Danfoss ECL Comfort 310 Installation Manual
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Danfoss ECL Comfort 310 Installation Manual

Application a376
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Installation Guide
ECL Comfort 310, application A376

1.0 Table of Contents

1.0 Table of Contents ............................................... 1
1.1
Important safety and product information. . . . . . . . . . . . . . . . . . . . . 2
2.0 Installation ........................................................ 4
2.1
Before you start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2
Identifying the system type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.4
Placing the temperature sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.5
Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2.6
Inserting the ECL Application Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2.7
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.8
Navigation, ECL Application Key A376 . . . . . . . . . . . . . . . . . . . . . . . . . 48
3.0 Daily use ......................................................... 60
3.1
How to navigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3.2
Understanding the controller display . . . . . . . . . . . . . . . . . . . . . . . . . . 61
3.3
What do the symbols mean?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3.4
Monitoring temperatures and system
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
3.5
Influence overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
3.6
Manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
3.7
Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4.0 Settings overview ............................................ 70
5.0 Settings, circuit 1 ............................................. 75
5.1
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.2
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.3
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
5.4
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
5.5
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
5.6
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
5.7
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
5.8
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Danfoss District Energy
6.0 Settings, circuit 2 ........................................... 101
6.1
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
6.2
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
6.3
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
6.4
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
6.5
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
6.6
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
6.7
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
6.8
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
7.0 Settings, circuit 3 ........................................... 127
7.1
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
7.2
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
7.3
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
7.4
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
7.5
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
7.6
Anti-bacteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
7.7
Water meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
7.8
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
8.0 Common controller settings............................ 146
8.1
Introduction to 'Common controller settings' . . . . . . . . . . . . . . 146
8.2
Time & Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
8.3
Schedule output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
8.4
Holiday . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
8.5
Input overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
8.6
Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
8.7
Output override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
8.8
Key functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
8.9
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
9.0 Miscellaneous ................................................ 159
9.1
Several controllers in the same system . . . . . . . . . . . . . . . . . . . . . . 159
9.2
Frequently asked questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
9.3
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
VI.GU.B1.02
DEN-SMT/DK
1

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Summary of Contents for Danfoss ECL Comfort 310

  • Page 1: Table Of Contents

    Installation Guide ECL Comfort 310, application A376 1.0 Table of Contents 1.0 Table of Contents ..........1 6.0 Settings, circuit 2 ........... 101 Important safety and product information..... 2 Flow temperature.

  • Page 2: Important Safety And Product Information

    This Installation Guide is associated with ECL Application Key A376 (order code no. 087H3810). The functions can be realized in ECL Comfort 310 which includes M-bus, Modbus and Ethernet (Internet) communication. The applications A376.1/ A376.2 / A376.3 / A376.9 comply with ECL Comfort controller 310 as of software version 1.11 (visible at...
  • Page 3 Installation Guide ECL Comfort 310, application A376 °C (degrees Celsius) is a measured temperature value whereas K (Kelvin) is a number of degrees. The ID no. is unique for the selected parameter. Example First digit Second digit Last three digits...

  • Page 4: Installation

    Installation Guide ECL Comfort 310, application A376 2.0 Installation 2.1 Before you start The applications, A376.1, A376.2, A376.3 and A376.9 are almost Typical A376 application: identical. However, some applications have extra functions which are described separately. ECL 310 The applications are very flexible. These are the basic principles:...
  • Page 5 Installation Guide ECL Comfort 310, application A376 Heating (circuit 2): List of components: A376 in general, pumps and actuators This circuit works after same principles as circuit 1. DHW circulation pump, circuit 3 The flow temperature sensor S9 is the most important sensor.
  • Page 6 Installation Guide ECL Comfort 310, application A376 Domestic Hot Water (DHW, circuit 3): A376.2 example a: If the measured DHW temperature (S4) is lower than the desired DHW temperature, the motorized control valve (M1) is opened ECL 310 gradually and vice versa.
  • Page 7 Installation Guide ECL Comfort 310, application A376 A376.3 example b: Application A376.3 in general: The application is similar to the A376.1 application but the motorized control valves are controlled by means of 0-10 volt signals (analog signals). The triac outputs are not active for activating 3-point controlled actuators.
  • Page 8 Installation Guide ECL Comfort 310, application A376 The controller is pre-programmed with factory settings that are shown in the relevant chapters of this guide. Danfoss District Energy DEN-SMT/DK VI.GU.B1.02...

  • Page 9: Identifying The System Type

    Installation Guide ECL Comfort 310, application A376 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 10 Installation Guide ECL Comfort 310, application A376 A376.1 example a Indirectly connected heating and DHW system (typically district heating): ECL 310 Danfoss District Energy DEN-SMT/DK VI.GU.B1.02...
  • Page 11 Installation Guide ECL Comfort 310, application A376 A376.1, example b Indirectly connected heating and DHW system (typically district heating). Heating circuit 2 is connected as a sub-circuit of heating circuit 1. Alternatively, heating circuit 2 can be a floor heating circuit.
  • Page 12 Installation Guide ECL Comfort 310, application A376 A376.2, example a Indirectly connected heating and DHW system with flow switch (typically district heating): ECL 310 (S2) (S2) Danfoss District Energy DEN-SMT/DK VI.GU.B1.02...
  • Page 13 Installation Guide ECL Comfort 310, application A376 A376.2, example b Indirectly connected heating and DHW system with flow switch (typically district heating). Heating circuit 2 is connected as a sub-circuit of heating circuit 1. Alternatively, heating circuit 2 can be a floor heating circuit.
  • Page 14 Installation Guide ECL Comfort 310, application A376 A376.3, example a Indirectly connected heating and DHW system (typically district heating). Motorized control valves are controlled by means of analog signals (0–10 V). ECL 310 + ECA 32 Danfoss District Energy DEN-SMT/DK...
  • Page 15 Installation Guide ECL Comfort 310, application A376 A376.3, example b Indirectly connected heating and DHW system (typically district heating). Motorized control valves are controlled by means of analog signals (0–10 V). Heating circuit 2 is connected as a sub-circuit of heating circuit 1. Alternatively, heating circuit 2 can be a floor heating circuit.
  • Page 16 Installation Guide ECL Comfort 310, application A376 A376.9, example a Indirectly connected heating and DHW system with pressure transmitters and alarm input (typically district heating): ECL 310 + ECA 32 S 11 Danfoss District Energy DEN-SMT/DK VI.GU.B1.02...
  • Page 17 Installation Guide ECL Comfort 310, application A376 A376.9, example b Indirectly connected heating and DHW system with pressure transmitters and alarm input (typically district heating). Heating circuit 2 is connected as a sub-circuit of heating circuit 1. Alternatively, heating circuit 2 can be a floor heating circuit:...

