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*Exclusive R32 refrigerant pump must be used in making R32 refrigerant vacuum.
Befare 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 the potential air leakage)
1. To prevent air leakage and spilling tighten
all connecting nut of all fiare 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
-0.1 MPa(-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.
Outdoor condensation drainage(Heat pump type only)
When the unit is heating, the condensing water and defrosting
water can be out reliably through the drain house.
lnstallation:
lnstall the outdoor drain elbow in <1>25 hole on the base
plate, 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 plate.
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lnstallation for outdoor u
Vacuuming
-23-
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Handle Lo
Charge hose
Stop valve Stop valve
(liquid valve)
(gas valve)
Pressure gauge
manifold valve
Handle Hi
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