Mitsubishi CITY MULTI PURY-EM-YNW-A1(-BS) Series Installation Manual page 49

(3) When a transmission booster unit is connected
OC
(51)
HB
M1M2 S
TB7
CN41
TB02
TB3
M1M2
M1M2 S
Ⓐ
Ⓐ Shielded cable
*1 Daisy-chain terminals (TB3) on outdoor units together in the same refrigerant system.
*2 Leave the power jumper connected to CN41.
Maximum allowable length of control cables
Transmission cables
Remote controller cables
WT09050X01
IC IC
TB5 TB5
M1M2 S M1M2 S
A B
ME
L + L
1
ℓ , ℓ
1
* 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.
Earth
RP IC
TB2 TB3
A B S A B S
TB5
M1M2 S
A B
ME
+ L + L , L + L + L + L , L
2 3 4 1 2 3 5
≤ 10 m (32 ft)
2
47
IC
TB5
M1M2 S
+ L , L + L ≤ 200 m (656 ft)
6 7 6 8