Switching On; Before Powering The Product In An Explosive Atmosphere - Stahl EC-940-PTZ-HF Série Manuel D'instructions

9 Switching on

The automatic pre-heating (De-Ice) process
could be started whenever the device is
switched on and the ambient temperature
is below 0°C (+32°F). The procedure is
necessary to guarantee correct operation
of the devices even at low temperatures.
The duration ranges depending on
environmental conditions (from 60 minutes
up to 120 minutes).
The unit is switched on by connecting the power
supply.
To switch off the unit disconnect the power.
24
9.1 Before powering the product
in an explosive atmosphere
Make sure that the unit and other
components of the installation are closed
so that it is impossible to come into contact
with live parts.
Make sure that the connection
compartment cap is properly and tightly
closed.
Make sure (if present) that the sealing of
the seal fitting is properly carried out and
that the sealing compound is completely
cured and hardened.
Make sure that the device has been
connected to an earth link as described.
Make sure that all parts are fastened down
firmly and safely.
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