vacuum pump
inner hexagon spanner
close open
nut of refrigerant charging vent
valve cap
gas valve
refrigerant charging vent
piezometer
liquid valve

Vacuum pumping

Use vacuum pump

1. Remove the valve caps on the liquid valve and gas

Lo Hi

valve and the nut of refri- gerant charging vent.

2. Connect the charging hose

RISLH]RPHWHUWRWKHUHIUL

gerant charging vent of gas

valve and then connect the other charging hose to the

vacuum pump. 2SHQWKHSLH]RPHWHUFRP

pletely and operate for 10-15min to check if the

SUHVVXUHRISLH]RPHWHUUH

mains in -0.1MPa.

4. Close the vacuum pump and maintain this status for 1-2min to check if the pres-

VXUHRISLH]RPHWHUUHPDLQV

in -0.1MPa. If the pressure decreases, there may be leakage. 5HPRYHWKHSLH]RPHWHURSHQWKHYDOYHFRUHRIOLTXLGYDOYHDQGJDVYDOYH

completely with inner hexagon spanner.

6.Tighten the screw caps of valves and refrigerant charging vent.

7.Reinstall the handle.

Leakage detection

1.With leakage detector:

Check if there is leakage with leakage detector.

2.With soap water:

If leakage detector is not available, please use soap water for leakage detection.

$SSO\VRDSZDWHUDWWKHVXVSHFWHGSRVLWLRQDQGNHHSWKHVRDSZDWHUIRUPRUH

WKDQPLQ,IWKHUHDUHDLUEXEEOHVFRPLQJRXWRIWKLVSRVLWLRQWKHUH VDOHDNDJH

28

Page 31
Image 31
Beko BK 6300, BK 5200 user manual Vacuum pumping, Leakage detection, Use vacuum pump