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SERVICING

15

If the windings do not test continuous or a reading is 

obtained from lead to ground, replace the motor.

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. The EEM features an integral control 

module. 

NOTE: The GE TECMate will not operate the currently 

used EEM  motor.

1.    Using a voltmeter, check for 230 volts to the motor 

connections L and N. If 230 volts is present, proceed 

to step 2. If 230 volts is not present, check the line 

voltage circuit to the motor.

2.    Using a voltmeter, check for 24 volts from terminal C 

to either terminal 1, 2, 3, 4 or 5, depending on which 

tap is being used, at the motor. If voltage is present, 

proceed to step 3. If no voltage, check 24 volt circuit 

to motor.

3.    If voltage was present in steps 1 and 2, the motor 

has failed and will need to be replaced. 

NOTE: When replacing motor, ensure the belly band is 

between the vents on the motor and the wiring has the 

proper drip loop to prevent condensate from entering 

the motor.

C L G N

1 2 3 4 5

High Voltage

Connections

3

/

16"

Low Voltage Connections

1/4

EEM Motor Connections 

Checking ECM Motors

An ECM is an 

Electronically Commutated Motor

 which 

offers many significant advantages over PSC motors. 

The ECM has near zero rotor loss, synchronous machine 

operation, variable speed, low noise, and programmable 

air 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 with a VOM 

meter, one can easily perform basic troubleshooting on 

ECM motors. An ECM motor requires power (line voltage) 

and a signal (24 volts) to operate. The ECM motor stator 

contains permanent magnet. As a result, the shaft feels 

“rough” when turned by hand. This is a characteristic of the 

motor, not an indication of defective bearings.

WARNING

Line voltage now present.

1.  Disconnect the 5-pin connector from the motor.

2.  Using a volt meter, check for line voltage at terminals 

#4 & #5 at the power connector. If no voltage is 

present:

3.  Check the unit for incoming power.

4.  Check the control board.

5.  If line voltage is present, reinsert the 5-pin connector 

and remove the 16-pin connector. 

6.  Check for signal (24 volts) at the transformer.

7.  Check for signal (24 volts) from the thermostat to the 

“G” terminal at the 16-pin connector.

8.  Using an ohmmeter, check for continuity from the #1 

& #3 (common pins) to the transformer neutral or “C” 

thermostat terminal. If you do not have continuity, the 

motor may function erratically. Trace the common 

circuits, locate and repair the open neutral. 

9.  Set the thermostat to “Fan-On”. Using a voltmeter, 

check for 24 volts between pin # 15 (G) and common.

10. Disconnect power to compressor. Set thermostat to 

call for cooling. Using a voltmeter, check for 24 volts 

at pin # 6 and or #14. 

11.  Set the thermostat to a call for heating. Using a 

voltmeter, check for 24 volts at pin #2 and/or #11.

          

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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