Helios AIR1 XH Serie Montage- Und Betriebsvorschrift Seite 92

Installation and Operating Instructions
EN
Central ventilation units AIR1 XH
Further information on the power supply connection of accessory components can be found in the installation and
operating instructions for the respective accessory component.
2�3�1 Power supply connection
Unit types: AIR1 XH 1000/1500/2500/3500
1. Open the terminal box cover.
2. Check the thickness of the cable to be used for power connection.
3. Loosen the marked grommet and insert the cables (see Fig.18).
4. Connect the cables to the marked terminals (see wiring diagram).
Unit types: AIR1 XH 4500/5500/7000/85000/8500
1. See section 2.3.2 for fixing the main switch
2. Check cable thickness used for the power supply connection.
3. Insert cable to marked main switch (Fig.20).
4. Connect cables to the terminals. Refer to wiring diagram for connections.
2�3�2 Fixing the main switch
The main switch must be fixed as follows for units AIR1 XH 4500-8500:
1. Determine service side of unit.
2. Fix main switch to the panel, which is suitable for unit access, with the screw M4x10 (see Fig.21).
Fig�19
Fig�20
13
Fig�18
Fig�21