PACD011001C2 Test Operation
Test Operation UM Combination “MA1R Series” Using R-407C 465
1.5.2 Setting of Cool / Heat by Individual Outdoor Unit System by Cool/Heat Selector
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Doesn’t matter whether or not there is outdoor - outdoor unit wiring.
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Set SS1 of the outdoor unit PC board to “OUT / D UNIT.”
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In setting mode 1, set cool/heat selection to “IND” (factory set).