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Installation and Operating Instructions
EN
m
DANGER
Recirculation module AIR1-ULM
Risk of injury due to electric shock, moving parts!
The unit must be fully isolated from the mains power supply before all maintenance and installation work and
opening the AIR1 ventilation unit! The electrical connections must be carried out in accordance with the fol-
lowing wiring diagrams and must only be carried out by qualified electricians. The electrical connection must
be fully isolated until the final assembly!
– Ensure that the multi-leaf damper (optional) has been properly installed before installing the recirculation module.
1. Apply sealing tape to the recirculation damper surface where the recirculation module is mounted to the ventilation
unit, see Fig.2.
2. Position the recirculation module between the two modules of the AIR1 RH ventilation unit and push these close
together, see Fig.3.
3. In order to reconnect the two modules of the AIR1 RH ventilation unit, pull a sufficient length of the cable from the
cable duct and fasten with cable ties (there is a sufficient cable length in the cable duct. Carefully pull the cable) and
connect the plug-in contacts, see Fig.4.
4. Establish the electrical connection of the recirculation module using the plug, see Fig.5.
Fig.3
Fig.5
3
Fig.2
Fig.4
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