Electrical Wiring - Hitachi PC-ARF Technical Catalogue

5 Centralised remote controls
PSC-A64S
2 Connect the power supply part to the control box, as shown below.
N O T E
Do not lay the cables from the power source and the control unit in the same duct, since the power cable is liable to cause interference
with the control cable.
3 Connect the control unit part to the power supply part. Join them at the top first, then at the bottom.

5.3.3 Electrical wiring

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Electrical wiring connection
Up to 8 central controls can be connected to the H-LINK system.
Use the 2-core cable of 0.75-1.25 mm
central station, for the outdoor unit and between indoor units (DC5V). The maximum total length of the cables shall be
within 1.000 m.
To connect to terminal block 1 and 2 of the indoor unit
Power source
(220VAC or 240 VAC)
373
TCGB0106 rev.0 - 12/2014
Power supply wire
Power supply part
Screws
or the 2-core twist pair cable (Max. 1.000 m) for the transmission cable for the
2
and the outdoor unit
Central station
Terminal Terminal
board 1 board 2
H-LINK
(control line)
To TB2 of other
central stations
Shielded twisted pair cable
(1p-0.75 mm2) or Twisted
pair cable
Control box
Control cable
Outdoor units
Indoor units
Remote
control switch
5