39(43)
6.1 Filling the Refrigerant
1) Unscrew the cover of the liquid thimble valve, and connect the air pipe of the
vacuum pump to the liquid thimble valve to vacuumize, which takes about 1 to
2 hours.
Picture 6-1
：
Fill in the Refrigerant (1)
2) After vacuumizing, connect the air pipe of the refrigerant tank to the liquid
thimble valve, and add the refrigerant to the return air pipe. Monitor the weight
change of the electronic scale, and stop filling the refrigerant when it reaches
the rated filling weight.
When the machine is powered on, the display pressure of the high-pressure
gauge is about: 13~15bar; and the display pressure of the low-pressure
gauge is about: 3
～
5bar(Note: the ambient temperature is 30
℃
, and the ice
water temperature is about 12
℃
).
Picture 6-2
：
Fill in the Refrigerant (2)
Table 6-1
：
SIC-A Series Filling Quantity
Model
Refrigerant (kg)
Model
Refrigerant (kg)
SIC-3A
4.0
SIC-20A
18
SIC-5A
4.5
SIC-25A
20
SIC-8A
7.0
SIC-30A
26
SIC-10A
9.0
SIC-40A
34
SIC-12.5A
10
SIC-45A
42
SIC-15A
13
SIC-50A
48
