joule HHH-AEHP-00001, Installation & Maintenance Manual

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Filling and Venting the Modul-AIR Unit
After you have set up all the accessories of your Modul-AIR system and have adjusted the ventilation
positions, you must fill and vent the central heating system.
The procedure to run the Purge function is as follows:
1. Fill and vent the central heating system in accordance with the operating instructions detailed in the
previous Filling & Venting section of this manual.
2. Turn on the Modul-AIR.
3. On the display, the procedure is as follows:
Tap the Settings icon in the main menu
Navigate to purge and press Start.
Wait a few minutes until the bar in the screen is completely
green.
4. Vent the central heating system with the manual-air vent on top of the Modul-AIR, on the integrated
instantaneous water heater and in the GC Module (if present).
5. Check the central heating system.
6. If necessary, top up the heating system again to the recommended pressure.