Yuh Dak SIC-A series - Manual (Page 24)

7-2
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.
In the condition of the starting up, the shown pressure of the high
pressure gage should be about 13 to 15 bar; and shown pressure of the
low pressure gage should be about 3 to 5 bar. Note: the temperature of
the environment should be
and the temperature of the frozen water
should be
The filled weight
of the refrigerant The model
of the machine The model
of the machine
The electronic scale The coolants tank
filled weight
7. Service & Maintenance
The filled weight
of the refrigerant