Amcor DC-930 Servis Kılavuzu - Sayfa 7
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VACUUM & CHARGE THE REFRIGERANT
1.
Take out the filter, remove the rear plate.
2.
Connect the copper tube of compressor, quick
coupler, fixing value, vacuum pump and refrigerant
bottle. (Please refer to the drawing shown at right.)
3.
Weigh the refrigerant amount by an electronic scale,
write down the amount.
4.
Open the valve A & B of the fixing valve. Close the
valve of the refrigerant bottle, then open the vacuum
pump.
5.
After 20 – 30 minutes, when the vacuum density is
higher than 133Pa, close the valve A of the fixing
valve, then close the vacuum pump.
6.
Open the valve of refrigerant bottle first, then open
valve B of fixing valve slowly, the refrigerant will enter
the cooling system then.
7.
When the charging amount is equal to the amount
mentioned in the rating label, close valve B of fixing
valve and valve of refrigerant bottle immediately.
8.
Tong the charging tube between the compressor and
quick coupler completely. Notice! The charging tube
must be closed completely, otherwise, the refrigerant
will leak out.
9.
Take off the quick coupler. Clamp the end of charging
tube flat
10. Soldering the end of the charging tube (which you
clamped it flat previously) to prevent it from leakage.
HOW TO DETECT THE LEAKAGE OF REFRIGERANT?
1.
Wipe the soap water of high density on the soldering
parts of the cooling system and the other parts which
are easy to have leakage.
2.
The soap water will bubble when there is a leakage.
Notice! When the leakage is found, do not solder it
directly.
3.
If no leakage is found by the soap water, it only
means there is no major leakage on the cooling
system. You may use a professional detector to
detect it again.
抽真空，充冷媒
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