Specifications

SiBE341027 Field Setting from Outdoor Unit
Test Operation 79
2.1.4 Cool / Heat Mode Selection
There are the following 5 cool/heat select 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 selector.
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 select remote controller.
g
Set cool/heat at all outdoor unit systems simultaneously for each outdoor unit external control adaptor for
outdoor unit by using the centralized remote controller.
c Set Cool / Heat Separately for Each Outdoor Unit System by Indoor Unit Remote Controller

It does not matter whether or not there is outdoor - outdoor unit wiring.

Set outdoor unit PCB DS1-1 to IN (factory setting).

Set C/H select to IND (individual) for “Setting mode 1” (factory setting).
MODE
C/H SELECT
IND SLAVE
L.N.O.P.
DEMAND
MASTER
TEST
MALFNC
OUT
C/H SELECT
Dip SW.
DS1-1
IN
C/H SELECTOR
OUT-MULTI
Indoor unit
Indoor unit
Remote
controller
Remote
controller