56
Board
Terminal
Indoor unit
Indoor &
outdoor
Connection
cable
Holder
Earth wire
longer than
others
AC wires
for safety
reason
Isolating Devices
Power
supply
cord
123C
DRM DRM
Remote
Agent
DRED
(Demand
response
enabling
devices)
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.
Hose
* Install the hose at an angle
so that the water smoothly fl ows out.
Drain elbow 7
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