Danfoss C17 Installer's Manual
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Danfoss C17 Installer's Manual

Danfoss C17 Installer's Manual

Ecl comfort
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C17
ECL Comfort
User's Guide
*087R8414*
*VIKTO102*
Installer's Guide

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  • Page 1 ECL Comfort User's Guide *087R8414* *VIKTO102*  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 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 Disposal instruction: This product should be dismantled and its components sorted, if possible, in various groups before recycling or disposal. Always follow the local disposal regulations.

  • Page 5: Before You Start

    Yellow sections 1-7 • Installer's Guide: Grey sections 10 and onwards The application C17 is very flexible. These are the basic principles: Typically, the tank temperature (S6) is adjusted according to your requirements. The charging temperature sensor (S2) is the most important sensor.

  • Page 6: Identifying The System Type

    Identifying the system type The ECL Comfort controller is a universal controller that can be used for various systems. Based on the shown standard systems, it is possible to configure additional systems. In this section you find the most frequently used systems. If your system is not quite as shown below, find the diagram which has the best resemblance with your system and make your own combinations.
  • Page 7 10.3 Minimum installation 10.4 Minimum installation, district heating System diagrams in this instruction are principal drawings and do not contain all components which are necessary in your systems.

  • Page 8: 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 10: Electrical Connections 230 V A.c

    Electrical connections - 230 V a.c. - in general 230 V a.c. connections Optional...
  • Page 11 Terminal Description Max. load Supply voltage 230 V a.c. Supply voltage 230 V a.c. 3 M1 Actuator - open 0.2 A / 230 V a.c. Actuator - close 4 M1 0.2 A / 230 V a.c. alt. thermo actuator 230 V a.c. supply voltage for Not to be used.
  • Page 12 Electrical connections - 24 V a.c. - in general 24 V a.c. connections...
  • Page 13 Terminal Description Max. load 1 L1 Supply voltage 24 V a.c. 2 L2 Supply voltage 24 V a.c. 3 M1 Actuator - open 1 A / 24 V a.c. Actuator - close 4 M1 1 A / 24 V a.c. alt.

  • Page 14: Connecting And Placing The Temperature Sensors

    Connecting and placing the temperature sensors Connecting the temperature sensors and the bus Terminal Description Type (recomm.) 15 and 16 System device bus* ESM-11 / ESMC / 17 and 16 S1 Supply temperature sensor ESMU DHW charging temperature ESM-11 / ESMC / 18 and 16 S2 sensor ESMU...
  • Page 15 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 16 Override For an active override, you have to choose the mode “scheduled operation”! Input S1 ... S6 (ECL Card C14 only uses S5) can be used for override purposes (section 32, line 141). Connection example without ECA 9010 If the override switch has goldplated contacts, you can choose one of the following solutions or a combination of both: (C14 = 21 only)

  • Page 18: Inserting The Ecl Card

    Inserting the ECL Card How to insert your ECL Card the first time After the power has been switched on, open the lid on the front side of the controller. Place the ECL Card with the yellow side facing you. This enables the controller to read the ECL Card data.
  • Page 19 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 20: Adjusting The Ecl Card Settings

    Adjusting the ECL Card settings General principles 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 21: Setting The Time And Date - Line A

    Setting the time and date - line A Actual time Year Month, day Use the shift button to switch between minutes, hours, years, months and days. Set the correct time and date. In case of a power break, which lasts longer than 12 hours, the time and the date have to be set again.

  • Page 22: Monitoring Temperatures And System Units - Line B

    Monitoring temperatures and system units - line B Controlled units DHW charging temp. DHW temp. (S2) (S3) Push and hold the shift button to see: - the desired DHW charging temperature - the desired DHW temperature. The activity of the motorized control valve is shown as arrows below the valve symbol.

  • Page 23: Manual Control - Line B

    Manual control - line B Shift to manual mode. Controlled units Controller mode Choose the unit you want to control. The selected unit symbol will blink. Controlled units are switched OFF or ON when the relevant button is pushed. The motorized actuator (gear motor) closes or opens the controlled unit as long as...

  • Page 24: Monitoring Temperatures And System Units - Line B

    Monitoring temperatures and system units - line B (circuit II) Choose circuit II for the readout of the supply and return temperatures. Supply Return temp. temp. (S1) (S4) The grey side of the ECL Card...
  • Page 25 The grey side of the ECL Card...

