHECKING COMPRESSOR EFFICIENCY ....25 REFRIGERANT CHARGE CHECK ......25 WARNING (UNITS WITH FIXED ORIFICE DEVICES) ....25 SUPERHEAT ............... 26 To prevent the risk of property damage, personal injury, or (UNITS WITH TXV DEVICE) ........
  • Page 3 IMPORTANT INFORMATION WARNING SAFE REFRIGERANT HANDLING The compressor POE oil for R-410A units is extremely susceptible to moisture absorption and could cause compressor failure. Do not leave system open to atmosphere While these items will not cover every conceivable any longer than necessary for installation. situation, they should serve as a useful guide.
  • Page 4: Product Identification

    PRODUCT IDENTIFICATION NOMENCLATURE The model number is used for positive identification of component parts used in manufacturing. Please use this number when requesting service or parts information. 8,9,10 Brand Minor Revision G - Goodman® brand Major Revision Product Category Electrical P - Packaged Unit 1 - 208/230V single-phase, 60 Hz Unit Type...
  • Page 5 PRODUCT IDENTIFICATION Single Phase Package Gas Units Model # Description Amana® Brand Package Gas 14 Seer R410A Multi-Position gas/electric units. APG14[24-60]***M41AA Initial release of single phase models. Amana® Brand Package Gas 14 Seer R410A Multi-Position gas/electric units. APG1461***M41AA Release of 5 Ton single phase models with a compressor change. Amana®...
  • Page 6: System Operation

    SYSTEM OPERATION Heating The heating cycle is accomplished by using a unique tubular design heat exchanger which provides efficient gas heating on either natural gas or propane gas fuels. The Cooling heat exchangers compact tubular construction provides The refrigerant used in the system is R-410A. It is a clear, excellent heat transfer for maximum operating efficiency.
  • Page 7 SYSTEM OPERATION 4. Heat Blower On Delay - The control waits for 30 second heat fan on delay and then energizes the indoor blower heat speed. If the blower is already energized by a call for cooling or continuous fan, or in Cool Mode a blower off delay period, the on delay is skipped and 1.
  • Page 8 SYSTEM OPERATION PCBAG127 IGNITION CONTROL SEQUENCE OF OPERATION (TWO STAGE CONTROL) Terminal Label Heating Operation: Low Stage Heat 230VAC Line 1 Input (x2) 1. Thermostat type is set to two-stage. 230VAC Line 2 Input (x4) 2. Thermostat “W1” input initiates low stage heating. Indoor Blower Heat Speed HEAT 3.
  • Page 9 SYSTEM OPERATION Low and high stage compressor outputs are de-energized. High speed condenser fan motor is de-energized. 4. Air circulating blower switches to low cool speed for 11. Induced draft blower switches from high speed to low the cool OFF delay. Cool OFF delay timer begins speed and remains energized for post purge period.
  • Page 10 SYSTEM OPERATION Terminal Label Line Voltage L1 Transformer Line L1 INDUCER OD F Air Circulating Blower Line 1 PARK HIGH LOW HIGH Induced Draft Blower Low Speed DI Low or "Inducer Low" Induced Draft Blower High Speed DI High or "Inducer High" Condenser Fan Motor Low Speed ODF Low Condenser Fan Motor High Speed...
  • Page 11 SYSTEM OPERATION Typical Package Cooling or Package Gas Either a thermostatic expansion valve or restrictor orifice assembly may be used depending on model, refer to the parts catalog for the model being serviced. Restrictor Orifice Assembly in Cooling Operation In the cooling mode, the orifice is pushed into its seat forcing refrigerant to flow through the metered hole in the center of the orifice.
  • Page 12: Scheduled Maintenance

    10. Start the system and run a Heating Performance Test. SCHEDULED MAINTENANCE If the results of the test are not satisfactory, see the Servicing sections for the possible cause. Package gas units require regularly scheduled maintenance to preserve high performance standards, Test Equipment prolong the service life of the equipment, and lessen the Proper test equipment for accurate diagnosis is as...
  • Page 13 SCHEDULED MAINTENANCE 7. Use this formula to calculate the BTU/HR input (See BTU/HR Calculation Example): Cubic Feet per Hour (CFH) x BTU content of your natural gas = BTU/HR input gas meter to make a full revolution. In Table 1, one 8.
  • Page 14: Servicing

