Goodman CONDENSING UNITAIR CONDITIONING Installation & Service Reference Download Page 23 | Manualshive

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Summary of Contents for CONDENSING UNITAIR CONDITIONING

Page 1: ...four and a minimum of two IMPORTANT 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 instal...

Page 2: ...pads or springs can be installed between the con densing unit legs or frame and the roof mounting assembly to reduce noise vibration SAFE REFRIGERANT HANDLING While these items will not cover every co...

Page 3: ...red Insulation must be installed in a manner which protects tubing from damage and contamination Where possible drain as much residual compressor oil from existing systems lines and traps pay close at...

Page 4: ...ITROGEN CYLINDER MUST INCLUDE A PRESSURE REGULATOR AND A PRESSURE RELIEF VALVE THE PRESSURE RELIEF VALVE MUST BE SET TO OPEN AT NO MORE THAN 150 PSIG WARNING Pressure test the system using dry nitroge...

Page 5: ...protection devices are approved for use Time delay fuses HACR type circuit breakers These devices have sufficient time delay to permit the motor compressor to start and accelerate its load HIGH VOLTA...

Page 6: ...charge has bled into the system open the liquid service valve The service valve cap is the secondary seal for the valves and must be properly tightened to prevent leaks Make sure cap is clean and appl...

Page 7: ...and superheat are high adjust TXV valve to 7 to 9 F superheat then check subcooling d If subcooling is high and superheat is low adjust TXV valve to 7 to 9 F superheat and remove charge to lower the...

Page 8: ...another In a traditional system the thermostat sends commands to the indoor and outdoor units via analog 24 VAC signals It is a one way communication path in that the indoor and outdoor units typical...

Page 9: ...mostat CT Compatible Air Handler Furnace Modular Blower Integrated Control Module CT Compatible AC HP Integrated Control Module 1 2 R C System Wiring Using Four Wires TWO WIRE OUTDOOR FOUR WIRE INDOOR...

Page 10: ...displayed in the scrolling display area while the data is being retrieved The first sub menu is then displayed See tables below for listing of air conditioner submenus Touch the or _ to step through t...

Page 11: ...ecent AC HP fault For display only Fault 6 FAULT 6 Least recent AC HP fault For display only Clear Fault History CLEAR NO or YES Selecting YES clears the fault history NOTE Consecutively repeated faul...

Page 12: ...bmenu Item Indication for Display Only not User Modifiable Mode MODE Displays the current air conditioner or heat pump operating mode CFM CFM Displays the airflow for the current operating mode STATUS...

Page 13: ...s dc Data 2 should be approximately 2 2 volts dc The voltage difference between data 1 and data 2 should be approximately 0 6 volts dc Verify that the bus TERM dipswitches are in the ON position 1 2 O...

Page 14: ...are securely twisted together prior to inserting into terminal block Verify installation type legacy traditional or communicating Check data 1 data 2 voltages Rapid Flashing Normal network traffic Co...

Page 15: ...rcuit Test Control Circuit with Voltmeter Low Voltage Test Voltage Faulty Evaporator Fan Motor Repair or Replace Shorted or Grounded Fan Motor Test Motor Windings Improper Cooling Anticipator Check Re...

Page 16: ...e indicated code 6 Flashes ON OFF OFF x Board miss operation INTERNAL FAULT EE x Compressor relay contacts welded x Replace control x Turn power OFF prior to repair x Replace with correct replacement...

Page 17: ...emory card x Error code will be cleared once data is loaded Applies only to fully communicating system using ComfortNet thermostat x Air conditioner heat pump fails to operate x Air conditioner heat p...

Page 18: ...indoor blower motor repair replace as needed x Check indoor thermostat setting x Turn power OFF prior to repair x Fault will clear after 30 consecutive normal cycles x Fault may be cleared by cycling...

Page 19: ...tdoor fan motor capacitor replace as needed x Turn power OFF prior to repair x Replace with correct replacement part s x Compressor and outdoor fan are off x Low pressure switch trip 3 times within sa...

Page 20: ...ompressor repair replace as needed x Check compressor wiring repair replace as needed x Turn power OFF prior to repair x Fault will clear after 1 normal cycle x Fault may be cleared by cycling 24VAC t...

Page 21: ...all x Open Run Circuit Lockout OPEN RUN LOCK 07 x Compressor run winding is open x Compressor not properly wired to control x Faulty compressor wiring x Check compressor repair replace as needed x Che...

Page 22: ...Check transformer replace if needed x Turn power OFF prior to repair x Fault will clear if secondary voltage rises above 21VAC x Replace with correct replacement part s x Compressor is off x Integrat...

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Page 24: ...rant Loss of refrigerant can cause poor operation and or severe equipment damage Do not use a condensing unit cover to protect the outdoor unit during the winter unless you first discuss it with your...

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