*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.
*2 If a system controller is used, set SW5-1 on all of the outdoor units to ON.
*3 BC, BS
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
WT07828X01
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
, m
1
2
BC
*3
IC
TB02
TB5
TB5
M1M2 S
M1M2 S
M1M2 S
A B
ME
L
+ L
+ L
1
2
L
+ L
+ L
7
6
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.