Danfoss ECL Comfort 210 Operating Manual
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Danfoss ECL Comfort 210 Operating Manual

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Operating Guide
ECL Comfort 210/296/310, application A275/A375

1.0 Table of Contents

1.0 Table of Contents ............................................... 1
1.1
Important safety and product information. . . . . . . . . . . . . . . . . . . . . 2
2.0 Installation ........................................................ 5
2.1
Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2
Identifying the system type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
2.4
Placing the temperature sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
2.5
Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2.6
Inserting the ECL Application Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
2.7
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
2.8
Navigation, ECL Application Key A275 . . . . . . . . . . . . . . . . . . . . . . . . . 82
3.0 Daily use ......................................................... 90
3.1
How to navigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
3.2
Understanding the controller display . . . . . . . . . . . . . . . . . . . . . . . . . . 91
3.3
3.4
Monitoring temperatures and system
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
3.5
Influence overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
3.6
Manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
3.7
Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
4.0 Settings overview .......................................... 100
5.0 Settings......................................................... 103
5.1
Introduction to Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
5.2
Flow (boiler) temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
5.3
Tank temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
5.4
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
5.5
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
5.6
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
5.7
Boiler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
5.8
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
5.9
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
5.10 Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
5.11 Alarm overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
5.12 Anti-bacteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
© Danfoss | 2017.09
6.0 Common controller settings............................ 156
6.1
Introduction to 'Common controller settings' . . . . . . . . . . . . . . 156
6.2
Time & Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
6.3
Holiday . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
6.4
Input overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
6.5
Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
6.6
Output override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
6.7
Key functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
6.8
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
7.0 Miscellaneous ................................................ 172
7.1
ECA 30 / 31 setup procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
7.2
Override function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
7.3
Several controllers in the same system . . . . . . . . . . . . . . . . . . . . . . 183
7.4
Frequently asked questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
7.5
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
7.6
Type (ID 6001), overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
7.7
Parameter ID overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
VI.GU.L2.02 | 1

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  • Page 1: Table Of Contents

    Operating Guide ECL Comfort 210/296/310, application A275/A375 1.0 Table of Contents 1.0 Table of Contents ..........1 6.0 Common controller settings......156 Important safety and product information..... 2 Introduction to ‘Common controller settings’...

  • Page 2: Important Safety And Product Information

    The application A275 complies with ECL Comfort controller 210 and 310 as of software version 1.11 (visible at start-up of the controller and in ‘Common controller settings’ in ‘System’). Additional documentation for ECL Comfort 210 and accessories is available on www.ecl.doc.danfoss.com. A275 / A375 navigation in general: A275.1 / A375.1...
  • Page 3 A fuse for the ECL Comfort installation is max. 10 A typically. The ambient temperature ranges for ECL Comfort in operation are: ECL Comfort 210 / 310: 0 - 55 °C ECL Comfort 296: 0 - 45 °C. Exceeding the temperature range can result in malfunctions.
  • Page 4 Operating Guide ECL Comfort 210/296/310, application A275/A375 °C (degrees Celsius) is a measured temperature value whereas K (Kelvin) often is used for temperature differences. The ID no. is unique for the selected parameter. Example First digit Second digit Last three digits...

  • Page 5: Installation

    Operating Guide ECL Comfort 210/296/310, application A275/A375 2.0 Installation 2.1 Before you start The application A275.1 is very flexible. These are the basic Typical A275.1 application: principles: Heating (circuit 1): Typically, the boiler temperature is adjusted according to your requirements. The boiler temperature sensor S3 is the most important sensor.
  • Page 6 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A275.2 is very flexible. These are the basic Typical A275.2 application: principles: Heating (circuit 1): Typically, the boiler temperature is adjusted according to your requirements. The boiler temperature sensor S3 is the most important sensor.
  • Page 7 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A275.2 is very flexible. These are the basic Typical A275.2 application: principles: DHW (circuit 2): By means of a week schedule (up to 3 ‘Comfort’ periods / day), the DHW circuit can be in ‘Comfort’ or ‘Saving’ mode (two different temperature values for desired DHW temperature).
  • Page 8 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A275.3 is very flexible. These are the basic Typical A275.3 application: principles: Heating (circuit 1): Typically, the boiler temperature is adjusted according to your requirements. The boiler temperature sensor S3 is the most important sensor.
  • Page 9 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A275.3 is very flexible. These are the basic Typical A275.3 application: principles: Heating (circuit 2): Typically, the flow temperature is adjusted according to your requirements. The flow temperature sensor S4 is the most important sensor.
  • Page 10 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A275.3 is very flexible. These are the basic Typical A275.3 application: principles: DHW (circuit 3): By means of a week schedule (up to 3 ‘Comfort’ periods / day), the DHW circuit can be in ‘Comfort’ or ‘Saving’ mode (two different temperature values for desired DHW temperature).
  • Page 11 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A275 in general: Unused input can, by means of an override switch, be used to override the schedule to a fixed 'Comfort' or 'Saving' mode. Modbus communication to a SCADA system can be established.
  • Page 12 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A375.1 is very flexible. These are the basic Typical A375.1 application: principles: The applications A375.1 / A375.2 / A375.3 can ON / OFF control up to 8 burner steps. In application A375.1 the first 4 burner steps are controlled by relays in the ECL 310.
  • Page 13 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A375.2 is very flexible. These are the basic Typical A375.2 application: principles: The applications A375.1 / A375.2 / A375.3 can ON / OFF control up to 8 burner steps. In application A375.2 the first 2 burner steps are controlled by relays in the ECL 310.
  • Page 14 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A375.2 is very flexible. These are the basic Typical A375.2 application: principles: DHW (circuit 2): By means of a week schedule (up to 3 ‘Comfort’ periods / day), the DHW circuit can be in ‘Comfort’ or ‘Saving’ mode (two different temperature values for desired DHW temperature).
  • Page 15 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A375.3 is very flexible. These are the basic Typical A375.3 application: principles: The applications A375.1 / A375.2 / A375.3 can ON / OFF control up to 8 burner steps. In application A375.3 the first 2 burner steps are controlled by relays in the ECL 310.
  • Page 16 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A375.3 is very flexible. These are the basic Typical A375.3 application: principles: Heating (circuit 2): Typically, the flow temperature is adjusted according to your requirements. The flow temperature sensor S4 is the most important sensor.
  • Page 17 Operating Guide ECL Comfort 210/296/310, application A275/A375 The application A375.3 is very flexible. These are the basic Typical A375.3 application: principles: DHW (circuit 3): By means of a week schedule (up to 3 ‘Comfort’ periods / day), the DHW circuit can be in ‘Comfort’ or ‘Saving’ mode (two different temperature values for desired DHW temperature) .If the measured DHW temperature (S6) is lower than the desired...
  • Page 18 Operating Guide ECL Comfort 210/296/310, application A275/A375 Applications A375 in general: Unused input can, by means of an override switch, be used to override the schedule to a fixed 'Comfort' or 'Saving' mode. Modbus communication to a SCADA system can be established.

