Daikin RXQ8PY1 - Page 120

Test Operation SiEN34-705
114 General Information
( Set Cool / Heat for More Than One Outdoor Unit System Simultaneously in
Accordance with Unified Master Outdoor Unit by Cool / Heat Switching Remote Control
$ Install the external control adapter for outdoor unit on either the outdoor-outdoor, indoor-
outdoor transmission line.
$ Mount the COOL/HEAT selection remote control to the master outdoor unit for the unified
control.
$ Set the DS1-1 on the PC board of master outdoor unit to OUT
.
$ 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 BOTH (factory set) or C/H, and SS2 to
OFF (factory set).
Multi outdoor units connection
I-O O-O
A
B
CF1
F2 F1 F2
Q1
Q2
H3P
H4P
H5P
MODE
DEMAND
C/H SELECT
MASTER
IND
OUT
SLAVE
IN
C/H SELECT R.C.
C/H SELECT
OUT-MULTI
CN24
TEST
L.N.O.P.
To indoor unit
<Master unit>
C/H Select Remote
control
DS1-1
To indoor unit
I-O O-O
A
B
CF1
F2 F1 F2
Q1
Q2
H3P
H4P
H5P
MODE
DEMAND
C/H SELECT
MASTER
IND
OUT
SLAVE
IN
C/H SELECT R.C.
C/H SELECT
OUT-MULTI
TEST
L.N.O.P.
I-O O-O
A
B
CF1
F2 F1 F2
Q1
Q2
H3P
H4P
H5P
MODE
DEMAND
C/H SELECT
MASTER
IND
OUT
SLAVE
IN
C/H SELECT R.C.
C/H SELECT
OUT-MULTI
TEST
L.N.O.P.
MULTI
I-O O-O
A
B
CF1
F2 F1 F2
Q1
Q2
H3P
H4P
H5P
MODE
DEMAND
C/H SELECT
MASTER
IND
OUT
SLAVE
IN
C/H SELECT R.C.
C/H SELECT
OUT-MULTI
TEST
L.N.O.P.
MULTI
To indoor unit
External control adaptor for outdoor unit
SS2
Central
C/H
Selector
OFF
ON
BOTH
C/H
DE
FUNCTION
SS1
F1
F2
N
P
DS1
DS2
CENTRAL
NO
TERMINAL
ADDRESS
C/H
<Slave unit>