Share it:

[:en]

Automatic transfer controllers are ideal for coordinated control of redundant data center infrastructure equipment, such as multiple environmental units or pumps. When the controller detects an alarm in a working device, a standby device is activated and the alarm device is deactivated or operates as configured.

[:en]

Autochangeover controllers are ideal for coordinated control of systems with redundant data center infrastructure equipment, such as multiple environmental units or pumps. When the controller detects an alarm in an operating device, a standby device is enabled and the device in alarm is either disabled or left operating as configured.

[:]

[:en]

  • Automatic adjustment for up to eight cooling units.
  • LCD screen and terminal screen.
  • Liebert SiteScan Web.
  • Adjustable alarm delay before testing or after an alarm (up to 99 minutes).
  • The device in alarm mode can be selected to be deactivated (shutdown) or remain activated
    (continue to work) after the change.
  • High and low analog (temperature) alarm.
  • Proportionally controlled thermal staging of the units.
  • It overcomes the power outage.
  • Two Form C control relays activated by any digital or analog input.
  • Paging for up to four numbers.
  • Preconfigured modem.
  • Backup battery.
  • User interface via RS232 or modem connection.

 

BENEFITS

  • Ensures high cooling availability through automatic central control in the computer room.
  • Simplifies the switching operation between emergency and test units.
  • Balances system operating time to reduce cooling unit wear.
  • The user-friendly display makes programming easy.

 

 

liebert-controllers-brochure

[:en]

  • Autochanger for up to eight cooling units.
  • LCD interface and a terminal interface, as well as interface to.
  • Liebert SiteScan Web.
  • Adjustable alarm delay before control after alarm (up to 99 minutes).
  • Device in alarm can be selected to disable (shutdown) or remain enabled (continue running) after changeover.
  • High and low analog (temperature) alarms.
  • Analog controlled staging of devices (temperature staging of units).
  • Power failure override.
  • Two Form C control relays activated by any digital or analog input.
  • Paging for up to four numbers.
  • Preconfigured onboard modem.
  • Battery backup.
  • User interface via RS232 or modem connection.

 

BENEFITS

  • Ensures high availability of cooling through automatic centralized control of computer room critical equipment.
  • Simplifies emergency switching and unit testing.
  • Balances system runtime to reduce cooling unit wear and tear.
  • User-friendly interface makes it easy to program.

 

 

liebert-controllers-brochure

[:]

Summary Information

Manufacturer