Hitachi RPI-0.4-6.0FSN5E Serie Manual De Instalación Y Funcionamiento página 20

ELECTRICAL WIRING
6 ELECTRICAL WIRING
6.1 ELECTRICAL WIRING CONNECTION FOR INDOOR UNIT
6.1.1 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 right side of the unit as shown below.
RPI-(0.4-1.5)FSN5E
Gas pipe
Liquid pipe
6.1.2 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.
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.
6.1.3 Electrical box layout
RPI-(0.4-1.5)FSN5E
14 PMML0385 rev.0 - 07/2017
Electrical
box
Drain hose
Wiring
connection
RPI-(2.0-6.0)FSN5E
Gas pipe
Liquid pipe
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.
!
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.
PCB
TB
Electrical
box
Drain hose
Wiring
connection