Samsung AQ07P8GE Training Manual - R-22
34 | SAMSUNG
INSTALLATION
5
Installation Diagram of Indoor Unit and Outdoor Unit
(Cont.)
5-2-8. Refrigerant Refill
●
Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using.
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.
1
Purge air(for new installation only).
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 4.5~5.5kg/cm
2
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 pres-
sure 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.
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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
DB98_08187A(1)_S_23~56 3/27/03 2:41 PM Page 34