En-8
6.3.3. Remote controller cable
Remote controller cable modi
fi
cation.
(1) Use a tool to cut off the terminal on the end of the remote controller cable, and then
remove the insulation from the cut end of the cable.
13/16 in (20 mm)
13/16 in (20 mm)
For 3-wire type
For 2-wire type
(2) Connect the remote controller cable with connecting cable with solder.
IMPORTANT:
Be sure to insulate the connection between the cables.
For dual control or group control
For 3-wire type
Solder and insulate the connected parts.
Red
Red
White
Black
Remote controller cable
Connecting cable
(Accessories)
Black
White
For 2-wire type
Solder and insulate the connected parts.
Red
Connecting cable
(Accessories)
Remote controller
cable (non polar)
Cut and insulate
Black
White
(3) Connect the cable of wired remote controller unit to the connector of control unit, and
set the DIP switch (SW1).
CAUTION
When switching the DIP switch (SW1), be sure to turn off the power supply to the
indoor unit. Otherwise, the PC board of the indoor unit may be damaged.
For 2-wire type
For 3-wire type
Set the DIP switch (SW1)
2WIRE (Factory setting)
3WIRE
DIP switch
(SW1)
Connector
Connecting cable
(Accessories)
Wired remote
controller cables
WARNING
When using solid core cables, do not use the attached ring terminal. If you use the solid
core cables with the ring terminal, the ring terminal's pressure bonding may malfunction
and cause the cables to abnormally heat up.
B. For strand wiring
(1) Use ring terminals with insulating sleeves as shown in the
fi
gure below to connect to
the terminal block.
(2) Securely clamp the ring terminals to the cables using an appropriate tool so that the
cables do not come loose.
(3) Use the speci
fi
ed cables, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(4) Use an appropriate screwdriver to tighten the terminal screws.
Do not use a screwdriver that is too small, otherwise, the screw heads may be dam-
aged and prevent the screws from being properly tightened.
(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
(6) See the table for the terminal screw tightening torques.
(7) Please do not
fi
x 2 power supply cables with 1 screw.
Strip 3/8 in
(10 mm)
Ring terminal
Sleeve
Screw with
special washer
Screw with
special washer
Ring terminal
Terminal block
Ring terminal
Cable
Cable
WARNING
Use ring terminals and tighten the terminal screws to the speci
fi
ed torques, otherwise,
abnormal overheating may be produced and possibly cause heavy damage inside the
unit.
Terminal number
Tightening torque
M4 screw (Power supply/Change: L1, L2 (N), GND)
11 to 16 Ibf·in (1.2 to 1.8 N·m)
6.3.2. Transmission cable
1-3/16 in (30 mm)
1-3/8 in (35 mm)
Shielded cable
(no
fi
lm)
• When the 2 cables are attached.
GOOD
PROHIBITED
Different diameter
Connect to 1 side
WARNING
Tighten the terminal screws to the speci
fi
ed torques, otherwise, abnormal overheating
may be produced and possibly cause heavy damage inside the unit.
Terminal number
Tightening torque
M3 screw (Transmission/X1, X2)
4.4 to 5.3 Ibf·in (0.5 to 0.6 N·m)
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.
Remove it with the following sequence in case of the state with the grille.
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