Air conditioner / User Manual
29 / 64 EN
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Connect the pipes to the 2-way and 3-way valves separately according to the required torque.
4. Outdoor Unit Cable Connection (see previous page)
8.6 Air purging
The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on
the compressor. After connecting the indoor and outdoor units, release air and moisture from the
refrigerant cycle using a vacuum pump, as shown below.
C
Note:
To protect the environment, be sure not to discharge the refrigerant to the air
directly.
See next page for air purging steps.
4
1
2
3
7
8
9
10
11
12
13
5
6
3-way valve diagram
(6) Open 1/4 turn
(7) Turn to fully open the valve
(8) Tighten
(8) Tighten
(1) Turn
(2) Turn
(8) Tighten
(7) Turn to fully open
the valve
Refrigerant flow direction
(1) Turn
indoor unit
1. Vacuum pump
2. 2-way valve
3. Valve cap
4. Valve cap
5. Service port
6. 3-way valve
7. Connect to indoor unit
8. Open position
9. Spindle
10. Needle
11. Service port cap
12. Valve core
13. Connect to outdoor unit
8
Installation instructions