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Electrical Wiring; Setting Of Dip Switch Set The Dsw1 As Shown Below - Hitachi PSC-A64S Installation And Operation Manual

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3.

ELECTRICAL WIRING

3.1. ELECTRICAL WIRING
Up to 8 Central Stations can be connected to the H-LINK (Control line).
Use the 2-core cable of 0.75-1.25 mm
transmission cable for the central station, for the outdoor unit and between indoor units (DC5V). The
maximum total length of the cables shall be within 1.000 m.
Central Station
Terminal
Terminal
Board
Board
TB1
TB2
FG
Power Supply
(AC 220V or
To TB2 of
240V)
Central Station
Twist Pair Cable
with shield 0,75mm

3.2. SETTING OF DIP SWITCH SET THE DSW1 AS SHOWN BELOW.

Address setting is required when the central station (Max. 8 units) is connected on H-LINK
(Control line).
(The setting of dip switches is all OFF before shipping.)
Pin Nº
1
2
For address setting
3
DSW1
Simultaneous use of other
4
central controller
External Input Function
Changeover
1
Operation Stoppage
Level/Pulse
External Input Function
Changeover
2
DSW2
Demand / Emergency Stop
3
Not prepared
4
H-LinkII Adaptive
2
or the 2-core twist pair cable (Max. 1.000 m) for the
To be connected to
the terminal board
and
of indoor
unit or outdoor unit
H-LINK (Control line)
2
Setting of DSW
Contents
OFF
Refer to the description
(as shown in page 4)
NO
Level
Demand
-
Adaptive
ELECTRICAL WIRING
Unit
Outdoor
ON
For connecting plural central stations with H-
LINK (control line), the adress setting for
each central station is required
When using the following central controllers
simultaneously, set the DSW1-4 pin ON
YES
-CS NET
-CS NET-WEB
Pulse
Emergency
-Available only when the DSW2-1 pin is OFF.
Stoppage
-Pulse Stop when the DSW2-1 pin is ON.
-
Set OFF
Set according to the item
"Judgment of H-LINKII Adaptive"
Non-Adaptive
(shown in page 5)
3
Indoor Unit
Remote Control
Switch
Remarks

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