Specifications

SiBE18-821 Field Setting
Test Operation 143
3.2 Detail of Setting Mode
3.2.1 Cool / Heat Mode Switching
There are the following 4 cool/heat switching modes.
c
Set cool/heat separately for each outdoor unit system by indoor unit remote controller.
d
Set cool/heat separately for each outdoor unit system by cool/heat switching remote
controller.
e
Set cool/heat for more than one outdoor unit system simultaneously in accordance with
unified master outdoor unit by indoor unit remote controller.
f
Set cool/heat for more than one outdoor unit system simultaneously in accordance with
unified master outdoor unit by cool/heat switching remote controller.
c Set Cool / Heat Separately for Each Outdoor Unit System by Indoor Unit Remote Controller
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It does not matter whether or not there is outdoor - outdoor unit wiring.
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Set outdoor unit PC board DS1-1 to IN (factory set).

Set cool/heat switching to IND (individual) for “Setting mode 1” (factory set).