11
Outdoor Unit
Installation Manual
9
Wiring between DRED (Demand response enabling device) and Outdoor Unit
This model supports DRM1 DRM2 DRM3.
AS/NZS 4755
DRM1
DRM2
DRM3
■
Important notice
• Install in accordance with the wiring rules (AS/NZS 3000).
• The precautions described below include important items regarding safety.
Observe them without fail.
• The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual.
WARNING
• Turn off the main power supply switch or breaker before attempting installation.
Make sure all power switches are off. Failure to do so may cause electric shock.
• Connect the connecting wire correctly.
If the connecting wire is incorrect, electric parts may be damaged.
• Ensure that all terminals are securely
fi
xed, so preventing any external forces having a
negative effect on the terminals.
• Do not connect the DRED mains cable to the terminal block of the outdoor unit
(Power supply and Indoor/Outdoor connecting).
Improper installation may result in
fi
re.
• Connect the demand connecting wires and relay connector (RJ45) so that they do not
come into contact with the refrigerant cycle parts or refrigerant pipes.
Wire breakage or water intrusion may cause electric shock or
fi
re.
• Do not screw the DRED signal receiver directly to the outdoor unit.
The screw may damage the internal parts and cause an electric shock,
fi
re or
refrigerant leak.
CAUTION
• Wear heavy gloves during the installation work to avoid injury.
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