    SERVICING 3. If any wires must be replaced, replace with comparable gauge and insulation thickness. Checking Voltage BRANCH CIRCUIT AMPACITY 15 20 25 30 35 40 45 50 WARNING SUPPLY WIRE LENGTH - FEET High Voltage! Disconnect all power before servicing or installing.
  • Page 15: Checking Transformer And Control Circuit

    SERVICING A step-down transformer (208/240 volt primary to 24 volt secondary) is provided with each unit. This allows ample capacity for use with resistance heaters. The outdoor sections do not contain a transformer. 5 MINUTE DELAY PERIOD WITH JUMPER IN THIS POSITION 10 MINUTE DELAY PERIOD WITH...
  • Page 16: Checking Contactor Contacts

    SERVICING 3. Using a voltmeter, test across terminals. a. L1 - L2 - No voltage. Check breaker or fuses on main power supply. b. T1 to T2 - Meter should read the same as L1 to The compressor contactor and other relay holding coils are L2 in step A.
  • Page 17: Checking Low Pressure Control

    SERVICING These capacitors have a 15,000 ohm, 2 watt resistor wired across its terminals. The object of the resistor is to discharge the capacitor under certain operating Checking Low Pressure Control conditions, rather than having it discharge across the The low pressure control senses the pressure in the closing of the contacts within the switching device such as suction line and will open its contacts on a drop in the Start Relay, and to reduce the chance of shock to the...
  • Page 18: Capacitance Check (Mfd)

    SERVICING Checking Fan And Blower Motor Windings (PSC Motors) The auto reset fan motor overload is designed to protect the motor against high temperature and high amperage conditions by breaking the common circuit within the motor, similar to the compressor internal overload. However, heat generated within the motor is faster to dissipate than the compressor, allow at least 45 minutes for the overload to reset, then retest.
  • Page 19: Checking Eem Motors

    SERVICING High Voltage Connections 3/16" C L G N Motor Connector (3-pin) Motor OK when R > 100k ohm (3-pin) 1 2 3 4 5 Winding Test Checking EEM Motors The EEM motor is a one piece, fully encapsulated, 3 phase brushless DC (single phase AC input) motor with ball bearing construction.
  • Page 20: Checking Ecm Motor Windings

    SERVICING Checking ECM Motor Windings WARNING 8. Using an ohmmeter, check for continuity from the #1 & #3 (common pins) to the transformer neutral or “C” High Voltage! thermostat terminal. If you do not have continuity, the Disconnect all power before servicing or installing.
  • Page 21: Resistance Test

    SERVICING Ignition of the discharge can also occur at the venting terminal or inside the compressor, if there is sufficient contaminant air present in the system and an electrical arc occurs as the terminal vents. Ignition cannot occur at the venting terminal without the presence of contaminant air, and cannot occur externally from the venting terminal without the presence of an external ignition source.
  • Page 22: Unloader Test Procedure

    SERVICING a. Voltage check: Apply control voltage to the plug wires (18 to 28 volt ac). The measured dc volt- age at the female connectors in the plug should be around 15 to 27 vdc. b. Resistance check: Measure the resistance from the end of one molded plug lead to either of the two female connectors in the plug.
  • Page 23: Locked Rotor Test

    SERVICING Refrigeration Repair Practice DANGER Locked Rotor Test If fuse, circuit breaker, ground fault protective device, etc. Always remove the refrigerant charge in a proper manner before applying heat to the system. has tripped, this is a strong indication that an electrical problem exists and must be found and corrected.
  • Page 24: Leak Testing (Nitrogen Or Nitrogen-Traced)

    SERVICING CAUTION Using dry nitrogen, pressurize the system to 450 PSIG. Prolonged operation at suction pressures less than 20 Allow the pressure to stabilize and hold for 15 minutes PSIG for more than 5 seconds will result in overheating of the scrolls and permanent damage to the scroll tips, drive (minimum).
  • Page 25: Triple Evacuation Method (Alternate)

