Wiring Connection; Electrical Wiring Installation - Hitachi RPIH-4.0FSRE Manual De Instalación Y Funcionamiento

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ELECTRICAL WIRING

7.1 WIRING CONNECTION

!
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.
7.1.1 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 left side of the unit as shown
below.
RPIH-(4.0~6.0)FSRE
Liquid pipe
Gas pipe
Drain hose
Electrical box

7.1.2 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.
Earth
Power supply
Control
13
PMML0529 rev.1 - 02/2021
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.
!
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.
7.1.3 Electrical box layout
Wiring connection
Earth
PCB: Printed circuit board
7.1.4 Terminal board connections
Remote control
(PC-ARFP1E)
C A U T I O N
PCB
TB
Transmission
wires
Electrical box
Power supply
wires
(Single phase)
Earth Screw

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