Danfoss Link DBR User manual

Danfoss Heating

Danfoss Link™ Dynamic Boiler Relay

Installation Guide

2VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR

Danfoss can accept no responsibility for possible errors in catalogues, brochures, and other printed

material. All trademarks in this material are property of the respective companies. Danfoss and the

Hearby, Danfoss A/S declares that the radio equipment type Danfoss Link DBR is in compliance

with directive 2014/53/EU.

The full text of the EU declaration of conformity is available at the following internet address, http://

heating.danfoss.co.uk

VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR Installation Guide Danfoss Link™ DBR

Introduction.................................................. 4

Installation ................................................... 4

Installation in application with bypass valve using AVDO....... 5

Mounting .................................................... 6

Wiring ....................................................... 7

Adding the device............................................ 7

Congure Danfoss Link™ DBR .................................8

Congure the DBR Operation Mode...........................9

Congure the DBR Settings ..................................10

Perform network test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Factory reset ................................................ 11

Status indicator.............................................. 11

Technical specications...................................... 12

Disposal instructions ........................................ 12

Table of Contents

Important information

For safety reasons the heating system must have a bypass

function. This is either built into the boiler or it must be

installed in the system.

Demount other heating control timers in the installation or

they will interfere with the Danfoss Link™ heating control

algorithm. If weather compensation is present it should be set

to constant comfort.

Electric heating devices are not supported.

4VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR

The Danfoss Link™ Dynamic Boiler Relay (DBR) is an electronic

device for turning gas and oil boilers ON/OFF depending on

heat demand.

The Danfoss Link™ DBR must in applications with bypass valve

such as AVDO, be installed in combination with the ESM-11

temperature sensor (included inside the box) for turning the

boiler ON/OFF based on heating demand and water tempera-

ture in return pipe for running the system at optimal energy

efficiency.

This pack includes:

1 x Danfoss Link™ Dynamic Boiler Relay

1 x ESM-11 Temperature Sensor

Introduction

Installation

The Danfoss Link™ wireless system’s transmission range is su-

cient for most applications; however each building has dierent

obstacles aecting communication and maximum transmission

distance. If communication problems occur Danfoss suggests

that accessories would be required to support the system, such

as repeaters.

In exceptional cases the wireless system may not be suitable for

your installation.

Be aware that installation and placement must be

according to local building regulations.

VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR Installation Guide Danfoss Link™ DBR

The Danfoss Link™ Dynamic Boiler Relay (DBR) is an electronic

device for turning gas and oil boilers ON/OFF depending on

heat demand.

The Danfoss Link™ DBR must in applications with bypass valve

such as AVDO, be installed in combination with the ESM-11

temperature sensor (included inside the box) for turning the

boiler ON/OFF based on heating demand and water tempera-

ture in return pipe for running the system at optimal energy

efficiency.

This pack includes:

1 x Danfoss Link™ Dynamic Boiler Relay

1 x ESM-11 Temperature Sensor

Introduction

Installation

The Danfoss Link™ wireless system’s transmission range is su-

cient for most applications; however each building has dierent

obstacles aecting communication and maximum transmission

distance. If communication problems occur Danfoss suggests

that accessories would be required to support the system, such

as repeaters.

In exceptional cases the wireless system may not be suitable for

your installation.

Be aware that installation and placement must be

according to local building regulations.

Installation in application with bypass valve

using AVDO

In installations with bypass using AVDO, remember to mount

and wire the ESM-11 Temperature Sensor included in the pack.

Condensing

Boiler

Bypass

Valve

(AVDO)

Dynamic Boiler

Relay (DBR)

ESM-11

Temperature

Sensor

70C

50C

Note:

· The ESM-11 Temperature Sensor needs to be mounted on the

return pipe.

