Goodman Mfg R-410A manual Chart from Previous

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CHART CONTINUED FROM PREVIOUS PAGE

 

 

 

Troubleshooting Chart for ECM Variable Speed Air Circulator Blower Motors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

 

Fault Description(s)

Possible Causes

Corrective Action

Cautions and Notes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Check low voltage (Thermostat)

- Turn power OFF prior to repair.

 

 

 

 

- Stays at low CFM despite

- 24 Vac wires miswired or loose.

wires and connections.

Wait 5 minutes after

 

 

 

 

- Verify fan is not in delay mode -

disconnecting power before

 

 

 

 

system call for cool

- "R" missing/not connected at motor.

 

 

 

 

wait until delay complete.

opening motor.

 

 

 

 

or heat CFM.

- Fan in delay mode.

 

 

 

 

- Perform motor/control replacement

- Handle electronic motor/control

 

 

 

 

 

 

 

 

 

 

 

 

check, ECM motors only.

with care.

 

 

- Motor starts,

 

 

 

 

 

 

 

 

 

 

 

- Turn power OFF prior to repair.

 

 

but runs

 

 

 

- Is fan in delay mode? - wait until delay time complete.

Wait 5 minutes after

 

 

erratically.

 

 

- "R" missing/not connected at motor.

disconnecting power before

 

 

 

- Stays at high CFM.

- Perform motor/control replacement check, ECM

 

 

 

 

- Fan in delay mode.

opening motor.

 

 

 

 

 

motors only.

 

 

 

 

 

 

- Handle electronic motor/control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with care.

 

 

 

 

 

 

 

 

 

 

 

 

- Blower won't shut off.

- Current leakage from controls

- Check for Triac switched t'stat

- Turn power OFF prior to repair.

 

 

 

 

into G, Y, or W.

or solid state relay.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- High static creating high blower speed.

- Check/replace filter.

 

 

 

 

 

 

- Incorrect supply or return ductwork.

 

 

 

 

 

- Air noise.

- Check/correct duct restrictions.

- Turn power OFF prior to repair.

 

 

 

 

- Incorrect or dirty filter(s).

 

 

 

 

 

- Adjust to correct blower speed setting.

 

 

 

 

 

 

- Incorrect blower speed setting.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Loose blower housing, panels, etc.

- Check for loose blower housing,

 

 

 

- Excessive

 

 

- High static creating high blower

panels, etc.

 

 

 

 

- Noisy blower or cabinet.

speed.

- Check for air whistling thru seams in

- Turn power OFF prior to repair.

 

 

noise.

 

 

- Air leaks in ductwork, cabinets,

ducts, cabinets or panels.

 

 

 

 

 

 

or panels.

- Check for cabinet/duct deformation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- High static creating high blower speed.

- Does removing panel or filter

 

 

 

 

 

 

reduce "puffing"?

 

 

 

 

 

- "Hunts" or "puffs" at

- Incorrect or dirty filter(s).

 

 

 

 

 

- Check/replace filter.

- Turn power OFF prior to repair.

 

 

 

 

high CFM (speed).

- Incorrect supply or return ductwork.

 

 

 

 

- Check/correct duct restrictions.

 

 

 

 

 

 

- Incorrect blower speed setting.

 

 

 

 

 

 

- Adjust to correct blower speed setting.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

- Turn power OFF prior to repair.

 

 

 

 

- Motor failure or

 

 

Wait 5 minutes after

 

 

- Evidence of

 

malfunction has

- Moisture in motor/control module.

- Replace motor and perform

disconnecting power before

 

 

Moisture.

 

occurred and moisture

Moisture Check.*

opening motor.

 

 

 

 

 

 

 

 

is present.

 

 

- Handle electronic motor/control

 

 

 

 

 

 

 

with care.

 

 

 

 

 

 

 

 

 

 

*Moisture Check

 

 

 

 

 

 

 

- Connectors are

oriented "down" (or as recommended by equipment manufacturer).

- Arrange harnesses with "drip loop" under motor.

 

 

 

- Is condensate drain plugged?

 

- Check for low airflow (too much latent capacity).

 

 

 

- Check for undercharged condition.

 

- Check and plug leaks in return ducts, cabinet.

 

 

 

Note: You must use the correct replacement control/motor module since they are factory programmed for specific operating modes. Even though they look alike, different modules may have completely different

29

functionality. The ECM variable speed motors are c

 

 

 

 

Important Note: Using the wrong motor/control module voids all product warranties and may produce unexpected results.

