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Service and Troubleshooting

A/GPC 14 Seer Cooling, A/GPH 14 & 16 Seer Heat Pump

Multi-Position Package Units with R-410A Refrigerant

RS6300013r5

April 2021

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 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 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.

WARNING

TABLE OF CONTENTS

IMPORTANT INFORMATION ............................................ 2

PRODUCT IDENTIFICATION ........................................... 3

SYSTEM OPERATION ...................................................... 7

SCHEDULED MAINTENANCE ....................................... 10

SERVICING ..................................................................... 11

CHECKING VOLTAGE ............................................... 11

CHECKING WIRING ................................................... 11

CHECKING THERMOSTAT AND WIRING ................. 11

CHECKING TRANSFORMER AND

CONTROL CIRCUIT .................................................... 11

CHECKING CONTACTOR AND/OR RELAYS ............ 12

CHECKING CONTACTOR CONTACTS ...................... 12

CHECKING LOW PRESSURE CONTROL ................. 12

CHECKING HIGH PRESSURE CONTROL ................ 13

CHECKING CAPACITOR ............................................ 13

RESISTANCE CHECK ................................................ 14

CAPACITANCE CHECK .............................................. 14

CHECKING FAN AND BLOWER MOTOR WINDINGS

(PSC MOTORS) .......................................................... 14

CHECKING EEM MOTORS ....................................... 14

CHECKING ECM MOTORS ........................................ 15

CHECKING ECM MOTOR WINDINGS ....................... 16

CHECKING COMPRESSOR ....................................... 16

RESISTANCE TEST .................................................... 17

GROUND TEST .......................................................... 17

UNLOADER TEST PROCEDURE ............................. 18

OPERATION TEST...................................................... 18

LOCKED ROTOR TEST ............................................. 18

TESTING CRANKCASE HEATER .............................. 19

CHECKING CRANKCASE HEATER THERMOSTAT .. 19

CHECKING REVERSING VALVE AND SOLENOID ... 19

TESTING DEFROST CONTROL ................................ 19

TESTING DEFROST THERMOSTAT .......................... 20

CHECKING HEATER LIMIT CONTROL(S) ................. 20

CHECKING HEATER ELEMENTS .............................. 20

REFRIGERATION REPAIR PRACTICE ...................... 20

Brand

Содержание A/GPC 14

Страница 1: ...mproper installation adjustment servicing 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 tr...

Страница 2: ...es seek medical help immediately Always follow EPA regulations Never burn refrigerant as poisonous gas will be produced WARNING To avoid possible injury explosion or death practice safe handling of re...

Страница 3: ...PRODUCT IDENTIFICATION 3 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...

Страница 4: ...PRODUCT IDENTIFICATION 4 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...

Страница 5: ...e Heat Pump 14 SEER R410A Multiposition heating cooling units Initial release of single phase models GPH14 24 60 M41AA Goodman Brand Package Heat Pump 14 SEER R410A Multiposition heating cooling units...

Страница 6: ...s Release of models with access box removed APH1660M41AA Amana Brand Package Heat Pump up to 16 SEER R410A Multiposition heating cooling units Converting light commercial 6 ton unit to 5 ton residenti...

Страница 7: ...the gas through the tubes and fins of the coil The refrigerant now becomes saturated part liquid part vapor and then continues to give up heat until it condenses to a liquid alone Once the vapor is fu...

Страница 8: ...60A or OT EHR18 60A Emergency Heat Mode Heat Pumps NOTE The following only applies if the unit has an approved electric heat kit installed for auxiliary heating A GPH EEM Equipped Models Only With the...

Страница 9: ...RATION 9 Indoor Coil Accumulator Outdoor Coil Reversing Valve Energized Indoor Coil Accumulator Outdoor Coil Reversing Valve De Energized Typical Heat Pump System in Cooling Typical Heat Pump System i...

Страница 10: ...MOTOR FAILURE DO NOT OIL 4 Manually rotate the outdoor fan and indoor blower to be sure they run freely 5 Inspect the control panel wiring compressor connections and all other component wiring to be s...

Страница 11: ...tion and loose connections 2 Use an ohmmeter to check continuity of any suspected open wires 3 If any wires must be replaced replace with comparable gauge and insulation thickness Checking Thermostat...