  • Page 18: Mounting

    The ECL Comfort 210 can be mounted in the ECL Comfort 210 / 310 base part. The ECL Comfort 310 can only be mounted in the ECL Comfort 310 base part. Screws, PG cable glands and rawlplugs are not supplied.
  • Page 19 Installation Guide ECL Comfort 310, application A376 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. Secure the controller with the locking pin.
  • Page 20 Installation Guide ECL Comfort 310, application A376 2.3.2 Mounting the Remote Control Units ECA 30/31 Select one of the following methods: • Mounting on a wall, ECA 30 / 31 • Mounting in a panel, ECA 30 Screws and rawlplugs are not supplied.

  • Page 21: Placing The Temperature Sensors

    Flow temperature sensor (ESMU, ESM-11 or ESMC) Place the sensor max. 15 cm from the mixing point. In systems with heat exchanger, Danfoss recommends that the ESMU-type to be inserted into the exchanger flow outlet. Make sure that the surface of the pipe is clean and even where the sensor is mounted.
  • Page 22 Installation Guide ECL Comfort 310, application A376 Pt 1000 temperature sensor (IEC 751B, 1000 Ω / 0 °C) Relationship between temperature and ohmic value: Ω °C Ω 1600 1500 1400 1000 1300 1039 1078 1117 1200 1155 1194 1100 1232...

  • Page 23: Electrical Connections

    Installation Guide ECL Comfort 310, application A376 2.5 Electrical connections 2.5.1 Electrical connections 230 V a.c. in general The common ground terminal is used for connection of relevant components (pumps, motorized control valves). Danfoss District Energy VI.GU.B1.02 DEN-SMT/DK...
  • Page 24 Installation Guide ECL Comfort 310, application A376 2.5.2 Electrical connections, 230 V a.c., power supply, pumps, motorized control valves etc. A376.1, A376.2: Description Terminal Max. load Phase for alarm output 4 (2) A / 230 V a.c.* Alarm Not to be used...
  • Page 25 Installation Guide ECL Comfort 310, application A376 A376.3: Description Terminal Max. load Phase for alarm output 4 (2) A / 230 V a.c.* Alarm Not to be used Not to be used Not to be used Phase for circulation pumps Heating circulation pump, ON / OFF, circuit 2 4 (2) A / 230 V a.c.*...
  • Page 26 Installation Guide ECL Comfort 310, application A376 A376.9: Description Terminal Max. load 4 (2) A / 230 V a.c.* Relay output, schedule in ‘Common controller settings’ , Not to be used Alarm 4 (2) A / 230 V a.c.* Phase for circulation pumps Heating circulation pump, ON / OFF, circuit 2 4 (2) A / 230 V a.c.*...
  • Page 27 Installation Guide ECL Comfort 310, application A376 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. Danfoss District Energy VI.GU.B1.02 DEN-SMT/DK...
  • Page 28 Installation Guide ECL Comfort 310, application A376 2.5.3 Electrical connections, safety thermostats, 230 V a.c. or 24 V a.c. With safety thermostat, 1–step closing: Motorized control valve without safety function ECL 210 / 310 ECL 210 / 310 With safety thermostat, 1–step closing:...
  • Page 29 Installation Guide ECL Comfort 310, application A376 ECL 210 / 310 With safety thermostat, 2–step closing: Motorized control valve with safety function ECL 210 / 310 ECL 210 / 310 When ST is activated by a high temperature, the safety circuit in the motorized control valve closes the valve immediately.
  • Page 30 Installation Guide ECL Comfort 310, application A376 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. Danfoss District Energy DEN-SMT/DK VI.GU.B1.02...
  • Page 31 Installation Guide ECL Comfort 310, application A376 2.5.4 Electrical connections, 24 V a.c., power supply, pumps, motorized valves etc. A376.1, A376.2: Terminal Description Max. load Phase for alarm output Alarm 4 (2) A / 24 V a.c.* Not to be used...
  • Page 32 Installation Guide ECL Comfort 310, application A376 A376.3: Terminal Description Max. load Phase for alarm output Alarm 4 (2) A / 24 V a.c.* Not to be used Not to be used Not to be used Phase for circulation pumps 4 (2) A / 24 V a.c.*...
  • Page 33 Installation Guide ECL Comfort 310, application A376 A376.3 — ECA 32: Double-insulated (two-chamber) transformer Terminal Description Max. load Common terminal (connected to terminal 30 in the ECL Comfort controller) Analog reference for M2 and M3 Not to be used Not to be used Analog Out 1: 47 kΩ*...
  • Page 34 Installation Guide ECL Comfort 310, application A376 A376.9: Terminal Description Max. load 4 (2) A / 24 V a.c.* Relay output, schedule in ‘Common controller settings’ , Not to be used Alarm 4 (2) A / 24 V a.c.* Phase for circulation pumps 4 (2) A / 24 V a.c.*...
  • Page 35 Installation Guide ECL Comfort 310, application A376 Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly. Use auxilliary relays (K) to seperate 230 V a.c. from 24 V a.c. Danfoss District Energy VI.GU.B1.02...
  • Page 36 Installation Guide ECL Comfort 310, application A376 2.5.5 Electrical connections, Pt 1000 temperature sensors and signals A376: Type Terminal Sensor / description (recomm.) 29 and 30 S1 ESMT Outdoor temperature sensor* 28 and 30 S2 Room temperature ESM-10 sensor***, heating circuit 1 (A376.1 / A376.3)
  • Page 37 Installation Guide ECL Comfort 310, application A376 A376.9 — ECA 32: Type Terminal Sensor / description (recomm.) 50 and 49 S11 Supply flow temperature ESM-11 / ESMB / sensor* ESMC / ESMU 51 and 49 S12 Return temperature sensor ESM-11 / ESMB /...
  • Page 38 Installation Guide ECL Comfort 310, application A376 Connection of a pressure transmitter with 0-10 V output, S7 Connection of a pressure transmitter with 0-10 V output, ECA 32, S14 Connection of a pressure transmitter with 4-20 mA output, S7 The 4-20 mA signal is converted to a 0-10 V signal by means of the 500 ohm resistor.
  • Page 39 ‘Application req. newer ECA’: The software of your ECA does not comply with the software of your ECL Comfort controller. Please contact your Danfoss sales office. Some applications do not contain functions related to actual room temperature. The connected ECA 30 / 31 will only function as remote control.
  • Page 40 Installation Guide ECL Comfort 310, application A376 2.5.7 Electrical connections, master / slave systems The controller can be used as master or slave in master / slave systems via the internal ECL 485 communication bus (2 x twisted pair cable).
  • Page 41 Installation Guide ECL Comfort 310, application A376 2.5.8 Electrical connections, communication Electrical connections, Modbus ECL 210 / 310 Electrical connections, M-bus ECL 310 Danfoss District Energy VI.GU.B1.02 DEN-SMT/DK...

