Stahl EC-910-AFZ, Инструкция по эксплуатации

Страница: 11 / 214

Instruc
tion manual - English - EN
9 MNTCMMX_2040_EN
4.2 Range of use
The unit is designed for use in a fixed location, for
surveillance of areas classified as zone 1-21 and zone
2-22 with potentially explosive atmospheres.
The unit has been built and certified in compliance
with directive 2014/34/UE and with the international
standards IECEX, which define its range of application
and minimum safety requirements.
4.3 Specific use conditions
The external surface of the product must never be
covered by more than 5 mm of dust.
To avoid accumulation of electrostatic loads during
cleaning, the device must be cleaned using a damp
cloth.
The cameras to be installed shall not be
electromagnetic or contain lasers, continuous wave
sources or ultrasonic energy radiating equipment.
The cameras to be installed shall not contain cells or
batteries.
The cameras must have basic geometric shapes.
Ambient temperature and surface temperature - see
the instructions.
Contact the manufacturer for information on the
dimensions of the flameproof joint.
4.4 Gas Group, Dust Group and
Temperatures
The device is certified for group IIB (Gas) and group
IIIC (Dust).
Ambient temperature: -40°C/+65°C or +70°C.
TEMPERATURE CLASS
MAXIMUM AMBIENT
TEMPERATURE
T6 / T85°C +65°C
T5 / T100°C +70°C
Tab. 1
4.5 Cable entry
All cable glands shall be Ex certified, as appropriate,
with protection type "db" and "tb", suitable for the
conditions of use and installed correctly.
When conduit is used, a suitable Ex certified stopping
box shall be used, as appropriate, with protection
type "db" and "tb", suitable for the conditions of use
and installed correctly.
The stopping box must be fitted within 50mm
(1.97in) from the enclosure entry.
The cable entry temperatures are specified in the
marking.
To maintain the IP level of product use cable glands
with appropriate IP level and apply to threads a
sealant compliant with standard IEC/EN60079-14.