Service And Maintenance - McQuay (5) CCX Series Montageanleitung

Service Parts
Indoor air filter
Indoor unit
Condense drain pan
& pipe
Indoor fan
Indoor / outdoor coil
Power supply
Compressor
Compressor oil
Fan motor oil
If any malfunction of the air conditioner unit is noted, immediately switch off the power supply to the unit. Check the
following fault conditions and causes for some simple troubleshooting tips.
1. The compressor does not operate 3 minutes after the air
conditioner unit is started.
2. The air conditioner unit does not operate.
3. The air flow is too low.
4. The remote control display is dim.
5. Discharge air flow has bad odour.
6. Condensation on the front air grille of the indoor unit.
7. Water flowing out from the air conditioner unit.
8. Hissing air flow sound from the air conditioner unit
during operation.
*If the fault persists, please call your local dealer / serviceman.

SERVICE AND MAINTENANCE

Maintenance Procedures
1. Remove any dust adhering on the filter by using a vacuum cleaner
or wash in lukewarm water (below 40°C) with a neutral cleaning
detergent.
2. Rinse well and dry the filter before placing it back onto the unit.
3. Do not use gasoline, volatile substances or chemicals to clean the
filter.
1. Clean any dirt or dust on the grille or panel by wiping it with a soft
cloth soaked in lukewarm water (below 40°C) with neutral detergent
solution.
2. Do not use gasoline, volatile substances or chemicals to clean the
indoor unit.
1. Check its cleanliness and clean it if necessary.
1. Check for any abnormal noise.
1. Check and remove any dirt clogged between the fins.
2. Check and remove any obstacles that hinder air flowing into and out
of the indoor/outdoor unit.
1. Check the voltage and current of the indoor and outdoor unit.
2. Check the electrical wiring for any faulty contacts caused by loose
connections, foreign matters, etc. Tighten the wires onto the terminal
block if necessary.
1. No maintenance needed if the refrigerant circuit remains sealed.
However, check for any refrigerant leaks at all joints and fitting.
1. The compressor oil is factory-precharged. It is not necessary to add
any oil if the circuit remains sealed.
1. All motor pre-lubricated and sealed at factory.
TROUBLESHOOTING
Fault Causes / Action
• Protection against frequent starting. Wait for 3 to 4 minutes for
the compressor to start operating.
• Power failure, or the fuse needs to be replaced.
• The power plug is disconnected.
• It is possible that your delay timer has been set incorrectly.
• If the fault persist after all these verifications, please
contact the air conditioner unit installer.
• The air filter is dirty.
• The doors or windows are open.
• The air suction and discharge are clogged.
• The regulated temperature is not high enough.
• Battery flat.
• The batteries are placed incorrectly.
• Odours may be caused by cigarettes, smoke particles, perfume
etc. which might have adhered onto the coil.
• This is caused by air humidity after an extended long period of
operation.
• The set temperature is too low, increase the temperature setting
and operate the unit at high fan speed.
• Check the condensate evacuation.
• Refrigerant fluid flowing into the evaporator coil.
8
Period
At least once every 2
weeks.
More frequently if
necessary.
At least once every 2
weeks.
More frequently if
necessary.
Every 3 months.
When necessary.
Every month.
Every month.
Every 2 months.
Every 2 months.
Every 6 months.
No maintenance required.
No maintenance required.