Marking
The product has the following ATEX marking:
EPS 18 ATEX 2 052 U II 2G Ex h IIB Gb
II 2D Ex h IIIC Db
INSTALLATION INFORMATION
The devices have been designed for use in areas subject to
explosion hazards.
These devices are not suitable for use in non-approved Ex zo-
nes. The operating safety of the devices is only guaranteed
when used in accordance with their designated use.
Installation Instructions
- Current laws and regulations must be adhered to.
- Avoid any dust deposit on the module.
- Avoid electrostatic charges, only clean the device with a
moist cloth.
Designated use
The long range nozzles shall not be used in air polluted by
dust; in dust explosion zones, the long range nozzles must be
cleaned on a regular basis.
The components have been designed for use in ventilation
systems in areas subject to explosion hazards according to
the ATEX marking "Device group II, Zones 1, 2 and 21, 22.
Information on installation and commissioning:
It must be ensured that all metal components are properly
and permanently connected to the ground potential.
For nozzles with RAL coating, it must be ensured that proces-
ses generating high loads are excluded.
Disposal
The devices have been prepared in accordance with the RoHS
directive restricting the use of certain hazardous substances
in electrical and electronic equipment (2002/95/EC).
Type of ignition protection
The type of ignition protection of the long throw nozzle is gu-
aranteed by its safe design.
Quality reliability
The SCHAKO production facilities are certified according to
the QM procedure EN ISO 9001.
DANGER DUE TO IMPERMISSIBLE USE
The long range nozzles shall not be used:
- in non-approved explosion zones
- in aggressive air
- outdoor without an adequate protection against weather
effects
- in case of modifications made to the long throw nozzle
- in fields of application not specified in the documentation
EQUIPOTENTIAL BONDING
The long throw nozzle must be connected by a skilled electri-
cian to the local potential bonding.
MAINTENANCE AND SERVICE
Assembly and maintenance instructions
Prior to being installed in the ventilation system, the long
throw nozzle WDAEX must be checked for damage. Damaged
fire dampers must not be installed. The device may only be
used in accordance with its designated use in air ventilation
systems. Use only approved fastening material for mounting.
No additional parts must be fastened to the diffuser. The long
throw nozzle must be connected to the ventilation duct net-
work in electrically conducting manner. In order to avoid ha-
zards due to electrostatic charges, the WDAEX must be
connected to the grounding connection provided for this pur-
pose. Make sure that the ventilation systems are not subjec-
ted to any anomalous operating conditions, such as vibrati-
ons, pressure surges or high proportions of solids in the me-
dium. If required, the electrical connection diagrams can be
found in the respective SCHAKO additional information.
Electrical wiring and commissioning work must be performed
by skilled personnel only.
Information regarding maintenance and inspection
Proper maintenance increases operational safety and the ser-
vice life of the device. This is why the devices should be sub-
jected to regular inspection. If inspection dates are prescribed
by law, they must be complied with. The operating personnel
must be informed, prior to starting maintenance and inspec-
tion work. The personal safety measures must be looked up
in the safety data sheet. Hazard caused by contact or inhaling
hazardous substances must be excluded by taking appropri-
ate safety measures.
Prior to maintenance or inspection, all system components
up- and downstream of the device must be switched off and
secured against being switched on again.
The following maintenance and inspection criteria
must be observed:
- The air diffusers must be cleaned as required or at the defi-
ned cleaning intervals. There must be no dust deposits on
the air diffusers.
- Visual inspection of the device
- Check the fastening of the device
- Check the grounding connection for tight fit and good
contact
- Functional check
- For additional inspections, please refer to the technical
documentation or additional maintenance instructions
