Ionizer
The ionizer sits inside the unit and cannot be replaced
If cracking noises occur during operation, you should remove dust from the head (as
described in the picture) with a brush.
Particle sensor
For the air quality display, a sensor measures the particles in the room air. This sensor should
also be cleaned regularly.
To do this, open the side flap (Fig. 1) and carefully wipe the sensor clean with a cotton bud
8. Installation guidelines
For commercial use, the legal regulations of the respective country must be observed for the
installation and use of the HL 400 air purifier. In Germany, the following regulations, among
others,
must be observed:
Workplace Ordinance §§ 5 and 14
Workplace directive ASR 5
Accident prevention regulations VBG 43
Ordinance on Hazardous Substances from 01.01.2005
BGR 128 (Employer's Liability Insurance Association)
TRGS 519 (for work with asbestos)
(available from: German Information Center for Technical Rules (DITR) at DIN,
Burggrafenstraße 6, 10787 Berlin).
HEYLO does not accept any liability for damage which is caused by incorrect and irregular
installation and use of the air cleaner HL 400.
Ionizing head
Picture 1
Picture 2
20
Cotton swab
EN