  • Page 42: Inserting The Ecl Application Key

    Installation Guide ECL Comfort 310, application A376 2.6 Inserting the ECL Application Key 2.6.1 Inserting the ECL Application Key The ECL Application Key contains • the application and its subtypes, • currently available languages, • factory settings: e.g. schedules, desired temperatures, limitation values etc.
  • Page 43 Installation Guide ECL Comfort 310, application A376 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 44 Installation Guide ECL Comfort 310, application A376 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 45 Installation Guide ECL Comfort 310, application A376 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 or 310) must be configured with the same application but user / system settings differ from the factory settings.
  • Page 46 Installation Guide ECL Comfort 310, application A376 2.6.2 ECL Application Key, copying data General principles When the controller is connected and operating, you can check and adjust all or some of the basic settings. The new settings can be stored on the Key.

  • Page 47: Check List

    Installation Guide ECL Comfort 310, application A376 2.7 Check list Is the ECL Comfort controller ready for use? Make sure that the correct power supply is connected to terminals 9 (Live) and 10 (Neutral). Check that the required controlled components (actuator, pump etc.) are connected to the correct terminals.

  • Page 48: Navigation, Ecl Application Key A376

    Installation Guide ECL Comfort 310, application A376 2.8 Navigation, ECL Application Key A376 Navigation, application A376.1 Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU Schedule Selectable Selectable Selectable...
  • Page 49 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.1, continued Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU 11010 12010 Settings Application ECA addr. ECA addr. 11017...
  • Page 50 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.1, Common controller settings Home Common controller settings MENU ID no. Function Time & Date Selectable Holiday Selectable Input overview 1, 2 & 3 Circuit 1 Circuit 2 Circuit 3 Outdoor T...
  • Page 51 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.2 Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU Schedule Selectable Selectable Selectable Settings Flow temperature Heat curve Heat curve...
  • Page 52 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.2, continued Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU 11010 12010 Settings Application ECA addr. ECA addr. 11017...
  • Page 53 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.2, Common controller settings Home Common controller settings MENU ID no. Function Time & Date Selectable Holiday Selectable Input overview 1, 2 & 3 Circuit 1 Circuit 2 Circuit 3 Outdoor T...
  • Page 54 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.3 Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU Schedule Selectable Selectable Selectable Settings Flow temperature Heat curve Heat curve...
  • Page 55 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.3, continued Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU 11010 12010 Settings Application ECA addr. ECA addr. 11017...
  • Page 56 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.3, Common controller settings Home Common controller settings MENU ID no. Function Time & Date Selectable Holiday Selectable Input overview 1, 2 & 3 Circuit 1 Circuit 2 Circuit 3 Outdoor T...
  • Page 57 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.9 Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU Schedule Selectable Selectable Selectable Settings Flow temperature Heat curve Heat curve...
  • Page 58 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.9, continued Home Heating, circuit 1 Heating, circuit 2 DHW, circuit 3 ID no. Function ID no. Function ID no. Function MENU 11017 Settings Application Demand offset 11500 Send desired T...
  • Page 59 Installation Guide ECL Comfort 310, application A376 Navigation, application A376.9, Common controller settings Home Common controller settings MENU ID no. Function Time & Date Selectable Schedule output Selectable Holiday Selectable Input overview 1, 2 & 3 Circuit 1 Circuit 2...

