Danfoss 40 User manual

www.danfoss.com

Installation guide

SonoMeter 40

Ultrasonic energy meter

for heating and cooling applications

2 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102

Date:

2021.09.22

Issued by Date:

2021.09.22

Approved by

Place of issue:

8811 Scheiﬂing

Austria

Signature:

Name: Norbert Spreitzer

Title: Product Portfolio Manager

Place of issue:

1210 Ljubljana,

Slovenia

Signature:

Name: Gasper Benedik

Title: Energy Meters Director

Danfoss only vouches for the correctness of the English version of this declaration. In the event of the declaration being translated into any other

language, the translator concerned shall be liable for the correctness of the translation

ID No: 014R2944

This doc. is managed by 500B0577

Revision No: 01 Page

EU DECLARATION OF CONFORMITY

Danfoss A/S

Danfoss Energy Metering

6430 Nordborg, Denmark | CVR nr.: 20 16 57 15 | Telephone: +45 7488 2222 | Fax: +45 7449 0949

declares under our sole responsibility that the

Product category: Energy Meters Type designation(s): SonoMeter 40

Covered by this declaration is in conformity with the following directive(s), standard(s) or other normative

document(s), provided that the product is used in accordance with our instructions.

[RED] – Radio Equipment Directive 2014/53/EU2

Article 3.1a (LVD)

EN 61010-1:2010+A1:2019

EN 62368-1:2014

EN 62311: 2008

Article 3.1b (EMC)

EN 301 489-3 V2.1.1

EN 301 489-1 V1.9.2

Article 3.2 (Radio)

EN 300 220-1 V3.1.1

EN 300 220-2 V3.1.1

[EMC] – Electromagnetic Compatibility Directive 2014/30/EU1

EN 55032:2015+A11:2020

[LVD] – Low Voltage Directive 2014/35/EU1, 3

EN 61010-1:2010+A1:2019

EN 62368-1:2014

EN 62311: 2008

[MID] – Measuring Instruments Directive 2014/32/EU

EN 1434-1:2015+A1:2018

EN 1434-2:2015+A1:2018

EN 1434-3:2015

EN 1434-4:2015+A1:20184

EN 1434-5:2015+A1:2019

EN 1434-6:2015+A1:2019

WELMEC 7.2:2015 - Software Guide

Noti�ied Body: Lithuanian Energy Institute, 1621, performed type approval and issued certi�icate LT-1621-MI004-047.

[RoHS] – Restriction of Hazardous Substances Directive 2011/65/EU+A:2015/863

EN IEC 63000:2018

1 For variants with Radio Module the declaration for EMC & LVD shall be ignored

2 For variants without Radio Module the declaration for RED shall be ignored.

3 For variants without Radio Module and without Mains power supply (24V AC/DC) the declaration for RED and LVD shall be ignored.

4 Not within MID – National Type Approval Certi�icate for cooling energy DE-21-M-PTB-0069 is issued by “Physikalisch-Technische Bundesanstalt”.

Installation guide SonoMeter 40

AN384648824392en-010102 © Danfoss | Energy Meters | 2021.10 | 3

Date:

2021.09.22

Issued by Date:

2021.09.22

Approved by

Place of issue:

8811 Scheiﬂing

Austria

Signature:

Name: Norbert Spreitzer

Title: Product Portfolio Manager

Place of issue:

1210 Ljubljana,

Slovenia

Signature:

Name: Gasper Benedik

Title: Energy Meters Director

Danfoss only vouches for the correctness of the English version of this declaration. In the event of the declaration being translated into any other

language, the translator concerned shall be liable for the correctness of the translation

ID No: 014R2944

This doc. is managed by 500B0577

Revision No: 01 Page

UK DECLARATION OF CONFORMITY

Danfoss A/S

Danfoss Energy Metering

6430 Nordborg, Denmark | CVR nr.: 20 16 57 15 | Telephone: +45 7488 2222 | Fax: +45 7449 0949

declares under our sole responsibility that the

Product category: Energy Meters Type designation(s): SonoMeter 40

Covered by this declaration is in conformity with the following directive(s), regulation(s), standard(s) or other

normative document(s), provided that the product is used in accordance with our instructions.

