Manual and data sheet for
ENA3 UCM Control
ENA3 UCM Control Manual Version 1.3
Date: 21.04.2017 page 3 of 12
Variotech GmbH, Gewerbeweg 5, 2230 Gänserndorf, Tel +43 2282 60310, https://variotech.com
General:
The safety control ENA3 is destined for use in safety circuits by a lift.
It consists of a fail-safe control module and proper sensors or magnetic switches. With an open safety
circuit ENA3 performs a self-test every 20th drive. A new drive is not allowed until the end of this test.
(see document ENA3 self test-timing)
The activation of the brake actuators and a control input to verify the correct operation of the actuators
are implemented in the control module.
The (brake) actuators themselves are not part of this safety control or the description but must be
installed on-site at the lift.
Those stopping brake actuators can be used, which have been examined in accordance with the
requirements of EN81-20 and are able to stop the lift within the required distance.
These include examined traction sheave brake, safety gears in combination with an overspeed
governor rope brakes, guide rail brakes and safety valves that an EN81-20/50 type examination have
been subjected.
The software in the safety control is factory tested and sealed and can not be modified or changed in
any way.
Legend:
Particularly important information in the manual are identified as follows:
DANGER! + WARNING!
This notice must be strictly observed. The sign warns of imminent danger,
which can cause serious injury and death.
ATTENTION!
This note indicates attention to a hazard and informs of appropriate precautions
to prevent minor injuries and property damages.
IMPORTANT! - INFO!
This note presents situations that can lead to damage of equipment or facilities,
and provides tips for proper application and also provides information on key
passages and other special features.
Safety guidelines:
The safety instructions are an important part of the operating manual.
In consequence of non-compliance of the instructions, all warranty claims and
warranties, as well as potential liability claims are lost. Moreover all regulations
on accident prevention for lifts must be observed. All local rules must be taken
into account to prevent damage due to improper handling with voltages and
currents. Especially concerning protection measure and correct earthing.
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