Details Of Electrical Wiring Connection - Hitachi RPC-2.0FSR Installation & Maintenance Manual

7.2.2 Details of Electrical Wiring Connection
The electrical wiring capacity of the outdoor unit should be referred according to "Installation & Maintenance
Manual" of the outdoor unit. Setting Dip Switch may be required depending on the combination with the
outdoor unit.
NOTE:
When installing the unit in Australia, connect the both ends of shielded twist pair cable (controller cable and
control cable) to the earth. (Refer to the item 7.3 (8) for details.)
(1) For UTOPIA Series
Select wiring capacity according to the table 7.1. Install the ELB and the main switch to each as
shown in the following figures.
Use CASE B method wiring for Australia.
The control cable length between the outdoor unit and the indoor unit shall be less than 75m.
< Case A >
Power Source Type: 3 Phase 4 Wires
Controller Cable
1N
220V / 50Hz
(Field-Supplied)
240V / 50Hz
Shielded Twist Pair Cable 0.75mm
220V / 60Hz
This cable does not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 5V)
ELB
Main
Outdoor Unit
Switch
L2
L1
1 2
N
Earth Wiring
*5
*4
*4
Power Source Cable
Pay attention to the phase
of power source when wiring.
A10762300A-rev.1
Wired
Controller
(Option)
2
Indoor Unit
R S
A B 1 2
L1 N
*7
Earth
Wiring
Control Cable
Shielded Twist Pair Cable 0.75mm
This cable does not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 5V)
Power Source Type: 3 Phase 3 Wires
1
220V / 50Hz
220V / 60Hz
ELB
Main
Outdoor Unit
Switch
*8
L2
L1
1 2
N
*4
*4
Power Source Cable
2
Pay attention to the phase
of power source when wiring.
Refer to "Installation & Maintenance Manual" of connected outdoor unit for
details of wire, ELB and main switch.
Controller Cable
(Field-Supplied)
2
Shielded Twist Pair Cable 0.75mm
This cable does not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 5V)
Indoor Unit
R S
A B 1 2
L1 N
Earth Wiring
*5
Control Cable
Shielded Twist Pair Cable 0.75mm
This cable does not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 5V)
Wired
Controller
(Option)
*8
*7
Earth
Wiring
2
23