  • Page 60: Daily Use

    Installation Guide ECL Comfort 310, application A376 3.0 Daily use 3.1 How to navigate You navigate in the controller by turning the dial left or right to 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 61: Understanding The Controller Display

    Installation Guide ECL Comfort 310, application A376 3.2 Understanding the controller display Choosing a favorite display Your favorite display is the display you have chosen as the default display. The favorite display will give you a quick overview of the temperatures or units that you want to monitor in general.
  • Page 62 Installation Guide ECL Comfort 310, application A376 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. Overview display 2 informs about:...
  • Page 63 Installation Guide ECL Comfort 310, application A376 Overview of setting range and settings for desired room temperature: Setting range Factory setting Mode Comfort 5... 40 °C 20 °C Saving 5... 40 °C 16°C Frost protection* 5 ... 40 °C 10 °C...
  • Page 64 Installation Guide ECL Comfort 310, application A376 Overview of setting range and settings for DHW modes: Setting range Factory setting Mode Comfort 10 ... 150 °C 50 °C Saving 10 ... 150 °C 10 °C Frost protection* 5 ... 40 °C 10 °C...

  • Page 65: What Do The Symbols Mean

    Installation Guide ECL Comfort 310, application A376 3.3 What do the symbols mean? Symbol Description Symbol Description Sensor not connected or not used Outdoor temp. Sensor connection short-circuited Temperature Room temp. Fixed comfort day (holiday) DHW temp. Active influence Position indicator...
  • Page 66 Installation Guide ECL Comfort 310, application A376 3.4 Monitoring temperatures and system components Heating circuit The overview display in the heating circuit ensures a quick overview of the actual and (desired) temperatures as well as the actual state of the system components.

  • Page 67: Influence Overview

    Installation Guide ECL Comfort 310, application A376 3.5 Influence overview The menu gives an overview of the influences on the desired flow temperature. It differs from application to application which parameters are listed. It can be helpful in a service situation to explain unexpected conditions or temperatures among others.

  • Page 68: Manual Control

    Installation Guide ECL Comfort 310, application A376 3.6 Manual control It is possible to manually control the installed components. Manual control can only be selected in favorite displays in which the symbols for the controlled components (valve, pump etc.) are visible.

  • Page 69: Schedule

    Installation Guide ECL Comfort 310, application A376 3.7 Schedule 3.7.1 Set your schedule The schedule consists of a 7-day week: M = Monday = Tuesday W = Wednesday = Thursday = Friday = Saturday = Sunday The schedule will day-by-day show you the start and stop times of your comfort periods (heating / DHW circuits).

  • Page 70: Settings Overview

    Installation Guide ECL Comfort 310, application A376 4.0 Settings overview It is recommendable to make a note of any changed settings in the empty columns. Setting Page Factory settings in circuit(s) Heat curve Temp. max. (flow temp. limit, max.) 11178 90 °C...
  • Page 71 Installation Guide ECL Comfort 310, application A376 Setting Page Factory settings in circuit(s) Nz (neutral zone) 11187 Nz (neutral zone) — A376.9 11187 Min. act. time (min. activation time gear motor) 11189 ECA addr. (choice of Remote Control Unit) 11010...
  • Page 72 Installation Guide ECL Comfort 310, application A376 Setting Page Factory settings in circuit(s) Priority (priority for return temp. limitation) 12085 Actual (actual flow or power) 12110 Actual limit (limitation value) 12111 High T out X1 (flow / power limitation, high limit, X-axis) 12119 15 °C...
  • Page 73 Installation Guide ECL Comfort 310, application A376 Setting Page Factory settings in circuit(s) S14 pressure — A376.9 Alarm high — A376.9 12614 Alarm low — A376.9 12615 Alarm time-out — A376.9 12617 30 s Digital S15 — A376.9 Alarm value — A376.9...
  • Page 74 Installation Guide ECL Comfort 310, application A376 Setting Page Factory settings in circuit(s) P post-run 13040 Frost pr. T (frost protection temperature) 13093 10 °C Ext. input (external override) — ECL 310 13141 COM- Ext. mode (external override mode) 13142...

  • Page 75: Settings, Circuit 1

    Installation Guide ECL Comfort 310, application A376 5.0 Settings, circuit 1 5.1 Flow temperature Desired flow temperature The ECL Comfort controller determines and controls the flow 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 76 Installation Guide ECL Comfort 310, application A376 The heat curves represent the desired flow temperature at different outdoor temperatures and at a desired room temperature of 20 °C. 3.0 3.4 The small arrows ( ) indicate 6 different outdoor temperature values at which you can change the heat curve.

  • Page 77: Room Limit

    Installation Guide ECL Comfort 310, application A376 5.2 Room limit This section is only relevant if you have installed a room Influence temperature sensor or a Remote Control Unit. The controller adjusts the desired flow temperature to compensate for the difference between the desired and the actual room ‘Infl.
  • Page 78 Installation Guide ECL Comfort 310, application A376 11183 Infl. - min. (room temp. limitation, min.) Circuit Setting range Factory setting 0.0 ..9.9 Determines how much the desired flow temperature will be influenced (increased) if the actual room temperature is lower than the desired room temperature (P control).

  • Page 79: Return Limit

    Installation Guide ECL Comfort 310, application A376 5.3 Return limit The return temperature limitation is based on the outdoor Return temperature limitation temperature. Typically in district heating systems a higher return temperature is accepted at a decrease in outdoor temperature. The °...
  • Page 80 Installation Guide ECL Comfort 310, application A376 11034 High limit Y2 (return temp. limitation, high limit, Y-axis) Circuit Setting range Factory setting 10 ... 150 °C 60 °C Set the return temperature limitation referring to the outdoor temperature set in 'Low T out X2'.
  • Page 81 Installation Guide ECL Comfort 310, application A376 11037 Adapt. time (adaptation time) Circuit Setting range Factory setting The adaptation function can correct the desired flow temperature 25 s OFF / 1 ... 50 s with max. 8 K. Controls how fast the return temperature adapts to the desired return temperature limit (I control).

