Helios AIR1-ULM Serie Montage- Und Betriebsvorschrift Seite 8

Installation and Operating Instructions
Recirculation module AIR1-ULM
– 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