Piping Insulation - Panasonic CS-E9GFEW Service Manual

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 a torque of 18 N•m with a torque wrench.
7 Remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to "OPEN"
using a hexagonal wrench (4 mm).
8 Mount valve caps onto the 2-way valve and the 3-way valve.
Be sure to check for gas leakage.
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If gauge needle does not move from 0 cmHg (0 MPa) to -76 cmHg (-0.1 MPa), in the step
the following measure:
- If the leak stops when the piping connections are tightened further, continue working from step
- If the leak does not stop when the connections are retightened, repair location of leak.
- Do not release refrigerant during piping work for installation and reinstallation.
- Take care of the liquid refrigerant, it may cause frostbite.
10.2.5 Connecting the Cable to Outdoor Unit
1 Remove the control board cover from the unit by loosening the screw.
2 Cable connection to the power supply through Isolating Devices (Disconnecting means).
Connect approved type polychloroprene sheathed power supply cord 3 x 1.5 mm² (1.0 ~ 1.5HP), 3 x
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2.5 mm² (2.0 HP) type designation 60245 IEC 57 or heavier cord to the terminal board, and connect the
others end of the cord to Isolating Devices (Disconnecting means).
3 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x
1.5 mm² flexible cord, type designation 60245 IEC 57 or heavier cord.
4 Connect the power supply cord and connection cable between indoor unit and outdoor unit according to the
diagram below.
5 Secure the power supply cord and connection cable onto the control board with the holder.
6 Attach the control board cover back to the original position with screw.
7 For wire stripping and connection requirement, refer to instruction 10.1.6 of indoor unit.
10.2.6

Piping insulation

Please carry out insulation at pipe connection portion as mentioned in Installation diagram under outdoor unit.
Please wrap insulated pipe end to prevent it water from going inside the piping.
10.2.7 Disposal of drain water
If drain elbow is used, the unit should be placed on a stand which is taller than 3 cm.
If the unit is used in an area where temperature falls below 0°C for 2 or 3 days in succession, it is recommended
not to use a drain elbow, for the drain water freezes and the fan will not rotate.
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above take
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