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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.
See section 4.

How to restore your personal settings?

Insert the ECL Card with the yellow side facing you. Go to line 
9 (is not displayed), which is the second line below line 7.
Select copy direction 'card to controller' (left to right) by 
using the shift button. Push the + button to copy.
See section 5.

This is a collection of frequently asked questions for the ECL 
Comfort 200 as well as ECL Comfort 300 series. Consequently, 
you might come across some questions that do not apply to your 
application.

6b

Summary of Contents for ECL Comfort C25

Page 1: ...2005 09 VI 7C I4 02 2005 09 www danfoss com User s Guide Installer s Guide www danfoss com ECL Comfort Installer s Guide ECL Comfort User s Guide 087R8006 VI7CI402 087R8006 VI7CI402 Burner control wit...

Page 2: ...ndicator Circuit selector Shift button Adjust ment Controller mode Controller mode Manual operation used only at maintenance and service Scheduled operation Constant comfort temperature Constant setba...

Page 3: ...ettings 17 Setting the time and date line A 18 Monitoring temperatures and system units line B 19 Manual control line B 20 Setting the heat curve line C 21 Heating cut out line 1 22 Flow temperature l...

Page 4: ......

Page 5: ...s Guide Grey sections 10 and onwards The application C25 is very exible These are the basic principles Heating Typically the ow temperature is always adjusted according to your requirements The ow tem...

Page 6: ...as shown below nd the diagram which has the best resemblance with your system and make your own combinations The functions can only be realized with ECL Comfort 300 and as of controller version 1 04 1...

Page 7: ...g system with constant temperature control of the DHW circuit DHW priority System settings Circuit Line Description Recomm setting I 51 DHW charging pump changeover valve ON 10 3 Weather compensated c...

Page 8: ...sition the controller in the box Secure the controller with the xing screw Mounting on a DIN rail Mounting kit Order code No 087B1145 A mounting kit is necessary to mount the box with the controller o...

Page 9: ...Installation 11b...

Page 10: ...c 9 P1 Circulation pump for boiler 4 2 A 230 V a c 10 230 V a c supply for P1 11 P2 Circulation pump diverting valve for DHW 4 2 A 230 V a c 12 230 V a c supply for P2 13 P3 Burner 4 2 A 230 V a c 14...

Page 11: ...c 9 K1 Circulation pump for boiler 4 2 A 230 V a c 10 24 V a c supply for R1 11 K2 Circulation pump diverting valve for DHW 4 2 A 230 V a c 12 24 V a c supply for R2 13 P3 Burner 4 2 A 230 V a c 14 2...

Page 12: ...d 16 S5 Boiler temperature sensor ESM 11 ESMB ESMU 22 and 16 S6 DHW temperature sensor ESMB ESMU The system device bus room panel remote control is only active when the outdoor temperature sensor is c...

Page 13: ...e sensor is mounted Return temperature sensor ESMU ESM 11 or ESMC The return sensor should always be placed in on a pipe with return water ow Room temperature sensor ESM 10 ECA 60 62 room panel or ECA...

Page 14: ...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 C14 21 only C...

Page 15: ...Installation...

Page 16: ...o copy the application type and factory settings from the ECL Card After copying the display will show you the application type After approx 10 sec the display will change to display line C Display ex...

Page 17: ...s side must be facing you As a main rule the ECL Card should always remain in the controller during service maintenance and setting If the card is removed or left in the controller with the grey side...

Page 18: ...ne Setting to be adjusted 1 1 ON 2 ON 0 9 2 0 4 2 3 ON Value in range indicator Use the plus minus buttons to adjust the settings In some displays more than one setting or value can be adjusted Use th...

Page 19: ...n 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 All other settings are stored a...

Page 20: ...operating it is indicated as ON below the pump symbol If a sensor is not mounted or is disconnected the display will indicate it as If the sensor is short circuited the display will indicate it as If...

Page 21: ...ou want to control The selected unit symbol will blink Controlled units 1 ON ON are switched OFF or ON when the relevant button is pushed This operation applies to both circuits if available During ma...

Page 22: ...o values The setting of the desired room temperature has an in uence on the calculated ow temperature heat curve no matter if a room temperature sensor is connected or not Floor heating systems This c...

Page 23: ...20b Parallel displacement Circuit Setting range Factory setting I II 9 9 K 0 0 K If you want to adjust the parallel displacement of the heat curve push the shift button The symbol for the parallel dis...

Page 24: ...ne 2 will be ignored 18 C Temp Actual Accumulated outdoor temp outdoor temp Heating OFF Time Heating Heating This function can save energy by stopping the heating system when the outdoor temperature g...

Page 25: ...ng range Factory setting I II 10 150 C min 40 10 max 90 50 C The mentioned setting range and factory settings may vary from the settings on your ECL Card The left end of the setting range blinks Adjus...

Page 26: ...ax room temperature limitation Use this limitation if your heating system is fully equipped with radiator thermostats and you also want to obtain a max limitation of the room temperature The controlle...

Page 27: ...red ow temperature will be corrected to eliminate this di erence Example 1 The actual room temperature is 2 degrees too low The in uence at max limitation right corner of the display is set to 35 The...

Page 28: ...The grey side of the ECL Card Basic set up...

Page 29: ...e conditions in the heating system 1 50 The boiler temperature di erence is set manually to a xed value according to the boiler manufacturer speci cation The burner is switched ON and OFF to maintain...

Page 30: ...ence between the desired tank temperature and the charging temperature during DHW charging Set the di erence Set a high value if you want the DHW to reach the desired temperature within a short period...