  • Page 19: Identifying The System Type

    Operating Guide ECL Comfort 210/296/310, application A275/A375 2.2 Identifying the system type Sketch your application The ECL Comfort controller series is designed for a wide range of heating, domestic hot-water (DHW) and cooling systems with different configurations and capacities. If your system differs from the diagrams shown here, you may want to make a sketch of the system about to be installed.
  • Page 20 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275 APPLICATIONS: A275.1, example a Boiler ON / OFF control for a heating circuit. * = pressure relief valve A275.1, example b Boiler ON / OFF control for a heating circuit. The boiler circuit is equipped with a low loss header.
  • Page 21 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.2, example a Boiler ON / OFF control for a heating and a DHW circuit. Optional DHW priority. * = pressure relief valve At DHW heating P3 is switched ON and the desired boiler temperature lies a number of degrees above the desired DHW temperature.
  • Page 22 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.2, example b Boiler ON / OFF control for a heating and a DHW circuit. DHW priority. * = pressure relief valve At DHW heating P3 (changeover valve) is activated and the desired boiler temperature lies a number of degrees above the desired DHW temperature.
  • Page 23 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.2, example c Boiler ON / OFF control for a heating and a DHW circuit. Optional DHW priority. The boiler circuit is equipped with a low loss header. * = pressure relief valve The pump in the boiler circuit is not controlled.
  • Page 24 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.2, example d Boiler ON / OFF control for a heating and a DHW circuit. DHW priority. The boiler circuit is equipped with a low loss header. * = pressure relief valve The pump in the boiler circuit is not controlled.
  • Page 25 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example a Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. * = pressure relief valve Heating circuit 2 can alternatively be a floor heating circuit.
  • Page 26 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example b Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Partly DHW priority. * = pressure relief valve Heating circuit 2 can alternatively be a floor heating circuit.
  • Page 27 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example c Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). DHW priority. * = pressure relief valve Heating circuit 2 can alternatively be a floor heating circuit.
  • Page 28 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example d Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. The mixing circuit (2) is controlled by means of a 4-port mixing valve.
  • Page 29 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example e Boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. The boiler circuit is equipped with a low loss header.
  • Page 30 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example f Boiler ON / OFF control, a mixing circuit control and a DHW circuit control. Optional DHW priority. * = pressure relief valve At DHW heating P3 is switched ON and the desired boiler temperature lies a number of degrees above the desired DHW temperature.
  • Page 31 Operating Guide ECL Comfort 210/296/310, application A275/A375 A275.3, example g Boiler ON / OFF control for a direct heating circuit (1) and a mixing circuit (2). * = pressure relief valve Heating circuit 2 can alternatively be a floor heating circuit.
  • Page 32 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375 APPLICATIONS: A375.1, example a One boiler with 2 x burner ON / OFF control for a heating circuit. * = pressure relief valve Fixed sequence: Burner 1 must be switched ON before burner 2 can be switched ON.
  • Page 33 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example b 2 x boiler ON / OFF control for a heating circuit. * = pressure relief valve Rotating sequence: Burner 1 is active before burner 2. Next day burner 2 is active before burner 1.
  • Page 34 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example c One boiler with 2 x burner ON / OFF control for a heating circuit. The boiler circuit is equipped with a low loss header. * = pressure relief valve The pump in the boiler is not controlled.
  • Page 35 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example d 2 x boiler ON / OFF control for a heating circuit. The boiler circuit is equipped with a low loss header. * = pressure relief valve The pumps in the boiler are not controlled.
  • Page 36 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example e Two boilers with 2 x burner ON / OFF control for a heating circuit. * = pressure relief valve Fixed sequence for each boiler: Burner 1 (3) must be switched ON before burner 2 (4) can be switched ON.
  • Page 37 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example f Up to 4 x boiler ON / OFF control for a heating circuit. * = pressure relief valve Rotating sequence of the boilers: Boiler 1 - 2 - 3 - 4. Next day: Boiler 2 - 3 - 4 -1. Following day: Boiler 3 - 4 -1 - 2 and so on.
  • Page 38 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example g Up to 8 x boiler ON / OFF control for a heating circuit. * = pressure relief valve The extension module ECA 32 is used to control boiler 5, 6, 7 and 8.
  • Page 39 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example h Up to 8 x boiler ON / OFF control for a heating circuit. The first boiler (high efficiency) has highest priority. * = pressure relief valve The first boiler can be a heat pump.
  • Page 40 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.1, example I Up to 8 x boiler ON / OFF control for a heating circuit. The first two boilers (high efficiency) have highest priority. * = pressure relief valve The first two boilers can be heat pumps The extension module ECA 32 is used to control boiler 5, 6, 7 and 8.
  • Page 41 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.2, example a Up to 8 x boiler ON / OFF control for a heating circuit and a DHW circuit. * = pressure relief valve The application drawing shows a general and basic installation.
  • Page 42 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375.3, example a Up to 8 x boiler ON / OFF control for a direct heating circuit (1), a mixing circuit (2) and a DHW circuit (3). Optional DHW priority. * = pressure relief valve The application drawing shows a general and basic installation.

  • Page 43: Mounting

    ECL Comfort 296 can be mounted • in a panel cut-out ECL Comfort 210 can be mounted in an ECL Comfort 310 base part (for future upgrade). Screws, PG cable glands and rawlplugs are not supplied. Locking the ECL Comfort 210 / 310 controller In order to fasten the ECL Comfort controller to its base part, secure the controller with the locking pin.
  • Page 44 Operating Guide ECL Comfort 210/296/310, application A275/A375 The easy way to lock the controller to its base or unlock it is to use a screw driver as lever. Mounting on a wall Mount the base part on a wall with a smooth surface. Establish the electrical connections and position the controller in the base part.
  • Page 45 Operating Guide ECL Comfort 210/296/310, application A275/A375 Before removing the ECL Comfort controller from the base part, ensure that the supply voltage is disconnected. 2.3.2 Mounting the Remote Control Units ECA 30 / 31 Select one of the following methods: •...

  • Page 46: Placing The Temperature Sensors

    It is important that the sensors are mounted in the correct position in your system. The temperature sensor mentioned below are sensors used for the ECL Comfort 210 / 296 / 310 series which not all will be needed for your application! Outdoor temperature sensor (ESMT) The outdoor sensor should be mounted on that side of the building where it is less likely to be exposed to direct sunshine.
  • Page 47 Operating Guide ECL Comfort 210/296/310, application A275/A375 Pt 1000 temperature sensor (IEC 751B, 1000 Ω / 0 °C) Relationship between temperature and ohmic value: VI.GU.L2.02 © Danfoss | 2017.09 | 47...

