Hitachi PC-ARF Technical Catalogue page 420

5 Centralised remote controls
PSC-A16RS
b. Set the intended indoor unit with the inconsecutive indoor unit address number.
Outdoor unit
Indoor unit
Remote
Control
Switch
Group 1 Group 2
Control Range of Nº 0
Centralised ON/OFF
Controller
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Case 2: Group Setting for Centralised ON/OFF Controller with group information of central
station (PSC-A64S)
Set up the centralised ON/OFF controller with the same group information of the central station (PSC-A64S). In this
case, the group information for Zone 1 of Central Station No. 0 is provided to the centralised ON/OFF controller.
C A U T I O N
• This function is available only when the central station (PSC-A64S) is used together in the same H-LINK (Control Line) system.
• When the central station is other than No. 0 and/or belongs to other than Zone 1, the group information of the central station is not
provided to the centralised ON/OFF controller.
• When the group setting is executed by this function, the former group information will be deleted.
1 Group Setting of Central Station
The group setting is performed for Zone 1 of the central station No. 0. Refer to the "Installation & Maintenance Manual" of
the central station for the procedures of group setting.
2 Group Setting of Centralised ON/OFF Controller
a. Depress the switches "1" and "16" simultaneously for 3 seconds in the state where all the operation lamp (LED) of
the centralised ON/OFF controller is OFF. Then, the operation lamp of Group 1 flickers, and the group setting is
started. If there is any group in operation (with the operation lamp ON), the group setting is not available. Stop all
the operation and perform the group setting again.
b. When the group setting is completed normally, all the operation lamp (LED) is turned ON for 3 seconds. If failed, all
the operation lamp flickers.
N O T E
In the case where the group setting fails to complete normally, check to ensure that the following items are satisfied and perform the group
setting by the centralised ON/OFF controller again.
• The central station is connected to the same H-LINK (Control Line) system where the centralised ON/OFF controller is connected.
• The power is distributed to the central station and the liquid crystal display is appeared.
• The address of the central station is No. 0 (DSW1-1 to 3 pin: OFF).
• The group setting is performed for Zone 1 of the central station No. 0 (main unit and slave unit).
C A U T I O N
• The remote control switch is required to control indoor units by the centralised ON/OFF controller.
• The remote control switch is required when other centralised controller is used together.
• The operation by the centralised ON/OFF controller is not available during the process of group setting.
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TCGB0106 rev.0 - 12/2014
Group 3
Control Range of Nº 1
Centralised ON/OFF
Controller
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.
Group 1 Group 2 Group 3
Control Range of Nº 2
Centralised ON/OFF
Controller
Nº 2 Central-
Nº 0 Central-
ised ON/OFF
ised ON/OFF
Controller
Controller