Mitsubishi Electric CITY MULTI PURY-P-ZKMU-A Installation Manual page 33

(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.
*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.
GB-31
L
1
Group 1 Group 3
IC IC
BS
(55)
(01) (04)
TB02
TB5 TB15 TB5 TB15
M1 M2 S
M1 M2 S 1 2 M1 M2 S 1 2
A B
MA
L
4
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
3 4 1 2 6
, L , L + L
4 6 2 6
+ m + m + m
1 2 3 4
Ground
IC RP
TB2 TB3
A B S A B S
M1M2 S
+ L + L + L , L + L + L + L + L + L , L
3 4 6 7 1 2 3 4 6 8
+ L , L + L + L + L
4 5 5 4 6 8
Group 5
IC IC
*3
(05) (06)
2
TB5 TB15 TB5 TB15
M1 M2 S 1 2 M1 M2 S 1 2
4
A B A B
MA MA
Ⓑ
IC
(07)
TB5 TB15
M1 M2 S 1 2
IC IC
TB5 TB5
M1M2 S
A B
ME
+ L + L + L ,
1 2 3 5