1-15
English
OVERALL CHECKING
• Ensure that :-
1) The unit has been mounted solidly and rigid in position.
2) Piping and connections are leak proof after charging.
3) Proper wiring has been installed.
• Drainage check - pour some water into the main drain pipe from the flexible drain hose.
• Test run
1) Conduct a test run after water drainage test and gas leakage test.
2) Check the following items :-
a. Is the electric plug firmly inserted into the socket ?
b. Is there any abnormal sound from the unit ?
c. Is there any abnormal vibration on the unit itself or piping ?
d. Is the drainage of water smooth ?
• Confirm that :
1) Condenser fan is running, with warm air blowing off the condensing unit.
2) Evaporator blower is running and discharge cool air.
3) The remote control incorporate a 3 minute delay in the circuit. Thus, it requires about 3 minutes before the outdoor
condensing unit can start up.
Ts : Dry bulb temperature.
Th : Wet bulb temperature.
STANDARD OPERATION CONDITIONS
Cooling
Temperature Ts
o
CTh
o
C
Minimum indoor
16 11
temperature
Maximum indoor
32 23
temperature
Minimum outdoor
16 11
temperature
Maximum outdoor
43 26
temperature
Heating
Temperature Ts
o
CTh
o
C
Minimum indoor
16 -
temperature
Maximum indoor
30 -
temperature
Minimum outdoor
-5 -6
temperature
Maximum outdoor
24 18
temperature
! Warning
• Disconnect from the main power supply before servicing the air conditioner unit.
• DO NOT pull out the power cord when the power is ON. This may cause serious electrical shocks which
may result in fire hazards.
AUTO RANDOM RE-START FUNCTION
If there is a power cut when the unit is operating, it will automatically resume the same operating mode when the power is
restored. (Applicable only to units with this feature)
! Caution
Before turning off the power supply, set the remote controller's ON/OFF switch to the “OFF” position to prevent the
nuisance tripping of the unit.
If this is not done, the unit's fans will start turning automatically when power resumes, posing a hazard to service
personnel or the user.
CK20A(1-16)ENG 2/1/01, 10:15 AM15
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