Danfoss ECL Comfort L76 User Manual
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Danfoss ECL Comfort L76 User Manual

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L76
ECL Comfort
User's Guide
*087R8177*
*VIKMK202*
Installer's Guide

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Summary of Contents for Danfoss ECL Comfort L76

  • Page 1 ECL Comfort User's Guide *087R8177* *VIKMK202*  Installer's Guide...
  • Page 2 The shown diagram is a fundamental and simplified example and does not contain all components that are necessary in a system. If the system you are about to install differs from the shown diagram of a standard heating system, feel free to sketch an outline for comparison.

  • Page 3: Table Of Contents

    Table of Contents Sections in the Installer’s Guide The documentation for the ECL Comfort controller is composed of numbered sections. Only sections relevant to your ECL Comfort controller are included here. Before you start Installation Identifying the system type Mounting the ECL Comfort controller Electrical connections 230 V a.c.
  • Page 4 Before you start 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 in section 10, you may want to make a sketch of the system about to be installed.

  • Page 5: Identifying The System Type

    Identifying the system type The ECL Comfort controller is a universal controller that can 10.2 Indirectly connected heating system and DHW be used for various systems. Based on the shown standard circuit according to flow principle systems, it is possible to configure additional systems. In this section you find the most frequently used systems.

  • Page 6: Mounting The Ecl Comfort Controller

    Mounting the ECL Comfort controller For easy access, you should mount the ECL Comfort controller near the system. Select one of the three following methods: • Mounting on a wall • Mounting on a DIN rail • Mounting in a panel Screws and rawlplugs are not supplied.

  • Page 7: Electrical Connections 230 V A.c

    Electrical connections - 230 V a.c. - in general 230 V a.c. connections Terminal Description Max. load Supply voltage 230 V a.c. Supply voltage 230 V a.c. Actuator - open, circuit I, 3 M1 0.2 A / 230 V a.c. heating 4 M1 Actuator - close, circuit I, heating 0.2 A / 230 V a.c.

  • Page 8: Connecting And 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. Terminal Description Type (recomm.)
  • Page 9 Connecting the room panel / remote control The ECA 60 / 61 / 62 / 63 is activated by the setting in line 10 (section 32). The ECA 60 / 61 / 62 / 63 is powered by the system device bus which means that the bus must be active.

  • Page 10: Inserting The Ecl Card

    Inserting the ECL Card Understanding the ECL Card The ECL Card contains factory settings for a standard system. If the actual system differs from the standard system, the controller must be adjusted accordingly. After the adjustment, the new settings should be stored on the ECL Card.

  • Page 11: Adjusting The Ecl Card Settings

    Adjusting the ECL Card Setting the time and date - settings line A General principles Actual time When the controller is connected and operating you can check and adjust all or some of the basic settings. Turn the ECL Card so that the grey side is facing you (see the example below).

  • Page 12: Monitoring Temperatures And System Units - Line B

    Manual control - Monitoring temperatures line B and system units - line B Shift to manual mode. Controlled units Controlled units Controller mode Flow temp. Return temp. (S3) (S2) Push and hold the shift button to see: - the calculated flow temperature Choose the unit you want to control.

  • Page 13: Setting The Heat Curve - Line C

    Setting the heat curve - line C Parallel displacement Circuit Setting range Factory setting Slope I / II -9 ... 9 K 0 / 0 K Displacement If you want to adjust the parallel displacement of the heat curve, push the shift button. The symbol for the parallel displacement will blink.

  • Page 14: Heating Cut-Out - Line

    Heating cut-out - Flow temperature limits - line 1 line 2 Min. flow Max. flow temp. temp. Setting range Limit for heating cut-out Flow temperature limits, min. and max. Circuit Setting range Factory setting Circuit Setting range Factory setting I / II 10 ...

