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6 | © Danfoss | Energy Meters | 2020.11 

AN271156466186en-010201

Installation & User Guide 

 

SonoSensor 30

Battery

3,6V

24V AC/DC

3. Electrical wiring

3.1 Flow pulse cable connection

It is recommended to use copper wire cable with the cross-section 0.3 ... 0.5 mm2.  By means of tweezers 
remove a protective knoll from 1 sealant hole of electronic unit. Run the cable through the hole and 
anchor with clamp. Use two wire connection methods –connect to the terminals 18 and 19 as shown in 
the picture.

Terminal Nr.

Description

18

Volume pulse output (+)

19

Ground (-)

3.2 External power supply module 

(if used)

Terminal Nr.

Description

54

Mains supply 24 V AC/DC (bipolar) 

55

Mains supply 24 V AC/DC (bipolar)

3.3 Wiring SonoSensor 30 to energy calculator Infocal 9

SonoSensor 30 in return pipe

Infocal 9 terminal

SonoSensor 30 in return pipe

Infocal 9 terminal

18 (flow pulse)

52 (q2+)

18 (flow pulse)

10 (q1+)

19 (ground)

11 (q2-)

19 (ground)

11 (q1-)

Pulse output

 

Measured flow rate is converted into the volume pulses which are transferred through pulse output 
terminal. Pulse output class of flow output device: OD according to EN1434-2 + AC:2007. Maximum flow 
cable length from electronic box to energy calculator or pulse reading device is up to 100m.

Values of output pulses:

Nominal (permanent) flow rate qp

Pulse value, litres/pulse

0.6, 1.5, 2.5, 3.5 and 6.0

1

10, 15, 25, 40 and 60 

10

Summary of Contents for SonoSensor 30

Page 1: ...Installation User Guide SonoSensor 30 Ultrasonic flow meter for heating and cooling applications...

Page 2: ...2 Danfoss Energy Meters 2020 11 AN271156466186en 010201 Installation User Guide SonoSensor 30 Note To ensure latest version of declaration please visit danfoss com...

Page 3: ...reparation 4 2 2 Installation of flow sensor 4 2 3 Mounting of electronic unit 5 3 Electrical wiring 6 3 1 Flow pulse cable connection 6 3 2 External power supply module if used 6 3 3 Wiring SonoSenso...

Page 4: ...he flow sensor is installed in the supply or return pipe of the system The flow sensor must be installed so that the direction of flow corresponds to the direction of the arrow on the flow sensor Calm...

Page 5: ...ectronic unit Direct mounting on ultrasonic flow sensor housing turning every 90 C only when the temperature of the flow does not exceed 90 C a On the flow sensor with a thread connection Wall mountin...

Page 6: ...module if used Terminal Nr Description 54 Mains supply 24 V AC DC bipolar 55 Mains supply 24 V AC DC bipolar 3 3 Wiring SonoSensor 30 to energy calculator Infocal 9 SonoSensor 30 in return pipe Infoca...

Page 7: ...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 f...

Page 8: ...osal Battery AA cell Lithium thionyl chloride 620mg Lithium Approved deposit for lithium batteries PCBA with display and communication module Coppered epoxy laminate components soldered on PC TPE Elec...

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