Refrigerant Refill - Samsung MH026FPEA Training Manual

Operation Instruction & Installation

3-7-5 Refrigerant Refill

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 4.5~5.5kg/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.
40
For mounting
other and of
hose when
not in use
2
Suspension hook
Compound
gauge
Connected to
high pressure
side
Charging line
High
pressure
gauge
Hand
wheel
Finger tight
fittings
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