OPERATING AND INSTALLATION INSTRUCTIONS LG 250 A
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Local requirements in terms of standards,
laws and directives, must be taken into
account .
The central air conditioners with heat
recovery should not be installed in
comparably sized rooms, apartments
or facilities with room air dependent
heating apparatus unless:
• safety systems are in place to prevent
simultaneous operation of room air
dependent heating apparatus and units
extracting air, or
• special safety systems will monitor
waste gas extraction of a heating appa-
ratus dependent on room air. Heating
apparatus running on liquid or gaseous
fuels and drawing in room air, or air
conditioning systems, must switch off
should a safety system trigger. The air
conditioning system must switch off
should the safety system trigger in case
of solid fuel heating apparatus drawing
in room air.
Central air conditioning equipment for
controlled ventilation and extraction of air
in an apartment or similar facility shall
not be installed if the facility has room air
dependent heating apparatus connected
to waste gas units with multiple infeeds.
For normal operation of central air
conditioning systems, it must be possi-
ble to close any ducts for combustion
air or waste gas systems from heating
apparatus dependent on room air. Shut-
off systems for waste gas from solid fuel
heating apparatus must be manual. The
position of the operating lever must indi-
cate the status of the shut-off device. This
is deemed complied with if a shut-off sys-
tem is used to block soot (soot shut-off).
Fire protection requirements
The regional regulatory provisions, espe-
cially the fire protection regulations for
air conditioning of buildings, as amended,
must be taken into consideration when
installing the air conditioning system in
accordance with the instructions for fire
protection.
Due to their heavy burden and irregular
operation, extract air from any kitchen
extractor hoods that may be present
must not be integrated into the dwelling's
air-conditioning system. Extract air from
such extractor hoods must be conducted
separately to the roof by means of an
exhaust air pipe. The supply air must be
provided separately (e.g. by means of
ventilation windows).
Where an extractor hood is operated with
no separate supply of air, the air volumes
in the home will no longer be balanced,
and it will no longer be possible to ensure
the proper function of the home venti-
lation system (odour extraction, etc.).
Another option is to operate the extractor
hood in recirculation mode.
The LG 250 A compact ventilation unit has
been developed and manufactured for
controlled mechanical ventilation and de-
aeration of spaces with purposes similar,
for example, to seminar rooms and small
offices.
For proper operation of the central air
conditioning systems, it must be possible
to close any ducts for combustion air and
flue gas systems of fireplaces drawing in
room air.
Any other use shall be deemed improper
use and may result in personal injury or
damage to the LG 250 A compact venti-
lation unit, for which the manufacturer
cannot be held liable.
The manufacturer accepts no responsi-
bility for any damages due to:
• Non-observance of the Safety,
Operating and Servicing notes in this
Operating and Installation Manual.
• Fitting of replacement parts which
were not provided by the manufacturer,
in which case responsibility for the use
of such parts shall lie solely with the
equipment fitter/installer.
• Normal wear and tear.
LIABILITY
STIPULATIONS FOR OPERATION WITH
FIREPLACES
STIPULATIONS FOR OPERATION WITH
EXTRACTOR HOODS
