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Danfoss ECL Comfort 210 Installation Manual

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Installation Guide
ECL Comfort 210 / 310, application A237 / A337

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.3
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.4
Placing the temperature sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.5
Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.6
Inserting the ECL Application Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
2.7
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.8
Navigation, ECL Application Key A237 / A337 . . . . . . . . . . . . . . . . 48
3.0 Daily use ......................................................... 54
3.1
How to navigate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.2
Understanding the controller display . . . . . . . . . . . . . . . . . . . . . . . . . . 55
3.3
3.4
Monitoring temperatures and system
components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3.5
Influence overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
3.6
Manual control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
3.7
Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.0 Settings overview ............................................ 63
5.0 Settings, circuit 1 ............................................. 66
5.1
Flow temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
5.2
Room limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
5.3
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.4
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
5.5
Optimization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
5.6
Control parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
5.7
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
5.8
Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Danfoss District Energy
6.0 Settings, circuit 2 ............................................. 93
6.1
Tank temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
6.2
Return limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
6.3
Flow / power limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
6.4
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
6.5
Anti-bacteria. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
7.0 Common controller settings............................ 105
7.1
Introduction to 'Common controller settings' . . . . . . . . . . . . . . 105
7.2
Time & Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.3
Holiday . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
7.4
Input overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
7.5
Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
7.6
Output override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
7.7
Key functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
7.8
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
8.0 Miscellaneous ................................................ 116
8.1
Frequently asked questions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
8.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
VI.LG.R1.02
DEN-SMT/DK
1

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  • Page 1: Table Of Contents

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 1.0 Table of Contents 1.0 Table of Contents ..........1 6.0 Settings, circuit 2 ..........93 Important safety and product information..... 2 Tank temperature.

  • Page 2: Important Safety And Product Information

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 1.1 Important safety and product information 1.1.1 Important safety and product information This Installation Guide is associated with ECL Application Key A237 (order code no. 087H3806). The A237 Key contains two sets of applications: one set (A237.1 / A237.2) and another set (A337.1 / A337.2).
  • Page 3 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Safety Note To avoid injury of persons and damages to the device, it is absolutely necessary to read and observe these instructions carefully. Necessary assembly, start-up, and maintenance work must be performed by qualified and authorized personnel only.
  • Page 4 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Disposal Note This product should be dismantled and its components sorted, if possible, in various groups before recycling or disposal. Always follow the local disposal regulations. Danfoss District Energy DEN-SMT/DK VI.LG.R1.02...

  • Page 5: Installation

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.0 Installation 2.1 Before you start The two applications, A237.1 / A337.1 are almost identical. Typical A237.1 / A337.1 application: However, A337.1 has some extra functions which are described additionally.
  • Page 6 Installation Guide ECL Comfort 210 / 310, application A237 / A337 DHW (circuit 2): A237.1 / A337.1 example a: By means of a week schedule (up to 3 Comfort periods / day), the DHW circuit can be in ‘Comfort’ or ‘Saving’ mode (two different ECL 210 / (310) temperature values for desired DHW temperature).
  • Page 7 ECL Comfort 310 the M-bus data can furthermore be transferred to the Modbus communication. Alarm relay (in ECL Comfort 210 it is R4 and in ECL Comfort 310 R6) can be activated if the actual flow temperature differs from the desired flow temperature.
  • Page 8 Installation Guide ECL Comfort 210 / 310, application A237 / A337 The two applications, A237.2 / A337.2 are almost identical. Typical A237.2 / A337.2 application: However, A337.2 has some extra functions which are described additionally. The applications A237.2 / A337.2 are very flexible. These are the...
  • Page 9 Installation Guide ECL Comfort 210 / 310, application A237 / A337 DHW (circuit 2): A237.2 / A337.2 example a: 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 10 Application A237.2 (used in ECL Comfort 210) / A337.2 (used in ECL Comfort 310) in general: A connected flow or energy meter (in ECL Comfort 210 it is based on pulse signals and in ECL Comfort 310 based on M-bus signal) can limit the flow or energy to a set maximum but also in relation to the outdoor temperature.

