Daikin VRV II RXYQ5MY1B Service Manual page 155

Field Setting
Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified
Master Outdoor Unit by Indoor Unit Remote Controller
Adapter for outside control of outdoor units
BOTH
FUNCTION
CENTRAL
C/H
NO.
<Master unit>
C/H SELECT
IND
C/H SELECT R.C.
To indoor unit
144
Install the outdoor unit external control adapter on either the outdoor-outdoor, indoor-
outdoor, or transmission line.
Set outdoor unit PC board DS1-1 to "Indoor" (factory set).
In setting mode 1, set the outdoor unit you want to give cool/heat selection permission to as
the group master, and set the other outdoor units as group slave units.
Set the outdoor unit external control adapter SS1 to Unified (factory set) or Cool, and SS2 to
No (factory set).
C/H SELECT
CENTRAL C/H IND
SELECTOR
OFF
ON
DE
C/H
C/H SELECT R.C.
TERMINAL
ADDRESS
To indoor unit
MASTER SLAVE
C/H SELECT
OUT-MULTI
Multi outdoor units connection
MASTER SLAVE
C/H SELECT
OUT-MULTI
<Slave unit>
C/H SELECT
IND MASTER
C/H SELECT
C/H SELECT R.C.
C/H SELECT
IND MASTER
C/H SELECT
C/H SELECT R.C.
To indoor unit
SLAVE
OUT-MULTI
SiE39-404
SLAVE
OUT-MULTI
Test Operation