Electrolux EXH12HL1WE User Manual
Page 21
ENGLISH 21
1
Valve body
2
Valve stem
3
Charge port
4
Stopper
5
Flare nut
6
Cap
Using the vacuum pump
1. Fully tighten the flare nuts at
connection point A, B, C and D.
2. Connect vacuum hose between
charging port and the manifold.
3. Connect the other charge hose
between manifold and the vacuum
pump.
4. Fully open the handle Lo of the
manifold valve.
5. Operate the vacuum pump to
evacuate.
6. Slightly loosen the flare nut of the Lo
valve on the gas pipe side.
7. Check if air is entering (noise of
the vacuum pump changes and
compound meter indicates 0 instead
of minus).
8. Tighten the flare nut.
9. Make evacuation for 15 minutes or
more and check that the compound
meter indicates -7.6 x 10
5
μmHg
(-1x10
5
Pa) (-0,7Bar).
10. Fully close the handle Lo of the
manifold valve and stop the
operation of the vacuum pump.
11. Turn the stem of the packed valve B
about 45° counterclockwise for
6~7 seconds after the gas comes
out, then tighten the flare nut again.
12. Make sure the pressure display
in the pressure indicator is a
little higher than the atmosphere
pressure. This to verify if the
refrigerant does flow correctly
through the tubes.
13. Remove the vacuum hose.
14. Replace the charging port cap.
15. Fully open the packed valve stems B
and A.
1
2
3
5
4
8
6
7