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USER'S MANUAL
Installation for outdoor unit
Vacuuming
Outdoor condensation drainage
(Heat pump type only)
Exclusive R32 refrigerant pump must be used in making R32 refrigerant vacuum.
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 the 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 connecti
ons are free of air leakage.
When the unit is heating, the condensing water and
defrosting water can be out reliably through the drain house.
Installation :
Install the outdoor drain elbow in Φ25 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
Outdoor Drain Elbow
Chassis
Pressure gauge
Manifold valve
Handle Hi
Charge hose
Charge hose
Handle Lo
Compound meter
-76cmHg
Vacuum pump
Stop valve
(gas valve)
Stop valve
(liquid valve)
