Hitachi FSXN Series Service Manual page 91

4 Electrical wiring
4 Tightly clamp the wires using the cord clamp inside the electrical box.
5 Fix the electrical box cover after wiring work.
A Terminal board for operating line
B Terminal board for power supply
C Cord clamp
D Operating line connection
E Earth wire
F Power supply line connection
¿ Field minimun wire sizes
1 Perform the electrical wiring work for the CH units. Determine the cable size according to the table below.
2 Pay attention to the marks on the terminal board when connecting wires for CH unit and Indoor unit / Outdoor unit. Refer
to "Example of Electrical Wiring" for the wiring connection on the next page.
Model Supply voltage
CH-6.0N1
1~ 220-240V/1Ø/50Hz
CH-10.0N1
N O T E
• Follow local codes and regulations when selecting field wires.
• The wire sizes marked with
the European Standard, EN60 335-1. Use the wires which are not lighter than the ordinary tough rubber sheathed
flexible cord (code designation H05RN-F) or ordinary polychloroprene sheathed flexible cord (code designation
H05RN-F).
• The wire sizes marked with
the wire, MLFC (Flame Retardant Polyflex Wire) manufactured by Hitachi Cable Ltd., Japan.
• Use a shielded cable for the transmitting circuit and connect it to ground.
84
SMGB0065 rev. 1 - 12/2010
A
CN CN CN CN
4 3 2 1
PCB1
C
TB2
D E
Power source cable size
Maximum
EN60 335-1
current (A)
(mm
1 0.75
1
in the above table are selected at the maximum current of the unit according to
2
in the above table are selected at the maximum current of the unit according to
TB1
L1 L2
N
PCN
1
F
Transmitting cable size
EN60 335-1
2 (2)
MLFC (mm )
2 (1)
) (mm
0.5 0.75
B
C
Earth wire
size (mm
2 (2)
MLFC (mm )
2 (1)
)
0.5
2
)
2.0