  • Page 48: Electrical Connections

    Operating Guide ECL Comfort 210/296/310, application A275/A375 2.5 Electrical connections 2.5.1 Electrical connections 230 V a.c. The common ground terminal is used for connection of relevant ECL 210 / 310 components (pumps, motorized control valves). ECL 296 VI.GU.L2.02 48 | © Danfoss | 2017.09...
  • Page 49 Operating Guide ECL Comfort 210/296/310, application A275/A375 2.5.2 Electrical connections, 230 V a.c., power supply, pumps, dampers, motorized control valves etc. Application A275.1 / A275.2 Terminal Description Max. load Alarm (A1) 4 (2) A / 230 V a.c.* Phase for pumps and burner 4 (2) A / 230 V a.c.*...
  • Page 50 Operating Guide ECL Comfort 210/296/310, application A275/A375 Alternative connection for P3 / M1, changeover valve (A275.2): VI.GU.L2.02 50 | © Danfoss | 2017.09...
  • Page 51 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A275.3 Terminal Description Max. load Phase for circulation pump P4, circuit 2 4 (2) A / 230 V a.c.* Circulation pump ON / OFF, circuit 2 Phase for pumps and burner DHW heating pump ON / OFF, circuit 3 4 (2) A / 230 V a.c.*...
  • Page 52 Operating Guide ECL Comfort 210/296/310, application A275/A375 Alternative connection for P3 / M1, changeover valve: VI.GU.L2.02 52 | © Danfoss | 2017.09...
  • Page 53 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.1 (up to 4 burner steps) Terminal Description Max. load Phase for alarm and burner B4 Alarm (A1) 4 (2) A / 230 V a.c.* Burner ON / OFF 4 (2) A / 230 V a.c.*...
  • Page 54 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.1 (burner steps 5–8): Terminal Description Max. load Phase for burner B5 Burner ON / OFF 4 (2) A / 230 V a.c.* Not to be used Phase for burner B6 Burner ON / OFF 4 (2) A / 230 V a.c.*...
  • Page 55 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.2 — up to 2 burner steps, P4 is the circulation pump in the DHW circuit Application A375.3 — up to 2 burner steps, P4 is the circulation pump in heating circuit 2...
  • Page 56 Operating Guide ECL Comfort 210/296/310, application A275/A375 Alternative connection for P3 / M1, changeover valve: Application A375.2 / A375.3 (burner steps 3–6): Terminal Description Max. load Phase for burner B3 Burner ON / OFF 4 (2) A / 230 V a.c.*...
  • Page 57 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.2 / A375.3 (burner steps 7–8) Terminal Description Max. load Phase for control of burner steps 7 and 8 Connection for motorized control valve - opening, circuit 2 (A375.3) 0.2 A / 230 V a.c.
  • Page 58 Operating Guide ECL Comfort 210/296/310, application A275/A375 2.5.3 Electrical connections, safety thermostats, 230 V a.c. or 24 V a.c. Safety thermostats can be used for circuit 2 (M2) in application A275.3 / A375.3. The drawings below are intended for general use.
  • Page 59 Operating Guide ECL Comfort 210/296/310, application A275/A375 With safety thermostat, 2–step closing: Motorized control valve with safety function When ST1 is activated by a high temperature (the TR temperature), the motorized control valve is closed gradually. At a higher temperature (the ST temperature), the safety circuit in the motorized control valve closes the valve immediately.
  • Page 60 Operating Guide ECL Comfort 210/296/310, application A275/A375 Wire cross section: 0.5 - 1.5 mm² Incorrect connection can damage the electronic outputs. Max. 2 x 1.5 mm² wires can be inserted into each screw terminal. VI.GU.L2.02 60 | © Danfoss | 2017.09...
  • Page 61 Operating Guide ECL Comfort 210/296/310, application A275/A375 2.5.4 Electrical connections, 24 V a.c. (ECL 310 only), power supply, pumps, motorized valves etc. Application A275.1 / A275.2 Double-insulated (two-chamber) transformer Description Terminal Max. load Alarm (A1) 4 (2) A / 24 V a.c.* Phase for control of pumps and burner 4 (2) A / 24 V a.c.*...
  • Page 62 Operating Guide ECL Comfort 210/296/310, application A275/A375 Alternative connection for P3 / M1, changeover valve (A275.2): VI.GU.L2.02 62 | © Danfoss | 2017.09...
  • Page 63 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A275.3 Double-insulated (two-chamber) transformer Terminal Description Max. load Phase for control of circulation pump P4, circuit 2 Control of circulation pump ON / OFF, circuit 2 4 (2) A / 24 V a.c.*...
  • Page 64 Operating Guide ECL Comfort 210/296/310, application A275/A375 Alternative connection for P3 / M1, changeover valve: VI.GU.L2.02 64 | © Danfoss | 2017.09...
  • Page 65 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.1 (up to 4 burner steps) Double-insulated (two-chamber) transformer Terminal Description Max. load Phase for alarm and burner B4 Alarm (A1) 4 (2) A / 24 V a.c.* Burner ON / OFF 4 (2) A / 24 V a.c.*...
  • Page 66 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.1 (burner steps 5–8): Double-insulated (two-chamber) transformer Terminal Description Max. load Phase for burner B5 Burner ON / OFF 4 (2) A / 24 V a.c.* Not to be used Phase for burner B6 Burner ON / OFF 4 (2) A / 24 V a.c.*...
  • Page 67 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.2 — up to 2 burner steps, P4 is the circulation pump in the DHW circuit Application A375.3 — up to 2 burner steps, P4 is the circulation pump in heating circuit 2...
  • Page 68 Operating Guide ECL Comfort 210/296/310, application A275/A375 Alternative connection for P3 / M1, changeover valve: Application A375.2 / A375.3 (burner steps 3–6): Double-insulated (two-chamber) transformer Terminal Description Max. load Phase for burner B3 Burner ON / OFF 4 (2) A / 24 V a.c.*...
  • Page 69 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application A375.2 / A375.3 (burner steps 7–8) Double-insulated (two-chamber) transformer Terminal Description Max. load Phase for control of burner steps 7 and 8 Connection for motorized control valve - opening, circuit 2 (A375.3) 1 A / 24 V a.c.
  • Page 70 Operating Guide ECL Comfort 210/296/310, application A275/A375 2.5.5 Electrical connections, Pt 1000 temperature sensors and signals A275: Terminal Sensor / description Type (recomm.) 29 and 30 S1 Outdoor temperature sensor* ESMT 28 and 30 S2 A275.3 only: ESM-11 / ESMB /...
  • Page 71 Operating Guide ECL Comfort 210/296/310, application A275/A375 A375: Type Terminal Sensor / description (recomm.) 29 and 30 S1 Outdoor temperature sensor* ESMT S2 A375.3 only: ESM-11 / ESMB / 28 and 30 Return temperature sensor, ESMC / ESMU circuit 2...
  • Page 72 Operating Guide ECL Comfort 210/296/310, application A275/A375 Wire cross section for sensor connections: Min. 0.4 mm². Total cable length: Max. 200 m (all sensors incl. internal ECL 485 communication bus) Cable lengths of more than 200 m may cause noise sensibility (EMC).
  • Page 73 Operating Guide ECL Comfort 210/296/310, application A275/A375 Total cable length: Max. 200 m (all sensors incl. internal ECL 485 communication bus). Cable lengths of more than 200 m may cause noise sensibility (EMC). Max. two ECA 30 / 31 can be connected to an ECL Comfort controller or to master / slave systems with several ECL Comfort controllers.
  • Page 74 Operating Guide ECL Comfort 210/296/310, application A275/A375 2.5.8 Electrical connections, communication Electrical connections, Modbus Electrical connections, M-bus Example, M-bus connections VI.GU.L2.02 74 | © Danfoss | 2017.09...

