Overall Checking; Service And Maintenance; Trouble Shooting - McQuay CC-Serie Installationsanleitung

Ensure the following, in particular:-
1) The unit is mounted solidly and rigid in position.
2) Piping and connections are leak proof after charging.
3) Proper wiring has been done.
Drainage check - pour some water into left side of drain pan (drainage is at the right side of the unit).
NOTE:
• The installation guide above covers only the fan coil unit. For installation of outdoor (chiller mini chiller etc) please refer to
the installation guide for such unit.
• The installation of fan coil unit may vary according to the type of outdoor unit.
• Installation must be done by qualified personnel who are familiar with this type of product.
Disconnect from the main supply before servicing the air conditioner unit.
Service Parts
Indoor Air Filter
Indoor Unit
When 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 trouble shooting tips.
1. The compressor does not start operate after 3 minutes
from starting the air conditioner unit.
2. The air conditioner unit does not operate.
3. The air flow is too low.
4. Discharge air flow has bad odor.
5. Condensation on the front air grille of the indoor unit.
6. Water flowing out from the air conditioner unit.
If the fault persists, please call your local dealer / serviceman.

OVERALL CHECKING

SERVICE AND MAINTENANCE

! Warning
Maintenance Procedures
1. Remove any dust adhere on the filter by using a vacuum cleaner
or wash in lukewarm water (below 40°C) with neutral cleaning
detergent.
2. Rinse the filter well and dry before placing it back onto the unit.
3. Do not use gasoline, volatile substances or chemical to clean
the filter.
1. Clean any dirt or dust on the grille or panel by wiping it off
with soft cloth soaked in lukewarm water (below 40°C) with
neutral detergent solution.
2. Do not use gasoline, volatile substances or chemical to clean
the indoor unit.

TROUBLE SHOOTING

Fault Causes / Action
- Protection against frequent starting. Wait for 3 to 4
minutes for the compressor to start operating.
- Power failure, or the fuse need 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.
- Odors 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.
- Switch off unit and call dealer.
1-8
Period
At least once every
2 weeks.
More frequently if
necessary.
At least once
every 2 weeks.
More frequently if
necessary.