Refrigerant Refill - Samsung MH020FPEA Service Manual

14-3 Refrigerant Refill

14-3-1 MH040FXEA2/MH052FXEA2/MH14✳✳2X/MH16✳✳2X/MH18✳✳2X/MH19✳✳2X
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 should be 8.0~9.0kg/cm
in a regular and high operation mode.
* Refer to the 15-2 Pressure Graph.
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
2
Compound
gauge
For mounting
other and of
hose when
not in use
Suspension hook
High
pressure
gauge
Hand
wheel
Finger tight
fittings
Connected to
high pressure
side
Charging line
14-5