  • Page 75: Inserting The Ecl Application Key

    Operating Guide ECL Comfort 210/296/310, application A275/A375 2.6 Inserting the ECL Application Key 2.6.1 Inserting the ECL Application Key The ECL Application Key contains ECL Comfort 210 / 310 • the application and its subtypes, • currently available languages, •...
  • Page 76 Operating Guide ECL Comfort 210/296/310, application A275/A375 Automatic update of controller software (firmware): The software of the controller is updated automatically when the key is inserted (as of controller version 1.11 (ECL 210 / 310) and version 1.58 (ECL 296)). The following animation will be shown when the...
  • Page 77 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application Key: Situation 1 The controller is new from the factory, the ECL Application Key is not inserted. An animation for the ECL Application Key insertion is displayed. Insert the Application Key .
  • Page 78 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application Key: Situation 2 The controller already runs an application. The ECL Application Key is inserted, but the application needs to be changed. To change to another application on the ECL Application Key, the current application in the controller must be erased (deleted).
  • Page 79 Operating Guide ECL Comfort 210/296/310, application A275/A375 Application Key: Situation 3 A copy of the controllers settings is needed for configuring another controller. This function is used • for saving (backup) of special user and system settings • when another ECL Comfort controller of the same type (210, 296 or 310) must be configured with the same application but user / system settings differ from the factory settings.
  • Page 80 The “Key overview” does not inform — through ECA 30 / 31 — about the subtypes of the application key. Key inserted / not inserted, description: ECL Comfort 210 / 310, controller versions lower than 1.36: Take out the application key; for 20 minutes settings can be changed.

  • Page 81: Check List

    Operating Guide ECL Comfort 210/296/310, application A275/A375 2.7 Check list Is the ECL Comfort controller ready for use? Make sure that the correct power supply is connected to terminals 9 and 10 (230 V or 24 V). Make sure the correct phase conditions are connected:...

  • Page 82: Navigation, Ecl Application Key A275

    Operating Guide ECL Comfort 210/296/310, application A275/A375 2.8 Navigation, ECL Application Key A275 Navigation, A275, circuits 1, 2 and 3 Home Application A275 A275.1 A275.2 A275.3 Circuit Circuit Circuit MENU ID nos. Function Schedule Settings Flow temperature Heat curve 11178 12178 Temp.
  • Page 83 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, A275, circuits 1, 2 and 3, continued Home Application A275 A275.1 A275.2 A275.3 Circuit Circuit Circuit MENU ID nos. Function Settings Application 11010 12010 ECA addr. 11017 Demand offset 11050 P demand 12051 13051 Ch.-o.
  • Page 84 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, application A275, Common controller settings Home Application A275, Common controller settings MENU ID no. Function A275.1 A275.2 A275.3 Time & Date Selectable Holiday Selectable Input overview 1 Outdoor T Outdoor acc. T...
  • Page 85 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, application A375, Common controller settings, continued Home Application A275, Common controller settings MENU ID no. A275.1 A275.2 A275.3 Function New application Erase application Key functions Application Factory setting System settings User settings...
  • Page 86 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, A375, circuits 1, 2 and 3 Home Application A375 A375.1 A375.2 A375.3 Circuit Circuit Circuit MENU ID nos. Function Schedule Schedule circ. P Settings Flow temperature Heat curve 11178 12178 Temp. max.
  • Page 87 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, A375, circuits 1, 2 and 3, continued Home Application A375 A375.1 A375.2 A375.3 Circuit Circuit Circuit MENU ID nos. Function Settings Application 11010 12010 ECA addr. 11017 Demand offset 11050 P demand 12051 13051 Ch.-o.
  • Page 88 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, application A375, Common controller settings Home Application A375, Common controller settings MENU ID no. Function A375.1 A375.2 A375.3 Time & Date Selectable Holiday Selectable Input overview 1 Outdoor T Outdoor acc. T...
  • Page 89 Operating Guide ECL Comfort 210/296/310, application A275/A375 Navigation, application A375, Common controller settings, continued Home Application A375, Common controller settings MENU ID no. A375.1 A375.2 A375.3 Function New application Erase application Key functions Application Factory setting System settings User settings...

  • Page 90: Daily Use

    Operating Guide ECL Comfort 210/296/310, application A275/A375 3.0 Daily use 3.1 How to navigate You navigate in the controller by turning the dial left or right to Example shows ECL 210 / 310 the desired position ( The dial has a built-in accellerator. The faster you turn the dial, the faster it reaches the limits of any wide setting range.

  • Page 91: Understanding The Controller Display

    Operating Guide ECL Comfort 210/296/310, application A275/A375 3.2 Understanding the controller display This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.
  • Page 92 Operating Guide ECL Comfort 210/296/310, application A275/A375 If the temperature value is displayed as "- -" the sensor in question is not connected. "- - -" the sensor connection is short-circuited. DHW circuit Overview display 1: Overview display 2: Overview display 1 informs about: actual DHW temperature, controller mode, desired DHW temperature as well as the comfort schedule of the current day.
  • Page 93 Operating Guide ECL Comfort 210/296/310, application A275/A375 The setting of the desired room temperature is important even if a room temperature sensor / Remote Control Unit is not connected. Setting the desired DHW temperature The desired DHW temperature can easily be adjusted in the overview displays for the DHW circuit.

