Panasonic CS-Z20VKR Service Manual page 66

Applicable for : CU-Z80***
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.

Always ensure all above connections compliant with national wire rules.
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.
12.3.6 Disposal of Outdoor Unit Drain Water

If a 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.
Terminal
Board
Earth wire
longer than
others
AC wires
for safety
reason
Holder
supply
Isolating Devices
* Install the hose at an angle
so that the water smoothly fl ows out.
Drain elbow 7
DRM
1
Indoor &
Power
outdoor
Connection
cord
cable
Indoor unit
Hose
66
DRM
2 3 C
DRED
(Demand
response
enabling
devices)
Remote
Agent