Service and Parts Manual (2019, 2020, 2021, 2022)

120 PB
COMPONENTS TESTING
Check Refrigerant System
TEST SYSTEM FLOW
Conditions: ① Compressor is running.
② The air condition should be in stalled in good ventilation.
Tool: Pressure Gauge
Technique: ① see ② feel ③ test
cooling run
heating run
SEE ----- Tube defrost.
FEEL ----- The difference between tube’s temperature.
TEST ----- Test pressure.
Lo iH
Pressure
gauge
Lo Hi
Pressure
gauge