  • Page 94: A General Overview: What Do The Symbols Mean

    Operating Guide ECL Comfort 210/296/310, application A275/A375 3.3 A general overview: What do the symbols mean? Symbol Description Symbol Description Alarm Outdoor temp. Letter Relative humidity indoor Temperature Event Room temp. Monitoring temperature sensor connection DHW temp. Display selector Position indicator Max.
  • Page 95 Operating Guide ECL Comfort 210/296/310, application A275/A375 3.4 Monitoring temperatures and system components This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.
  • Page 96 Operating Guide ECL Comfort 210/296/310, application A275/A375 Input overview Another option to get a quick overview of measured temperatures is the 'Input overview' which is visible in the common controller settings (how to enter the common controller settings, see ‘Introduction to common controller settings’ . ) As this overview (see display example) only states the measured actual temperatures, it is read-only.

  • Page 97: Influence Overview

    Operating Guide ECL Comfort 210/296/310, application A275/A375 3.5 Influence overview This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.

  • Page 98: Manual Control

    Operating Guide ECL Comfort 210/296/310, application A275/A375 3.6 Manual control This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.

  • Page 99: Schedule

    Operating Guide ECL Comfort 210/296/310, application A275/A375 3.7 Schedule 3.7.1 Set your schedule This section describes the schedule in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.

  • Page 100: Settings Overview

    Operating Guide ECL Comfort 210/296/310, application A275/A375 4.0 Settings overview For factory settings and setting range, see appendix “Parameter ID overview”. Parameters indicated with an ID no. like "1x607" mean a universal parameter. x stands for circuit / parameter group.
  • Page 101 Operating Guide ECL Comfort 210/296/310, application A275/A375 Page Setting Factory settings in circuit(s) 1x051 Ch.-o. valve / P (changeover valve / pump) 1x052 DHW priority (closed valve / normal operation) 1x053 Tank, sec. / prim. (Tank secondarily or primarily connected) Circ.
  • Page 102 Operating Guide ECL Comfort 210/296/310, application A275/A375 Page Setting Factory settings in circuit(s) Low X 1x607 Low X 1x607 1x608 High X 1x608 High X 1x614 Alarm high 1x615 Alarm low 1x617 Alarm time-out VI.GU.L2.02 102 | © Danfoss | 2017.09...

  • Page 103: Settings

    5.1 Introduction to Settings Descriptions of settings (parameter's functions) are divided into groups as used in the ECL Comfort 210 / 296 / 310 controller's menu structure. Examples: "Flow temperature", "Room limit" and so on. Each group starts with a general explanation.

  • Page 104: Flow (Boiler) Temperature

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.2 Flow (boiler) temperature Desired flow (boiler) temperature The ECL Comfort controller determines and controls the flow (boiler) temperature related to the outdoor temperature. This relationship is called the heat curve. The heat curve is set by means of 6 coordinate points. The desired flow (boiler) temperature is set at 6 pre-defined outdoor temperature values.
  • Page 105 Operating Guide ECL Comfort 210/296/310, application A275/A375 The ECL Comfort controller determines and controls the flow Desired flow temperature temperature related to the outdoor temperature. This relationship is called the heat curve. The heat curve is set by means of 6 coordinate points. The desired flow temperature is set at 6 pre-defined outdoor temperature values.
  • Page 106 The small arrows ( ) indicate 6 different outdoor temperature values at which you can change the heat curve. The ECL Comfort 210 / 296 / 310 controls the DHW temperature according to the desired flow temperature for example under the influence of the return temperature.
  • Page 107 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Flow (boiler) temperature 1x004 Desired T (Desired flow temperature) When the ECL Comfort is in override mode, type "Const. T", the desired flow Override mode temperature can be set.
  • Page 108 Operating Guide ECL Comfort 210/296/310, application A275/A375 External signal for desired flow temperature Example: Relationship between input voltage and displayed desired flow temperature A voltage (0 - 10 V) can be applied to the input terminal S10 in order to determine the desired flow temperature.

  • Page 109: Tank Temperature

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.3 Tank temperature Parameters indicated with an ID no. like "1x607" mean a universal parameter. x stands for circuit / parameter group. MENU > Settings > Tank temperature 1x193 Charge difference Set the number of degrees above the desired DHW temperature that will result in the DHW heating (charging) temperature.
  • Page 110 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Tank temperature One DHW tank temperature sensor (example with positive ‘Stop difference’ value): 1x194 Stop difference One DHW tank temperature sensor: Set the number of degrees above or below the desired DHW temperature that will stop the DHW heating / charging.
  • Page 111 Operating Guide ECL Comfort 210/296/310, application A275/A375 Two DHW tank temperature sensors, upper and lower. Upper tank temperature is OK before lower tank temperature: Time # 1 # = Start difference (ID 1x195) # 2 # = Desired DHW temperature...
  • Page 112 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Tank temperature 1x195 Start difference Set the number of degrees below the desired DHW temperature that will start the DHW heating (charging). See Appendix “Parameter ID overview” Value: Set the number of degrees.

  • Page 113: Room Limit

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.4 Room limit The following section is a general description for Room temperature limitation. The actual application might not have both limitation types. This section is only relevant if you have installed a room temperature sensor or a Remote Control Unit for utilizing the room temperature signal.
  • Page 114 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Room limit Infl. - max. (room temp. limitation, max.) 1x182 Determines how much the desired flow temperature will be influenced (decreased) if the actual room temperature is higher than the desired room temperature (P control).

  • Page 115: Return Limit

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.5 Return limit The return temperature limitation is based on the outdoor temperature. Typically in district heating systems a higher return temperature is accepted at a decrease in outdoor temperature. The relationship between the return temperature limits and outdoor temperature is set in two coordinates.
  • Page 116 Operating Guide ECL Comfort 210/296/310, application A275/A375 Example, maximum return temperature limitation; return temperature gets higher than limit = Temperature = Temperature = Time # 1 # = Return temperature # 2 # = Return temperature limit # 3 # = Desired flow temperature # 4 # = Action point VI.GU.L2.02...
  • Page 117 Operating Guide ECL Comfort 210/296/310, application A275/A375 Example, minimum return temperature limitation; return temperature gets lower than limit = Temperature = Temperature = Time # 1 # = Return temperature # 2 # = Return temperature limit # 3 # = Desired flow temperature # 4 # = Action point Parameters indicated with an ID no.
  • Page 118 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Return limit 1x029 DHW, ret. T limit When an addressed slave is active in DHW-tank heating / charging, the return temperature limitation in the master can be set. Notes: •...
  • Page 119 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Return limit 1x034 High limit Y2 (return temp. limitation, high limit, Y-axis) Set the return temperature limitation referring to the outdoor temperature value set in 'Low T out X2' .
  • Page 120 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Return limit 1x085 Priority (priority for return temp. limitation) Choose whether the return temperature limitation should overrule the set If you have a DHW application: min. flow temperature ‘Temp. min.’ .

