30
Perform gas charge to unit A or B and unit C or D
Connect gas cylinder to the service port of stop valve.
Perform air purge of the pipe (or hose) coming from refrigerant gas cylinder.
Replenish specified amount of the refrigerant, while operating the air conditioner for cooling.
CAUTION:
Never charge liquid refrigerant, such as by inverting the gas cylinder while charging, otherwise troubles may be generated.
To maintain the high pressure of the gas cylinder, warm the gas cylinder with warm water (under 40
) during cold
season, But never use naked fire or steam.
Gas charger
A UNIT
Refrigerant pipes
Union
Service port
Indoor unit
Slop valve
Outdoor unit
6
9.52
B UNIT
6
9.52
C UNIT
6
9.52
Refrigerant gas cylinder
operating valve
Refrigerant gas
cylinder
Charge hose
Scale
(R22 gas) Gas change
D UNIT
6
9.52
