Hitachi PSC-A1T Technical Catalogue

2 In the case where there are multiple centralised ON/OFF controllers:
As there is no indoor unit set as the re-
frigerant cycle address 2, the group set-
ting is executed by the next centralised
ON/OFF controller
Outdoor unit
Indoor unit
Remote
Control
Switch
Nº 0 Central-
ised ON/OFF
Controller
Group 1 Group 2 Group 3 Group 4
Control Range of Nº 0 Central-
ised ON/OFF Controller
Control Range of Nº 1 Central-
ised ON/OFF Controller
Nº 1 Central-
ised ON/OFF
Controller
Group 1 Group 2 Group 3 Group 4
3 In the case where the indoor units in the same refrigerant cycle are controlled by different centralised ON/OFF con-
trollers:
As the indoor unit address number in the same refrigerant
cycle is inconsecutive, the group setting is executed by
the next centralised ON/OFF controller
Outdoor unit
Indoor unit
Remote
Control
Switch
Group 1 Group 2 Group 3 Group 4
Group 1 Group 2 Group 3 Group 4
Control Range of Nº 0 Central-
ised ON/OFF Controller
Control Range of Nº 1 Central-
ised ON/OFF Controller
Nº 0 Central-
ised ON/OFF
Controller
Nº 1 Central-
ised ON/OFF
Controller
4 In the case where there is any indoor unit not to control by the centralised ON/OFF controller. Exclude the intended
indoor unit from the setting target of group setting by the address setting of the centralised ON/OFF controller.
a. Set the intended indoor unit with the inconsecutive refrigerant cycle address number.
These indoor units are set as the setting target of
group setting by the centralised ON/OFF controller
Nº1 and the group setting is not available as there
is no centralised ON/OFF controller Nº1 exists.
Outdoor unit
Indoor unit
Remote
Control
Switch
Group 1 Group 2 Group 3
Nº 0 Central-
ised ON/OFF
Controller
Nº 2 Central-
ised ON/OFF
Controller
Group 1
Group 2 Group 3
Control Range of Nº 0
Centralised ON/OFF
Controller
Control Range of Nº 1
Centralised ON/OFF
Controller
Control Range of Nº 2
Centralised ON/OFF
Controller
5 Centralised remote controls
PSC-A16RS
TCGB0106 rev.0 - 12/2014
403
5

Hitachi PSC-A1T Specifications

General

Brand	Hitachi
Model	PSC-A1T
Category	Controller
Language	English