Hitachi RPC-1.5FSN3 Installation And Operation Manual page 41

ELECTrICAL WIrING
2 The wiring connection for electrical box is as follows.
a. Open the air inlet grille.
b. remove the electrical box cover.
c. Connect the control cable, power source cable and
remote control switch cable.
Electrical box
PcB1
Terminal board
(white)
remote control
switch cable
Transition wiring between indoor
(Case that multiple indoor units are operated
by one remote control switch.)
This is not required for the simultaneous
operation of UTOPIA series at a maximum of 4
indoor units.
17.4 diP sWitcH settinG
1 Turn OFF all the power supply to the indoor and the outdoor
units before dip switch setting. If not, the setting is invalid.
2 The positions of dip switches on PCB are shown in the figure
below.
39 PMML0254A rev.4 - 12/2018
Terminal board (white)
Terminal board
(black)
Earth terminal
Power source line
remote control
switch cable
Control
cable
units
d. After the wiring is completed, attach the electrical box
cover again with care in order not to bite wires.
!
d a n G e r
Tightly clamp wires by the cord clamp after the wiring is completed
to the terminal board. If not completed, it may cause a fire by biting
wires.
DSW4
(Unit model code setting)
Indoor unit PCB
DSW9
(Optional function setting)
(Indoor unit number setting)
Wire for fan motor
rSW2 & DSW5
(refrigerant cycle number setting)
DSW7
(Fuse recover)
dsW3
(Capacity setting)
rSW1 & DSW6