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Hitachi in India

Network Systems|Interface

Interface

You can select the air conditioner control interface depending on your needs to create a comfortable space.

HC-A64BNP1 (for BACnet )

variable-fan-odu

Connecting the HC-A64BNP1 to an H-LINK (communication line between machines) allows control of up to 64 indoor units. Up to eight HC-A64BNP1 can be connected to the same H-LINK.

Connection Method to Upper System Connection by IEEE802.3 Compliance (100BASE-TX/10BASE-T) to BACnet Network
Quantity of Connection Up to 64 Indoor Units per BACnet Adaptor
Control Item at Upper System
  • RUN/STOP
  • Operation Mode Setting
  • Temperature Setting
  • Fan Speed Setting
  • Available / Not Available for Operation by
  • Remote control Switch
  • Filter Sign Reset
Monitoring Item at Upper System
  • RUN/STOP State Notification
  • Alarm Signal Notification
  • Operation Mode State Notification
  • Fan Speed State Notification
  • Indoor Suction Temperature Notification
  • Alarm Code Notification
  • Communication Abnormality Notification
  • Filter Sign

 

HC-A (8/64) MB (for MODBUS )

variable-fan-odu

 

Connecting the HC-A8/64MB to an H-LINK (communication line between machines) allows control of up to 8/64 indoor units.

Connection Method to Upper System Connection by RS485 to MODBUS® Network
Quantity of Connection Up to 8/64 Indoor Units
Control Item at Upper System
  • RUN/STOP
  • Operation Mode Setting
  • Remote Control Switch
  • Temperature Setting
  • Fan Speed Setting
  • Available/Not Available for Operation by
  • Remote Control Switch
  • Louver setting
Monitoring Item at Upper System
  • RUN/STOP State Notification
  • Operation Mode State Notification
  • Fan Speed State Notification
  • Lower State Notification
  • Alarm Code Notification
  • Indoor Suction Temperature Notification
  • Indoor Discharge Temperature Notification
  • Indoor Liquid Pipe Temperature Notification
  • Indoor Gas Pipe Temperature Notification
  • Compressor Stop Cause Code Notification

 

HARC-BX (for LONWORKS )

variable-fan-odu

 

A HARC-BX can connect to multiple H-LINK with H-LINK transmission terminal to 8 PCB.

Points for control and monitor have been increased to meet more points. (Points for control and monitor is 8 times larger than HARC70P-1.)

You can select the number of controls, monitor, and what to control in the indoor unit from three choices (Standard, Option A and Option B) as needed.

HARC-BX E (Standard)

Connection Method to Upper System Connection by SNVT (Standard Network Variable Type) to LONWORKS Network
Quantity of Connection 64 Indoor Units
Control Item at Upper System
  • On/Off Order
  • Operation Mode Setting
  • Temperature Setting
  • Individual Thermostat State

HARC-BX E (Option A)

Connection Method to Upper System Connection by SNVT (Standard Network Variable Type) to LONWORKS Network
Quantity of Connection 64 Indoor Units
Control Item at Upper System
  • On/Off Order
  • Operation Mode Setting
  • Temperature Setting
  • All On/Off Order
  • Fan Speed Setting
  • R.C Permission/Prohibition
Monitoring Item at Upper System
  • On/Off State and Alarm
  • Inlet Air Temperature

HARC-BX E (Option B)

Connection Method to Upper System Connection by SNVT (Standard Network Variable Type) to LONWORKS Network
Quantity of Connection 32 Indoor Units
Control Item at Upper System
  • On/Off Order
  • Operation Mode Setting
  • Temperature Setting
  • Fan Speed Setting
  • R.C Permission/Prohibition
  • All On/Off Order
  • Louver Position Setting
Monitoring Item at Upper System
  • On/Off State and Alarm
  • Operation Mode State
  • Fan Speed Setting
  • Temperature Setting
  • Louver Position
  • Alarm Code
  • Inlet Air Temperature
  • Outlet Air Temperature
  • Outdoor Air Temperature