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(2) When MA remote controllers are connected
* Move the power jumper from CN41 to
CN40. *
1
* SW5-1: ON *
2
* Leave the power jumper connected to
CN41.
* SW5-1: ON *
2
Shielded cable
Ⓐ
Sub remote controller
Ⓑ
Ⓒ
System controller
*1 When a power supply unit is not connected to the centralized control transmission cable, move the power jumper from CN41 to CN40 on only one of the outdoor units (except 208-230
V model). When the System controller is connected to TB7 side and 208-230 V outdoor unit model is used, connect a power supply unit to TB7 side. If a power supply unit cannot be
used, connect the System controller to TB3 side. Up to three System controllers can be connected to TB3 side.
*2 If a system controller is used, set SW5-1 on all of the outdoor units to ON.
*3 BC, BS
*4 When a PAR-31MAA is connected to a group, no other MA remote controllers can be connected to the same group.
Maximum allowable length of control cables
Transmission cables via outdoor units
Transmission cables
Remote controller cables
(3) When a transmission booster unit is connected
OS
OC
(52)
(51)
M1M2 S
M1M2 S
TB7
TB7
CN41
CN41
TB3
TB3
M1M2
M1M2
Ⓐ
Shielded cable
Ⓐ
*1 Daisy-chain terminals (TB3) on outdoor units together in the same refrigerant system.
*2 Leave the power jumper connected to CN41. When connecting a system controller to the transmission line (TB7) for centralized control, refer to (1), (2), or DATA BOOK.
*3 BC
Maximum allowable length of control cables
Transmission cables
Remote controller cables
WT09117X05
OC
CN41 CN40
*3
BC
(51)
(52)
TB02
TB3
M1 M2 S
M1M2
M1M2 S
TB7
Ⓐ
L
3
OC
CN41
*3
BC
(53)
(54)
TB02
TB3
M1 M2 S
M1M2
M1M2 S
TB7
Ⓒ
A B
S
L
+ L
+ L
1
2
L
, L
+ L
1
3
m
+ m
1
2
BC
*3
IC
TB02
TB5
M1M2 S
M1M2 S
M1M2 S
L
+ L
+ L
1
2
L
+ L
+ L
7
6
ℓ
, ℓ
≤ 10 m (32 ft)
1
2
* If the length exceeds 10 m (32 ft), the length that exceeds 10 m (32 ft) needs to be included in the
maximum allowable length of transmission cables above.
GB-33
L
1
Group 1
Group 3
IC
IC
(01)
(04)
TB5
TB15
TB5
TB15
M1 M2 S
M1 M2
S
1 2
M1 M2 S
1 2
A B
MA
IC
IC
(03)
(02)
TB5
TB15
TB5
TB15
M1 M2 S
1 2
M1 M2 S
1 2
A B
MA
+ L
, L
+ L
+ L
≤ 500 m (1640 ft)
3
4
1
2
6
, L
, L
+ L
≤ 200 m (656 ft)
4
6
2
6
, m
+ m
+ m
+ m
≤ 200 m (656 ft)
1
2
3
4
Ground
IC
RP
TB2
TB3
A B
S
A B S
TB5
A B
ME
+ L
+ L
+ L
, L
+ L
+ L
+ L
+ L
+ L
3
4
6
7
1
2
3
4
6
+ L
, L
+ L
+ L
+ L
≤ 200 m (656 ft)
4
5
5
4
6
8
Group 5
IC
IC
*3
BS
(55)
(05)
(06)
2
TB02
TB5
TB15
TB5
M1 M2 S
1 2
M1 M2 S
4
A B
A B
MA
MA
L
Ⓑ
4
IC
(07)
TB5
TB15
M1 M2 S
1 2
IC
IC
TB5
TB5
M1M2 S
M1M2 S
A B
ME
, L
+ L
+ L
+ L
,
8
1
2
3
5
TB15
1 2
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