92(96)
check the reason of the failures, do not force the machine on before remove
the failures.
3) Please check periodicaly to prolong the life of the machine and prevent the
safety accident to appear.
4) Water supply should be processed, because the high PH can corrode the
copper pipe acute. This must reduce the life of the heating and cooling
implement, PH of the water supply must be between 7.0~8.5.
5) Keep the machine room dry, clean and draughty.
6) The operation and service of the machine should be done by qualified
technician only.
(Please take notice that the disassembly and the inspection of the machines
are hazardous when the machines are running!)
6.1 Fill in the Refrigerant
1) Screw off the end cap of the liquid filling thimble valve, and connect the air
suction pipe of the vacuum pump to the liquid filling thimble valve to take the
vacuum pumping, and this process may take one to two hours. The high & low
pressure gauge dispalys -76mmHg。
Picture 6-1：Fill in the Refrigerant (1)
2) After the vacuum pumping, connect the air pipe of the refrigerant tank to the
liquid filling thimble valve, and fill the refrigerant into the air return pipe. Watch
the change of the weight displayed by the electronic scale, and stop filling the
refrigerant immediately when receiving the schedule weight. Make sure that
the filling refrigerant must be liquid and be filled when the machine stops.
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