Страница 12: ...alling Multiple power sources may be present Failure to do so may cause property damage personal injury or death 1 Remove the leads from the holding coil 2 Using an ohmmeter test across the coil termi...

Страница 13: ...ents are not required on Scroll compressor equipped units due to a non replaceable check valve located in the discharge line of the compressor However hard start kits are available and may improve low...

Страница 14: ...OHM resistor before handling Using a hookup as shown below take the amperage and voltage readings and use them in the formula Capacitance MFD 2650 X Amperage Voltage Testing Capacitance Checking Fan...

Страница 15: ...flow Because of the sophisticated electronics within the ECM motor some technicians are intimated by the ECM motor however these fears are unfounded GE Regal Beloit offers two ECM motor testers and wi...

Страница 16: ...may be open Allow motor to cool and retest 16 pin connector 5 pin connector 3 pin motor connector Checking Compressor WARNING Hermetic compressor electrical terminal venting can be dangerous When insu...

Страница 17: ...ontinuous replace the compressor NOTE If an open compressor is indicated allow ample time for the internal overload to reset before replacing compressor Ground Test If fuse circuit breaker ground faul...

Страница 18: ...olded plug lead to either of the two female connectors in the plug One of the connectors should read close to zero ohms while the other should read infinity Repeat with other wire The same female conn...

Страница 19: ...sition part of the discharge gas from the compressor is directed back to the suction side resulting in excessively high suction pressure An increase in the suction line temperature through the reversi...

Страница 20: ...heaters may be added in the quantities shown in the spec sheet for each model unit to provide electric resistance heating Under no condition shall more heaters than the quantity shown be installed WA...

Страница 21: ...xygen high pressure air or flammable gases for leak testing of a refrigeration system WARNING To avoid possible explosion the line from the nitrogen cylinder must include a pressure regulator and a pr...

Страница 22: ...utes 3 Evacuate the system to 500 microns and hold for 60 minutes 4 If the pressure rises to 1000 microns or less and remains steady the system is considered leak free proceed to start up Charging WAR...

Страница 23: ...tact and the pressure of the refrigerant in the coil This regulation of the flow prevents the return of liquid refrigerant to the compressor The illustration below shows typical heatpump TXV check val...

Страница 24: ...60 8 6 162 0 57 0 264 0 87 4 366 0 110 4 468 0 129 0 600 0 149 0 62 10 0 164 0 57 7 266 0 87 9 368 0 110 8 470 0 129 3 604 0 149 5 64 11 3 166 0 58 4 268 0 88 4 370 0 111 2 472 0 129 7 608 0 150 1 66...

Страница 25: ...88 86 84 82 80 78 308 90 88 86 84 82 80 317 92 90 88 86 84 82 326 94 92 90 88 86 84 335 96 94 92 90 88 86 345 98 96 94 92 90 88 354 100 98 96 94 92 90 364 102 100 98 96 94 92 374 104 102 100 98 96 94...

Страница 26: ...143 B Corresponding Temp F 50 C Thermometer on Suction Line 61 F To obtain the degrees temperature of superheat subtract 50 0 from 61 0 F The difference is 11 Superheat The 11 Superheat would fall in...

Страница 27: ...is complete Subcooling Sat Liquid Temp Liquid Line Temp Heat Pump Heating Cycle The proper method of charging a heat pump in the heat mode is by weighing the charge according to the total charge list...

Страница 28: ...ill valves 2 Start the system and allow the pressures to stabilize 3 Stop the system and check the time it takes for the high and low pressure gauge readings to equalize If it takes more than seven 7...

Страница 29: ...o burned residue and contaminates 1 Remove compressor discharge line strainer 2 Remove the liquid line drier and expansion valve 3 Purge all remaining components with dry nitrogen or carbon dioxide un...

Страница 30: ...if so desired 4 Consult proper table for quantity of air If the external static pressure exceeds the minimum or maximum allowable statics check for closed dampers dirty filters undersized or poorly l...

Страница 31: ...JUNCTION BOX BL W2 C R Y O W1 G E TYPICAL HP ROOM THERMOSTAT 1 2 OUTDOOR THERMOSTAT CLOSE ON TEMPERATURE FALL PACKAGE UNIT LOW VOLTAGE JUNCTION BOX BLUE BROWN WHITE ORANGE GREEN YELLOW RED SEE NOTE 1...

