Panasonic CS-CZ25ZKE Service Manual page 34

12.3.4 Connect the Cable to the 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 mm
o
60245 IEC 57 or heavier cord to the terminal board, and connect the others end of the cord to Isolating
Devices (Disconnecting means).
Do not use joint power supply cord. Replace the wire if the existing wire (from concealed wiring, or
o
otherwise) is too short.
In unavoidable case, joining of power supply cord between isolating devices and terminal board of air
o
conditioner shall be done by using approved socket and plug with earth pin rated 15/16A. Wiring work to
both socket and plug must follow to national wiring standard.
3 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed
2
4 x 1.5 mm flexible cord, type designation 60245 IEC 57 or heavier cord. Do not use joint connection cable.
Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short. Allowable connection
cable length of each indoor unit shall be 30 m or less.
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 12.2.4 of indoor unit.
WARNING
This equipment must be properly earthed.

Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap.

Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.
12.3.5 Piping 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 6 mm or above.
Terminals on the indoor unit
Colour of wires (Connection cable)
Terminals on the outdoor unit
(Power supply cord)
Terminals on the isolating devices
(Disconnecting means)
Earth wire
longer than
others
AC wires
for safety
reason
Power supply
cord
Isolating Devices
1 2
L N 1 2
(L) (N)
Terminal
Board
Earth wire
longer than
others
AC wires
for safety
reason
Holder
Indoor & outdoor
connection cable
Indoor unit
34
2
type designation
3
3