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Install outdoor unit
Air purging and leakage test
Electric Wiring
1. Disassemble handle of right side plate or front side plate of outdoor unit.
3. Ensure if wire has been fixed well.
4. Install handle or front side plate.
NOTE:
Wrong wiring may cause
spare parts malfunction.
After the cable fixed, make sure
there should be a free space
between the connection and
fixing place on the lead wire.
2. Take off wire clamp, connect and fix power connect cord and power cord to terminal of line
bank.Wiring should fit that of indoor
unit.
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5
-1.0 10
pa
(-76cmHg).
5
Air purging and leakage test
Liquid pipe
Gas pipe
Valve
cap
Vacuum
gauge
Vacuum pump
Fig.
1. Connect charging hose of manifold valve to charge end of low
pressure valve (both high/low pressure valves must be tightly
shut).
2. Connect joint of charging hose to vacuum pump.
3. Fully open handle of Lo manifold valve.
4. Open the vacuum pump to evacuate. At the beginning, slightly
loosen joint nut of low pressure valve to check if there
is air coming inside. (If noise of vacuum pump has
been changed, the reading of multimeter is 0) Then
tighten the nut.
5. Keep evacuating for more than 15mins and make
sure the reading of multi-meter is
6. Fully open high/low pressure valves.
7. Remove charging hose from charging end of low
pressure valve.
8. Tighten bonnet of low-pressure valve. (As shown in Fig.5)
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