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Installation and Operating Instructions
CHAPTER 3
SERVICE AND
MAINTENANCE
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DANGER
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WARNING
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DANGER
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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.
3.1 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.
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Risk of personal injury and material damage!
Internal sheet metal parts have sharp edges and notches that can cause scratches/injuries during installation
and maintenance of the unit and/or accessories.
– The installation and maintenance of the unit may only be carried out by qualified specialist personnel.
– Suitable protective equipment must be worn.
The recirculation damper and actuating drive must be regularly checked for contamination every 6 months.
3.2 Standstill and disposal
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Danger to life due to electric shock!
When dismantling, live parts can be exposed, which can result in electric shock if touched. Before dismant-
ling, isolate the unit from the mains power supply and protect against being switching on again!
Parts and components of the unit, whose service life has expired, e.g. due to wear and tear, corrosion, mechanical
load, fatigue and/or other effects that cannot be directly discerned, must be disposed of expertly and properly after
dis-assembly in accordance with the national and international laws and regulations. The same also applies to auxiliary
materials in use. Such as oils and greases or other substances. The intended and unintended further use of worn parts,
e.g. impellers, rolling bearings, filters, etc. can result in danger to persons, the environment as well as machines and
systems. The corresponding operator guidelines applicable on-site must be observed and used.
Please think of the environment, you can make a significant contribution to the environmental protection by returning
batteries and accumulators!
Fig.6
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