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
1. Purge air(for new installation only).
3. Connect the tank to refill with Refrigerant
4. Set the unit to cool operation mode.
7. Stop operation of the air conditioner.
9. Close the cap of each valve.
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.
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.
6. Open the refrigerant tank and fill with refrig-
erant until the rated pressure is reached.
* It is recommended not to pour the
refrigerant in too quickly, but gradually
while operating a pressure valve.
8. Close the 3-way valve, disconnect the
pressure gauge, and open the 3-way
valve again.
R-22
Suspension hook
High
pressure
gauge
Hand
wheel
Finger tight
fittings
Connected to
high pressure
side
Charging
line
For mounting
other and of
hose when
not in use
Compound
gauge
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