Mitsubishi Electric PURY-(E)P-YLM-A (-BS) Installation Manual page 50

(3) When a transmission booster unit is connected
OS
(52)
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.
*3 In an R2 system: BC
In a Hybrid City Multi system: HB
Maximum allowable length of control cables
Transmission cables
Remote controller cables
WT07282X01
OC
(51)
BC *3 IC
TB02 TB5
M1M2 S M1M2 S
IC RP
TB2
A B S A B S
TB5
M1M2 S
A B
ME
L + L + L + L + L + L , L
1 2 3 4 6 7 1
L + L + L + L , L + L + L
7 6 4 5 5 4 6
ℓ , ℓ ≤ 10 m (32 ft)
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-48
Earth
IC
TB3
TB5
M1M2 S M1M2 S
A B
ME
+ L + L + L + L + L , L + L
2 3 4 6 8 1
+ L ≤ 200 m (656 ft)
8
IC
TB5
+ L + L ,
2 3 5