System Configuration Example - Mitsubishi Electric City Multi PUHY-P-YKB-A1 series Installationshandbuch

・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
*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.
Maximum allowable length of control cables
Transmission cables via outdoor units
Transmission cables
Remote controller cables
KD79S703H01
Group 1 Group 3
Ⓐ
Ⓒ
L + L + L
1 2 3
L , L + L
1 3 4
ℓ , ℓ , ℓ , ℓ
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-38
Group 5
Ⓑ
+ L , L + L + L + L , L + L
4 1 2 3 5 1
, L + L , L , L + L ≤ 200 m (656 ft)
3 5 6 2 6
≤ 10 m (32 ft)
4
Shielded cable
Ⓐ
Sub remote controller
Ⓑ
System controller
Ⓒ
+ L ≤ 500 m (1640 ft)
2 6