Caution Of The Pressure By Check Joint - Hisense AVW-48UESC Installation & Maintenance Manual

5.7

Caution of the Pressure by Check Joint

When the pressure is measured, use the check joint of gas stop valve ((A) in the figure below) and use the
check joint of liquid piping ((B) in the figure below).
At that time, connect the pressure gauge according to the following table because of high pressure side and
low pressure side changes by operation mode.
Check Joint for Gas Stop Valve "A"
Check Joint for Piping "B"
Check Joint for Liquid Stop Valve "C"
NOTE:
Be careful that refrigerant and oil do not splash to the electrical parts when removing the charge hoses.
Cooling Operation
Low Pressure
High Pressure
Exclusive for Vacuum Pump and Refrigerant Charge
Fig 5.4 Check Joint Position
16
Heating Operation
High Pressure
Low Pressure