En-11
Tightening torque
M4 screw
(Power supply /L, N, GND)
1.2 to 1.8 N·m
(12 to 18 kgf·cm)
5.3.2. Transmission and Remote control cable
40 mm
75 mm
Transmission cable
Shielded
cable (no
fi
lm)
• Connect remote control and transmission cables as shown
in Fig. C.
Fig. C
OK
NO GOOD
NO GOOD
Different
diameter
Connect to
one side
WARNING
• Tighten the terminal screws to the specified torques,
otherwise, abnormal overheating may be produced and
possibly cause heavy damage inside the unit.
Tightening torque
M4 screw
(Transmission /X1, X2)
0.8 to 1.2 N·m
( 8 to 12 kgf·cm)
CAUTION
• To peel the
fi
lm from the lead cable, use a dedicated tool that
will not damage the conductor cable.
• When installing a screw on the terminal block, do not cut the
cable by overtightening the screw. On the other hand, an
undertightened screw can cause faulty contact, which will
lead to a communication failure.
6. FIELD SETTING
• Refer to the following three items for setting the FIELD
SETTING address. The respective settings are included
below.
(1) IU AD, REF AD SW settings ............ This section
(2) Remote control settings ................... Refer to the wired or
wireless remote control
m a n u a l f o r d e t a i l e d
setting information. (Set
IU AD, REF AD SW to 0)
(3) Automatic address settings .............. Refer to the indoor unit
m a n u a l f o r d e t a i l e d
setting information. (Set
IU AD, REF AD SW to 0)
6.1. Setting the address
Manual address setting method
CAUTION
• When setting the DIP switch, use an insulated screw driver.
• When handling the PCB, static electricity charged in the
body may cause malfunction of the PCB. Follow the cautions
below:
• Touch metal part of the indoor and outdoor units for more
than 10 seconds to discharge static electricity charged in
the body.
• Do not touch terminals of parts and patterns implemented
on the PCB.
(1) Remove the cable clamp.
Screw
Cord clamp
(2) Remove screws of the heat exchanger, and then remove
grounding wire.
(3) Remove three thermistors.
(4) Remove the connector.
Screw
Thermistor
Connector
Grounding
wire
(5) Remove screw, then remove the control unit.
Control unit
Screw
Screw
