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15. Checking components
15.1 Check refrigerant system
TEST SYSTEM FLOW
Conditions: ① Compressor is running.
② The air condition should be installed in good ventilation.
Tool: Pressure Gauge
Technique: ① see
SEE
FEEL ----- The difference between tube's temperature.
TEST ----- Test pressure.
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② feel ③ test
----- Tube defrost.
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