Why is McQuay seasoncon ALP-067A compressor noisy or vibrating?
A noisy or vibrating McQuay Air Conditioner compressor could be due to: * Refrigerant flooding into the crankcase: Check the setting of the expansion valve. * Improper piping support on the suction or liquid line: Relocate, add, or remove hangers. * A worn compressor: Replacement may be necessary.
What causes high discharge pressure in McQuay Air Conditioner?
High discharge pressure in your McQuay Air Conditioner can be caused by: * Non-condensibles in the system: Purge them. * System overcharged with refrigerant: Remove the excess. * Discharge shut off valve partially closed: Open the valve. * Seasontrol out of adjustment: Adjust the Seasontrot valves. * Fan not running: Check the belts and electrical circuit.
What to do if McQuay Air Conditioner has low suction pressure?
Low suction pressure in your McQuay Air Conditioner may be due to several factors: * Lack of refrigerant: Check for leaks, repair, and add refrigerant. * Evaporator dirty: Clean it chemically. * Clogged liquid line filter/drier: Replace the cartridge(s). * Clogged suction line or compressor suction gas strainers: Clean the strainers. * Expansion valve malfunctioning: Check and reset for proper superheat. * Condensing temperature too low: Check the means for regulating condensing temperature. * Compressor will not unload: See Corrective Steps for failure of compressor to unload.
What causes low discharge pressure in McQuay seasoncon ALP-067A?
Low discharge pressure in a McQuay Air Conditioner can stem from: * Faulty condenser temperature regulation: Check the condenser control operation. * Suction shut-off valve partially closed: Open the valve. * Insufficient refrigerant in the system: Check for leaks, repair, and add charge. * Low suction pressure: See Corrective Steps for low suction pressure below. * Compressor operating unloaded: See Corrective Steps for failure of compressor to load up below.
Why is there high suction pressure in my McQuay seasoncon ALP-067A Air Conditioner?
High suction pressure in your McQuay Air Conditioner may occur due to: * Excessive load: Reduce the load or add additional equipment. * Expansion valve overfeeding: Check the remote bulb and regulate superheat. * Compressor unloaders open: See Corrective Steps below for failure of compressor to load up.
Why McQuay seasoncon ALP-067A compressor will not unload or load up?
If your McQuay Air Conditioner compressor won't unload or load up, it could be due to: * Defective capacity control: Replace it. * Pressurestat not set for application: Reset the pressurestat setting to fit the application.
What causes McQuay seasoncon ALP-067A Air Conditioner compressor loses oil?
If your McQuay Air Conditioner compressor is losing oil, it could be due to: * Lack of refrigerant: Check for leaks, repair, and add refrigerant. * Excessive compression ring blow-by: Replace the compressor.
General| Model | ALP-067A |
|---|---|
| Category | Air Conditioner |
| Cooling Capacity | 6.7 kW |
| Refrigerant | R410A |
| Indoor Sound Pressure Level | 42 dB(A) |
| Power Supply | 220-240V, 50Hz |
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