Hitachi RCD-0.8FSN3 Installation And Operation Manual page 36

ELECTRICAL WIRING
8 Remote control switch connection
a. Installing remote control switch to each unit with
individual operation setting
Indoor unit
Outdoor unit
Remote
control
switch
b. Installing one remote control switch to multiple units for
individual operation setting
Indoor unit
Outdoor unit
Remote
control
switch
c. Simultaneous operation. The indoor unit is H-LINK II
model.
Indoor unit
Outdoor unit
Remote
control
switch
Set DSW6-1 OFF
N O T E
28 PMML0416A rev.0 - 12/2015 - P5415720
Indoor unit
Remote
control
switch
The transition wiring
Indoor unit
for the remote control
switch is required
Indoor unit
The simultaneous operation is
(*) available up to 4 indoor units.
(This connection is not
available for VRF
(SET-FREE System))
d. Connecting remote control switch in case of connecting
between refrigerant cycles.
Indoor unit Indoor unit
Outdoor
unit
Remote
Remote control switch
control switch
Individual
(Thermo ON/OFF individually)
N O T E
•
•
a
c
d
Indoor unit Indoor unit
Outdoor
unit
Individual
remote
control switch
Simultaneous