  • Page 82: Flow / Power Limit

    Installation Guide ECL Comfort 310, application A376 5.4 Flow / power limit A flow or energy meter can be connected (M-bus signal) to the ECL Flow / power limitation controller in order to limit the flow or consumed power. The flow / power limitation can be based on the outdoor temperature.
  • Page 83 Installation Guide ECL Comfort 310, application A376 11117 Low limit Y1 (flow / power limitation, low limit, Y-axis) Circuit Setting range Factory setting The limitation function can overrule the set 'Temp. min' of the desired 0.0 ... 999.9 l/h 999.9 l/h flow temperature.
  • Page 84 Installation Guide ECL Comfort 310, application A376 Input type 11109 Factory setting Circuit Setting range OFF / EM1 ... EM5 Choice of M-bus signal from energy meter number 1 ... 5. OFF: No M-bus signal acquired. EM1 ... EM5: Energy meter number.

  • Page 85: Optimization

    Installation Guide ECL Comfort 310, application A376 5.5 Optimization Reduction 11011 Auto saving (saving temp. dependent on outdoor temp.) Circuit Setting range Factory setting OFF / -29 ... 10 °C -15 °C 100% Below the set value for the outdoor temperature, the saving temperature setting has no influence.
  • Page 86 Installation Guide ECL Comfort 310, application A376 Temp. °C 11013 Ramp (reference ramping) Circuit Setting range Factory setting OFF / 1 ... 99 m The time (minutes) in which the desired flow temperature increases gradually to avoid load peaks in the heat supply.
  • Page 87 Installation Guide ECL Comfort 310, application A376 Example: Optimization of Comfort from 07:00 - 22:00 11026 Pre-stop (optimized stop time) Circuit Setting range Factory setting 07:00 22:00 OFF / ON Schedule Disable the optimized stop time. Pre-stop OFF OFF: The optimized stop time is disabled.
  • Page 88 Installation Guide ECL Comfort 310, application A376 11179 Cut-out (limit for heating cut-out) Temp. Actual outdoor temp. Accumulated outdoor temp. Circuit Setting range Factory setting OFF / 1 ... 50 °C 20 °C 18 °C The heating can be switched OFF when the outdoor temperature is higher than the set value.

  • Page 89: Control Parameters

    Installation Guide ECL Comfort 310, application A376 5.6 Control parameters 11174 Motor pr. (motor protection) Circuit Setting range Factory setting Recommended for heating systems with variable load. OFF / 10 ... 59 m Prevents the controller from unstable temperature control (and resulting actuator oscillations).
  • Page 90 Installation Guide ECL Comfort 310, application A376 11186 M run (running time of the motorized control valve) How to calculate the running time of a motorized control valve Circuit Setting range Factory setting The running time of the motorized control valve is calculated using the following methods: 5 ...
  • Page 91 Installation Guide ECL Comfort 310, application A376 Setting example Value x 20 ms Min. act. time (min. activation time gear motor) 11189 40 ms Circuit Setting range Factory setting 200 ms 2 ... 50 1000 ms The min. pulse period of 20 ms (milliseconds ) for activation of the gear motor.
  • Page 92 Installation Guide ECL Comfort 310, application A376 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 93: Application

    Installation Guide ECL Comfort 310, application A376 5.7 Application 11010 ECA addr. (choice of Remote Control Unit) Factory setting Circuit Setting range The Remote Control Unit has no influence on the DHW control. OFF / A / B Decides the communication with the Remote Control Unit.
  • Page 94 Installation Guide ECL Comfort 310, application A376 11500 Send desired T Circuit Setting range Factory setting In the master controller, 'Demand offset' must be set to a value in order OFF / ON to react on a desired flow temperature from a slave controller.
  • Page 95 Installation Guide ECL Comfort 310, application A376 11077 P frost T Circuit Setting range Factory setting Under normal conditions, your system is not frost protected if your OFF / -10 ... 20 °C 2 °C setting is below 0 °C or OFF.
  • Page 96 Installation Guide ECL Comfort 310, application A376 11141 Ext. input (external override) — ECL 310 Circuit Setting range Factory setting OFF / S1 ... S10 Choose the input for 'Ext. input' (external override). By means of a switch the controller can be overridden to ‘Comfort’ or ‘Saving’ mode.

  • Page 97: Alarm

    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). The alarm relay can activate a lamp, a horn, an input to an alarm transmitting device etc.

  • Page 98: Danfoss District Energy

    Installation Guide ECL Comfort 310, application A376 11149 Delay Temp. Circuit Setting range Factory setting Flow temp. 1 ... 99 m 10 m If an alarm condition from either 'Upper difference' or 'Lower difference' is present for a longer time than the set delay (in min.), the alarm function is activated.

  • Page 99: Danfoss District Energy

    Installation Guide ECL Comfort 310, application A376 11614 Alarm high — A376.9 Circuit Setting range Factory setting 0.0 ... 6.0 The pressure alarm is activated when the measured signal (see 'Low X', 'High X', 'Low Y' and 'High Y') is above the set limit.

  • Page 100: Danfoss District Energy

    Installation Guide ECL Comfort 310, application A376 11079 Max. flow T— A376.9 Factory setting Circuit Setting range 10 ... 110 °C 90 °C The alarm is activated when the flow temperature exceeds the set value. Delay — A376.9 11180 Circuit...

  • Page 101: Settings, Circuit 2

    Installation Guide ECL Comfort 310, application A376 6.0 Settings, circuit 2 6.1 Flow temperature 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 102 Installation Guide ECL Comfort 310, application A376 The heat curves represent the desired flow temperature at different outdoor temperatures and at a desired room temperature of 20 °C. 3.0 3.4 The small arrows ( ) indicate 6 different outdoor temperature values at which you can change the heat curve.