·Mount the ESM-11 Temperature Sensor in the bypass circuit

(gure 1) and not outside of the circuit (gure 2). Pay attention

that the ESM-11 must be outside the circuit of an eventual stor-

age tank

Condensing

Boiler

Bypass

Valve

(AVDO)

Dynamic Boiler

Relay (DBR)

ESM-11

Temperature

Sensor

70C

50C

Condensing

Boiler

Dynamic Boiler

Relay (DBR)

70C

50C

Bypass

Valve

(AVDO)

ESM-11

Temperature

Sensor

 

Figure 1 Figure 2

6VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR

Mounting

The Danfoss Link™ DBR is not recommended in application

without bypass valve. Install Danfoss Link™ DBR together with

e.g. AVDO bypass valve.

If boiler has internal bypass valve and installed with weather

compensation, the Danfoss Link™ DBR can be installed without

the Return Sensor, in operation mode “On when Heat Demand”

Note:

The Danfoss Link™ DBR must be mounted on a at surface.

For mounting the temperature sensor correctly on the pipe

please see enclosed installation guide for ESM-11 Temperature

Sensor.

VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR Installation Guide Danfoss Link™ DBR

Mounting

The Danfoss Link™ DBR is not recommended in application

without bypass valve. Install Danfoss Link™ DBR together with

e.g. AVDO bypass valve.

If boiler has internal bypass valve and installed with weather

compensation, the Danfoss Link™ DBR can be installed without

the Return Sensor, in operation mode “On when Heat Demand”

Wiring

1NL 234

230 V AC

ESM-11

Danfoss Link™ DBR

Electronics

Remove

jumper

if tted

Boiler ON/OFF

terminals

Note: Refer to boiler manufacturer’s manual for wiring connections

to the boiler.

The process of adding the Danfoss Link™ DBR

to a system is performed on the Danfoss

Link™ CC.

Note that the Danfoss Link™ DBR

must be added as a Service

Device.

When adding, press and

release the install button,

and observe that the LED

gives a fast green ash.

If adding is successful the LED turns green permanently.

For further information, see the Danfoss Link™ CC instruction

manual.

Note: If adding the Danfoss Link™ DBR to the Danfoss Link™ CC is

unsuccessful, make sure the right Danfoss Link™ CC software

version is applied. Correct version: 4.1.0 or higher.

Adding the device

8VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR

Congure Danfoss LinkTM DBR

Select “Manage Devices” in

“Rooms and Devices”.

Select “Congure Device”.

Select Device to congure Select operation mode

according to the application

VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR Installation Guide Danfoss Link™ DBR

Congure Danfoss LinkTM DBR NL

Congure the Danfoss LinkTM DBR Operation

Mode

Dynamic Control (Recommended)

When Dynamic Control is selected, the on/o cycles are deter-

mined by the heat demand in the rooms and the temperature

of the return pipe into the boiler to optimize energy savings.

Recommended in systems with bypass in heating circuit, such

as AVDO valve. It is possible to adjust the Setpoint Limits in

this mode. Dynamic Control only possible to select with ESM-

11 sensor mounted on return pipe

On when Heat Demand

The boiler is only ON when there is heat demand from a

reference room in the system. Recommended for modu-

lating boilers and non-condensing boilers.

TPI (Time Proportional Interval)

A duty cycle is calculated and used to control the boiler.

Select ‘Cycle Time’ in Settings.

10 VIIOS202 © Danfoss 07/2017

Installation Guide Danfoss Link™ DBR

Congure settings of the Danfoss LinkTM DBR

Setpoint Limits

Congure the Minimum

Temperature and Maximum

temperature for Return Line

setpoint temperatures for

Danfoss Link™ DBR here.

(Note: You can only set these

setpoint limits within the

Dynamic mode.)

The recommended Maximum Temperature is below 54 degrees to

ensure maximum eciency with condensing boilers.

If Maximum Temperature is set too low, there is a risk of not reaching

the desired temperature.

Relay Output Conguration

NO (Normally Open) and NC (Normally Closed)

Cycle time

• 6 cycles/hour is recommended for condensing non-modulat-

ing gas boilers.

• 3 cycles/hour is recommended for condensing non-modulat-

ing oil boilers.

Table of contents

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