Hitachi PSC-A1T - Electrical Wiring

ELECTRICAL WIRING
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ENGLISH
3. ELECTRICAL WIRING
Use this Timer with Remote Control Switch or Central Station.
 CAUTION:
- Use the twist pair cable (1P-0.75mm
2
) as a transmitting wire cable for prevention of the
malfunction. In case of a cable length less than 30 m also can be used:
- Shielded pair cable (Shield connected to earth by one side)
- Normal pair cable
- Keep a distance more than 30cm between the remote control cable and the transmission
wire of indoor units.
 Electrical Wiring
1. In case of using Timer with PC-ARTE
DSW1- 4 pin ON
DSW2- 2 pin ON
2. In case of using Timer with PSC-A16RS or PC-2H2
DSW1- 4 pin OFF
DSW2- 2 pin ON
a) Using Timer with PSC-A16RS
PSC-A1T
PC-ARTE
Indoor Unit
Transmission Wire
between Outdoor Unit and
indoor Unit (H-LINK)
Twist Pair cable 1P-0.75mm²
(Max. 100m)
Field-Supplied
PSC-A1T
PSC-A16RS
A
ccessory Cable (1m)
Connector
To other
centralized
ON/OFF
controllers
Twist Pair Cable
1P-0.75mm²
(Max. 1000m)
A
vailable for H-LINK
connection (to be
connected to the
terminal boards 1
and 2 of Indoor unit
or Outdoor unit
Power Supply:
A
C220V or 240V
CN1
TB2