●
●
Electric wiring
NOTE:
Incorrect wiring may cause malfunction of spare part.
After the wire has been fixed, ensure there is freespace between the connection and
fixing places on the lead wire.
4. Confirm if the wire has been fixed properly.
5. Reinstall the handle.
1. Remove the handle on the right side plate of outdoor unit.
2. Take off wire cord anchorage. Connect and fix power cord
to the terminal board. Wiring should fit that of indoor unit.
3. Fix the power cord with wire clamps and then
connect the corresponding connector.
Handle
Schematic diagram being reference only, please refer to real product for authentic information.
N(1)
2 3
blue black brown
yellow-
green
Indoor unit connection
Manifold
Valve
Multimeter
-76cmHg
Lo Handle
Charging hose
Manometer
Hi handle
Charging hose
Vacuum pump
Low pressure valve
Air purging and leakage test
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 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
(-76cmHg).
5. Keep evacuating for more than 15mins and make
sure the reading of multimeter is -1.0×10 pa
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.10)
Fig.10
- 25 -
Installation of Outdoor Unit
18、24K Heat pump type:
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