Daikin VRV II-Q RQYQ8-48PY1B Service Manual page 89

SiBE341027
2.1.4 Cool / Heat Mode Selection
There are the following 5 cool/heat select modes.
Set cool/heat separately for each outdoor unit system by indoor unit remote controller.
Set cool/heat separately for each outdoor unit system by cool/heat selector.
Set cool/heat for more than one outdoor unit system simultaneously in accordance with unified master
outdoor unit by indoor unit remote controller.
Set cool/heat for more than one outdoor unit system simultaneously in accordance with unified master
outdoor unit by cool/heat select remote controller.
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.
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).
Test Operation
C/H SELECT
TEST
MODE
IND
MALFNC MASTER
C/H SELECT
OUT
Dip SW.
DS1-1
IN
C/H SELECTOR
Indoor unit Indoor unit
Remote Remote
controller
controller
Field Setting from Outdoor Unit
L.N.O.P. DEMAND
SLAVE
OUT-MULTI
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