Indoor Unit Wiring - intensity MDV-V105W/DMN1 Installation Manual

CAUTION
The reserved function is indicated in broken line table,users
can select it when necessary.
Indoor/Outdoor Unit Signal Wire
Connect the wire according to their numbers.
Wrong connection may cause malfunction .
Wiring Connection
Seal the wiring connection with the insulation material , or the
condensing dew will be caused.
Single phase indoor unit
L N
X Y E
Y/G
XT1
Indoor Unit Power
To Central Control
208-230V~ 60Hz
Monitor (CCM)
COMM. BUS
Please use 3-core shielded wire, and
connect the shielded layer to Grounding
NOTE
The air-conditioners can connect with Central Control Monitor
(CCM). Before operation, please wiring correctly and set system
address and network address of indoor units

7.2 Indoor Unit Wiring

Power Supply
Table 7-2
Capicity(kW)
Phase
Voltage and
Indoor Unit
Frequency
Power
Power Wiring
(mm 2 )
Circuit Breaker (A)
Indoor Unit /Outdoor Unit
Signal Wire (mm 2 )
(Weak electric signal)
Installation manual
8
Display
board
P Q
E
Wire controller
XT3
To wire controller
To Outdoor
The reserved wire control
COMM.BUS
function is indicated in
broken line table, users
can purchase the wire
controller when necessary.
Fig. 7-3
10.5-16
1 Phase
208-230V~ 60Hz
3X1.0
15
3-core shielded wire
3X0.5
1. Signal wire is 3-core, polarized wire. Use 3-core shield wire
to prevent interference. The grounding method now is
grounding the closed end of the shield wire and opening
(insulating) at the end. Shield is to be grounded.
2. The control between outdoor unit and indoor unit is BUS type.
Addresses is set on field during the installation.
CAUTION
Indoor/Outdoor unit signal wire is low voltage circuit. Do not
let it touch the high voltage power wire and put it to gather
with power cord in the same wire distribution pipe.
NOTE
The wire diameter and continuous length is under the
condition that the voltage vibration is within 2%. If the
continuous length is exceed showing value, choose the
wire diameter follow relevant regulation.
Indoor unit power supply wiring
Indoor Power Supply
Circuit Breaker
Manual swtich
CAUTION
1. Refrigerant piping system, indoor unit-indoor unit connection
signal wires and indoor unit-outdoor unit connection singal wire
are in the same system.
2. When power cord is parallel with signal wire, please put them
into separate wire distribution pipes, and leave a proper distance.
(Reference distance: It is 300mm when current capacity of
power cord is less than 10A, or 500mm when 50A).
Wire Distribution Box
Indoor Unit
Fig. 7-4