  • Page 103: Room Limit

    Installation Guide ECL Comfort 310, application A376 6.2 Room limit This section is only relevant if you have installed a room Influence temperature sensor or a Remote Control Unit. The controller adjusts the desired flow temperature to compensate for the difference between the desired and the actual room ‘Infl.
  • Page 104 Installation Guide ECL Comfort 310, application A376 12182 Infl. - max. (room temp. limitation, max.) Circuit Setting range Factory setting -9.9 ... 0.0 -4.0 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 105: Return Limit

    Installation Guide ECL Comfort 310, application A376 6.3 Return limit The return temperature limitation is based on the outdoor Return temperature limitation temperature. Typically in district heating systems a higher return temperature is accepted at a decrease in outdoor temperature. The °...
  • Page 106 Installation Guide ECL Comfort 310, application A376 12034 High limit Y2 (return temp. limitation, high limit, Y-axis) Circuit Setting range Factory setting 10 ... 150 °C 60 °C Set the return temperature limitation referring to the outdoor temperature set in 'Low T out X2'.
  • Page 107 Installation Guide ECL Comfort 310, application A376 12085 Priority (priority for return temp. limitation) Circuit Setting range Factory setting OFF / ON Choose whether the return temperature limitation should overrule the set min. flow temperature ‘Temp. min.’ . OFF: The min. flow temperature limit is not overruled.

  • Page 108: Flow / Power Limit

    Installation Guide ECL Comfort 310, application A376 6.4 Flow / power limit A flow or energy meter can be connected (M-bus signal) to the ECL Flow / power limitation controller in order to limit the flow or consumed power. The flow / power limitation can be based on the outdoor temperature.
  • Page 109 Installation Guide ECL Comfort 310, application A376 12117 Low limit Y1 (flow / power limitation, low limit, Y-axis) Circuit Setting range Factory setting The limitation function can overrule the set 'Temp. min' of the desired 0.0 ... 999.9 l/h 999.9 l/h flow temperature.
  • Page 110 Installation Guide ECL Comfort 310, application A376 Input type 12109 Factory setting Circuit Setting range OFF / EM1 ... EM5 Choice of M-bus signal from energy meter number 1 ... 5. OFF: No M-bus signal acquired. EM1 ... EM5: Energy meter number.

  • Page 111: Optimization

    Installation Guide ECL Comfort 310, application A376 6.5 Optimization Reduction 12011 Auto saving (saving temp. dependent on outdoor temp.) Circuit Setting range Factory setting OFF / -29 ... 10 °C -15 °C 100% Below the set value for the outdoor temperature, the saving temperature setting has no influence.
  • Page 112 Installation Guide ECL Comfort 310, application A376 Temp. °C 12013 Ramp (reference ramping) Circuit Setting range Factory setting OFF / 1 ... 99 m The time (minutes) in which the desired flow temperature increases gradually to avoid load peaks in the heat supply.
  • Page 113 Installation Guide ECL Comfort 310, application A376 Example: Optimization of Comfort from 07:00 - 22:00 12026 Pre-stop (optimized stop time) Circuit Setting range Factory setting 07:00 22:00 OFF / ON Schedule Disable the optimized stop time. Pre-stop OFF OFF: The optimized stop time is disabled.
  • Page 114 Installation Guide ECL Comfort 310, application A376 12179 Cut-out (limit for heating cut-out) Temp. Actual outdoor temp. Accumulated outdoor temp. Circuit Setting range Factory setting OFF / 1 ... 50 °C 20 °C 18 °C The heating can be switched OFF when the outdoor temperature is higher than the set value.

  • Page 115: Control Parameters

    Installation Guide ECL Comfort 310, application A376 6.6 Control parameters 12174 Motor pr. (motor protection) Circuit Setting range Factory setting Recommended for heating systems with variable load. OFF / 10 ... 59 m Prevents the controller from unstable temperature control (and resulting actuator oscillations).
  • Page 116 Installation Guide ECL Comfort 310, application A376 12186 M run (running time of the motorized control valve) — How to calculate the running time of a motorized control valve A376.9 The running time of the motorized control valve is calculated using...
  • Page 117 Installation Guide ECL Comfort 310, application A376 12187 Nz (neutral zone) — A376.9 Circuit Setting range Factory setting The neutral zone is symmetrical around the desired flow temperature 1 ... 9 K value, i.e. half the value is above and half the value is below this temperature.
  • Page 118 Installation Guide ECL Comfort 310, application A376 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 119: Application

    Installation Guide ECL Comfort 310, application A376 6.7 Application 12010 ECA addr. (choice of Remote Control Unit) Factory setting Circuit Setting range The Remote Control Unit has no influence on the DHW control. OFF / A / B Decides the communication with the Remote Control Unit.
  • Page 120 Installation Guide ECL Comfort 310, application A376 12052 DHW priority (closed valve / normal operation) Circuit Setting range Factory setting This setting must be considered if this controller is a slave. OFF / ON The heating circuit can be closed when the controller acts as slave and when DHW heating / charging is active in the master.
  • Page 121 Installation Guide ECL Comfort 310, application A376 12093 Frost pr. T (frost protection temperature) Circuit Setting range Factory setting 5 ... 40 °C 10 °C Set the desired flow temperature to protect the DHW system against frost. 5 ... 40: Desired frost protection temperature.
  • Page 122 Installation Guide ECL Comfort 310, application A376 12142 Ext. mode (external override mode) Circuit Setting range Factory setting See also ‘Ext. input’ . COMFORT / SAVING COMFORT Choose external override mode. The mode override can be activated for saving or comfort mode.