    SERVICING CAUTION 5. If pressure rises above 2000 microns, a leak is Operating the compressor with the suction valve closed will cause serious compressor damage. present. Check for leaks and repair. Repeat the evacuation procedure. Charge the system with the exact amount of refrigerant. 5000 See the unit nameplate for the correct refrigerant charge 4500...
  • Page 26: Superheat

    SERVICING (Units with TXV Devices) All package units with TXV devices are charged using the SUBCOOLING method at the liquid line. After subcooling is SUPERHEAT checked it is recommended to check unit superheat at the evaporator coil suction line. Before checking the superheat or replacing the valve, Checking Subcooling perform all the procedures outlined under Air Flow, Refrigerant liquid is considered subcooled when its...
  • Page 27: Thermostatic Expansion Valve

    SERVICING Overfeeding Overfeeding by the expansion valve results in high suction pressure, cold suction line, and possible liquid slugging of Checking Compressor Efficiency the compressor. The reason for compressor inefficiency is broken or damaged scroll flanks on Scroll compressors, reducing the If these symptoms are observed: ability of the compressor to pump refrigerant vapor.
  • Page 28 SERVICING Pressure vs. Temperature Chart R-410A PSIG °F PSIG °F PSIG °F PSIG °F PSIG °F PSIG °F -37.7 114.0 37.8 216.0 74.3 318.0 100.2 420.0 120.7 522.0 137.6 -34.7 38.7 74.9 100.7 121.0 137.9 116.0 218.0 320.0 422.0 524.0 -32.0 39.5 75.5...
  • Page 29 SERVICING REQUIRED LIQUID LINE TEMPERATURE LIQUID PRESSURE REQUIRED SUBCOOLING TEMPERATURE (°F) AT SERVICE VALVE (PSIG)
  • Page 30: Checking Expansion Valve Operation

    SERVICING 1. Attach a gauge manifold to the suction and liquid line dill valves. Checking expansion valve operation 2. Start the system and allow the pressures to stabilize. 1. Remove the remote bulb of the expansion valve from 3. Stop the system and check the time it takes for the the suction line.
  • Page 31: Non-Condensables

    SERVICING NOTE: The Flushing Method using R-11 refrigerant is no longer approved by Amana® Brand Heating- Cooling. Non-Condensables If non-condensables are suspected, shut down the system Suction Line Drier Clean-Up Method and allow the pressures to equalize. Wait at least 15 The POE oils used with R410A refrigerant is an excellent minutes.
  • Page 32: Airflow Adjustments

    SERVICING Heating-White Lead Cooling-Yellow Lead T1 - Low Speed T4 - Low Speed T2 - Medium Speed T5 - High Speed 1. Using a digital manometer measure the static T3 - High Speed pressure of the return duct at the inlet of the unit, (Negative Pressure).
  • Page 33: Checking Temperature Rise

    SERVICING SUPPLY RETURN SUPPLY RETURN RISE = SUPPLY - RETURN Checking Temperature Rise Testing Primary Limit Control APG/GPG units use a snap-disk type primary limit device. Sometimes referred to as “stat on a stick”. The limit setting is fixed and must not be readjusted in the field. Checking Temperature Rise Temperature rise is related to the BTUH output of the unit and the amount of air (CFM) circulated over the heat...
  • Page 34: Testing Auxiliary Limit

    SERVICING 1. Remove the wires from the auxiliary limit control terminals. 2. Using an ohmmeter, test for continuity across the two terminals. No reading indicates the control is open. WARNING Push the red reset button, test again - if still open, replace the control.
  • Page 35: Testing Inducer Motor

    SERVICING 2. If voltage is measured on one side of the control and not the other, it indicates the control is open. 3. If voltage is measured on both sides of the control the If the rollout control has opened, the circuit between the wiring to gas valve or valve is at fault.
  • Page 36: Testing Gas Valve

    SERVICING If the windings do not test continuous or a reading is obtained to ground, replace the motor. 4. After completing check and/or replacement of induced draft blower motor. 5. Turn on electrical power and verify proper unit operation. Testing Gas Valve Direct Spark Ignition (DSI) Systems A combination redundant operator type gas valve which W/R36G54-238...
  • Page 37: Checking Gas Pressure

