Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 66

[ II Restrictions ]
(4) Wiring method
1) Indoor-heat source transmission line
Same as [5] 8.
Shielded cable connection
Same as [5] 6.
2) Transmission line for centralized control
Same as [5] 9.
Shielded cable connection
Same as [5] 9.
3) MA remote controller wiring
When 2 remote controllers are connected to the sys-
tem
HWE15150
Group operation of indoor units
Same as [5] 6.
4) ME remote controller wiring
When 2 remote controllers are connected to the sys-
tem
Group operation of indoor units
Same as [6] 1.
5) LOSSNAY connection
Same as [5] 9.
6) Switch setting
Address setting is required as follows.
- 57 - 57
GB