  • Page 26: Control Parameters - Lines

    Control parameters - lines 4-7 Proportional band, Xp Circuit Setting range Factory setting 1 ... 250 K 80 / 180 K Setting to be adjusted Line Set the proportional band. A higher value will result in a stable but slow control of the flow temperature. If you want to adjust the Xp and Xp , push the...
  • Page 27 Neutral zone, Nz Circuit Setting range Factory setting 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 motorized valve.

  • Page 28: Cut-In And Cut-Out Temperature At Dhw Charging - Lines

    Cut-in and cut-out temperature at DHW charging - lines 1-2 The controller can control the DHW temperature with either one or two tank temperature sensor(s). The controller will automatically register the number of sensors. Cut-out temperature difference - (lower sensor)* Circuit Setting range Factory setting...
  • Page 29 One sensor (S6) Temp. Cut-out difference - line 1 Cut-in difference - line 2 Cut-in Cut-out Charging temperature Time If you only have one sensor installed (S6), this sensor will measure the cut-out temperature as well as the cut-in temperature. Two sensors (S5 + S6) Temp. Cut-out difference - line 1 Cut-in difference - line 2 Cut-in Cut-out Charging...

  • Page 30: Check List

    Check list  Is the ECL Comfort controller ready for use? Make sure that the correct power supply is connected to terminals 1 (Live) and 2 (Neutral). See section 12 or 13. Check that the required actuators, pumps, fans, dampers and burners are connected to the correct terminals.
  • Page 31  Adapting the ECL Comfort controller to the system Turn the ECL Card so that the grey side faces you and push , if necessary. Set the time and the date (line A). See section 17. Check that all settings in the controller (sections 30 and 31) are set or that the factory settings comply with your requirements.

  • Page 32: Ecl Card Settings

    ECL Card settings Time and date Section 17 System information Sections 18 & 19 Setting ranges Factory settings Your settings Cut-out temperature difference 1 ... 99 K 15 K See section 27 Cut-in temperature difference 1 ... 99 K 20 K See section 27 Proportional band, Xp 1 ...

  • Page 33: Sections 18 & 19

    ECL Card settings (circuit II) Time and date Section 17 System information Sections 18 & 19 Setting ranges Factory settings Your settings...

  • Page 34: Service Parameters

    Service parameters (10-199) Circuit I (DHW) Lines Setting ranges Factory settings Your settings 22 Pump exercise ON / OFF 23 Valve exercise ON / OFF 24 Gear motor / thermo actuator ON / OFF 30 Return temperature limitation, S4 10 ... 110 °C 60 °C °C 35 Return temperature influence, max.
  • Page 35 Service parameters (10-199) Circuit I (DHW) Lines Setting ranges Factory settings Your settings 174 Motor protection OFF / 10 ... 59 min. min. 196 Service pin LON ON / OFF 197 LON reset ON / OFF 198 Daylight saving time changeover ON / OFF 199 Master / slave address 0 ...

