Hitachi RCIM-1.5FSN4 - 16 ELECTRICAL WIRING; 16.1 GENERAL INFORMATION; 16.2 INDOOR UNIT WIRING CONNECTIONS

ENGLISH
16 ELECTRICAL WIRING
16.1 GENERAL INFORMATION
 D A N G E R
• Turn off the main power switch to the indoor unit and the
outdoor unit before electrical wiring work or a periodical check
is performed.
• Check to ensure that the indoor fan and the outdoor fan have
stopped before electrical wiring work or a periodical check is
performed.
• Protect the wires, drain pipe, electrical parts, etc. from rats
or other small animals. If not protected, rats may gnaw at
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• Electrical wiring work must be performed by authorized
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• Perform electrical work according to this Installation Manual and
all the relevant regulations and standards. Failing to follow these
instructions can cause capacity shortage and performance
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• Tighten screws according to the following torque:
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(main power switches, circuit breakers, wires, conduit
connectors and wire terminals) have been properly selected.
Make sure that the components comply with National
Electrical Code (NEC).
2 Check to ensure that the power supply voltage is within
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3 Check the capacity of the electrical wires. If the power
source capacity is too low, the system cannot be started due
to the voltage drop.
4 Check to ensure that the ground wire is connected.
16.2 ELECTRICAL WIRING CONNECTION FOR INDOOR UNIT
1 The electrical wiring connection for the indoor unit is shown
below.
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Remote control switch cable
Control cable
Power source cable
Indoor unit
Air panel
Cable for auto swing motor
Wire clamp
 N O T E
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2 When installing the optional air panel, connect the connector
for the auto swing motor and the connector for the indoor
unit. Refer to the section
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ON
1 2
A B 1 2
Remote control switch cable
Control cable (Outdoor unit to indoor
unit and indoor unit to indoor unit)
Terminal block
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Wire clamp
Air panel
Indoor unit
Connector (CN17)
Earth screw
Control cable
Remote control
switch cable
Power source
cable
PCB
Cable for auto swing motor
 N O T E
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Electrical wiring
PMML0363A rev.2 - 08/2016 - P541655927