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7. Electrical work
[2] Standard systems
2-1. Only 3-branch type
OC
BC
(3-branch type)
A
B
C
IC
IC
IC
R
R
R
C
C
C
2-4. 2 branch boxes (5-branch type, maximum 8 indoor units)
OC
BC
(5-branch type)
A
B
C
IC
IC
IC
R
R
R
C
C
C
[3] Incorrect systems
3-1. Group operation
by single remote
controller
OC
BC
(3-branch type)
A
B
C
IC
IC
IC
RC
R
C
3-1. Plural indoor units cannot be operated by a single remote controller.
3-2. Different refrigerant systems cannot be connected together.
3-3. A M-NET adapter cannot be connected to an outdoor unit.
2-2. Only 5-branch type
OC
BC
(5-branch type)
A
B
C
D
IC
IC
IC
IC
R
R
R
R
C
C
C
C
BC
(5-branch type)
D
E
A
B
IC
IC
IC
IC
R
R
R
R
C
C
C
C
3-2. Group operation between different refrigerant
systems
OC
BC
BC
(3-branch type)
A
B
C
A
IC
IC
RC
2-3. 2-branch boxes (3-branch type)
OC
BC
(3-branch type)
A
B
E
IC
IC
IC
R
R
R
C
C
C
C
D
E
IC
IC
IC
1. Up to 2 branch boxes can be connected to a single outdoor
unit.
2. Up to 8 indoor units can be connected to the system.
R
R
R
C
C
C
3-3. Connection of M-NET adapter to outdoor unit
OC
OC
BC
(3-branch type)
(3-branch type)
B
C
A
B
IC
IC
IC
RC
RC
R
C
BC
(3-branch type)
C
A
B
C
IC
IC
IC
IC
R
R
R
R
C
C
C
C
ADP
Master controller
001
(G-50, etc.)
M-NET
Power supply unit
C
IC
R
C
11
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