En-23
12. OPTIONAL PARTS
WARNING
Refer to local codes for acceptable cable type.
12.1. External input and external output
Connection methods
• Wire modi
fi
cation
Remove insulation from wire attached to wire kit connector.
Remove insulation from
fi
eld supplied cable.
Use crimp type insulated butt connector to join
fi
eld cable and
wire kit wire.
Option parts
External input/output wire
Insulated connection
Cable (Field supply)
Output terminal (CN103)
Input No Voltage terminal
(CN102)
Cable tie (Small)
(Accessories)
[Using the wireless remote controller for test
run] (Option)
• For the operation method, refer to the operating manual.
• The outdoor unit may not operate depending on the room
temperature. In this case, press the test run button on the
wireless remote controller unit while the air conditioner is
running. (Point the transmitter section of the wireless remote
controller toward the air conditioner and press the test run
button with the tip of a ball-point pen and so on.)
Transmitter section
Test run button
• To end test operation, press the wireless remote controller
START/STOP button.
(When the air conditioner is run by pressing the test run
button, the OPERATION indicator lamp and TIMER indica-
tor lamp will simultaneously
fl
ash slowly.)
11. SPECIAL INSTALLATION METHODS
CAUTION
When setting DIP switches, do not touch any other
parts on the circuit board directly with your bare
hands.
Be sure to turn off the main power.
DUAL REMOTE CONTROLLERS
• 2 separate remote controllers can be used to operate the
indoor units.
• The timer and self-diagnosis functions cannot be used on
the secondary units.
(1) Wiring method (indoor unit to remote controller)
Remote controller cable
Indoor unit
Remote controller
Secondary unit
Primary unit
(2) Remote controller DIP switch 1 setting
Set SW2 on the remote controller DIP switch 1 according
to the following table.
Number of Remote
Controllers
Primary Unit
Secondary Unit
SW2
SW2
1 (Normal)
OFF
–
2 (Dual)
OFF
ON
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