  • Page 15: Room Temperature Influence - Line

    Room temperature influence - line 3 B: Reference room temperature control Used if your system is not equipped with thermostats and you select the room with room temperature sensor as a This section is only relevant if you have installed a room temperature sensor or ECA 60 / ECA 61 / ECA 62 / ECA 63.
  • Page 16 Control parameters - lines 4-7, circuit I / II (heating) Proportional band, Xp Neutral zone, Nz Circuit Setting range Factory setting Circuit Setting range Factory setting 1 ... 250 K 200 K 0 ... 9 K Set the proportional band. Set the neutral zone to a high value if you can A higher value will result in a stable but slow accept a high variation in flow temperature.
  • Page 17 Control parameters - lines 4-7, circuit Neutral zone, Nz Circuit Setting range Factory setting Actual Xp 0 ... 9 K Set the neutral zone to a high value if you can accept a high variation in flow temperature. When the actual flow temperature is within the neutral zone, the controller does not activate the Proportional band, Xp motorized valve.

  • Page 18: Check List

    Check list ✓ ✓ Is the ECL Comfort controller ready for use? Adapting the ECL Comfort controller to the system Make sure that the correct power supply is Turn the ECL Card so that the grey side faces you connected to terminals 1 (Live) and 2 (Neutral). See and push , if necessary.

  • Page 19: Ecl Card Settings

    ECL Card settings ECL Card settings (circuit I) (circuits II / III) Time and date Time and date Section 17 Section 17 System information System information Sections 18 & 19 Sections 18 & 19 Heat curve Heat curve Section 20 Section 20 Setting ranges Factory settings...
  • Page 20 Service parameters (10-199) Service parameters (10-199) Circuit I (Heating I) Circuit II (Heating II) Lines Setting ranges Factory settings Your settings Lines Setting ranges Factory settings Your settings 10 Choice of room panel / remote control 10 Choice of room panel / remote control 1 ...

  • Page 21: Service Parameters

    Service parameters (10-199) Circuit III DHW Lines Setting ranges Factory settings Your settings 78 Desired temperature for anti-bacteria function OFF / 1 ... 100 °C °C 80 Anti-bacteria function period 5 ... 250 min. 120 min. min. 138 Forced running time of the motorized control valve at DHW demand OFF / 0.1 ...

  • Page 22: Adjusting The Service Parameters

    If you want to copy the new settings to the ECL Card Set the ramping time for the controller. (recommended by Danfoss), see section 34. Make a note of your new settings in the parameter list in section Temperature °C When you have entered all your personal settings, turn the ECL Card over so that the yellow side faces you.
  • Page 23 Service parameter(s) 14 Service parameter(s) 15-17 14 Optimizing time constant 15 Adaptive function of room temperature Circuit Setting range Factory setting Circuit Setting range Factory setting I / II OFF / 10 ... 59 OFF / OFF I / II OFF / 1 ...
  • Page 24 Service parameter(s) 21 Service parameter(s) 22-23 21 Total stop 22 Pump exercise Circuit Setting range Factory setting Circuit Setting range Factory setting I / II ON / OFF OFF / OFF I / II ON / OFF ON / ON Decide whether you want a total stop during the setback Exercises the pump to avoid blocking in periods without heat temperature period.
  • Page 25 Service parameter(s) 31-34 Service parameter(s) 35 31-34 Return temperature limitation 35 Return temperature influence - max. limitation Circuit Setting range Factory setting The return temperature limitation is based on the outdoor I / II -9.9 ... 0 ... 9.9 -2.0 / -2.0 temperature.
  • Page 26 Service parameter(s) 37 Service parameter(s) 43 37 Time constant for return temperature limitation 43 Parallel operation of DHW and heating circuits Circuit Setting range Factory setting Circuit Setting range Factory setting I / II OFF / 1 ... 50 25 / 25 I / II OFF / 1 ...
  • Page 27 Service parameter(s) 52-80 Service parameter(s) 138 Forced running time of the motorized control valve at 52 Closed valve / normal operation DHW demand Circuit Setting range Factory setting Circuit Setting range Factory setting I / II ON / OFF OFF / OFF OFF / 0.1 ...
  • Page 28 Service parameter(s) 141 Service parameter(s) 147 147 Acceptable temperature deviation below desired flow 141 Override input selection temperature (ΔT1 ALARM Circuit Setting range Factory setting Circuit Setting range Factory setting I / II OFF / 1 ... 6 OFF / OFF I / II OFF / 1 ...
  • Page 29 Service parameter(s) 148 Service parameter(s) 149 148 Acceptable temperature deviation above the desired 149 Time interval Δt before activation ALARM flow temperature (ΔT2 of alarm function ALARM Circuit Setting range Factory setting Circuit Setting range Factory setting I / II 1 ...
  • Page 30 Service parameter(s) 157 Service parameter(s) 158 157 Acceptable temperature deviation below desired flow 158 Acceptable temperature deviation above desired flow temperature (ΔT1 temperature (ΔT2 ALARM ALARM Circuit Setting range Factory setting Circuit Setting range Factory setting OFF / 1 ... 30 K 1 ...
  • Page 31 Service parameter(s) 159 Service parameter(s) 184-187 159 Time interval Δt before activation 184 Proportional band, Xp ALARM of alarm function Circuit Setting range Factory setting Circuit Setting range Factory setting 1 ... 250 K 200 K 1 ... 99 min. 10 min.
  • Page 32 Service parameter(s) 196-198 Service parameter(s) 199 196 Service pin - LON 199 Master / slave address Circuit Setting range Factory setting Circuit Setting range Factory setting ON / OFF 0 ... 9, 15 This setting is only used in connection with LON communication The setting is relevant when more controllers are working in the (see the documentation for the used communication unit).

