Wiring Specifications; The Machine - MDV -D28Q4/N2 Installation Manual

Wiring Specifications

Wiring specifications are listed below, insufficient capacity would over-heat the wire or destroy

the machine.

Items
Model
MDV-D28~112Q /N
4 2
Note: This wiring specification is only for the reference ,please refer to the specified model and the
related electric standard to do the wiring.
Indoor unit power supply and the signal wire wiring
The indoor unit power source should not be shared with outdoor unit.
The indoor units that connect to the same outdoor unit should use the same power source, creepage
protector and main switch.
The indoor power wire should be connected to the L N terminal , and the indoor/outdoor signal wire
should adopt the 2-core screened wire . The indoor /outdoor signal wire should be connected to
A B terminal and should be corresponding with the A B of the outdoor terminal. Connect the
screened layer to (E).
Outdoor Unit
380V ~
Outdoor Power
Supply
Creepage Protection
Switch
Ground Wire
Indoor/Outdoor
Signal wire
(2-cord screened wire)
220-240V~ 50Hz
Indoor Power
Supply
Creepage Protection
Switch
Power Cord of the Indoor Unit
Power Switch
Power
Capacity Fuse Below 20m
Single Phase
Twisted-pair
15A 15A
2mm
220-240V~
50Hz
Ground Wire
Control Wire
Indoor/Outdoor Unit
Power Cord
Signal Wire
Below 50m Quantity
Diameter
Twisted-pair
Not longer than 1500m
2
2
6mm 2
2mm 2
2-core screened wire
Wire Distribution Box
Indoor Unit
Indoor Unit
Connect to close end
of the screened wire
12
Ground
Wire
Single-
Wire
f1.5 mm