Name: Danfoss VLT HVACDrive
Brand: Danfoss
Rating: 4 (1 reviews)

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[Hand On]

enables control of the adjustable frequency drive via the GLCP. [Hand On] also starts the motor, and it is now possible to enter the motor speed data by

means of the arrow keys. The key can be selected as Enable [1] or Disable [0] via par. 0-40

[Hand on] Key on LCP

The following control signals will still be active when [Hand On] is activated:

• [Hand On] - [Off] - [Auto on]

• Reset

• Coasting stop inverse

• Reversing

• Set-up select lsb - Set-up select msb

• Stop command from serial communication

•Quick stop

•DC brake

NOTE!

External stop signals activated by means of control signals or a serial bus will override a “start” command via the LCP.

[Off]

stops the connected motor. The key can be selected as Enable [1] or Disable [0] via par. 0-41

[Off] Key on LCP

. If no external stop function is selected

and the [Off] key is inactive the motor can only be stopped by disconnecting the line power supply.

[Auto on]

enables the adjustable frequency drive to be controlled via the control terminals and/or serial communication. When a start signal is applied on the control

terminals and/or the bus, the adjustable frequency drive will start. The key can be selected as Enable [1] or Disable [0] via par. 0-42

[Auto on] Key on

LCP

NOTE!

An active HAND-OFF-AUTO signal via the digital inputs has higher priority than the control keys [Hand on] – [Auto on].

[Reset]

is used for resetting the adjustable frequency drive after an alarm (trip). It can be selected as

Enable

[1] or

Disable

[0] via par. 0-43

[Reset] Key on