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2. Follow the steps below to set the DIP switch on the header
outdoor unit interface P.C. board.
2-1.Header outdoor unit setting
Turn on DIP switch 1 of SW101 on the header outdoor unit interface P.C. boards.
And, turn on DIP switch 2 of SW100.
Interface P.C. board on the header outdoor unit
2-2.Line (system) address setting
For the central control among two or more refrigerant lines or group control among two or more refrigerant lines,
set the line (system) address.
(Example)
Controlling a single refrigerant line centrally
Outdoor
Outdoor
Central
control
System wiring
Indoor
Indoor
diagram
Remote
Remote
Remote
control
control
Line (system)
N
o
address setting
49-EN
* Header outdoor unit setting
is required also of an outdoor
individual system.
Controlling 2 or more refrigerant lines centrally
Outdoor
Outdoor
Central
control
Indoor
Indoor
Indoor
Indoor
Indoor
Remote
Remote
Remote
control
control
control
control
S
t e
h t
e
a
d
d
– 25 –
E (
x
a
m
l p
) e
System wiring
diagram
Line (system)
address setting
* Only if each refrigerant line has the same communication type (either TU2C-Link or TCC-Link), the group control
among multiple refrigerant lines is available. If one refrigerant line has TU2C-Link and another refrigerant line
has TCC-Link in the system, the group control among multiple refrigerant lines is unavailable.
(1) Set a line (system) address for each system using SW101 and 102 on the interface P.C. board on the
header outdoor unit of each system.
(Factory default : Address 1)
NOTE
Be sure to set a unique address on each system. Do not use a same address as another system (refrigerant line)
or a custom side.
Interface P.C. board on the header outdoor unit
Central
control
Indoor
e r
s s
C
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t n
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n i
g
2
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m
o
e r
e r
r f
g i
e
a r
n
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n i
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s
a
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a
g
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p
Outdoor
Outdoor
Indoor
Indoor
Indoor
Indoor
(Group control)
Remote
control
Set the address
(
) *
EN
50-EN
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