Helios AIR1-NH WW Notice De Montage Et D'entretien page 25

Installation and Operating Instructions
NOTE
Hot Water Auxiliary Heater – AIR1-NH WW
3. Connect the provided frost protection sensor to the frost sensor cable connection on the unit, see Fig. 17 (metal
cable tie and sensor included in hot water auxiliary heater delivery).
4. Attach the frost protection sensor cable with the marked cable ties (see Fig. 18).
5. Install the hot water auxiliary heater in the unit and mount the frost protection sensor to the water return with the
metal cable tie (see Fig. 19).
The ventilation valves must be removed before reattaching the panel.
The upper pipe connection is the return and the lower pipe connection is the feed.
Fig .18
10
EN
Fig .17
Fig .19