Service And Maintenance - Helios AIR1-ULM Serie Montage- Und Betriebsvorschrift

Installation and Operating Instructions
CHAPTER 3
SERVICE AND
MAINTENANCE
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WARNING
Recirculation module AIR1-ULM
5. Mechanically connect the recirculation module with the two modules of the AIR1 RH ventilation unit, see Fig. 6.
6. After installation of the recirculation module, adjust the settings in the commissioning assistant. In this respect,
observe the corresponding chapter in the installation and operating instructions for the respective AIR1 ventilation
unit.
3.0

Service and maintenance

Cleaning and maintenance work may only be carried out by an electrician.
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Danger to life!
The AIR1 unit must be fully isolated from the mains power supply before all maintenance and installation work!
Danger of electric shock, moving parts.
The recirculation damper and actuating drive must be regularly checked for contamination every 6 months.
Fig.6
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