  • Page 36: Adjusting The Service Parameters

    I - and circuit II, if available. If you want to copy the new settings to the ECL Card (recommended by Danfoss), see section 34. Make a note of your new settings in the parameter list in section When you have entered all your personal settings, turn the ECL Card over so that the yellow side faces you.
  • Page 37 Service parameter(s) 22-30 22 Pump exercise Circuit Setting range Factory setting ON / OFF Exercises the pump to avoid blocking in periods without cooling demand. ON: The pump is switched ON for 1 minute every third day around noon. OFF: The pump exercise is not active. 23 Valve exercise Circuit Setting range Factory setting ON / OFF Exercises the valve to avoid blocking in periods without heat...
  • Page 38 Service parameter(s) 35 35 Return temperature influence, max. Circuit Setting range Factory setting -9.9 ... 0 ... 9.9 Set the influence from the return temperature on the desired DHW charging temperature. Set the influence of the max. return temperature (set in line 30). Influence higher than 0: The desired DHW charging temperature is increased, when the return temperature gets higher than the set limit.
  • Page 39 Service parameter(s) 36 36 Return temperature influence - min. limitation Circuit Setting range Factory setting -9.9 ... 0 ... 9.9 Set the influence from the return temperature on the desired DHW charging temperature. Set the influence of the min. return temperature limitation (set in line 30 or lines 31-34). Influence higher than 0: The desired DHW charging temperature is increased, when the return temperature gets below the set limit.
  • Page 40 Service parameter(s) 37-44 37 Time constant for return temperature limitation Circuit Setting range Factory setting OFF / 1 ... 50 Controls how fast the actual return temperature adapts to the desired return temperature limitation. Adjust the time constant for the return limitation. The setting will eliminate the difference between the acceptable and the actual return temperature.
  • Page 41 Service parameter(s) 45-55 45 DHW charging deactivation time Circuit Setting range Factory setting 0 ... 250 min. 0 min. If the charging time has reached its maximum (line 44), the charging is deactivated for the set time. No deactivation time. 1 ... 250: When the DHW charging time has reached its maximum, DHW can only be charged again when the deactivation time has expired.
  • Page 42 Service parameter(s) 67 67 Adaptive function of S2 DHW charging temperature during DHW charging Circuit Setting range Factory setting OFF / 1 ... 50 The setting will eliminate the difference between the desired DHW charging temperature (S2) and the DHW temperature (S3) by integrating the difference and adjusting the desired S2 flow temperature. OFF: The desired DHW charging temperature will not be adjusted any further. The desired DHW charging temperature will be adjusted quickly.
  • Page 43 Service parameter(s) 78-83 78 Desired temperature for anti-bacteria function Circuit Setting range Factory setting OFF / 1 ... 100 °C Set the desired temperature for the anti-bacteria function. The DHW will be charged daily or once a week at the set temperature to protect against bacteria. The function is always active on Mondays from 00:00 and the DHW is charged according to the period set in line 80. OFF: The anti-bacteria function is not active. 1 ... 100: The anti-bacteria function is active at the desired temperature.
  • Page 44 Service parameter(s) 141 141 Override input selection Circuit Setting range Factory setting OFF / 1 ... 6 Choose an unused temperature sensor input for overriding the schedule for circuit I and / or circuit II. The override can be activated for comfort or setback mode. For override the controller's mode must be in 'scheduled operation'! OFF: The controller's schedule is not overridden. 1 ...
  • Page 45 Service parameter(s) 147 147 Acceptable temperature deviation below desired DHW charging temperature (ΔT1 ALARM Circuit Setting range Factory setting OFF / 1 ... 30 K The alarm is activated if the actual DHW charging temperature drops too much below the desired temperature. The max. deviation ΔT1 is set here. ALARM This condition must last longer than the time interval Δt ALARM (line 149). See also line 148. OFF: The alarm function and the alarm relay of the additional module ECA 80 are not active.
  • Page 46 Service parameter(s) 148 148 Acceptable temperature deviation above the desired DHW charging temperature (ΔT2 ALARM Circuit Setting range Factory setting 1 ... 30 K The alarm is activated if the actual DHW charging temperature rises too much above the desired temperature. The max. deviation ΔT2 is set here. ALARM This condition must last longer than the time interval Δt ALARM (line 149). This alarm can only be activated if the value in line 147 is set to 1 ... 30 K. 1 ... 30: The alarm function is active if the actual temperature rises above the acceptable deviation.
  • Page 47 Service parameter(s) 149-152 149 Time interval Δt before activation ALARM of alarm function Circuit Setting range Factory setting 1 ... 99 min. 10 min. If an alarm condition from either line 147 or 148 is present for a longer time than the time interval Δt , the alarm function is ALARM activated. 1 ... 99: Time interval Δt ALARM Temp. Line 148 Actual temp. (S2) Desiredtemp. (S2) Line 147 Time Alarm...
  • Page 48 Service parameter(s) 174-198 174 Motor protection Circuit Setting range Factory setting OFF / 10 ... 59 min. Prevents the controller from unstable temperature control (and resulting actuator oscillations). This can occur when there is no DHW tapping, i.e. when the load is only due to the DHW circulation, or when the heating demand in the heating circuit is very low. The motor protection increases the lifetime of all involved components. OFF: Motor protection is not activated. 10 ... 59: Motor protection is activated after the set activation delay. A high value should be used for DHW installations with many consumers.
  • Page 49 Service parameter(s) 199 199 Master / slave address Circuit Setting range Factory setting 0 ... 9, 15 The setting is relevant when more controllers are working in the same ECL Comfort system (connected via the system device bus (ECL Comfort BUS)). The slave receives information about the system time. 1 ... 9: The slave receives information about the system time. The slave sends information about the desired flow temperature (at S2) to the master.

