10
OVERALL CHECKING
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 are in right side of unit).
• Test run:
1. Conduct a test run after water drainage test and gas leakage
test.
STANDARD OPERATING CONDITION
Cooling Mode
Heating Mode
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 smooth drainage of water?
• Check 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 controller incorporates a 3 minute delay in the
circuit. Thus, it requires about 3 minutes before the outdoor
condensing unit can start up.
Temperature
Ts °C / °F
Th °C / °F
Minimum indoor
19.4 / 66.9
13.9 / 57.0
temperature
Maximum indoor
26.7 / 80.1
19.4 / 66.9
temperature
Minimum outdoor
19.4 / 66.9
13.9 / 57.0
temperature
Maximum outdoor
46 / 114.8
24 / 75.2
temperature
Temperature
Ts °C / °F
Th °C / °F
Minimum indoor
10 / 50
-
temperature
Maximum indoor
26.7 / 80.1
-
temperature
Minimum outdoor
-8 / 17.6
-9 / 15.8
temperature
Maximum outdoor
24 / 75.2
18 / 64.4
temperature
Ts: Dry bulb temperature. Th: Wet bulb temperature.