
7-9. DRED (Demand response enabling device)
(MMY-MAP***6HT8P-A)
This model supports only DRM1.
■
Safety precautions
• Read these “Safety precautions” carefully before installation.
• 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.
Improper installation may result in fi re.
•
Connect the demand connecting wires 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.
■
Connection procedure
This air conditioner complies with AS/NZS 4755.3.1.
DRM available: DRM1
The terminal block meets ELV requirements.
DRM3 DRM2 DRM1 COM
MCC-1653
DRED
DRM3 DRM2 DRM1 COM
WARNING
•
Do not connect the DRED mains cable to the terminal block of the outdoor unit.
Improper installation may result in fi re.
•
For the power supply of the DRED, prepare exclusive power supply separated from that of the outdoor unit.
Demand response mode
Description
DRM1
Compressor off
DRM2
Not available
DRM3
Not available
Demand response interface
Locally procured
Connect the wire (4-wire) with a round terminal
to the Demand section (COM, DRM1, DRM2,
DRM3) on the terminal block.
Parts layout of the electrical control box
−
1
56
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AMP Air Conditioning
www.ampair.co.uk | [email protected]
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