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© Danfoss | Energy Meters | 2020.11 | 7
Installation & User Guide
SonoSensor 30
4. Commissioning
4.1 Bleeding
1. Bleed the system until the flow rate display is steady.
2. Make sure no error codes are displayed.
3. Check the display for a plausible indication of flow rate and temperatures.
4.2 Electronic unit sealing
1: Manufacturer adhesive seal sticker on the access to the adjustment activation jumper - verification seal.
2: Manufacturer adhesive seal sticker on the cover protecting electronic module - manufacturer security seal.
3: Mounting seal after installation
5. Power supply
SonoSensor 30 can be powered from lithium battery (12 years life time) or from external supply.
Battery
3,6V, 2,4Ah lithium battery with 12 years of battery lifetime is fitted in flow sensor. The battery is not to be
charged, replaced or short-circuited. Ambient temperatures below 55°C ensure the typical life of the
battery.
External supply
- power supply: 12V…42V DC or 12C…36V
- pulse current: 10mA
Caution
Used batteries must be disposed of at suitable waste collection points. There is risk of explosion if
replaced battery is incorrect type.
