Service manual

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Figure 1
Cautions when attaching or removing the board
When operating only the outdoor unit (cooling 55 Hz fixed mode) T
o
make
only the outdoor unit run in cooling mode, and apply a voltage of
220 ~
240
V AC to L and N on the terminal board and push the PUMP DOWN SWITCH
(SW1).
(Avoid operating the outdoor unit alone for long periods of time.)