Samsung Electronics
3-11
Operating Instructions and Installation
3-2-2(h) Refrigerant Refill
● Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using
R-22
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.
9. Close the cap of each valve.
7. Stop operation of the air conditioner.
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.
5. Check the pressure indicated by the
pressure gauge(low pressure side).
* Standard pressure is should be
4.5~5.5kg/cm
2
in a reqular, high operation
mode.
←Suspension hook
High
pressure
gauge
Hand
wheel
Connected to
high pressure
side
Charging
line
8. Close the 3-way valve, disconnect the
pressure gauge, and open the 3-way
valve again.
←Finger tight
fittings
For mounting
other and of
hose when
not in use
Compound
gauge
2-Way Valve
3-Way Valve
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