Installation Of Outdoor Unit; Electric Wiring; Air Purging And Leakage Test - Daitsu DS-18UIAK Notice D'utilisation

Installation of Outdoor Unit

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 corres-
ponding connector.
4. Confirm if the wire has been fixed properly.
5. Reinstall the handle.
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.
Schematic diagram being reference only, please refer to real product for authentic information.
1. Connect charging hose of mani fold 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. Keep evacuating for more than 15 mins and make sure the
reading of multimeter is -1.0x10
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)

Electric wiring

Air purging and leakage test

pa (-76 cm Hg).
5
- 25 -
18-24K Heat pump type:
N(1)
2
blue black brown
Indoor unit connection
Manifold
Valve
Multimeter
-76cmHg
Lo Handle
Charging hose
Low pressure valve
Fig.10
3
yellow-
green
Manometer
Hi handle
Charging hose
Vacuum pump