Vacuum Pumping; Leakage Detection - Beko BK 5200 User Manual

Vacuum pumping

Use vacuum pump
1. Remove the valve caps on
the liquid valve and gas
valve and the nut of refri-
gerant charging vent.
2. Connect the charging hose
gerant charging vent of gas
valve and then connect the
other charging hose to the
vacuum pump.
pletely and operate for
10-15min to check if the
mains in -0.1MPa.
4. Close the vacuum pump
and maintain this status for
1-2min to check if the pres-
in -0.1MPa. If the pressure decreases, there may be leakage.
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.
liquid valve
gas valve
refrigerant
charging vent
nut of refrigerant
charging vent
28
piezometer
Lo
valve cap
vacuum pump
inner hexagon
spanner
close
open
Hi