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6 Electrical wiring
6 ELECTRICAL WIRING
6.1 ELECTRICAL WIRING CONNECTION fOR INDOOR UNIT
Single phase connection (Without Electric Heater)
C A U T I O N
Use twisted shielded pair cable or shield pair cable for transmission
wires between the indoor and the outdoor units, and connect the
shielded part to the earth screw in the electrical box of the indoor
unit as shown in the figure
The service panel for the fan motor of the indoor unit is provided at the bot-
tom side of the unit, and the service panel for the electrical box is provided
at the right side of the unit as shown below.
Liquid Pipe
6.2 SETTINGS Of DIP SWITCHES
Quantity and Position of Dip Switches
Dips switches position is the following:
DSW4
DSW3
DSW7
remote Control
(PC-ArT)
Transmission Wires
Power supply wires
(Single phase)
Earth Screw
Gas Pipe
Drain hose
Service panel for
Wiring
electrical box
connection
RSW2
DSW5
DSW6
RSW1
9
PmmL0230A rev.1 - 06/2011
1
Open the bottom side Service Panel
2
Cut out the center of the rubber bushing in the wiring connection hole
of the unit showed above and of the electrical box shown below.
3
Connect the power supply and ground wires to the terminals in the
electrical box as shown below
4
Connect the wires between the indoor unit and the outdoor unit to the
terminals 1 and 2 in the electrical box.
5
Connect the cable of the remote Control Switch to the terminals A
and B in electrical box.
6
Tightly fix the wires with the cord clamp inside the indoor units.
7
Seal the wiring connection hole after running the cables with the seal
material (cover plate) to protect the unit from condensed water and
insects
Clamp
Power wires
C A U T I O N
Before setting dips switches, firstly turn off power source and set the
position of the dips switches. If the switches are set without turning
off the power source, the contents of the setting are invalid.
DSW6 and RSW1: Unit No. Setting
The below figure indicates the position before shipment.
Indication
Use flathead driver
rCS
Transmission wires
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