Dred Installation Maniual - Toshiba RAV-SP1104AT-A1 Service Manual

4. DRED INSTALLATION MANUAL
Wiring between DRED (Demand response enabling device)
and Outdoor Unit
This model supports only DRM1.
AS/NZS 4755 DRM1
4-1 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.
·
Ask the customer to keep this Manual together the Installation Manual.
·
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 fixed, 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 fire.
·
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 fire.
·
Do not screw the DRED signal receiver directly to the outdoor unit.
The screw may damage the internal parts and cause an electric shock, fire or refrigerant leak.
CAUTION
·
Wear heavy gloves during the installation work to avoid injury.
4-2 Connection procedure
This air conditioner complies with AS/NZS 4755.3.1.
DRM available: DRM1
The terminal block meets ELV requirements
COM DRM1 DRM2 DRM3
Connect the wire (4-wire) with a round terminal to the Demand section (COM, DRM1, DRM2, DRM3) on the terminal block.
WARNING
·
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 fire.
·
For the power supply of the DRED, prepare exclusive power supply separated from that of the outdoor unit.
DRM2
Demand response interface
CN101
Trans-
former
CN102
MCC-1653
COM DRM1 DRM2 DRM3
DRED
Locally procured
DRM3
Demand response mode
DRM1
DRM2
DRM3
CN104
Outdoor control
P.C. board
CN100
1 2 3 L
Single
To indoor
unit phase
model
– 6 –
Description
Compressor off
Not available
Not available
N L1 L2 L3 N
Three-
phase
model
Power supply