Operating instructions

Instruction SONO 1500 CT
4.0 Power supply
SONO 1500 CT can be powered from lithium battery (11 years life-
time) or from external voltage supply (standard).
Battery
3.0 V DC lithium battery with 11 years of battery lifetime is tted
in ow sensor. The battery is not to be charged, replaced or short-
circuited. Ambient temperatures below 35°C ensure the typical life
of the battery. A battery powered version of SONO 1500 CT allows
medium temperature up to 90°C.
External supply (e.g. via calculator)
- Power supply: 3.0 ... 5.5 VDC
- Power consumption < 100 mAh per year
- Pulse current < 10 mA
Caution
Used batteries must be disposed of at suitable waste collection
points.
Risk of explosion if battery is replaced by an incorrect type.
5.0 Connection diagram
Depending on SONO 1500 CT variant connect 4 color coded wires
as shown below:
External power supply 3.0 – 5.5V:
Battery operation:
Galvanically isolated useful pulse:
Danfoss District Energy VI.SH.K1.02 DEN-SMT/PL
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