  • Page 121: Optimization

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.6 Optimization The section "Optimization" describes specific application related issues. The parameters 'Auto saving' , 'Boost' , 'Optimizer' , 'Total stop' are all related to heating mode only. 'Summer, cut-out' determine, at rising outdoor temperature, the stop of heating.
  • Page 122 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Optimization 1x011 Auto saving (saving temp. dependent on outdoor temp.) Below the set value for the outdoor temperature, the saving temperature setting has no influence. Above the set value for the outdoor temperature, the saving temperature relates to the actual outdoor temperature.
  • Page 123 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Optimization Boost 1x012 Shortens the heating-up period by increasing the desired flow temperature by the percentage you set. See Appendix “Parameter ID overview” OFF: The boost function is not active.
  • Page 124 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Optimization Table I: 1x014 Optimizer (optimizing time constant) System type Left digit Heat accumulation of the Optimizes the start and stop times for the comfort temperature period to building obtain the best comfort at the lowest energy consumption.
  • Page 125 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Optimization Total stop = OFF 1x021 Total stop Decide whether you want a total stop during the saving temperature period. See Appendix “Parameter ID overview” OFF: No total stop. The desired flow temperature is reduced according to: •...
  • Page 126 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Optimization Summer, cut-out 1x179 Summer, cut-out (limit for heating cut-out) See Appendix “Parameter ID overview” The heating can be switched OFF when the outdoor temperature is higher than the set value. The valve closes and after the post-run time, the heating circulation pump stops.

  • Page 127: Boiler

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.7 Boiler Parameters indicated with an ID no. like "1x607" mean a universal parameter. x stands for circuit / parameter group. MENU > Settings > Boiler Stop at T out 1x038 The ‘Stop at T out’ can be used in connection with alternative heat A275 applications: supply sources such as heat pumps and solar systems.
  • Page 128 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler Flow (boiler) temp. Protection 1x047 0.5 x ‘Difference’ Choose whether the circulation pump for the boiler circuit (P1) should be stopped to prevent condensation in the boiler during the heating-up period.
  • Page 129 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler Max. T limit 1x049 'Max. T limit' overrules 'Min. ON time' . A275 applications: If the boiler / flow temperature exceeds the set value, the burner is cut-out.
  • Page 130 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler Sequence type (A375 applications) 1x072 Set the sequence type for the boiler system. See Appendix “Parameter ID overview” Code: Boilers in sequence with automatic changeover of main boiler.
  • Page 131 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler Temp. Reaction, o. band (outside band) (A375 applications) 1x074 The set time (in seconds) determines the burner cut-in / cut-out when the Band limit boiler / flow temperature is outside the ‘Band limit’ ID no. 11048.
  • Page 132 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler Temp. Difference Reaction, in band (A375 applications) 1x075 The set time (in seconds) determines the burner cut-in / cut-out when the Desired boiler / flow boiler / flow temperature is inside the ‘Band limit’ ID no. 11048.
  • Page 133 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler How to calculate the running time of a motorized control valve M run (running time of the motorized control valve) 1x186 The running time of the motorized control valve is calculated using the following methods: ‘M run’...
  • Page 134 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Boiler Low X 1x607 Definition of which voltage value corresponds to which position value. The voltage (as a 0 - 10 volt signal) comes from a position measuring in M1 and is applied to input S11 (ECA 32).

  • Page 135: Control Parameters

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.8 Control parameters Control of valves The motorized control valves are controlled by means of 3-point control signal. Valve control: The motorized control valve is opened gradually when the flow temperature is lower than the desired flow temperature and vice versa.
  • Page 136 Comfort controller in order to reduce the flow. Again, the flow temperature aligns, over time, with the desired temperature. The control of the Danfoss thermo-actuator type ABV uses a unique designed algorithm and is based on the PWM principle (Pulse Width Modulation), where the duration of the pulse determines the management of the control valve.
  • Page 137 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Control parameters 1x174 Motor pr. (motor protection) Recommended for duct systems with variable load. Prevents the controller from unstable temperature control (and resulting actuator oscillations). This can occur at very low load. The motor protection increases the lifetime of all involved components.
  • Page 138 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Control parameters Nz (neutral zone) 1x187 The neutral zone is symmetrical around the desired flow / duct When the actual flow / duct temperature is within the neutral zone, the temperature value, i.e.
  • Page 139 Operating Guide ECL Comfort 210/296/310, application A275/A375 If you want to tune the PI regulation precisely, you can use the following method: • Set the ‘Tn’ (integration time constant) to its max. value (999 sec.). • Decrease the value for the ‘Xp’ (proportional band) until the system starts hunting (i.e. gets unstable) with a constant amplitude (it might be necessary to force the system by setting an extreme low value).

  • Page 140: Application

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.9 Application The section "Application" describes specific application related issues. Some of the parameter descriptions are universal for different application keys. Parameters indicated with an ID no. like "1x607" mean a universal parameter.
  • Page 141 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Application M exercise (valve exercise) 1x023 Exercises the valve to avoid blocking in periods without heat demand. See Appendix “Parameter ID overview” OFF: The valve exercise is not active.
  • Page 142 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Application 1x050 P demand The circulation pump in the master circuit can be controlled in relation to The circulation pump is always controlled according to frost protection the master circuit's demand or slave circuit's demand.
  • Page 143 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Application Tank, sec. / prim. (Tank secondarily or primarily 1x053 connected) Choose whether the heating of the DHW tank is dependent on the flow temperature at S3. See Appendix “Parameter ID overview”...
  • Page 144 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Application 1x078 P heat T (heat demand) When the desired flow temperature is above the set temperature in ‘P heat T’ , The valve is fully closed as long as the pump is not switched on.
  • Page 145 Operating Guide ECL Comfort 210/296/310, application A275/A375 Override mode functions: Example: Connection of an override switch The following settings describe the function in general for the ECL Comfort 210 / 296 / 310 series. The explained modes are typical and not application related. They might differ from the override modes in your application.
  • Page 146 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Application 1x142 Ext. mode (external override mode) The mode override can be activated for Saving, Comfort, Frost pr. or See also ‘Ext. input’ . Constant T mode. For override, the controller mode must be in scheduled mode.
  • Page 147 Operating Guide ECL Comfort 210/296/310, application A275/A375 Example: Override to Frost protection mode # 1 # = Override switch (not activated / activated) # 2 # = Function mode (Schedule / Frost pr.) # 3 # = Time Example: Override to Constant temperature mode # 1 # = Override switch (not activated / activated) # 2 # = Function mode (Schedule / Const.
  • Page 148 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Application 1x500 Send desired T When the controller acts as a slave controller in a master / slave system, In the master controller, 'Demand offset' must be set to a value in order information about the desired flow temperature can be sent to the master to react on a desired flow temperature from a slave controller.

