System Configuration; Features - Hitachi PSC-A32MN Operation Manual

2. System Configuration
This central station (PSC-A32MN) is connected to H-LINK and used for the central control and monitoring of
the air conditioners.
< Example >
Max. 8 Units in the same H-LINK are available.
Central Station
(PSC-A32MN)
Controlled by Central Station
(Remote Control Group)

3. Features

The following functions are available for the remote control switch which is registered to All Groups, Blocks or
each Block of the Air Conditioner unit.
(1) Run/Stop, Operation Mode, Fan Speed Control, Swing Louvre Direction Control, Temperature Setting,
and Permitting/Prohibiting Operation by Remote Control Switch
(2) Monitoring of Operating Conditions for Block/Groups
(3) Schedule Operation (Run/Stop and Temperature Setting) for Block/Groups
(4) Run/Stop, Emergency Stop and Demand Control by External Input
(5) Run and Alarm Output by External Output
(6) Control Exception Function of All Run/Stop Command for Selected Groups
(7) Control Exception Function of All Run/Stop Command for Selected Groups by External Input
(8) Indication and Calculation of Unit Accumulated Operation Time of Each Group
(9) Indication of Alarm History Record
(10) Registering Name of Blocks and Groups
(11) Registration and Indication of Service Contact Information
(12) Control Mode (Run/Stop Only) can be selected as follows:
• Normal Mode
• Control Mode of the main Run/Stop
(13) Press the Icon Guide Button to indicate a description of the Icons
NOTE:
Group: Remote Control Group
Block: Collective of Remote Control Groups
2
Max. 64 Refrigerant Cycles and Max. 160 Indoor Units are available.
Wiring for
Group
Remote Control
Switch
Without
Transition
Wiring
Central Station
(PSC-A32MN)
Transmission
Wiring (H-LINK or H-LINK II)
Remote Control
Switch Wiring
(For H-LINK II Only)
Group
With
Transition
Wiring
Outdoor Units
Remote Remote
Control Control
Group1 Group2
Block
H-LINK
Transmission
Wiring
Group Group
P5415644