  • Page 33: Copying With The Ecl Card

    Copying with the ECL Card Check the ECL Card and the software generations (see Copy personal settings to additional controller(s) in following example). identical systems Ensure that the other controller(s) use(s) the same ECL Card Insert the ECL Card with the yellow side facing you. type.
  • Page 34 Definitions Air duct temperature Humidity, relative Temperature measured in the air duct where the temperature is This value (stated in %) refers to the indoor moisture content to be controlled. compared to the max. moisture content. The relative humidity is measured by the ECA 62 / 63 and is used for the calculation of Balance temperature the dew point temperature.
  • Page 35 How to restore your personal settings? Order a replacement from your Danfoss representative. Insert the ECL Card with the yellow side facing you. Go to line Insert the new ECL Card with the yellow side facing you and 9 (is not displayed), which is the second line below line 7.
  • Page 36 Advantages of the ECL Card Save your personal settings to the ECL Card Restore ECL Card data Go to line 9 (is not displayed), which is the second After establishing your favorite temperatures, comfort line below line 7. periods etc., and after copying these to the ECL Card, you can set alternative settings.
  • Page 37 Set your personal schedule Monitor the current schedules Add an extra comfort period To see your individual schedules for: Push the shift and + button simultaneously for Circuit I / II: 2 seconds. Select between lines 1 - 7 (Monday, Tuesday ..Sunday) Circuit III:...
  • Page 38 Select circuit mode Set your room and DHW temperature During scheduled operation (clock), the state indicator (a white arrow) will show you the control mode of the selected Go to display A. circuit. The white arrow will blink when this is a heating circuit and it is in the optimizing period.

  • Page 39: Choose Your Favorite Display

    Choose your favorite display Choose your favorite (circuit I) display (circuit II) Choose the display - A, B, or C - for daily Choose the display - A, B, or C - for daily operations. operations. Room temperature - display A Room temperature - display A Room temp.
  • Page 40 Choose your favorite your comfort temperature display (DHW) The ECL Comfort controller is designed by Danfoss for the Choose the DHW settings by pushing the button automatic temperature control of heating, domestic hot- until there is no circuit indication (display / lights).

  • Page 41: Select Circuit Mode

    Table of Contents Daily use Section Choose your favorite display Select circuit mode Set your room and DHW temperature Set your personal schedule Advantages of the ECL Card Hot points Definitions The documentation for the ECL Comfort controller is composed of numbered sections.

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