Main Switch; Outdoor Unit - Hitachi 4FSVN1Q Installation & Maintenance Manual

1P,220V/50HZ,60HZ
220-240V~ 50Hz
1P,220~240V/50HZ
220V~ 60Hz
220V/60HZ

Main Switch

Outdoor Unit

Power Source Cable
Pay an attention to the phase
of power source when wiring.
380-415V 3N~ 50Hz
380V 3N~ 60Hz
Power Source Cable
Pay an attention to the phase
of power source when wiring.
G Install an ELB in the power source.
If ELB is not used, it will cause electric shock or fire
at the worst.
G The tightening torque of each screw shall be as
follows.
.
M4: 1.0 to 1.3 N m
.
M5: 2.0 to 2.5 N m
.
M6: 4.0 to 5.0 N m
.
M8: 9.0 to 11.0 N m
.
M10: 18.0 to 23.0 N m
Keep the above tightening torque when wiring work.
220-240V~ 50Hz
220V~ 60Hz
Main Switch
No.1 Indoor Unit
No.1 Indoor Unit
Control Communication Cable Control Communication Cable
2
Shielded Twist-Pair Cable 0.75mm
x 2
This cable dose not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 5V)
Fig. 6.3 Wiring Connection for Indoor & Outdoor ( 1N
220-240V~ 50HZ
220V~ 60HZ
No.1 Indoor Unit
Control Cable
2
Shielded Twist-Pair Cable 0.75mm x 2
This cable dose not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 5V)
Fig. 6.4 Wiring Connection for Indoor & Outdoor ( 3N
Remote
Remote
Control Switch
Control Switch
(Option)
(Option)
No.2 Indoor Unit
Remote Control
Switch Cable
Shielded Twist-Pair Cable 0.75mm
This cable dose not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 12V)
Remote
Remote
Control Switch
Control Switch
(Option)
(Option)
No.2 Indoor Unit
Remote Control
Switch Cable
(Field Supplied)
Shielded Twist-Pair Cable 0.75mm
This cable dose not need any polarity.
Do not apply an excessively high
voltage to this cable. (Rated Voltage: 12V)
21
2
x 2
~ )
2
x 2
~
)