Table of Contents
Advertisement
Air purging and leakage test
Remove the nut cap from the fluorine charge nuzzle of gas valve.
Connect the middle charge hose which is on the pressure gauge
to the vacuum pump, the low pressure end (Lo) connect to the
fluorine charge nuzzle on the gas valve. (As show in fig.11-10)
Start the vacuum pump and vacuumize, when the
multi-purposed arrow pointed 1bar, then to close
the low pressure handle (Lo) on the vacuum pump
tightly, stop vacummizing. keep stopping for 15
mins above, make sure that the pressure of vacuum
is unchanged.
Remove the valve cap of liquid valve and gas valve.
Loosen the valve stem of liquid valve by hex wrench,
when the pressure of the vacuum pump rised up to 0 bar
above.
Remove the charge hose from the fluorine charge
nuzzle on the gas valve, then tighten the nut
cap of fluorine charge nuzzle.
Open the valve stem of liquid valve and gas valve
by hex wrench.
Tighten the valve caps of gas valve and liquid valve,
and check there is no leakage.
Outdoor condensation drainage (Heat pump type only)
When the unit is heating or defrosting, the waste water
formed in the outdoor unit can be drained out reliably through
the drain hose.
Installation method:
Install the outdoor drain elbow in the
the base plate as shown in Fig.9 and joint the drain
hose to the elbow, so that the waste water formed
in the outdoor unit can be drained out to a proper
place.
Valve cap
Liquid valve
hole on
Pressure gauge
Vacuum pump
Gas valve
Fig.
Chassis
Drain elbow
Fig.
Hide quick links:
Advertisement
Table of Contents