  • Page 11: Identifying The System Type

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 12 Installation Guide ECL Comfort 210 / 310, application A237 / A337 A237.1 / A337.1, example b Indirectly connected system and secondarily connected DHW tank with internal heat exchanger (DHW priority) ECL 210 / (310) R4 / (R6) P2 / M2* Special settings for type A237.1 / A337.1, example b:...
  • Page 13 Installation Guide ECL Comfort 210 / 310, application A237 / A337 A237.1 / A337.1, example d Directly connected system and DHW tank with internal heat exchanger (optional DHW priority) ECL 210 / (310) R4 / (R6) Special settings for type A237.1 / A337.1, example d:...
  • Page 14 Installation Guide ECL Comfort 210 / 310, application A237 / A337 A237.2 / A337.2, example b Indirectly connected system and secondarily connected DHW charging system (DHW priority) ECL 210 / (310) (R6) P2 / M2* Special settings for type A237.2 / A337.2, example b:...

  • Page 15: Mounting

    Mounting on a wall • Mounting on a DIN rail (35 mm) 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 controller In order to fasten the ECL Comfort controller to its base part, secure the controller with the locking pin.
  • Page 16 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 17 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 18: 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 and 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 19 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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...

  • Page 20: Electrical Connections

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 DEN-SMT/DK VI.LG.R1.02...
  • Page 21 Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.5.2 Electrical connections, 230 V a.c., power supply, pumps, motorized control valves etc. Application A237.1 Terminal Description Max. load Alarm 4 (2) A / 230 V a.c.* Phase for circulation pumps / changeover valve 4 (2) A / 230 V a.c.*...
  • Page 22 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Application A237.2 ECL 210 / 230 V a.c. Terminal Description Max. load Phase for DHW charging pump, circuit 2 4 (2) A / 230 V a.c.* DHW charging pump ON / OFF, circuit 2...
  • Page 23 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Application A337.1 ECL 310 / 230 V a.c. Terminal Description Max. load- Phase for alarm output Alarm 4 (2) A / 230 V a.c.* Do not use Interconnection for phase...
  • Page 24 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Application A337.2 ECL 310 / 230 V a.c. Terminal Description Max. load Phase for alarm output Alarm 4 (2) A / 230 V a.c.* Do not use Phase for DHW charging pump, circuit 2 4 (2) A / 230 V a.c.*...
  • Page 25 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 26 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 27 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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.LG.R1.02...
  • Page 28 Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.5.4 Electrical connections, 24 V a.c. (ECL 310 only), power supply, pumps, motorized valves etc. Application A237.1 Description Terminal Max. load Alarm 4 (2) A / 24 V a.c.* Phase for circulation pumps / changeover valve 4 (2) A / 24 V a.c.*...
  • Page 29 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly. Use auxilliary relays (K) to separate 230 V a.c. from 24 V a.c.
  • Page 30 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Application A237.2 Terminal Description Max. load Phase for DHW charging pump, circuit 2 DHW charging pump ON / OFF, circuit 2 4 (2) A / 24 V a.c.* Phase for circulation pumps / changeover valve DHW circulation pump ON / OFF, circuit 2 4 (2) A / 24 V a.c.*...
  • Page 31 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly. Use auxilliary relays (K) to separate 230 V a.c. from 24 V a.c.
  • Page 32 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Application A337.1 ECL 310 / 24 V a.c. Terminal Description Max. load Phase for alarm output Alarm 4 (2) A / 24 V a.c.* Do not use Interconnection for phase 4 (2) A / 24 V a.c.*...
  • Page 33 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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. Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly.
  • Page 34 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Application A337.2 ECL 310 / 24 V a.c. Terminal Description Max. load Phase for alarm output Alarm 4 (2) A / 24 V a.c.* Do not use Phase for DHW charging pump, circuit 2 4 (2) A / 24 V a.c.*...
  • Page 35 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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. Do not connect 230 V a.c. powered components to a 24 V a.c. power supplied controller directly.
  • Page 36 Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.5.5 Electrical connections, Pt 1000 temperature sensors and signals A237/ A337: Terminal Sensor / description Type ECL 210 / 310 (recomm.) 29 and 30 S1 Outdoor temperature ESMT sensor*...
  • Page 37 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Connection of flow / heat meter with pulse signal Connection of voltage signal (0–10 V) for external control of ECL 310 desired flow temperature Wire cross section for sensor connections: Min. 0.4 mm².
  • Page 38 Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.5.6 Electrical connections, ECA 30 / 31 Type Terminal Terminal Description ECA 30 / 31 ECA 30 / 31 (recomm.) ECL 210 / 310 Twisted pair Cable 2 x...
  • Page 39 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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). 2.5.7 Electrical connections, master / slave systems...
  • Page 40 Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.5.8 Electrical connections, communication Electrical connections, Modbus ECL 210 / 310 Electrical connections, M-bus ECL 310 Danfoss District Energy DEN-SMT/DK VI.LG.R1.02...

