Hitachi PSC-A16RS Installations- Und Betriebshandbuch Seite 13

Examples of Group
”
a. In the case where the remote control switch is connected to each indoor unit.
Outdoor unit
Indoor unit
Remote
Control
Switch
Group 1
Control Range of Nº 0 Centralized ON/OFF Controller
b. In the case where there are multiple centralized ON/OFF controllers:
Outdoor unit
Indoor unit
Remote
Control
Switch
Group 1 Group 2
Control Range of Nº 0 Centralized
ON/OFF Controller
c. In the case where the indoor units in the same refrigerant cycle are controlled by different centralized ON/OFF controllers:
Outdoor unit
Indoor unit
Remote
Control
Switch
Group 1 Group 2
Control Range of Nº 0 Centralized
ON/OFF Controller
INSTALLATION AND OPERATION MANUAL
Group 2 Group 3 Group 4
Group 3 Group 4
Group 3 Group 4
Group 5 Group 6 Group 7
Group 1 Group 2 Group 3 Group 4
Control Range of Nº 1 Centralized
ON/OFF Controller
As the indoor unit address number in the same refrigerant cycle
is inconsecutive, the group setting is executed by the next
centralized ON/OFF controller
Group 1 Group 2 Group 3
Control Range of Nº 1 Centralized
ON/OFF Controller
The group setting is not available due
to the inconsecutive indoor unit address
number in the same refrigerant cycle.
Nº 0
Centralized
ON/OFF
Controller
As there is no indoor unit set as the refrigerant
cycle address 2, the group setting is executed
by the next centralized ON/OFF controller
Nº 0 Nº 1
Centralized Centralized
ON/OFF ON/OFF
Controller Controller
Nº 0 Nº 1
Centralized Centralized
ON/OFF ON/OFF
Group 4
Controller Controller
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