Mitsubishi Electric PURY-WP-YJM-A Data Book page 183

2. M-NET control
2-3-4. Power supply to LM-AP
1-phase 220-240VAC power supply is needed.
The power supply unit PAC-SC51KUA is not necessary when connecting only the LM-AP. Yet, make sure to change
the power supply changeover connector CN41 to CN40 on the LM-AP.
2-3-5. Power supply to expansion controller
1-phase 100-240VAC power supply is needed.
The power supply unit PAC-SC51KUA is not necessary.
The expansion controller supplies power through TB3, which equals 6 indoor units. (refer to Table 2-3-2)
2-3-6. Power supply to BM ADAPTER
1-phase 100-240VAC power supply is needed.
The power supply unit PAC-SC51KUA is not necessary when only BM ADAPTER is connected.
Make sure to move the power jumper from CN41 to CN40 on the BM ADAPTER.
2-3-7. Power supply to GB-50ADA
1-phase 100-240VAC power supply is needed.
The power supply unit PAC-SC51KUA is not necessary.
GB-50ADA supplies power through TB3, which equals 6 indoor units. (refer to Table 2-3-2)
SYSTEM DESIGN 4 - 12