Construction
E - 20
Fuse(F3, 0.5A)
Indoor unit board
2P connector (brown)
EMG, CN44
to terminal board
2P connector (blue)
OC, CN40
*1 Not counted as branch if less than 1m.
*2 The length of cable between branch point and branch point shall be 2m or greater.
Branch
*1
*2
Outdoor unit
Indoor unit
Indoor unit Indoor unit Indoor unit Indoor unit
Indoor unit
Indoor unit
Outdoor unit Outdoor unit
1m
or more
1m
or more
1m
or more
16 locations
or fewer
If the cable is branched, it should be done at 16 or fewer locations. (branches within 1m are not counted)
Check that the terminal board for the indoor/outdoor operation cable and terminal board for the remote control
cable are not connected to 230V AC.
❋ If they are mistakenly connected to 230V AC then the fuse on the indoor unit board (F3, 0.5A) will blow
in order to protect the board. After the cabling has been amended, remove the 2P connector (blue, OC,
CN40) connected to the board, and replace it with a 2P connector (brown, EMG, CN44).
This
operation must be done after first turning the power OFF
❋ If the remote control cabling is mistakenly connected to 230V AC then the indoor unit board will be
damaged.
■Group Control
A maximum of 8 indoor units can be connected to one remote control.
Note 1) Use the indoor unit sensor (body sensor) for control. When shipped from the factory the indoor
unit sensor is set, so no operations are required.
3. Points regarding electrical construction (indoor unit)
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