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SVC process
NO.
Coupling pipe
9
welding
Valv e reass' y
&
10
guage connecting
Vacuum
11
Check
12
Adjusting
the amounts of
13
refrigerants
(R-600a can)
Image
1. Weld after inserting the coupling pipe
to the compressor.
※ Use the wet cloth for preventing the
other part of machinery-room from damage.
1. Reassemble the valve ass'y with
coupling pipe to clockwise.
2. Connect the blue hose of the guage
to the coupling pipe and the yellow hose
to the vacuum pump.
3. Open the blue guage lever
and start the vacuum pump
1. Be vacuumed the cycle with pump.
※ Time : 60~80min
=> If the vacuum time is less than 60min,
ref. COP & air coolong would be weak.
1. Check the guage : -76㎝Hg
※ If the cycle is not vacuumed,
it would be leak.
1. Check the amounts of R-600a can
with scale and discharge the surplus ref.
※ Discharging is surely done at the outdoor
where is able to clear air.
※ Tip of adjusting.
- Can total weight :160g(Can 75g+Ref. 85g)
- Adapter : 145g
=> Total : 305g
- The amounts of charging : 79g
=> Discharging : 6g => Total : 299g
29
4. How To Charge R-600a Refrigerant
Details
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