7
English
OVERALL CHECKING
Error Description
Cool LED
Error Indication
Room sensor error
1 blink
E1
Pipe water sensor error
2 blinks
E2
Water pump error
6 blinks
E6
Pipe water temperature fault
5 blinks
E5
*Window open activated
3 blinks
-
*Antifreeze mode activated
7 blinks
-
*Load shedding activated
8 blinks
-
Remote Control
When there is infrared remote control operating signal, the signal receiver on indoor unit will make a <beep> for signal
acceptance confirmation.
INDICATOR LIGHTS
*Only applicable for 4-pipe system
• Ensure the following, in particular:-
1. The unit is mounted solidly and rigid in position.
2. Piping and connections are leak proof.
3. Proper wiring has been done.
• Drainage check:- Pour some water into left side of drain pan (drainage are
in right side of unit).
• Test run:
1. Conduct a test run after water drainage test and gas leakage test.
2. Watch out for the following:
a) Is the electric plug firmly inserted into the socket?
b) Is there any abnormal sound from unit?
c) Is there any abnormal vibration on the unit itself or piping?
d) Is the drainage of water smooth?
Note:
• The installation guide above covers only the fan coil unit.
For installation of outdoor (mini chiller etc) please refer
to the installation guide for such unit.
• The installation of fan coil unit may vary accordingly to
the type of outdoor unit.
• Installation must be done by qualified personnel who are
familiar with this type of product.
Service Parts
Indoor air filter
Indoor unit
Maintenance Procedures
1. Remove any dust adhering to the filter by using a vacuum cleaner or wash
in lukewarm water (below 40°C/104°F) with a 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 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/104°F) and a neutral detergent
solution.
2. Do not use gasoline, volatile substances or chemicals to clean the indoor
unit.
Period
At least once every
2 weeks.
More frequently if
necessary.
At least once every
2 weeks.
More frequently if
necessary.
SERVICE AND MAINTENANCE