8
Hot Water Auxiliary Heater –
AIR1-NH WW
Installation and Operating Instructions
2. Install heating register pipe connections, see Fig. 12 (use counter-clockwise tightening method to avoid damage).
The upper pipe connection is the feed and the lower pipe connection is the return.
3. Fasten the frost protection sensor to the water return (outlet) with the metal cable tie (included in delivery) (see
Fig. 13).
4. Attach the frost protection sensor cable with the marked cable ties (see Fig. 14).
5. After installing the hot water auxiliary heater, adjust the settings in the commissioning assistant. For this purpose,
please refer to corresponding chapter in the installation and operating instructions for the respective AIR1 ventila-
tion unit.
NOTE
Fig .12
Fig .13
Fig .14
EN
