Mitsubishi Electric BAC-HD150 Instruction Manual page 19

(2) System in which BAC-HD150 is connected to the expansion controller (PAC-YG50ECA)(system in which BAC-HD150
is not connected to the M-NET)
It is not necessary to connect the M-NET transmission line to the TB3 on BAC-HD150. Connect the power jumper as shown in
the figure below.
Refer to section 5-4. "Connecting the LAN cable" for how to connect PAC-YG50ECA.
BM ADAPTER
(BAC-HD150)
TB3
TB3
CN41
OFF
ON ON CN40 CN40
CAUTION • Leave the power jumper of BAC-HD150
connected to CN41 (Does not supply power at
factory setting).
Refer to the PAC-YG50ECA Installation/
Instructions Manual for where to connect the power
jumper of the expansion controllers and outdoor
units.
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