  • Page 50: Copying With The Ecl Card

    Copying with the ECL Card Check the ECL Card and the software generations (see following example). Insert the ECL Card with the yellow side facing you. Go to line 8 (is not displayed), which is the first line below line 7. Application type Software version,...
  • Page 51 Copy personal settings to additional controller(s) in identical systems Ensure that the other controller(s) use(s) the same ECL Card type. (If this is not the case, please read section 15). Insert the ECL Card, which contains the personal settings, with the yellow side facing you. Go to line 9 (is not displayed), which is the second line below line 7.

  • Page 52: Factory Settings

    Definitions Air duct temperature Temperature measured in the air duct where the temperature is to be controlled. Balance temperature This setpoint is the basis for the flow / air duct temperature. The balance temperature can be adjusted by the room temperature, the compensation temperature and the return temperature.

  • Page 53: Weather Compensation

    Humidity, relative This value (stated in %) refers to the indoor moisture content compared to the max. moisture content. The relative humidity is measured by the ECA 62 / 63 and is used for the calculation of the dew point temperature. Limitation temperature Temperature that influences the desired flow / balance temperature.

  • Page 54: See Section 17

    Switch the power off and on again to see the system type and the software generation of the controller. Order a replacement from your Danfoss representative. Insert the new ECL Card with the yellow side facing you and make sure that you copy your personal settings from the controller to the ECL Card.

  • Page 55: See Section 4

    How to make an extra comfort period in the schedule? You can make an additional comfort period by pushing the shift and + buttons simultaneously for 2 seconds. See section 4. How to remove a comfort period in the schedule? You can remove a comfort period by pushing the shift and - buttons simultaneously for 2 seconds.
  • Page 56 Advantages of the ECL Card Save your personal settings to the ECL Card Go to line 9 (is not displayed), which is the second line below line 7. Card Controller Copying direction Accept to copy personal settings from the controller to the ECL Card. The controller will return to display line C when the copying is completed.
  • Page 57 Restore ECL Card data After establishing your favorite temperatures, comfort periods etc., and after copying these to the ECL Card, you can set alternative settings. Insert the ECL Card and make the temporary settings, e.g. for holidays, but do not copy these. To restore your favorite settings, copy these from the ECL Card to the controller.
  • Page 58 Set your personal schedule Monitor the current schedules Select between lines 1-7 (Monday, Tuesday ..Sunday) to see your individual schedules. Changeover time Line Circuit Time line Periods with comfort temp. are shown as black bars Change the schedules Select appropriate day. The changeover point blinks Adjust the first blinking changeover point, if required.
  • Page 59 Add an extra comfort period Push the shift and + button simultaneously for 2 seconds. The new period appears Adjust the new period. Remove a comfort period Select the period to be removed (blinking changeover point) Push shift and - buttons simultaneously for 2 seconds.

  • Page 60: Select Circuit Mode

    Select circuit mode During scheduled operation (clock), the state indicator (a white arrow) will show you the control mode of the selected circuit. The mode can be set differently for each circuit by means of the function selector. However, if manual operation (hand) is chosen, this mode will apply to all circuits.

  • Page 61: Set Your Dhw Charging Temperature

    Set your DHW charging temperature Choose the display C for daily operations. Circuit I: Setting the desired DHW charging temperature Desired DHW Desired DHW temp. in comfort temp. in setback mode mode Select the constant comfort mode. Set the desired DHW temperature for the comfort mode. Select the constant setback mode.
  • Page 62 Choose your favorite display (circuit I) Choose the display - A, B, or C - for daily operations. DHW temperature - display A Upper tank temp. (S6) Line Circuit Lower tank temp. (S5) System information - display B State of controlled units Line Circuit DHW DHW temp. charging (S3) temp. (S2) Push and hold the shift button to see: - the desired DHW charging temperature...
  • Page 63 Choose your favorite display (schedule II) Choose the display - A, B, or C - for daily operations. Display A Line Circuit System information - display B State of controlled units Line Circuit Supply Return temp. (S1) temp. (S4) Today’s schedule - display C Time Line Circuit Today's schedule...
  • Page 64 Save energy - save money - improve your comfort temperature The ECL Comfort controller is designed by Danfoss for the automatic temperature control of heating, hot-water, ventilation and cooling systems. Some of the advantages of the ECL Comfort controller system are: •...

  • Page 65: Set Your Personal Schedule

    Table of Contents Daily use Section Choose your favorite display Select circuit mode Set your DHW charging 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. Only sections that are relevant to your ECL Comfort controller are included here.

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