Curtiss-Wright | Tritex II AC 90, 115 Rev. X PN39892 7/12/22
and maintenance must be carried out by personnel who have the
necessary training and experience. They must read this safety
information and this manual carefully.
None of the functions or features of the Tritex actuator may be
used to ensure safety of personnel, i.e. they must not be used for
safety-related functions.
For example the actuators enable / disable, brake, stop/start and
forward/reverse functions are not sufficient for use in safety-critical
applications without additional independent channels of protection.
Careful consideration must be given to the functions of the actuator
which might result in a hazard, either through their intended behavior or
through incorrect operation due to a fault. In any application where a
malfunction of the actuator or its control system could lead to or allow
damage, loss or injury, a risk analysis must be carried out, and where
necessary, further measures taken to reduce the risk.- for example a
failsafe brake in case of loss of actuator braking power.
Never attempt to connect or disconnect the actuator
with power applied.
Dangerous voltages are present. Damage to equipment
and injury to personnel can result. Refer to the following warnings on
supply isolation and stored energy discharge time for more information.
Supply isolation
The AC supply or high voltage DC supply must be
removed from the actuator using an approved isolation
device or disconnect before any maintenance is performed except
adjustments to the settings or parameters as specified in the manual.
Risk of Electric Shock.
Allow 3 minutes for Discharge Time.
The actuator contains capacitors that remain charged to a
potentially lethal voltage for up to 3 minutes after the
supply has been removed. Do not touch power wiring or terminals until
this discharge time has expired.
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