  • Page 149: Alarm

    Alarm for monitoring the flow temperature is only available in circuit 2 in A275.3 and A375.3 applications. Many applications in the ECL Comfort 210 and 310 series have an alarm function. The alarm function typically activates relay 4 (ECL Comfort 210) or relay 6 (ECL Comfort 310).
  • Page 150 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Alarm High X 1x608 Definition of which voltage value corresponds to which position value. The voltage (as a 0 - 10 volt signal) comes from a position measuring in M1 and is applied to input S11 (ECA 32).
  • Page 151 Operating Guide ECL Comfort 210/296/310, application A275/A375 5.10.2 Temp. monitor. MENU > Settings > Alarm Upper difference 1x147 Upper difference The alarm is activated if the actual flow / duct temperature increases more than the set difference (acceptable temperature difference above the desired flow / duct temperature).
  • Page 152 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Alarm Delay, example 1x149 Delay, example If an alarm condition from either 'Upper difference' or 'Lower difference' is present for a longer time than the set delay (in minutes), the alarm function is activated.

  • Page 153: Alarm Overview

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.11 Alarm overview MENU > Alarm > Alarm overview This menu shows the alarm types, for example: • "2: Temp. monitor" Resetting an alarm, in general: • "32: T sensor defect" The alarm has been activated if the alarm symbol (a bell) is present MENU >...

  • Page 154: Anti-Bacteria

    Operating Guide ECL Comfort 210/296/310, application A275/A375 5.12 Anti-bacteria On selected days during the week the DHW temperature can be increased in order to neutralize bacteria in the DHW system. The desired DHW temperature 'Desired T' (typically 80 °C) will be present for the selected day(s) and duration.

  • Page 155: Danfoss | 2017.09

    Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Settings > Anti-bacteria Start time Set the start time for the anti-bacteria function. MENU > Settings > Anti-bacteria Duration Set the duration (minutes) for the anti-bacteria function. MENU > Settings > Anti-bacteria Desired T Set the desired DHW temperature for the anti-bacteria function.

  • Page 156: Common Controller Settings

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.0 Common controller settings 6.1 Introduction to ‘Common controller settings’ Some general settings which apply to the entire controller are Circuit selector located in a specific part of the controller. To enter ‘Common controller settings’:...

  • Page 157: Time & Date

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.2 Time & Date It is only necessary to set the correct date and time in connection with the first use of the ECL Comfort controller or after a power break of more than 72 hours.

  • Page 158: Holiday

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.3 Holiday This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.
  • Page 159 Operating Guide ECL Comfort 210/296/310, application A275/A375 Holiday, specific circuit / Common Controller Example 1: When setting one holiday program in specific circuit and another Circuit 1: holiday program in Common Controller, a priority will be taken Holiday set to "Saving"...

  • Page 160: Input Overview

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.4 Input overview This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.

  • Page 161: Log

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.5 Log This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.

  • Page 162: Output Override

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.6 Output override This section describes the function in general for the ECL Comfort 210 / 296 / 310 series. The shown displays are typical and not application related. They might differ from the displays in your application.

  • Page 163: Key Functions

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.7 Key functions New application Erase application: Removes the existing application. As soon as the ECL key is inserted, another application can be chosen. Application Gives an overview over the actual application in the ECL controller. Push the dial again to exit the overview.
  • Page 164 The “Key overview” does not inform — through ECA 30 / 31 — about the subtypes of the application key. Key inserted / not inserted, description: ECL Comfort 210 / 310, controller versions lower than 1.36: Take out the application key; for 20 minutes settings can be changed.

  • Page 165: System

    Operating Guide ECL Comfort 210/296/310, application A275/A375 6.8 System 6.8.1 ECL version In ‘ECL version’ you will always be able to find an overview of the Example, ECL version data related to your electronic controller. Please have this information available if you need to contact your Danfoss sales organization concerning the controller.
  • Page 166 See MENU > Common controller > System > M-bus config. Technical info: • The M-bus data are based on standard EN-1434. • Danfoss recommends AC supplied energy meters in order to avoid battery draining. MENU > Common controller > System > M-bus config. State Read-out...
  • Page 167 Flow temp., return temp., flow, power, acc. volume, acc. energy, tariff 1, tariff 2. Small data set, small units Small data set, large units See also the "Instructions, ECL Comfort 210 / 310, communication description" for further details. Large data set, small units Large data set, large units See also Appendix for detailed description of "Type".
  • Page 168 Operating Guide ECL Comfort 210/296/310, application A275/A375 MENU > Common controller > System > M-bus config. Scan time 6002 Energy meter 1 (2, 3, 4, 5) If the energy meter is battery powered, the scan time should be set to a high value to prevent a too fast battery draining.
  • Page 169 Operating Guide ECL Comfort 210/296/310, application A275/A375 6.8.8 Sensor offset (new functionality as from firmware 1.59) The measured temperature can be offset adjusted in order to compensate for cable resistance or a not-optimum place for the temperature sensor. The adjusted temperature can be seen in "Raw input overview"...
  • Page 170 Operating Guide ECL Comfort 210/296/310, application A275/A375 2048 ECL 485 addr. (master / slave address) Factory setting Circuit Setting range The total cable length of max. 200 m (all devices incl. the internal ECL 0 ... 15 485 communication bus) should not be exceeded.
  • Page 171 Operating Guide ECL Comfort 210/296/310, application A275/A375 6.8.11 Language Language 2050 Circuit Setting range Factory setting Local language is selected during installation. If you want to change to English / ‘Local’ English another local language, the application must be reinstalled. However, it is always possible to change between the local language and English.

  • Page 172: Miscellaneous

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.0 Miscellaneous 7.1 ECA 30 / 31 setup procedures ECA 30 (code no. 087H3200) is a remote control unit with built-in room temperature sensor. ECA 31 (code no. 087H3201) is a remote control unit with built-in room temperature sensor and humidity sensor (relative humidity).
  • Page 173 Operating Guide ECL Comfort 210/296/310, application A275/A375 The ECL menus are as described for the ECL controller. Most of the settings done directly in the ECL controller can be done via the ECA 30 / 31 too. All settings can be seen even if the application key is not inserted in the ECL controller.
  • Page 174 Operating Guide ECL Comfort 210/296/310, application A275/A375 When ECA 30 / 31 is in ECA MENU mode, the date and measured room temperature is displayed. ECA MENU > ECA settings > ECA sensor Room T Offset Example: Setting range Factory setting Room T offset: 0.0 K...
  • Page 175 Setting range Factory setting A / B For installation of an application in an ECL Comfort 210 / 296 / 310 controller the 'Slave addr.' must be A. The setting of 'Slave addr. ' is related to the setting 'ECA address' in the ECL controller.
  • Page 176 Operating Guide ECL Comfort 210/296/310, application A275/A375 ECA MENU > ECA system > ECA communication Connection addr. (Connection address) Setting range Factory setting 1 … 9 / 15 An ECA 30 / 31 can in an ECL 485 bus system (master – slave) be set to communicate, one by one, with all addressed ECL controllers.
  • Page 177 Operating Guide ECL Comfort 210/296/310, application A275/A375 ECA MENU > ECA system > ECA override Override circuit Setting range Factory setting OFF / 1 … 4 The circuit in question for override in the ECL controller must be in scheduled mode.
  • Page 178 Operating Guide ECL Comfort 210/296/310, application A275/A375 ECA MENU > ECA factory > ECA clear apps. Erase all apps. (Erase all applications) Erase all applications which are in the ECA 30 / 31. After erasing, the application can be uploaded again.
  • Page 179 Operating Guide ECL Comfort 210/296/310, application A275/A375 ECA MENU > ECA factory > Reset ECL addr. Reset ECL addr. (Reset ECL address) If none of the connected ECL Comfort controllers has the address 15, the ECA 30 / 31 can set all connected ECL controllers on the ECL 485 bus back to address 15.

