Dsw1 (Address Setting) - Hitachi PSC-A64S Installation And Operation Manual

ELECTRICAL WIRING
4

DSW1 (Address Setting)

Address 0 Address 1 Address 2
ON ON ON
1 2 3 4 1 2 3 4 1 2 3 4
Address 4 Address 5 Address 6
ON ON
ON
1 2 3 4 1 2 3 4
1 2 3 4
Divide the power line for the central station from the main power line by a pull box as shown in the
figure.
Pull Box
CAUTION:
- Check to ensure that the wiring is correct. Incorrect wiring may cause malfunction of the central
station.
- Turn OFF the power supply of the air conditioner and the central station when performing the
wiring work. If the wiring work is performed while the power supply of the central station is being
supplied, it may cause malfunction of the central station.
- DO NOT run all the transmission cable for the central station along the power line and other
transmission cables, or malfunction may occur due to the noise, etc. If the transmission cable for
the central station is required to be run along the power line and other transmission cables,
separate the cable more than 30 cm away from other cables, or run the cable through a metal
tube and earth the tube.
- In case of applying high voltage to the TB2, the fuse on the PCB is blown out.
In such a case, firstly correct the wiring to TB1, and then set Nº.2 pin ON.
Address 3
ON
1 2 3 4
Address 7
ON
1 2 3 4
220V or 240V
To Outdoor Unit or Breaker
Central Station
Indoor Unit
DSW3
(Fuse Recover)
NOTE:
When using the central station PSC-5S
and PSC-A64S together in the same H-
LINK (control line) system, set the
DSW1 not to be overlapped.