    SERVICING 2. Remove the pressure tap fitting at the manifold if provided or check at the gas valve outlet fitting and connect another manometer or gauge. DENT OR BURR Regulator Cover Screw STREAM B The length of Dimension “A” determines the angle of Gas Stream Defraction, “B”.
  • Page 38: Checking For Delayed Ignition

    SERVICING Checking For Delayed Ignition Delayed ignition is a delay in lighting a combustible mixture of gas and air which has accumulated in the combustion c. Manifold pressure for 1 stage heat models and chamber. high stage for 2 stage heat models should be 10” w.c.
  • Page 39: High Altitude Application

    SERVICING 6. Reconnect all wires to the control and place in heating cycle. 7. As the unit fires on high stage, the manometer If the pressure switch opens after the gas valve has been negative pressure will drop to -1.0” ± 0.3” W.C. energized, the control will de-energize the gas valve and 8.
  • Page 40 SERVICING Blower Off Delay Settings speed up Testing Direct Spark Ignition (DSI) systems Thermostat calling for heat (15 second pre-purge time and COOL HEAT UNUSED 7 second trial for ignition). 1. Check for 230 VAC from L1 terminal of control module to L2.
  • Page 41 SERVICING c. No voltage present - check 9 pin connector and wires from ignition control to gas valve. If wires and connections at 9 pin connector check good, replace ignition control. System Condition d. Voltage present at gas valve terminals C and HI - Flashes/Status replace valve.
  • Page 42: Checking Flame Sensor

    SERVICING Flame Sensor INDUCER OD F PARK HIGH LOW HIGH Flame Sensor 2. Connect a microamp meter in series with this wire and terminal FS. 3. Be sure the negative side of the meter is to the wire and the positive of the meter is to terminal FS. 4.
  • Page 43: Blower Performance Data

    BLOWER PERFORMANCE DATA A/GPGM32404041 - Rise Range: 25° - 55° T4 COOLING T5 COOLING T1 HEATING SPEED T2 HEATING SPEED T3 HEATING SPEED E.S.P. SPEED SPEED WATTS RISE WATTS RISE WATTS RISE WATTS WATTS 1,050 1,020 1,119 1,010 1,110 1,083 1,052 1,017 A/GPGM32406041 - Rise Range: 30°...
  • Page 44 BLOWER PERFORMANCE DATA A/GPGM33604041** - Rise Range: 25° - 55° T4 COOLING T5 COOLING T1 HEATING SPEED T2 HEATING SPEED T3 HEATING SPEED E.S.P. SPEED SPEED WATTS RISE WATTS RISE WATTS RISE WATTS WATTS 1,115 1,265 1,448 1,440 1,075 1,230 1,403 1,390 1,030...
  • Page 45 BLOWER PERFORMANCE DATA A/GPGM34806041 - Rise Range: 30° - 60° T4 COOLING T5 COOLING T1 HEATING SPEED T2 HEATING SPEED T3 HEATING SPEED E.S.P. SPEED SPEED WATTS RISE WATTS RISE WATTS RISE WATTS WATTS 1,055 1,380 1,415 1,851 1,780 1,000 1,320 1,360 1,803...
  • Page 46 BLOWER PERFORMANCE DATA A/GPGM36108041 - Rise Range: 30° - 60° T1 LOW STAGE HEATING T2 HIGH STAGE HEATING T3 LOW STAGE T4 HIGH STAGE T5 COOLING E.S.P. SPEED SPEED HEATING SPEED COOLING SPEED SPEED WATTS RISE WATTS RISE WATTS WATTS WATTS 1,285 1,370...
  • Page 47 BLOWER PERFORMANCE DATA APGM53006041** - Rise Range: High Fire 35° - 65° APGM52406041** - Rise Range: 25° - 55° Low Fire 25° - 55° Low Heat High Heat Low Heat High Heat Low Cool High Cool Low Cool High Cool Rise Rise Rise...
  • Page 48 BLOWER PERFORMANCE DATA APGM5** CFM OUTPUT AND DIP SWITCH SETTINGS CFM Output CFM Output for DIP Switches 1 -2 / Heating for DIP Switches 5 - 6 / Cooling High SPEED Switch Switch Switch Switch High Cool MODEL Heat Heat Cool APGM52406041** 1065...
  • Page 49 BLOWER PERFORMANCE DATA GPGM52406041 - Rise Range: 25° - 55° T1 LOW STAGE HEATING T2 HIGH STAGE HEATING T3 LOW STAGE T4 HIGH STAGE T5 COOLING SPEED E.S.P. SPEED SPEED COOLING SPEED COOLING SPEED WATTS WATTS RISE WATTS RISE WATTS WATTS 1080 1021...
  • Page 50 BLOWER PERFORMANCE DATA 5 Ton Models: APGM56014041 Standard Static Drive Burners High Fire Input: 135,000 BTU/HR Horizontal Flow Down Flow External External Speed Static Speed Static SCFM SCFM Pressure Pressure (ESP), in w.c. (ESP), in w.c. 0.14 1003 0.14 0.16 0.17 0.18 0.19...
  • Page 51: Troubleshooting