  • Page 180: Override Function

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.2 Override function Example, override switch connected to S8: The ECL 210 / 296 / 310 controllers can receive a signal in order to override the existing schedule. The override signal can be a switch or a relay contact.
  • Page 181 Operating Guide ECL Comfort 210/296/310, application A275/A375 Example 1 ECL in Saving mode, but in Comfort mode at override. Choose an unused input, for example S8. Connect the override switch or override relay contact. Settings in ECL: 1. Select circuit > MENU > Settings > Application > Ext. input: Select the input S8 (the wiring example) 2.
  • Page 182 Operating Guide ECL Comfort 210/296/310, application A275/A375 Example 3 The week schedule for the building is set with comfort periods Monday - Friday: 07.00 - 17.30. Sometimes, a team meeting takes place in the evening or in the week-end. An override switch is installed and heating must be ON (Comfort mode) as long as the switch is ON.

  • Page 183: Several Controllers In The Same System

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.3 Several controllers in the same system When ECL Comfort controllers are interconnected by means of the ECL 485 communication bus (cable type: 2 x twisted pair), the master controller will broadcast the following signals to the slave controllers: •...
  • Page 184 Operating Guide ECL Comfort 210/296/310, application A275/A375 Situation 2: SLAVE controller: How to react on a DHW tank heating / charging activity sent from the MASTER controller The slave receives information about a DHW tank heating / charging activity in the master controller and can be set to close the selected heating circuit.
  • Page 185 Operating Guide ECL Comfort 210/296/310, application A275/A375 Situation 3: SLAVE controller: How to make use of the outdoor temperature signal and send information about the desired flow In the MASTER controller, the address in ‘ECL 485 addr. (master / slave temperature back to the MASTER controller address)’...

  • Page 186: Frequently Asked Questions

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.4 Frequently asked questions The definitions apply to the ECL Comfort 210 / 296 / 310 series. Consequently, you might come across expressions that are not mentioned in your guide. Circulation pump (heating) does not stop as expected It is in operation at frost protection (outdoor temperature lower than "P frost T"...
  • Page 187 Operating Guide ECL Comfort 210/296/310, application A275/A375 How to restore the factory settings? Please read the chapter concerning ‘Inserting the ECL Application Key’ . Why can’t the settings be changed? The ECL Application Key has been removed. Why can’t an application be selected when inserting the ECL...
  • Page 188 Operating Guide ECL Comfort 210/296/310, application A275/A375 How to set a correct heat curve? Short answer: Set the heat curve to the lowest possible value, but still having comfortable room temperature. The table shows some recommendations: House with Recommen- Needed flow temp.

  • Page 189: Definitions

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.5 Definitions The definitions apply to the ECL Comfort 210 / 296 / 310 series. Consequently, you might come across expressions that are not mentioned in your guide. Accumulated temperature value A filtered (dampened) value, typically for room and outdoor temperatures.
  • Page 190 Operating Guide ECL Comfort 210/296/310, application A275/A375 DHW circuit The circuit for heating the domestic hot water (DHW). Duct temperature Temperature measured in the air duct where the temperature is to be controlled. ECL Portal A supervisory system for remote control and monitoring, locally and via Internet.
  • Page 191 Operating Guide ECL Comfort 210/296/310, application A275/A375 Optimization The controller optimizes the start time of the scheduled temperature periods. Based on the outdoor temperature, the controller automatically calculates when to start in order to reach the comfort temperature at the set time. The lower the outdoor temperature, the earlier the start time.

  • Page 192: Type (Id 6001), Overview

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.6 Type (ID 6001), overview Type 0 Type 1 Type 2 Type 3 Type 4 Address ✔ ✔ ✔ ✔ ✔ Type ✔ ✔ ✔ ✔ ✔ Scan time ✔ ✔ ✔ ✔...

  • Page 193: Parameter Id Overview

    Operating Guide ECL Comfort 210/296/310, application A275/A375 7.7 Parameter ID overview A275.x or A375.x — x refers to the subtypes listed in the column. Parameter Setting Name A275.x A375.x range Factory Unit Own settings 11004 Desired T 4, 5 5 ... 150 °C...
  • Page 194 Operating Guide ECL Comfort 210/296/310, application A275/A375 Parameter Setting Name A275.x A375.x range Factory Unit Own settings 11078 P heat T 1, 2, 3 1, 2, 3, 4, 5 5 ... 40 °C 11085 Priority 1, 2, 3 1, 2, 3, 4, 5 OFF ;...
  • Page 195 Operating Guide ECL Comfort 210/296/310, application A275/A375 Parameter Setting Name A275.x A375.x range Factory Unit Own settings 12013 Ramp 3, 5 OFF, 1 ... 99 12014 Optimizer 3, 5 OFF, 10 ... 59 12015 Adapt. time 3, 5 OFF, 1 ... 50...
  • Page 196 Operating Guide ECL Comfort 210/296/310, application A275/A375 Parameter Setting Name A275.x A375.x range Factory Unit Own settings OFF ; S1 ; S2 ; S3 ; S4 ; S5 ; S6 ; S7 ; S8 ; S9 ; S10 ; S11 ;...
  • Page 197 Operating Guide ECL Comfort 210/296/310, application A275/A375 Parameter Setting Name A275.x A375.x range Factory Unit Own settings OFF ; S1 ; S2 ; S3 ; S4 ; S5 ; 13141 Ext. input S6 ; S7 ; S8 OFF ; S1 ; S2 ;...
  • Page 198 Operating Guide ECL Comfort 210/296/310, application A275/A375 Installer: Date: VI.GU.L2.02 198 | © Danfoss | 2017.09...
  • Page 199 Operating Guide ECL Comfort 210/296/310, application A275/A375 *087H9092* *VIGUL202* VI.GU.L2.02 2017.09 | © Danfoss | 199...

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