w w w . i n n o v a i r . c o m
DELUXE
Inverter
Service
M
anual
Expelling the air
★
Outdoor unit refrigerant discharging method
After the pipe side connection is complete, proceed as follows.
★
Vacuum
Pumping
Method
(R410A
refrigerant
evacuation
must use
the vacuum
pumping
method)
Before working on the air conditioner, remove the cover of the stop valve(gas and liquid
valves)and be sure to retighten it afterward.
(to prevent potential air leakage)
1. To prevent air leakage and spilling tighten all connecting nut of all flare tubes.
2. Connect the stop valve, charge hose,
manifold valve, and vacuum pump.
3. Fully open the handle Lo of the
manifold valve and apply vacuum for
at least 15 minutes and check that
the compound vacuum gauge reads
-0.1MPa(-76cmHg).
4. After applying vacuum, fully open the
stop valve with a hex wrench.
5. Check that both indoor and outdoor
connections are free of air leakage.
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