- 72 -
Start
Run indoor units in test cooling
mode
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
TH1 115˚C?
7 Tc-TH5 12K?
Tc-TH7 17K?
Tc-TH5 7K?
TH1 110˚C
Gradually add refrigerant from
low-pressure service port
Note
Run the unit for 5 minutes after adjusting
refrigerant amount.
Gradually add refrigerant from
low-pressure service port
Gradually add refrigerant from
low-pressure service port
Gradually add refrigerant
from low-pressure
service port
Gradually drain refrigerant
from low-pressure
service port
Run the unit for 5 minutes after adjusting
refrigerant amount.
Run the unit for 5minutes
after adjusting refrigerant
amount and check Tc-TH5.
At least 2 hours have past since
the unit was turned on OR
The unit has continuously been running
for 30 minutes AND frequency
has stabilized.
At least 2 hours have past since
the unit was turned on OR
The unit has continuously been running
for 30 minutes AND frequency
has stabilized.
6 minutes after start-up?
Finish
< Air-Cooling Outdoor Unit >
.
Caution
Do not release drained refrigerant into the air.
.
Caution
Use liquid refrigerant.
If gas refrigerant is used, the composition of the refrigerant in the cylinder will change and lead to a loss
of power.
Note) Operate using DIPSW 3-1 and 3-2