  • Page 41: Inserting The Ecl Application Key

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 42 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Automatic update of controller software: The software of the controller is updated automatically when the key is inserted (as of controller version 1.11). The following animation will be shown when the software is being updated:...
  • Page 43 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 210 / 310, application A237 / A337 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 210 / 310, application A237 / A337 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 •...
  • Page 46 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 210 / 310, application A237 / A337 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 A237 / A337

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 2.8 Navigation, ECL Application Key A237 / A337 Navigation, application A237.1 / A337.1 (* A237.1 only, ** A337.1 only) Home Heating, circuit 1 DHW, circuit 2 ID no. Function ID no.
  • Page 49 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Navigation, application A237.1 / A337.1, continued (* A337.1 only) Home Heating, circuit 1 DHW, circuit 2 ID no. Function ID no. Function MENU 11010 12051 Settings Application ECA addr.
  • Page 50 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Navigation, application A237.1 / A337.1, Common controller settings (* A337.1 only) Home Common controller settings MENU ID no. Function Time & Date Selectable Holiday Selectable Input overview Outdoor T Outdoor acc.
  • Page 51 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Navigation, application A237.2 / A337.2 (* A237.2 only, ** A337.2 only) Home Heating, circuit 1 DHW, circuit 2 ID no. Function ID no. Function Schedule Selectable Selectable Schedule circ. P...
  • Page 52 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Navigation, application A237.2 / A337.2, continued (* A337.2 only) Home Heating, circuit 1 DHW, circuit 2 ID no. Function ID no. Function MENU 11010 12051 Settings Application ECA addr.
  • Page 53 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Navigation, application A237.2 / A337.2, Common controller settings (* A337.2 only) Home Common controller settings MENU ID no. Function Time & Date Selectable Holiday Selectable Input overview Outdoor T Outdoor acc.

  • Page 54: Daily Use

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 55: Understanding The Controller Display

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 56 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 57 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Setting the desired DHW temperature The desired DHW temperature can easily be adjusted in the overview displays for the DHW circuit. Action: Purpose: Examples: Desired DHW temperature Confirm Adjust the desired DHW temperature...

  • Page 58: A General Overview: What Do The Symbols Mean

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 3.3 A general overview: What do the symbols mean? Symbol Description Symbol Description Alarm Outdoor temp. Monitoring temperature sensor connection Relative humidity indoor Temperature Display selector Room temp. Max. and min. value DHW temp.
  • Page 59 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 60: Influence Overview

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 61: Manual Control

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 62: Schedule

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 63: Settings Overview

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 64 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Setting Page Factory settings in circuit(s) Nz (neutral zone) 11187 Min. act. time (min. activation time gear motor) 11189 ECA addr. (choice of Remote Control Unit) 11010 Demand offset...
  • Page 65 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Setting Page Factory settings in circuit(s) Backlight (display brightness) 60058 Contrast (display contrast) 60059 Modbus addr. ECL 485 addr. (master / slave address) 2048 Service Pin 2150 Ext. reset...