Radio Equipment Regulations 20172

Article 3.1a (LVD)

BS EN 61010-1:2010+A1:2019

BS EN 62368-1:2014

BS EN 62311:2008

Article 3.1b (EMC)

EN 301 489-3 V2.1.1

EN 301 489-1 V1.9.2

Article 3.2 (Radio)

EN 300 220-1 V3.1.1

EN 300 220-2 V3.1.1

Electromagnetic Compatibility Regulations 20161

BS EN 55032:2015+A11:2020

Electrical Equipment (Safety) Regulations 20161, 3

BS EN 61010-1:2010+A1:2019

BS EN 62368-1:2014

BS EN 62311:2008

The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012

(as amended)

BS EN IEC 63000:2018

Heat Metering and Billing Regulations 2014

Heat meter accuracy cl. 7.9:

Noti�ied Body: Lithuanian Energy Institute, 1621, performed type approval and issued certi�icate LT-1621-MI004-047.

1 For variants with Radio Module the declaration for EMC & LVD shall be ignored

2 For variants without Radio Module the declaration for RED shall be ignored.

3 For variants without Radio Module and without Mains power supply (24V AC/DC) the declaration for RED and LVD shall be ignored.

Installation guide SonoMeter 40

AN384648824392en-010102 © Danfoss | Energy Meters | 2021.10 | 4

Installation guide SonoMeter 40

1. Installation

1.1. Preparation

Only qualified personnel may install the equipment, following the requirements listed in this document.

More detailed instruction can be found on www.heating.danfoss.com.

Note! This product is approved for ambient temperature between 5-55° C, but to ensure optimal conditions for

battery it is recommended to install Calculator at max. 45° C. Avoid installation stress from pipes and fittings.

Flush the system.

1.2. Identification of installation: Return/Supply pipe installation and flow direction

Flow direction

Return pipe installation

Flow direction

Supply pipe installation

5 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102

Installation guide SonoMeter 40

1.3. Mounting of flow sensor

Pipe position: No limitations but avoid positions

where air can be collected.

Rotation in pipe axis: Flow sensor should be angled

in 45 to 315° to avoid air collection in flow sensor.

Inlet/outlet conditions (only for DN 65-DN 100)

In order to maximize performance it is necessary to have straight inlet and outlet flow conditions before

and after the flow sensor: 5 × DN on inlet and 3 × DN on outlet of flow sensor.

flow

5 x DN 3 x DN

1.4. Mounting and sealing of calculator

Heat meter calculator may be installed in heated premises, working ambient temperature shall

be not more than 55 °C. It may not be exposed to direct sunlight.

The calculator is mounted on an auxiliary holder (it can be oriented in the required direction at an angle of

each 90 °:

The possible ways of the mounting of the calculator (auxiliary holder):

- Direct mounting on the housing of the flow sensor, by turning each 90o (only when the flow temperature

does not exceed 90oC):

AN384648824392en-010102 © Danfoss | Energy Meters | 2021.10 | 6

Installation guide SonoMeter 40

- On the wall:

- Panel mounting on standard DIN-rail.

Important: It is prohibited to attach the electronic unit directly on the wall because there is a risk

that moisture may condense on the walls of the room or the temperature of the surface of the wall may

drop below 5 °C. In this case, it is recommended to mount the electronic unit so that to provide for an air

space of at least 5 cm between the unit and the wall surface.