  • Page 123: Alarm

    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). The alarm relay can activate a lamp, a horn, an input to an alarm transmitting device etc.
  • Page 124 Installation Guide ECL Comfort 310, application A376 12149 Delay Temp. Circuit Setting range Factory setting Flow temp. 1 ... 99 m 10 m If an alarm condition from either 'Upper difference' or 'Lower difference' is present for a longer time than the set delay (in min.), the alarm function is activated.
  • Page 125 Installation Guide ECL Comfort 310, application A376 12614 Alarm high — A376.9 Circuit Setting range Factory setting 0.0 ... 6.0 The pressure alarm is activated when the measured signal (see 'Low X', 'High X', 'Low Y' and 'High Y') is above the set limit.
  • Page 126 Installation Guide ECL Comfort 310, application A376 12079 Max. flow T— A376.9 Factory setting Circuit Setting range 10 ... 110 °C 90 °C The alarm is activated when the flow temperature exceeds the set value. Delay — A376.9 12180 Circuit...

  • Page 127: Settings, Circuit 3

    Installation Guide ECL Comfort 310, application A376 7.0 Settings, circuit 3 7.1 Flow temperature The ECL Comfort 310 controls the DHW temperature according to Actual DHW temp. the desired flow temperature for example under the influence of the return temperature.

  • Page 128: Return Limit

    Installation Guide ECL Comfort 310, application A376 7.2 Return limit The return temperature limitation is based on a constant temperature value. The controller automatically changes the desired flow temperature to obtain an acceptable return temperature when the return temperature falls below or gets higher than the set limit.
  • Page 129 Installation Guide ECL Comfort 310, application A376 13037 Adapt. time (adaptation time) Circuit Setting range Factory setting The adaptation function can correct the desired flow temperature 25 s OFF / 1 ... 50 s with max. 8 K. Controls how fast the return temperature adapts to the desired return temperature limit (I control).

  • Page 130: Flow / Power Limit

    Installation Guide ECL Comfort 310, application A376 7.3 Flow / power limit Please see the explanation for flow and power limit in circuit 1. Flow / power At DHW heating the flow / power limit can be set to a fixed value.
  • Page 131 Installation Guide ECL Comfort 310, application A376 13113 Filter constant Circuit Setting range Factory setting 1 ... 50 The actual filter dampens the flow / power input data by the set factor. Minor dampening (low filter constant) Major dampening (high filter constant)

  • Page 132: Control Parameters

    Auto tuning is only applicable in connection with valves that are adjusted to the relevant value (see table). approved for auto tuning, i.e. the Danfoss types VB 2 and VM 2 with split characteristic as well as logarithmic valves such as VF and VFS.
  • Page 133 Installation Guide ECL Comfort 310, application A376 Xp actual — A376.2 Circuit Setting range Factory setting Read-out only ‘Xp actual’ is the read-out of the actual Xp (proportional band) based on the supply temperature. Xp is determined by settings related to the supply temperature.
  • Page 134 Installation Guide ECL Comfort 310, application A376 13186 M run (running time of the motorized control valve) — How to calculate the running time of a motorized control valve A376.9 The running time of the motorized control valve is calculated using...
  • Page 135 Installation Guide ECL Comfort 310, application A376 Setting example Value x 20 ms Min. act. time (min. activation time gear motor) 13189 40 ms Circuit Setting range Factory setting 200 ms 2 ... 50 1000 ms The min. pulse period of 20 ms (milliseconds ) for activation of the gear motor.
  • Page 136 Installation Guide ECL Comfort 310, application A376 13095 Close time — A376.2 Circuit Setting range Factory setting 2.0 s OFF / 0.1 ... 25.0 s The ‘Close time’ is the forced time (in seconds) that it takes to close the motorized control valve when a tapping is stopped (the flow switch is deactivated).
  • Page 137 Installation Guide ECL Comfort 310, application A376 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 138: Application

    Installation Guide ECL Comfort 310, application A376 7.5 Application 13500 Send desired T Circuit Setting range Factory setting In the master controller, 'Demand offset' must be set to a value in order OFF / ON to react on a desired flow temperature from a slave controller.
  • Page 139 Installation Guide ECL Comfort 310, application A376 13078 P heat T (heat demand) Circuit Setting range Factory setting The valve is fully closed as long as the pump is not switched on. 5 ... 40 °C 20 °C When the desired flow temperature is above the set temperature in ‘P heat T’ , the controller automatically switches ON the circulation pump.
  • Page 140 Installation Guide ECL Comfort 310, application A376 13141 Ext. input (external override) — ECL 310 Circuit Setting range Factory setting OFF / S1 ... S10 Choose the input for 'Ext. input' (external override). By means of a switch the controller can be overridden to ‘Comfort’ or ‘Saving’ mode.

  • Page 141: Anti-Bacteria

    Installation Guide ECL Comfort 310, application A376 7.6 Anti-bacteria On selected days during the week the DHW temperature can Desired temp. 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 142 Installation Guide ECL Comfort 310, application A376 Start time Circuit Setting range Factory setting 00:00 ... 23:30 00:00 Set the start time for the anti-bacteria function. Duration Circuit Setting range Factory setting 10 ... 600 m 120 m Set the duration (minutes) for the anti-bacteria function.

  • Page 143: Water Meter

    Installation Guide ECL Comfort 310, application A376 7.7 Water meter CW consump. — A376.9 Circuit Setting range Factory setting Read-out only The displayed value (actual value) is based on pulses from the cold water meter and 'Pulse value' (13513). 13513 Pulse value —...

