System Configuration - Mitsubishi Electric CITY MULTI PURY-P-ZKMU-A Installation Manual

10-4. System configuration

・Unit code and the maximum number of connectable units
Unit type
Main unit
Outdoor unit
Sub unit
Indoor unit
Main
BC controller
Sub
Main
HBC controller
Sub
Remote controller
Transmission booster unit
* A transmission booster may be required depending on the number of connected indoor units.
* The outdoor units in the same refrigerant circuit are automatically designated as OC and OS. The outdoor units are designated as OC and OS in the order of capacity from large to small (if two
or more units have the same capacity, in the order of address from small to large).
・System configuration example
* The numbers in the parentheses in the figures below indicate address numbers.
(1) When ME 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
WT07828X01
Code
OC –
OS –
IC 1 to 50 units per OC (depends on the unit model)
1 unit per OC
BC
0 to 2 units per OC
BS
1 to 2 units per OC
HB
0 to 2 units per OC
HS
RC 0 to 2 units per group
RP 0 to 2 units per OC
OC
CN41 CN40 *3
BC
(51)
(52)
TB02
M1 M2 S
TB3
M1M2
M1M2 S
TB7
Ⓐ
L
3
OC
*3
CN41 CN41 BC
(53)
(54)
TB02
M1 M2 S
TB3
M1M2
M1M2 S
TB7
Ⓒ
A B S
L + L + L
1 2 3
L , L + L
1 3 4
1 2 3
* 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-30
Number of connectable units
L
1
Group 1 Group 3
IC IC
BS
(55)
(01) (04)
TB02
M1 M2 S
TB5 TB5
M1 M2 S M1 M2 S
A B
(101)
ME
L
IC IC
(03)
(02)
TB5
TB5
M1 M2 S M1 M2 S
A B
(103)
ME
+ L , L + L + L + L , L + L + L
4 1 2 3 5 1 2 6
, L + L , L , L + L
3 5 6 2 6
4
Group 5
IC IC
*3
(05) (06)
TB5 TB5
M1 M2 S M1 M2 S
3 3 3
A B A B
(105) (155)
ME ME
Ⓑ
4
IC
(07)
TB5
M1 M2 S