 

 

SERVICING

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Page 28 Page 30
Contents Service Instructions Product Design Scheduled MaintenanceSystem Operation Servicing16B Checking Fan & Blower Motor ECM Motors Wiring DiagramsImportant Information Recognize Safety SYMBOLS, Words and LabelsSafe Refrigerant Handling Product Identification Part Number Description Fits Models AccessoriesMeasurement in inches Filter Size 16 x 25 xRequires 1 filter MOTORIZED/MANUAL Fresh AIR Dampers Downflow Applications ACCESSORIES*PH1524-60M4Model Model Return SupplyEconomizer GPH13MED103 PGC101/102/103 46 1/4 39 3/8 14 1/2 12 1/2 x 15 x 22 1/2 Roof CurbsLocation & Clearances Product DesignIndoor Blower Motor CompressorsLine Voltage Wiring Electrical WiringCooling System OperationHeating Cycle Cooling CycleFAN Operation Airflow Adjustments for Indoor Blower MotorDefrost Cycle CFM Trim Adjust Thermostat Fan Only ModeThermostat Wiring CFM DeliveryTypical Heat Pump System in Heating Typical Heat Pump System in CoolingOnce a Year Scheduled MaintenanceOnce a Month Servicing Cooling /HEAT PUMP- Service Analysis GuideLine Voltage NOW Present Checking Voltage3B Cooling Anticipator Checking Wiring3C Heating Anticipator Indoor Blower MotorThree Phase Single PhaseChecking Transformer and Control Circuit Checking Contactor ContactsChecking Capacitor Checking Loss of Charge ProtectorChecking High Pressure Control 15B Capacitance Check 15A Resistance CheckAmmeter RELAY, StartAPH15 M Series Only Checking MotorsChart on Next Chart from Previous Checking Compressor Windings 16D Checking GE X13TM MotorsGPH15 M Series Only GE X13TM Motor Connections17A Resistance Test Testing Compressor Windings17B Ground Test Compressor Ground Test17D Operation Test 17C Unloader Test ProcedureUnloader Test Procedure Testing Defrost Control Testing Crankcase HeaterTesting Defrost Thermostat Checking Reversing Valve and SolenoidRefrigeration Repair Practice Leak Testing Nitrogen or NITROGEN-TRACEDEvacuation Brazing MaterialsAn inaccurately charged system will cause future prob- lems ChargingChecking Compressor Efficiency Final Charge AdjustmentThermostatic Expansion Valve TXV ValvesOverfeeding Superheat and Subcooling Adjustment on TXV ApplicationsUnderfeeding SuperheatTwo Speed Application *PH1548**-*PH1560 Checking SubcoolingSubcooling = SAT. Liquid TEMP. Liquid Line Temp Heat Pump Heating CyclePressure vs. Temperature Chart 410A Required Liquid Line Temperature Checking Restricted Liquid Line Checking Expansion Valve OperationRefrigerant Overcharge NON-CONDENSABLESSuction Line Drier Clean-Up Method Reversing Valve ReplacementChecking Temperature Rise Checking Temperature RiseChecking External Static Pressure Total External StaticOT18-60A Outdoor Thermostat Wiring DiagramsRoom Thermostat PH15**M4 Single Phase HKR** Heat KITGPH13MED Economizer for *PH15**M4 Diagrams
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Manual 26 pages 45.36 Kb

R-410A specifications

Goodman Manufacturing, a well-respected name in the HVAC industry, has made significant advancements with their R-410A refrigerant technology. R-410A, a hydrofluorocarbon (HFC), has positioned itself as a superior alternative to the older R-22 refrigerant, which has been phased out due to its ozone-depleting properties. Goodman’s commitment to energy efficiency and environmental sustainability is well reflected in their use of R-410A in their air conditioning and heat pump systems.

One of the main features of Goodman’s R-410A systems is their exceptional energy efficiency. The R-410A refrigerant operates at a higher pressure than R-22, which allows for better heat transfer and improved cooling capacity. This results in reduced energy consumption and lower utility bills for consumers. Goodman’s air conditioning units designed for use with R-410A are often rated with high Seasonal Energy Efficiency Ratio (SEER) ratings, making them an eco-friendly choice for residential and commercial applications.

Another notable technology employed by Goodman is their commitment to reliable performance through advanced compressor designs. Goodman's scroll compressors are optimized for R-410A, ensuring quieter operation and reducing vibration levels. These compressors are known for their efficiency and longevity, making them a favorite among homeowners seeking dependable and durable climate control solutions.

Goodman's multi-stage cooling systems that utilize R-410A offer precise temperature control and enhanced comfort. By controlling the speed of the compressor, Goodman’s units can adjust output according to the heating or cooling demand, maximizing comfort while minimizing energy waste. This adaptability not only enhances indoor air quality but also contributes to a greener environment by using less energy.

Furthermore, Goodman incorporates high-tech diagnostic controls into their systems. These controls provide real-time performance data, allowing homeowners and technicians to monitor system status and troubleshoot issues more easily. By using R-410A combined with these innovative technologies, Goodman emphasizes reliability and user-friendly operation.

In conclusion, Goodman Manufacturing’s use of R-410A refrigerant reflects their dedication to efficiency, reliability, and environmental stewardship in HVAC solutions. The combination of advanced compressor technologies, high energy efficiency, and innovative controls solidifies Goodman’s reputation as a leader in the industry, offering homeowners and businesses the comfort and peace of mind they deserve.
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