  • Page 66: Settings, Circuit 1

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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.
  • Page 67 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Choosing a heat curve slope 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 68 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 Desired flow temp.

  • Page 69: Room Limit

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 70 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Room limit 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 71: Return Limit

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 72 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Return limit 11033 Low T out X2 (return temp. limitation, low limit, X-axis) Circuit Setting range Factory setting -60 ... 20 °C -15 °C Set the outdoor temperature for the high return temperature limitation.
  • Page 73 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Return limit 11037 Adapt. time (adaptation time) The adaptation function can correct the desired flow temperature Circuit Setting range Factory setting with max. 8 K.

  • Page 74: Flow / Power Limit

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 5.4 Flow / power limit Depending on controller type, the flow / power limit is based on Flow / power limitation different input types: ECL Key ECL Comfort 210...
  • Page 75 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Flow / power limit 11117 Low limit Y1 (flow / power limitation, low limit, Y-axis) The limitation function can overrule the set 'Temp. min' of the desired...
  • Page 76 Setting range Factory setting Flow or power limitation is based on pulse signals. OFF / IM1 Choice of pulse type signal applied to input S7. Possible in ECL Comfort 210 as well as ECL Comfort 310 controllers. OFF: No input.
  • Page 77 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Units — ECL Key A3xx 11115 Circuit Setting range Factory setting List for setting range of 'Units': See the list Choice of units for measured values. m³/h Flow values are expressed as l/h or m³/h Power values are expressed as kW, MW or GW.

  • Page 78: Optimization

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 5.5 Optimization MENU > Settings > Optimization Reduction 11011 Auto saving (saving temp. dependent on outdoor temp.) Factory setting Circuit Setting range 100% OFF / -29 ... 10 °C -15 °C...
  • Page 79 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Optimization 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 80 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Optimization Example: Optimization of Comfort from 07:00 - 22:00 11026 Pre-stop (optimized stop time) 07:00 22:00 Circuit Setting range Factory setting Schedule OFF / ON Disable the optimized stop time.
  • Page 81 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Optimization Temp. Actual outdoor temp. Accumulated outdoor temp. Summer, cut-out 11179 Circuit Setting range Factory setting 18 °C OFF / 1 ... 50 °C 20 °C The heating can be switched OFF when the outdoor temperature is higher than the set value.

  • Page 82: Control Parameters

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 5.6 Control parameters MENU > Settings > Control par. 11174 Motor pr. (motor protection) Factory setting Recommended for heating systems with variable load. Circuit Setting range OFF / 10 ... 59 m Prevents the controller from unstable temperature control (and resulting actuator oscillations).
  • Page 83 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Control par. 11187 Nz (neutral zone) The neutral zone is symmetrical around the desired flow temperature Circuit Setting range Factory setting value, i.e. half the value is above and half the value is below this 1 ...
  • Page 84 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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.). •...

  • Page 85: Application

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 5.7 Application MENU > Settings > Application 11010 ECA addr. (choice of Remote Control Unit) The Remote Control Unit has no influence on the DHW control. Circuit Setting range...
  • Page 86 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 87 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Application 11077 P frost T Under normal conditions, your system is not frost protected if your Circuit Setting range Factory setting setting is below 0 °C or OFF.
  • Page 88 Installation Guide ECL Comfort 210 / 310, application A237 / A337 11141 Ext. input (external override), ECL 210 Circuit Setting range Factory setting OFF / S1 ... S8 Choose the input for 'Ext. input' (external override). By means of a switch the controller can be overridden to Comfort or Saving mode.
  • Page 89 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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’...
  • Page 90 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Application 11142 Ext. mode (external override mode) See also ‘Ext. input’ . Circuit Setting range Factory setting COMFORT / SAVING SAVING Choose external override mode.

  • Page 91: Alarm

    ECL Comfort 210 / 310, application A237 / A337 5.8 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).

  • Page 92: Danfoss District Energy

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Alarm > Temp. monitor Lowest temp. 11150 If the cause of the alarm disappears, the alarm indication and output Circuit Setting range Factory setting also disappear. 10 ... 50 °C 30 °C...

