INsTALLATIoN
Appliance description
2.3
Operation of the appliance in buildings with
combustion equipment
If the building contains combustion equipment (tiled stoves, fire-
places, etc.), the responsible flue gas inspector must be consulted
at the design stage. The flue gas inspector assesses whether all
statutory regulations are observed. Here, a differentiation is made
between room sealed and open flue combustion equipment.
For simultaneous operation of combustion equipment and a me-
chanical ventilation system, we recommend choosing approved
room sealed combustion equipment (in Germany, with DIBt ap-
proval).
2.3.1 Room sealed combustion equipment
In conjunction with room sealed combustion equipment, no addi-
tional precautions are generally required. Assessment is carried
out by the flue gas inspector.
2.3.2 Open flue combustion equipment
WARNING INJURY
!
If open flue combustion equipment is operated with the
mechanical ventilation system, tested safety equipment
must be installed. The combustion equipment must also
have a separate combustion air supply.
With open flue combustion equipment, a differentiation must be
made between alternate and simultaneous operation of the ven-
tilation system and combustion equipment.
Alternate operation
Alternate operation means that, when the combustion equipment
is commissioned, the mechanical ventilation system is switched
off and/or cannot be started.
Simultaneous operation
WARNING INJURY
!
To prevent any flue gas escaping into the installation
room, it is necessary to ensure that sufficient combustion
air is supplied or that the negative pressure in rooms
where the stove/fireplace is installed is not greater
than 4 Pa. Tested safety equipment must be installed
to monitor the chimney draught (differential pressure
monitoring) and to switch off the ventilation unit in the
event of a fault.
f Install the safety equipment in such a way that it interrupts
the appliance power supply when required.
The equipment for differential pressure monitoring should fulfil
the following requirements:
- Monitoring of the differential pressure between the connec-
tion piece to the chimney and the combustion equipment
installation room
- Possibility of matching the shutdown value for the differential
pressure to the minimum draught requirement for the com-
bustion equipment
- Floating contact to switch off the ventilation function
22
| LWE 40
- Optional connection of a temperature capturing device so
that differential pressure monitoring is only enabled when
the combustion equipment is in operation and so that un-
wanted shutdowns due to environmental influences can be
prevented
Note
Differential pressure switches that use the pressure dif-
ferential between the outdoor air pressure and the pres-
sure in the combustion equipment installation room as a
response criterion are not suitable.
3.
Appliance description
3.1
Standard delivery
- Wall mount casing
3.2
Accessories
- Control sets : Programming unit , Control unit , Flush box ,
Power supply unit subject to the number of appliances
- Internal panel
- Internal sound insulation panel
- External panel
- External sound insulation panel
- Filter mat set ISO Coarse > 30 % (G2)
- Filter mat set ISO Coarse > 60 % (G4)
- Filter mat set ePM
≥ 50 % (M5)
10
- Filter mat set ePM
≥ 50 % (F7)
1
- Time switch
- Humidity sensor
- CO
sensor
2
- Reveal duct
- Air duct
4.
Preparation
4.1
Transport
Material losses
Heavy impacts may impair functionality and damage the
appliance.
f Always store and transport the appliance in its de-
livery packaging.
f Store the appliance in a dry place protected against
vibrations.
Material losses
Leave the appliance in its protective packaging until
shortly before installation.
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