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4(A). Checking gas leakage for the left piping
(1) * Connect the manifold gauge to the service port of 3-way valve.
* Measure the pressure.
(2) * Keep it for 5-10 minutes.
* Ensure that the pressure indicated on the gauge is the same as
that of measured during the first time.
10.3.4. Connect The Cable To The Outdoor
Unit
1. Remove the control board cover from the unit by loosen-
ing the screw.
2. Connecting cable between indoor unit and outdoor unit
shall be approved polychloroprene sheathed 3 × 1.5 mm
flexible cord, type designation 245 IEC 57 or heavier
cord.
3. Secure the cable onto the control board with the holder
(clamper).
4. Attach the control board cover back to the original posi-
tion with the screw.
10.3.5. Pipe Insulation
1. Please carry out insulation at pipe connection portion as
mentioned in Indoor/Outdoor Unit Installation Diagram.
Please wrap the insulated piping end to prevent water
from going inside the piping.
2. If drain hose or connecting piping is in the room (where
dew may form), please increase the insulation by using
POLY-E FOAM with thickness 6mm or above.
2
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