Mitsubishi CITY MULTI PURY-EM-YNW-A1(-BS) Series Installation Manual page 48

(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
Ⓐ
Ⓑ 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 When a PAR-31MAA is connected to a group, no other MA remote controllers can be connected to the same group.
*4 Main HBC controller, Sub HBC controller
Maximum allowable length of control cables
Transmission cables via outdoor units
Transmission cables
Remote controller cables
*5 When extending the length of the transmission cables to 1000 m (3280 ft), consult your dealer.
WT09050X01
*4 *4
OC HB HS
(51) (52) (53)
TB3 TB02 TB02
M1M2 M1M2 S M1M2 S
TB7
M1M2
S
To be connected
Ⓐ
*4 *4
OC HB HS
(57) (54) (56)
TB3 TB02 TB02
M1M2 M1M2 S M1M2 S
TB7
To be left unconnected
M1M2 S
Ⓑ
A B S
L + L + L
32 31 12
L , L , L
12 22 31
m , m + m ≤ 200 m (656 ft)
1 2 3
46
L
12
Group Group
IC IC
(01) (02)
TB5 TB15 TB5 TB15
M1M2 M1M2
S 1 2 S 1 2
A B A B
1 2 1 2
MA MA
L
22
Group
IC IC
(04) (05)
TB5 TB5 TB15
TB15
M1M2 S 1 2 M1M2 S 1 2
A B
1 2
MA
m
3
, L + L , L + L + L ≤ 500 m (1640 ft)
32 22 12 31 22
+ L ≤ 200 m (656 ft)
32
Interlocked operation with the
ventilation unit
Group
LC
IC
(03) (07)
TB5 TB15 TB5
M1M2 M1M2
S 1 2 S
A B
1 2
MA
Group
LC
IC
(06) (08)
TB5
TB5 TB15
M1M2 S 1 2 M1M2 S
A B
1 2
MA
*5