Installation Manual
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37
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37-EN
T
Centrally control the system by the SDI, DI series on their own setting for the terminating
resistor is required.
Use switch SW01 for the setting.
Make the terminating resistor setting only for the indoor unit with the smallest line address number.
1 2 3
A B
U3 U4
U1
U3
U2
U4
A B
U3 U4
A B
U1
U3
U2
U4
1 2 3
1 2 3
1 2 3
1 2 3
A B
U3 U4
1 2 3
1 2 3
A B
1 2 3
1 2 3
A B
1 2 3
Refrigeration
system 1
Refrigeration
system 2
Refrigeration
system 3
Refrigeration
system 4
Central
control
device
Central
control
device
Central control device: Up to 10 units
Outdoor
unit
Indoor / Outdoor connecting wires
(AC 220-240V serial)
Central control wires
*Connect 1 and 2 only
Follower
indoor unit
Follower
indoor unit
Indoor
unit
Follower
indoor unit
Header
indoor
unit
Header
indoor
unit
TCC-LINK
adapter
(option)
Required for
indoor units
other than
high wall type
Remote
controller
wiring
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Group operation (up to 8 units)
Twin and triple system (example of triple system)
Line address
1
2
4
SW01 bit1
ON
OFF
OFF
Remarks
Set bit1 of
SW01 to ON
Factory
default
Factory
default
(OFF at factory default)
