En-4
5. INSTALLING THE REMOTE CON-
TROLLER
WARNING
Always use the accessories and specifi ed installation
work parts. Check the state of the installation parts. Not
using the specifi ed parts will cause units to fall off, water
leakage, electric shock, fi re, etc.
Install at a place that can withstand the weight of the
unit and install positively so that the unit will not topple
or fall.
When installing this unit, make sure that there are no
children nearby. Otherwise, injury or electric shock
could result.
Before starting installation work, turn off the power of
this unit and the connection destination. Do not turn on
the power again until installation is completed. Other-
wise, it will cause electric shock or fi re.
Use the accessories or specifi ed power supply cable
and remote controller cables. Do not modify power sup-
ply cable and remote controller cables other than those
specifi ed, do not use extension cords, and do not use
independent branch wiring. It will cause electric shock
or fi re.
Install the remote controller cables securely to the
terminal block. Confi rm that external force is not applied
to the cable. Use remote controller cables made of the
specifi ed wire. If intermediate connection or insertion
fi xing are imperfect, it will cause electric shock, fi re, etc.
When connecting the remote controller cable, route the
cables so that the rear case of this unit is securely fi xed.
If the rear case is not perfectly fi xed, it may cause fi re or
overheating of the terminals.
Always fasten the cable sheath of the connection cable
with the cable tie. If the cable sheath is chafed, electric
leakage may occur.
CAUTION
Do not set the DIP switch or rotary switch of this unit ex-
cept as specifi ed in this manual or the operating manual
supplied with the air conditioner. Setting the switches
other than specifi ed will cause an accident or trouble.
Use an insulated screwdriver to set the DIP switches.
Before opening the case of this unit, completely dis-
charge static electricity charged on you body. Not doing
so will cause trouble.
Do not touch the PC board and PC board parts directly
with your hands. Otherwise, injury or electric shock
could result.
Do not overtighten the screws. It will cause damage of
this unit.
Install the remote controller cables 1 m away from televi-
sion and radio to avoid distorted images and noise.
Confi rm the name of each terminal block of the unit and
connect the wiring in accordance with the directions
given in the manual. Improper wiring work will damage
the electric parts and cause smoke and fi re.
When installing the connection cable near a source of
electromagnetic waves, use shielded cable. Otherwise,
a breakdown or malfunction could result.
5.1. Wiring method
Remote controller
Indoor unit
When sheathed cable is used When Shielded cable is used
5.2. Preparing for Installation
5.2.1. Strip of the remote controller cable
(remote controller side)
A
B
A
B
Sheathed
cable
The functional earthing
must be completely cut off.
A: 45 mm B: 7 mm
When sheathed cable is used
When Shielded cable is used
Shielded
cable
The functional earthing must be cut off. Failure to do so
could cause a short to occur on the PC board, which
could lead to damage, smoke, or fi re.
5.2.2. Remove the front case
When open the remote controller, remove the connector
from the front case PC board. The cables may break if
the connector is not removed and the front case hangs
down. When installing the front case, connect the con-
nector to the front case PC board. When removing and
connecting the connector, be careful not to break the
cables.
Lift up the front case while inserting the fl at-blade screw-
driver into the slot, and separate from the rear case.
Flat-blade
screwdriver
Insert the fl at-blade
screwdriver into the slot
and gently turn it around.
Slot
Rear case
Front case
Disconnect the connection cable connector from the con-
nector of the front case PC board.
Front case
(back side)
Rear case
Connector
9373328483-02_IM.indb 49373328483-02_IM.indb 4 11/18/2019 2:04:35 PM11/18/2019 2:04:35 PM
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