Panasonic Urban Multi MX1R Series Service Manual page 109

Test Operation
1.9.2 Setting of Cool / Heat by Individual Outdoor Unit System by Cool/Heat Selector
„ Doesn't matter whether or not there is outdoor - outdoor unit wiring.
„ Set SS1 of the outdoor unit PC board to "OUT / D UNIT."
„ In setting mode 1, set cool/heat selection to "IND" (factory set).
88 Test Operation Urban Multi "MX1, ME1 Series" Using R-22
PACD011001C2