Wiring Procedure - Mitsubishi Electric BDT CITY MULTI Installation And Pre-Commissioning Booklet

RECOMMENDED WIRING PROCEDURE
Wiring must be installed by Registered Electricians/Technicians and comply with the NZ Wiring Codes and meet the
requirements of BDT. Wiring diagram will be provided by BDT.
INDOOR UNITS:
Indoor Unit
TB2
L N E
Power Supply
AC 220-240V
Branch Controller
TB01
L N E
Power Supply
AC 220-240V
Outdoor Unit
TB1
L1 L2 L3
Power Supply
AC 380-415V
To MA controller,
DC 8.7 – 13V
1 2
TB15
TB5
M1 M2 S
To M-Net,
DC 24-30V
TB02
M1 M2 S
To M-Net,
DC 24-30V
Central controller Transmission
M-Net 22-28VDC
M1 M2 S
TB7
TB3
N E M1 M2 S
Indoor/Outdoor
Transmission DC 24-30V
Each indoor unit will require a 220-240VAC
supply and a 30VDC M-Net control. Indoor units
with a capacity code of P200 or larger will require
a 380-415VAC supply.
In addition to this, wall controllers and external
inputs/outputs can also be wired to the indoor unit
if required.
BRANCH CONTROLLERS:
Each BC will require 220-240VAC supply and a
30VDC M-Net control.
OUTDOOR UNITS:
Each outdoor unit will require 380-415VAC supply and 2x
M-Net control connections.
M-Net 1: TB3 indoor/outdoor transmission cable 24-30VDC
M-Net 2: TB7 central control transmission cable 22-28VDC
In addition to this, external inputs and outputs can also be
wired to the outdoor unit if required.
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