  • Page 93: Settings, Circuit 2

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 6.0 Settings, circuit 2 6.1 Tank temperature 12193 Charge difference Temp. Circuit Setting range Factory setting Charge difference 1 ... 50 K 15 K Set the number of degrees above the desired DHW temperature that will Stop difference result in the DHW heating (charging) temperature.
  • Page 94 Installation Guide ECL Comfort 210 / 310, application A237 / A337 One DHW tank temperature sensor (example with positive ‘Stop 12194 Stop difference difference’ value): Circuit Setting range Factory setting Temp. –50 ... 50 K One DHW tank temperature sensor:...
  • Page 95 Installation Guide ECL Comfort 210 / 310, application A237 / A337 12152 Max. charge T Charging principle Circuit Setting range Factory setting 10 ... 110 °C 80 °C Set the max. temperature at S3 for heating the DHW 10 ... 110: Set the temperature.

  • Page 96: Return Limit

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 6.2 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 97: Flow / Power Limit

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 6.3 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 98: Application

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 6.4 Application 12051 Ch.-o. valve / P (changeover valve / pump) Circuit Setting range Factory setting When the changeover valve is chosen, pump P1 is ON at heating as OFF / ON well as at DHW heating demand.
  • Page 99 Installation Guide ECL Comfort 210 / 310, application A237 / A337 12045 DHW deact. time Circuit Setting range Factory setting 1 ... 250 m 60 m Set the time (minutes) that must elapse after a DHW heating period before a new DHW heating period can be started.
  • Page 100 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Application 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.
  • Page 101 Installation Guide ECL Comfort 210 / 310, application A237 / A337 12141 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’...
  • Page 102 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Application 12142 Ext. mode (external override mode) See also ‘Ext. input’ . Circuit Setting range Factory setting COMFORT / SAVING SAVING Choose external override mode.

  • Page 103: Anti-Bacteria

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 6.5 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 104 Installation Guide ECL Comfort 210 / 310, application A237 / A337 MENU > Settings > Anti-bacteria Start time Circuit Setting range Factory setting 00:00 ... 23:30 00:00 Set the start time for the anti-bacteria function. MENU > Settings > Anti-bacteria...

  • Page 105: Common Controller Settings

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.0 Common controller settings 7.1 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.

  • Page 106: Time & Date

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.2 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 107: Holiday

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.3 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 108 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 109: Input Overview

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.4 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). In addition to the measured temperatures, pressures, pressure...

  • Page 110: Log

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.5 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.

  • Page 111: Output Override

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.6 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...

  • Page 112: Key Functions

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.7 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 application and its subtypes of the ECL key in question.

  • Page 113: System

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.8 System 7.8.1 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 114 Installation Guide ECL Comfort 210 / 310, application A237 / A337 2048 ECL 485 addr. (master / slave address) Circuit Setting range Factory setting The total cable length of max. 200 m (all devices incl. the internal ECL 0 ... 15 485 communication bus) should not be exceeded.
  • Page 115 Installation Guide ECL Comfort 210 / 310, application A237 / A337 7.8.4 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 116: Miscellaneous

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 8.0 Miscellaneous 8.1 Frequently asked questions 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.
  • Page 117 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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.

  • Page 118: Definitions

    Installation Guide ECL Comfort 210 / 310, application A237 / A337 8.2 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.
  • Page 119 Installation Guide ECL Comfort 210 / 310, application A237 / A337 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 120 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Schedule Schedule for periods with comfort and saving temperatures. The schedule can be made individually for each week day and may consist of up to 3 comfort periods per day.
  • Page 121 Installation Guide ECL Comfort 210 / 310, application A237 / A337 Installer: Date: Danfoss District Energy VI.LG.R1.02 DEN-SMT/DK...
  • Page 122 Installation Guide ECL Comfort 210 / 310, application A237 / A337 *087H9034* *VILGR102* Produced by Danfoss A/S © 11/2010...

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