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(Example)
Controlling 2 or more refrigerant lines as a group is not permitted
NOT Permitted
Outdoor
System wiring
Indoor
diagram
Remote
controller
(1) Set a line (system) address for each system using SW101 and 102 on the interface P.C. board on
the 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 outdoor unit
Switch settings for a line (system) address on the interface P.C. board on the outdoor unit
SW101
Line (system)
1
2
1
–
2
–
3
–
4
–
5
–
6
–
7
–
8
–
9
–
10
–
11
–
12
–
13
–
14
–
15
–
16
–
77-EN
Outdoor
Indoor
Indoor
Indoor
(Group control)
(: switch ON,
SW102
3
4
1
2
3
– 39 –
Line (system)
17
18
19
20
21
22
23
24
25
26
27
28
(2) Turn on DIP switch 1 of SW100 on the header outdoor unit interface P.C board of the lowest system
address number.
Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
Outdoor units (setting manually)
Outdoor unit's interface
P.C. board
SW101, 102
(line (system) address
DIP switch 1 of SW100
(Terminator of central
control line)
: switch OFF)
4
Indoor units
(automatic setting)
Line (system) address
Indoor unit address
Group address
SW101
1
2
3
4
1
–
–
–
–
–
–
–
–
–
–
–
–
*The items in bold font must be set manually.
Outdoor unit
Outdoor unit
1
2
Set to OFF
ON
after setting addresses.
Outdoor
Outdoor
unit
unit
Uh
Uh
Uv
Uv
Uv
Uv
Uv
Uv
A B
A B
A B
A B
Remote
Remote
Remote
controller
controller
controller
Group
Individual
1
1
2
2
1
2
1
2
0
0
1
1
SW102
2
3
4
Outdoor unit
Factory default
3
1
Set to OFF
ON
after setting
addresses.
Central
Outdoor
controller
unit
device
Uh
Uv
Uv
A B
Remote
controller
3
1
0
78-EN
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