Calculator seals

For design with permanently connected temperature sensors no additional sealing applies to the

electronic unit of a newly manufactured heat meter. Access to elements fixing the opening of the box,

configuration change activation contacts, and adjustment data change activation contacts is protected

by special easily breakable partitions.

a) b) c)

Access to elements fixing the opening of the box (a), configuration change activation contacts (b) and

adjustment data change activation contacts (c) (partitions easily breakable with a tool)

7 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102

Installation guide SonoMeter 40

After the opening of the box, change of the conﬁguration, or adjustment of the meter (when the special

partitions were broken out for this purpose), the opened slots must be additionally sealed with sticker

seals:

- the two slots marked LOCK for access to the elements ﬁxing the opening of the box are sealed with

test sticker seals (Fig. 4.1a),

-the slot marked SERVICE for access to the conﬁguration change activation contacts is sealed with

the supplier’s sticker seal (Fig. 4.1b),

-the slot marked ADJ for access to the adjustment data change activation contacts is sealed with the

supplier’s sticker seal (Fig. 4.1c).

For design with changeable temperature sensors (IP65 protection class of the calculator only!) the

inspection seals /adhesive seals protect the access to protective cap mounting bolt and to adjustment data

change activation contacts ADJ, if breakable partition is broken out.

The inspection seals /adhesive seals protect the access to protective cap mounting bolt (1) and to

adjusment data change activation contacts (2) , if breakable partition is broken out.

1.5. Mounting and sealing of temperature sensors

Seal

Installation recommendations for

ball valve mounting and sealing

Installation recommendations for

direct short temperature sensors

8 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102

Installation guide SonoMeter 40

Seal

Pocket

a) angled 45°

Seal

ocket

b) perpendicular

Installation recommendations for pocket temperature sensors with permanently connected signal leads.

2. Electrical wiring

2.1 Connection of a meter with permanently connected temperature sensors (IP 67/68)

The meter version with permanently connected temperature sensors is fully ready for installation,

complete with the necessary cables for connection (no need to open the meter).

If the meter is equipped with wired interfaces or a pulse input / output function, appropriate and marked

cables to connect the relevant external device are provided.

If the meter is intended to be powered by an external source of 230V AC or 24V AC / DC, the dedicated

and marked cable of the meter shall be connected to the appropriate source.

2.2 Connection of the meter with changeable temperature sensors (IP65)

If the meter is fully assembled (temperature sensors are connected, communication interface cables are

in place) - follow the installation procedure in p.5.3.1 (the meter does not need to be opened). Otherwise,

it is necessary to open the electronic unit box.

Opening of electronic unit box

Before opening the electronic box, make sure that the meter version is with changeable temperature

sensors:

Check!

IP65 = Openable Version (with exchangeable

temperature sensors)

IP67 = Not openable

IP68 = Not openable

9 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102

Installation guide SonoMeter 40

Wiring diagram 1

Design with changeable

temperature sensors, Mbus1

interface. Meter power supply from

a battery.

Wiring diagram 2

Design with changeable

temperature sensors, additional

interface module

(additional interface module

mounting bracket under the

module). Meter power supply from

a battery.

10 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102

Installation guide SonoMeter 40

Wiring diagram 3

Design with changeable

temperature sensors, LoRa interface

and 24V power supply module.

The 24V power supply module is

mounted on the battery holder and

connected to the B1 connector of

the meter.

A backup battery is connected to

the BAT connector of the module.

The 24V power cable is connected

to the“24V”terminals of the

module (connections are made

before mounting the module, as

the connectors and terminals are

on the other side of the module).

The LoRa interface module is

connected to the 24V power supply

module connector by an additional

connection cable.

Numbering of calculator terminals

Terminal N. Description

5, 6 High temperature sensor (T1)

7, 8 Low temperature sensor (T2)

50 Common terminal for 2nd additional pulse input/output (GND)

51 2nd additional pulse input/output (In/Out2)

(Volume output for TEST mode)

52 Common terminal for 1st additional pulse input/output (GND)

53 1st additional pulse input/output (In/Out1)

(Energy output for TEST mode)

24, 25 M-bus data lines (bipolar)

Numbering of M-bus communication module terminals

Terminal N. Description

24, 25 M-bus module (bipolar)

Numbering of MODBUS and BACnet communication module terminals

Terminal N. Description

60, 61 12-24 V DC power supply voltage for MODBUS and BACnet (bipolar)

90 MODBUS or BACnet Line +

91 MODBUS or BACnet Line -

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