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(3) Filling
① Determine the filling quantity first according to the freezer being
repaired. (Each small mark of the liquid tube is 25g, each big mark is 100g).
② Open all related valves.
③ When the liquid level has reached filling quantity, close valves.
(4) Test run
① After filling, turn on power to freezer for test run. Observe the unit
operation.
② Switch off power.
12.6 Freezer noise
12.6.1 Freezer noise sources
Freezer noise comes from the expanding with heat and contracting with
cold of compressor, evaporator or condenser; from the contacting or
resonance of pipes; from the flowing of refrigerant; or from the vibration of
freezer because the floor is not level, etc.
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.6.2 Compressor
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