19
A.
Ex ANNEX – Controlled ATEX Document
Title:
Series X (XF, XP & XT) flame proof camera units – Installation & Maintenance Instructions
Document:
IMI +70 – XF – XP – XT
Revision:
9.0
Date:
13/07/2020
This is a certified Annex and must not be changed without authorization
Specific Conditions for Safe Use.
1.
No modification must be made to the flame paths of the unit without consultation of the
drawings listed on the schedule.
2.
Temperatures could exceed 70°C at the cable gland or 80°C at the branching point, suitably
rated cable must be selected.
3.
Use only hex socket head fasteners with property class of A4-70 for securing end covers &
shafts to housings.
4.
When fitted, the optical fiber output from the camera must always be terminated within a
suitably certified enclosures or safe area.
5.
Only armored cable or conduit is to be utilized when fitted with a fiber optic output in order
to protect the fiber optic cable.
6.
Precautions must be taken to avoid dust from forming layers on the equipment.
7.
Antennas used with the equipment shall be
passive with nominal impedance of 50Ω and have a
minimum degree of protection IP6X. If the antenna utilizes a wire conductor the minimum
diameter shall be 0.1mm. Alternatively if a track antenna is used, the tracking shall have a
minimum width of 0.4mm
8.
The antenna circuit does not meet the dielectric strength requirements of Clause 6.3.13. Refer
to manufacturers’ instruction manual for further details.
9.
Dual Imager Housing variants only: Housings must only be installed in areas where there is a
low risk of mechanical impact.
