Demand Response For Australia - Toshiba MCY-MHP0404HT-C Service Manual

7-4. Demand response for Australia

Model for Australia are commodities for DRED (Demand Response Enabling Device) that complies with
AS/NZS 4755.3.1.
This model supports only DRM1.
AS/NZS 4755 DRM1
Demand response mode
DRM1
DRM2
DRM3
DRED installation position
Demand P.C. board
Connect the wiring to the
demand P.C. board as shown in
the figure above.
(This model is valid only for
demand response mode DRM1.)
Outline of DRED wiring
CN101
Trans-
former
CN102
MCC-1653
DEMAND
P.C. BOARD
COM DRM1 DRM2 DRM3
DRED
Locally procured
DRM2
Description
Compressor off
Not available
Not available
DRM2 DRM3
DRM1 COM
Wires for
indoor/outdoor
communication
CN106
MCC-1551
CN100
NOISE FILTER
P.C. BOARD
L N
Power supply
DRM3
MCC-1639
I/F P.C. BOARD
U1 U2 U3 U4
To indoor To central
unit controller
For details of the wiring, refer to the
wiring diagram which is adhered to the
front panel.
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