Yuh Dak SIC-A series - Manual (Page 23)

7. Service & Maintenance
7. Service & Maintenance
7-1
All repair work should be done by qualified personnel only to avoid damage
the machine or personnel injury. to
In order to operate the machine rightly and safely, please caution the matter
follows:
1) Do not turn off the main power switch to stop the machine,except emergency
situation.
2) When failures set in and the machine stop work with buzzer sound, first press
the main power switch of the machine (alarm indicator will die) then go
the reason of the failures, do not force the machine on before remove
3) please check periodicaly to prolong the life of the machine and prevent the
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
water supply must be between 7.0 8.5.
5) keep the machine room dry,clean and vent.
6) the operation and service of the machine should be done by qualified technician
only.
(
!)
as
down
to check
the failures.
safety
of the
Please take notice that the disassembly and the inspection of the machines are
hazardous when the machines are running
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.
Fill in the refrigerant
The end cap of the
liquid filling thimble valve
The
evaporation
The air return pipe
The vacuum pump