Страница 32: ...Y G R BL BL BR W BR W 3 BL Y PACKAGE SYSTEM WIRING DIAGRAM HEAT PUMPS ONLY TWO STAGE ELECTRIC HEAT ABOVE 10 kW For outdoor temperatures below 0 F with 50 or higher relative humidity set outdoor therm...

Страница 33: ...ONE 1 ELEMENT ROWS TWO 2 ELEMENT ROWS FL M1 M2 FL FL M1 M2 M3 M4 5 KW 10 KW L1 BK BK L2 L1 L2 R Y M1 M2 BK R Y R R1 M4 R BK M3 HTR3 TL HTR2 HTR1 TL TL PU M2 R2 Y M1 BL W BR BL R BK R BK TL HTR1 BK HT...

Страница 34: ...EX 3597706 500 48926 002 ORANGE 1 X 78 GROUND 1 X 50 COLOR CODES FOR PLUG 1 8 O ORANGE GROUND G GREEN WIRE LENGTHS FOR PLUG 1 9 8 7 3 2 1 G Y2 TSTAT Y1 CONTACTOR COMMON Y1 TSTAT O 6 5 4 CC1 Y Y2 CONTA...

Страница 35: ...VE BLACK WIRE FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER 4 START ASSIST FACTOR EQUIPPED WHEN REQUIRED 5 USE COPPER CONDUCTORS ONLY USE N E C CLASS 2 WIRE 6 CRANKCASE HEATER OPTIONAL 7 DOUBLE POLE CO...

Страница 36: ...5 C USE COPPER CONDUCTO R ONLY 2 TO CHANGE EVAPORATOR MOTOR SPEED MOVE YELLOW AN D WHITE LEADS FROM EM 2 AND 3 TO 4 AND 5 IF BO TH LEADS ARE ENERGIZED THE HIGHER SPEED SETTING IS USED 3 FOR 208 VOLT T...

Страница 37: ...WHITE LEADS FROM EM 2 AND 3 TO 4 AND 5 IF BO TH LEADS ARE ENERGIZED THE HIGHER SPEED SETTING IS USED 3 FOR 208 VOLT TRANSFORMER OPERATION MOVE BLACK W IRE FROM TERMINAL 3 TO TERMINAL 2 ON TRANSFORMER...

Страница 38: ...FROM VSTB AND TO THERMOSTAT R SEE INSTALLATION INSTRUCTIONS FOR DETAILS CUT HUM JUMPER ON VSTB SEE UNIT RATING PLATE FOR TYPE AND SIZE OF OVER CURRENT PROTECTION 208 230 1 60 0140G03222 A COM P ON E...

Страница 39: ...RD RED 4 DFT BR BK BK CNT Y1 TR 0 H R O GR Y1 C 2 2 C 3 BR SUPPLY VOLTAGE WH O RD Y1 BL SEE NOTE 7 BOX GR GR GREEN RD PU GR GR 240 C T3 24V OR BL CCR WH C 6 STAT W WH PLF2 WH C EM WH W Y2 SEE NOTE 5...

Страница 40: ...3 TO 4 AND 5 IF BOTH LEADS ARE ENERGIZ ED THE HIGHER SPEED SETTING IS USED 3 FOR 208 VOL T TR ANSFORM ER OPERATION MOVE BLACK W IRE FROM TERMINAL 3 TO TERMINAL 2 ON TRANSF ORM ER 4 START ASSIS T FACTO...

Страница 41: ...1 BL SEE NOTE 7 BOX GR GR GREEN RD GR GR 240 C T3 24V OR BL CCR C 6 WH PLF2 C EM WH SEE NOTE 5 REPLACE JUMPER WITH SMOKE FIRE DETECTOR 5 RD T2 LPS PLF 1 R BK C 2 R PS1 S N HPS BL LINE VOLTAGE 1 2 C NO...

Страница 42: ...ontact us Amana Brand Products http www amana hac com about us contact us You can also scan the QR code on the right for the product brand you purchased to be directed to the feedback page GOODMAN BRA...

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