Samsung AS09HPBN Service Manual page 8

2-4-2 Refrigerant Refill(R410A)
Refill an air conditioner with refrigerant when refrigerant has been leaked at installing or using.
1) Purge air(for new installation only).
2) Turn the 3-Way valve clockwise to close,
connect the pressure gauge (low pressure side) to
the service valve, and open the 3-Way valve
again.
3) Connect the tank to refill with refrigerant.
4) Set the unit to cool operation mode.
5) Check the pressure indicated by the pressure
gauge(low pressure side).
* Standard pressure is should be 9.0~10.0kg/cm
in a regular, high operation mode.
6) Open the refrigerant tank and fill with refrigerant
until the rated pressure is reached.
* It is recommended not to pour the refrigerant
in too quickly, but gradually while operating a
pressure valve.
7) Stop operation of the air conditioner.
8) Close the 3-Way valve, disconnect the
pressure gauge, and open the 3-Way valve
again.
9) Close the cap of each valve.
Samsung Electronics
For mounting
other and of
hose when
not in use
2
Operating Instructions & Installation
Suspension hook
Compound
gauge
Connected to
high pressure
side
Charging line
High
pressure
gauge
Hand
wheel
Finger tight
fittings
7