    TROUBLESHOOTING The diagnostic fault code is 1 flash for a lockout due to failed ignition attempts or flame dropouts. The integrated control will automatically reset after one hour, or it can be TROUBLESHOOTING reset by removing the thermostat signal or disconnecting the electrical power supply for over five seconds.
  • Page 52 TROUBLESHOOTING Low Flame Signal (Two-Stage Models ONLY) Under some conditions, the fuel or air supply can create a nearly invisible coating on the flame sensor. This coating Open Thermal Protection Device acts as an insulator causing a drop in the flame signal. If If the primary limit switch opens, the gas valve is the flame signal drops below a predetermined value, the immediately de-energized, the induced draft and air...
  • Page 53 TROUBLESHOOTING IGNITION CONTROL DIAGNOSTIC INDICATOR CHART (SINGLE STAGE MODELS ONLY) Red Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual Internal Control Failure 1 Flash External Lockout 2 Flashes Pressure Switch Stuck Open 3 Flashes Pressure Switch Stuck Closed 4 Flashes Thermal Protection Device Open 5 Flashes...
  • Page 54 TROUBLESHOOTING IGNITION CONTROL DIAGNOSTIC INDICATOR CHART (TWO-STAGE MODELS ONLY) Red Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual Internal Control Failure 1 Flash External Lockout 2 Flashes Pressure Switch Stuck Open 3 Flashes Pressure Switch Stuck Closed 4 Flashes Thermal Protection Device Open 5 Flashes...
  • Page 55 MAINTENANCE Flame Sensor (Qualified Servicer Only) A drop in the flame current can be caused by a nearly invisible coating on the flame sensor. This coating, created MAINTENANCE by the fuel or combustion air supply, can be removed by carefully cleaning the flame sensor with steel wool. NOTE: After cleaning, the microamp signal should be stable and in WARNING the range of 4 - 6 microamps DC.
  • Page 56: Maintenance

    MAINTENANCE 3. Remove the burners. 4. Use a bottle brush to clean burner insert and inside of the burners. 5. Replace burners and manifold, inspect the burner assembly for proper seating of burners in retention slots. 6. Reconnect electrical power and gas supply. CAUTION Check the burner flames for: Label all wires prior to disconnection when servicing...
  • Page 57: Wiring Diagrams

    WIRING DIAGRAMS ECONOMIZER 24VAC/DC ROOM THERMOSTAT Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 58 WIRING DIAGRAMS NOTICE: The cutout speed & hard start settings are factory preset. Changing those settings may cause early motor failure. Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 59 WIRING DIAGRAMS A/GPGM3[24-42]***M41** BREAK FOR TWO STAGE COMPRESSOR UNUSED HEAT COOL ECON MOUNT SCREW REQUIRED SPEED-UP Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 60 WIRING DIAGRAMS A/GPGM3[48]***M41** BREAK FOR TWO STAGE COMPRESSOR UNUSED HEAT COOL ECON MOUNT SCREW REQUIRED SPEED-UP Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 61 WIRING DIAGRAMS APGM5 [24-48]***41* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 62 WIRING DIAGRAMS A/GPGM5[60]***41* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 63 WIRING DIAGRAMS GPGM5[24-48]***41* Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
  • Page 64 GOODMAN BRAND ® AMANA BRAND ® ©2020-2022 Daikin Comfort Technologies Manufacturing , L.P. is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved. ®...

This manual is also suitable for:

Gpgm3Apgm5Gpgm5

Table of Contents