Mitsubishi Electric CITY MULTI PVFY-P18 NAMU-E Installation Manual page 21

Caution:
Do not use anything other than the correct capacity breaker and
fuse. Using fuse, wire or copper wire with too large capacity
may cause a risk of malfunction or fi re.
GROUNDING TERMINAL
Connecting remote controller, indoor and outdoor
transmission cables
Connect indoor unit TB5 and outdoor unit TB3. (Non-polarized
2-wire)
The "S" on indoor unit TB5 is a shielding wire connection. For
specifi cations about the connecting cables, refer to the outdoor unit
installation manual.
Install a remote controller following the manual supplied with the
remote controller.
TB2
L1, L2, G
LINE VOLTAGE
TERMINAL
208/230V
CONTROL BOARD
TB5
M1, M2, S
INVERTER BOARD
Connect the "1" and "2" on the indoor unit TB15 to a MA remote
controller. (Non-polarized 2-wire)
Connect the "M1" and "M2" on indoor unit TB5 to an M-NET remote
controller. (Non-polarized 2-wire)
-DC 9 to 13 V between 1 and 2 (MA remote controller)
-DC 24 to 30 V between M1 and M2 (M-NET remote controller)
TB15
1, 2
21