Fail to Position

By using an optional reserve power pack, the CVA can be configured to perform four functions upon the loss of mains supply.

These are: -

Stay Put – Actuator remains in its current position

Open Limit – Actuator moves to the position set as the open limit

Close Limit – Actuator moves to the position set as the closed limit

Intermediate Position – Actuator moves to a pre-programmed position.

The reserve power pack consists of a number of “Super Capacitors” which can store enough energy to perform the functions listed above. The capacitors are re-charged every time the mains power is reinstated and this process takes less than one minute to complete.

Click here to view CVA Fail to Position video

Unlike rechargeable battery technology, Super Capacitors do not suffer from the ‘memory’ effect of being charged / discharged many times.