Electrical Wiring - Hitachi RPI-2.0FSN4E Installations- Und Betriebshandbuch

ELECTRICAL WIRING

6 ELECTRICAL WIRING
6.1 ELECTRICAL WIRING CONNECTION FOR INDOOR UNIT
Electrical box location
The service panel for the fan motor of the indoor unit is provided
at the bottom 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
Electrical wiring installation
1 Open the bottom side Service Panel
2 Cut out the centre 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
8 PMML0255A rev.6 - 08/2016
Gas Pipe
Drain hose
Service panel
Wiring
for electrical
connection
box
!
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
Electrical box layout
PCB1
Remote Control
Transmission
(PC-ARFPE)
Wires
PCB2
TB
Power supply
wires
(Single phase)
Earth Screw