Bryant 619F User Manual

Leakage detection
6. Tighten the screw caps of valves and refrigerant charging vent.
7. Reinstall the handle.
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.
Apply soap water at the suspected position and keep the soap water for more
than 3min. If there are air bubbles coming out of this position, there's a leakage.
Vacuum pumping
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
RISLH]RPHWHUWRWKHUHIUL
gerant charging vent of gas
valve and then connect the
other charging hose to the
vacuum pump.
2SHQWKHSLH]RPHWHUFRP
pletely and operate for
10-15min to check if the
SUHVVXUHRISLH]RPHWHUUH
mains in -14.5 PSI (-0.1 MPa).
4. Close the vacuum pump
and maintain this status for
1-2min to check if the pres-
VXUHRISLH]RPHWHUUHPDLQV
in -14.5 PSI (-0.1 MPa). If the pressure decreases, there may be leakage.
5HPRYHWKHSLH]RPHWHURSHQWKHYDOYHFRUHRIOLTXLGYDOYHDQGJDVYDOYH
completely with inner hexagon spanner.
Use vacuum pump
liquid valve
gas valve
refrigerant charging
vent
nut of refrigerant
charging vent
vacuum pump
piezometer
valve cap
Lo Hi
inner hexagon
spanner
open
close
-34-

Bryant 619F Specifications

General

Brand	Bryant
Model	619F
Category	Air Conditioner
Language	English