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set and turn off the vacuum pump. Make sure that the needle in
the gauge does not move after approximately five minutes.
Note: BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID
REFRIGERANT GAS LEAKAGE.
5. Disconnect the charging hose from the vacuum pump and from
the service port of the 3-way valve.
6. Tighten the service port caps of the 3-way valve at torque of 18
N.m with a torque wrench.
7. Remove the valve caps of both the 3-way valve. Position both of
the valves to "OPEN" using a hexagonal wrench (4 mm).
8. Mount valve caps both of the 3-way valves.
- Be sure to check for gas leakage.
CAUTION
- If gauge needle does not move from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa), in step 3
above take the following measure:
- If the leak stops when the piping connections are tightened further, continue working
from step 3.
- If the leak does not stop when the connections are retightened, repair the location of
leak.
10.3.5. CONNECT THE CABLE TO THE OUTDOOR UNIT
(FOR DETAIL REFER TIO WIRING DIAGRAM AT UNIT)
1. Remove the control board cover from the unit by loosening the
screw.
2. Indoor/outdoor connecting cable between indoor unit and outdoor
unit shall be approved polychorprene sheathed 5 × 2.5 mm
flexible cord 245 IEC 57 (Rubber insulated cable GP 85PCP or HD
85PCP AS/NZS3191) or heavier cord.
3. Secure the cable onto the control board with the holder (clamper).
4. Attach the control board cover to the original position with the
screw.
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