  • Page 144: Alarm

    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). The alarm relay can activate a lamp, a horn, an input to an alarm transmitting device etc.
  • Page 145 Installation Guide ECL Comfort 310, application A376 13149 Delay Temp. Circuit Setting range Factory setting Flow temp. 1 ... 99 m 10 m If an alarm condition from either 'Upper difference' or 'Lower difference' is present for a longer time than the set delay (in min.), the alarm function is activated.

  • Page 146: Common Controller Settings

    Installation Guide ECL Comfort 310, application A376 8.0 Common controller settings 8.1 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 147: Time & Date

    Installation Guide ECL Comfort 310, application A376 8.2 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 148: Schedule Output

    Installation Guide ECL Comfort 310, application A376 8.3 Schedule output Application A376.9 only: Besides the week schedules for the circuits 1, 2 and 3, this week schedule controls relay output R6. The week schedule is set in the same way as the week schedules for circuits 1, 2 and 3.

  • Page 149: Holiday

    Installation Guide ECL Comfort 310, application A376 8.4 Holiday There is a holiday program for each circuit and a holiday program for the common controller. Each holiday program contains one or more schedules. Each The holiday program in the ‘Common controller settings’ is valid for schedule can be set to a start date and an end date.
  • Page 150 Installation Guide ECL Comfort 310, application A376 The ECA 30 / 31 cannot override the holiday schedule of the controller temporarily. However, it is possible to make use of the following options from Energy-saving trick: the ECA 30 / 31 when the controller is in scheduled mode: Use 'Going out' (the extended saving period) for airing purposes (e.g.

  • Page 151: Input Overview

    Installation Guide ECL Comfort 310, application A376 8.5 Input overview The input overview is located in the common controller settings. This overview will always show you the actual temperatures in the system (read-only). Danfoss District Energy VI.GU.B1.02 DEN-SMT/DK...

  • Page 152: Log

    Installation Guide ECL Comfort 310, application A376 8.6 Log The log function (temperature history) allows you to monitor the logs of today, yesterday, the past 2 days as well as the past 4 days for the connected sensors. There is a log display for the relevant sensor, showing the measured temperature.

  • Page 153: Output Override

    Installation Guide ECL Comfort 310, application A376 8.7 Output override The output override is used to disable one or more of the controlled components. This could among others be useful in a service situation. Controlled components Circuit selector Action: Purpose:...

  • Page 154: Key Functions

    Installation Guide ECL Comfort 310, application A376 8.8 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 application and its subtypes of the ECL key in question.

  • Page 155: System

    In ‘M-bus config’ M-bus related parameters are to be set. 8.9.6 Energy Meters The ECL Comfort 310 allows communication with up to 5 energy meters via M-bus. In ‘Energy Meters’ data can be read the from M-bus connected energy meters Danfoss District Energy VI.GU.B1.02...
  • Page 156 Installation Guide ECL Comfort 310, application A376 8.9.7 Raw input overview Measured temperatures, input status and voltages are displayed. In addition, a detection of malfunctions can be chosen for activated temperature inputs. The temperature sensor inputs have a measuring range from -60 ...
  • Page 157 Installation Guide ECL Comfort 310, application A376 8.9.9 Communication Modbus addr. Circuit Setting range Factory setting 1 ... 247 Set the Modbus address if the controller is part of a Modbus network. 1 ... 247: Assign the Modbus address within the stated setting range.
  • Page 158 Installation Guide ECL Comfort 310, application A376 Ext. reset 2151 Factory setting Circuit Setting range 0 / 1 This setting is only used in connection with set-up of Modbus communication. 8.9.10 Language Language 2050 Circuit Setting range Factory setting Local language is selected during installation. If you want to change to English / ‘Local’...

  • Page 159: Miscellaneous

    Installation Guide ECL Comfort 310, application A376 9.0 Miscellaneous 9.1 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 160 Installation Guide ECL Comfort 310, application A376 SLAVE controller: How to make use of the outdoor temperature signal and send information about the desired flow temperature back to the MASTER controller In the MASTER controller, the address in ‘ECL 485 addr. (master / slave address)’...

  • Page 161: Frequently Asked Questions

    'Common controller settings' >'Key functions' > 'Application'. The system type (e.g. TYPE A266.1) and the system diagram is displayed. Order a replacement from your Danfoss representative (e.g. ECL Application Key A266). Insert the new ECL Application Key and copy your personal settings from the controller to the new ECL Application Key, if required.
  • Page 162 Installation Guide ECL Comfort 310, application A376 How to react on alarms? An alarm indicates that the system is not operating satisfactorily. Please contact your installer. What does P and PI control mean? P control: Proportional control. By using a P control, the controller will change the flow temperature proportional to the difference between a desired and an actual temperature, e.g.

  • Page 163: Definitions

    Installation Guide ECL Comfort 310, application A376 9.3 Definitions The definitions apply to the Comfort 210 as well as ECL Comfort 310 series. Consequently, you might come across expressions that are not mentioned in your guide. Air duct temperature Temperature measured in the air duct where the temperature is to be controlled.
  • Page 164 Installation Guide ECL Comfort 310, application A376 Flow temperature reference Temperature calculated by the controller on basis of the outdoor temperature and influences from the room and / or return temperatures. This temperature is used as a reference for the control.
  • Page 165 Installation Guide ECL Comfort 310, application A376 Saving temperature Temperature maintained in the heating / DHW circuit during saving temperature periods. Pump control One circulation pump is working and the other is the spare circulation pump. After a set time, the roles are exchanged.
  • Page 166 Installation Guide ECL Comfort 310, application A376 Installer: Date: Danfoss District Energy DEN-SMT/DK VI.GU.B1.02...
  • Page 167 Installation Guide ECL Comfort 310, application A376 *087H9059* *VIGUB102* Produced by Danfoss A/S © 02/2011...

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