ELECTRICAL WIRING
3
ENGLISH
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
2
or the 2-core twist pair cable (Max. 1.000 m) for the
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.
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.)
Setting of DSW
Pin Nº Contents
OFF ON
Remarks
1
2
3
For address setting
Refer to the description
(as shown in page 4)
For connecting plural central stations with H-
LINK (control line), the adress setting for
each central station is required
DSW1
4
Simultaneous use of other
central controller
NO YES
When using the following central controllers
simultaneously, set the DSW1-4 pin ON
-CS NET
-CS NET-WEB
1
External Input Function
Changeover
Operation Stoppage
Level/Pulse
Level Pulse
2
External Input Function
Changeover
Demand / Emergency Stop
Demand
Emergency
Stoppage
-Available only when the DSW2-1 pin is OFF.
-Pulse Stop when the DSW2-1 pin is ON.
3 Not prepared - - Set OFF
DSW2
4 H-LinkII Adaptive Adaptive Non-Adaptive
Set according to the item
“Judgment of H-LINKII Adaptive”
(shown in page 5)
Remote Control
Switch
Outdoor
Unit
Twist Pair Cable
with shield 0,75mm
2
To be connected to
the terminal board
o
and p of indoor
unit or outdoor unit
Central Station
Terminal
Board
TB1
Power Supply
(AC 220V or
240V)
To TB2 of
Central Station
o
p
H-LINK (Control line)
Indoor Unit
FG
Terminal
Board
TB2
o
p
o
p
o
p
o
p
o
p
o
p
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