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)
Terminal board
(black)
Earth terminal
Power source line
remote control
switch cable
Terminal board
(white)
remote control
switch cable
Control
cable
Transition wiring between indoor
units
(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.
d.
After the wiring is completed, attach the electrical box
cover again with care in order not to bite wires.
Wire for fan motor
!
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.
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.
Indoor unit PCB
DSW4
(Unit model code setting)
rSW2 & DSW5
(refrigerant cycle number setting)
DSW7
(Fuse recover)
dsW3
(Capacity setting)
rSW1 & DSW6
(Indoor unit number setting)
DSW9
(Optional function setting)
ELECTrICAL WIrING
PMML0254A rev.4 - 12/2018
39
EN