Videotec EXPT - Manual (Page 11)

EN - English - I
nstruc
tions manual
9
6 Installing and
assembling
h Only specialised personnel should be
allowed to install and assemble the device.
6.1 Assembly
6.1.1 Range of use
The EXPT pan & tilt is designed for use in a fixed
location, for surveillance of areas with class 1-21 or
class 2-22 potentially explosive atmospheres, using a
camera/lens installed inside the device by the user.
The EXPT pan & tilt has been built and certified
in compliance with ATEX directive 94/9/EC, with
the international IECEx standard, with the GOST-R
STANDARDS and Chinese standards, which define
its range of application and minimum safety
requirements.
The P&T for thermal imaging cameras have been
built and certified in compliance with ATEX directive
94/9/CE and with the GOST-R STANDARD, which
define the range of application and minimum safety
requirements.
6.1.2 Specification of maximum values
when installing cameras, including lens
h The installer should never use devices
that do not remain within the specified
maximum values.
• Maximum power - 20W
• Maximum voltage - 24Vac
• Usable volume for camera/lens: 2800cm3
• Minimum distance between the walls of the
housing and the camera/lens: 12mm
5 Preparing the product
for use
h Any change that is not expressly approved
by the manufacturer will invalidate both
the guarantee and certification.
5.1 Safety precautions before
use
g The following procedures should be carried
out with the power supply disconnected,
unless indicated otherwise. An appropriate
protection device should be installed in
the electrical equipment upstream of the
device.
o Never exceed performance specifications.
Do not replace the housing screws with
other kinds of screw. Make all connections
in a non-explosive atmosphere.
h The device must be installed only
and exclusively by qualified technical
personnel. Make connections and tests
in the laboratory before carrying out
installation on site. Use appropriate tools
for the purpose.
5.2 Contents and unpacking
When the product is delivered, make sure that the
package is intact and that there are no signs that it
has been dropped or scratched.
If there are obvious signs of damage, contact the
supplier immediately.
Keep the packaging in case you need to send the
product for repairs.
Check the contents to make sure they correspond
with the list of materials as below:
• 1 explosion-proof pan & tilt device
• 1 gasket kit
• 1 user’s handbook