Page 31: ...he cut in start temperature and cut out stop temperature for DHW charging Set the DHW temperature di erence Charging temp di erence line 1 DHW temp di erence line 2 Charging temp Desired DHW temp The...

Page 32: ...terminals See section 14 Mount the controller and switch on the power Insert the ECL Card with the yellow side facing you and push if necessary See section 15 Choose manual operation as controller mod...

Page 33: ...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 If your system di ers from the diagram shown...

Page 34: ...ettings Your settings Slope 0 2 3 4 1 8 See section 20 Parallel displacement 9 9 K 0 K See section 20 1 Limit for heating cut out 10 30 C 18 C See section 21 2 Boiler temperature min max limits 10 150...

Page 35: ...rcuit II 30b A Time and date Section 17 B System information Sections 18 19 C Setting ranges Factory settings Your settings 1 Charging temperature di erence 1 30 K 15 K See section 27 2 DHW temperatur...

Page 36: ...ed on room outdoor temperature ON OFF OFF 21 Total stop ON OFF OFF 22 Pump exercise ON OFF ON 25 Pump stop in boiler circuit ON OFF OFF 27 Boiler protection ON OFF OFF 30 Return temperature limitation...

Page 37: ...ce parameters 10 199 Circuit II DHW Lines Setting ranges Factory settings Your settings 40 DHW pump post run P2 0 9 min 1 min min 51 DHW charging pump changeover valve ON OFF ON 141 Override input sel...

Page 38: ...Set the parameter value You can select any of the two circuits no matter what line you are in You will not necessarily enter the same line number See the service parameters in section 31 Check that yo...

Page 39: ...ature reduction OFF The setback temperature does not depend on the outdoor temperature 100 0 20 10 29 0 20 10 Reduction Outdoor temperature C Setting line 11 10 Choice of room panel remote control Cir...

Page 40: ...which you want the desired ow temperature increased temporarily In order to shorten the heating up period after a setback temperature period the desired ow temperature can be increased temporarily max...

Page 41: ...e consists of a two digit number The two digits have the following meaning Digit 1 Heat accumulation of the building System type 1 light Radiator systems 2 medium 3 heavy 4 medium Floor heating system...

Page 42: ...In uence on desired ow temperature T ow ref I Circuit Setting range Factory setting I OFF 1 20 K OFF The desired ow temperature in heating circuit I can be in uenced by an external reference OFF The...

Page 43: ...on based on room temperature if measured OFF Optimization based on outdoor temperature Use this setting if the room temperature is not measured 21 Total stop Circuit Setting range Factory setting I II...

Page 44: ...l circulation pump control Normally the boiler circuit pump is ON when the desired boiler temperature is higher than 20 C or the outdoor temperature is lower than 2 C The boiler circuit pump can be st...

Page 45: ...boiler must be as short as possible This will reduce condensation in the furnace To obtain the best conditions for the boiler the circulation pump for the boiler circuit can be stopped during the heat...

Page 46: ...9 9 0 9 9 0 0 Set the in uence from the return temperature on the desired ow temperature Set the in uence of the max return temperature limitation set in line 30 or lines 31 34 In uence higher than 0...

Page 47: ...below the set limit In uence lower than 0 The desired ow temperature is decreased when the return temperature gets below the set limit 0 In uence Min limitation 0 Return limit Return temp Min limitat...

Page 48: ...be adjusted any further 1 The desired ow temperature will be adjusted quickly 50 The desired ow temperature will be adjusted slowly 40 DHW pump post run P2 Circuit Setting range Factory setting I 0 9...

Page 49: ...etting I 0 9 min 1 min Set the minimum operation time for the burner The boiler can be protected against condensation corrosion caused by insu cient heat up time at each boiler start The protection is...

Page 50: ...s not overridden 1 6 Select an unused sensor input S1 S6 for the override of the circuit in question Connection example If the override switch has gold plated contacts you can choose one of the follow...

Page 51: ...N This setting is only used in connection with LON communication see the documentation for the used communication unit 198 Daylight saving time changeover Circuit Setting range Factory setting I ON OF...

Page 52: ...erature to the master 15 The controller is master The master sends information about the outdoor temperature S1 system time and the DHW demand signal The master receives the desired ow temperature inf...

Page 53: ...The grey side of the ECL Card Extended service...

Page 54: ...ings on the ECL Card All new settings can be stored on the ECL Card Insert the ECL Card with the yellow side facing you Go to line 9 is not displayed which is the second line below line 7 C C 9 9 Y 0...

Page 55: ...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 56: ...mode Desired room temperature Temperature which is set as the desired room temperature The temperature can only be controlled by the ECL Comfort controller if a room temperature sensor is installed I...

Page 57: ...re Temperature measured by the room temperature sensor room panel or remote control The room temperature can only be controlled directly if a sensor is installed The room temperature in uences the des...

Page 58: ...or thermostat does not limit the room temperature If you still cannot obtain the desired room temperature by adjusting the radiator thermostats the ow temperature is too low Increase the desired room...

Page 59: ...2 seconds See section 4 How to restore your personal settings Insert the ECL Card with the yellow side facing you Go to line 9 is not displayed which is the second line below line 7 Select copy direct...

Page 60: ...by mistake Time and date settings are not stored on the ECL Card Prevent unauthorized operation One of the primary advantages of the controller is the setting security If you remove the ECL Card and t...

Page 61: ...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 Insert the ECL Card Go to line 9 is not displayed which is th...

Page 62: ...s Time line Change the schedules Select appropriate day The changeover point blinks Adjust the rst blinking changeover point if required The end of the bar moves extending or reducing the comfort peri...

Page 63: ...he 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 Cancel changes in your...

Page 64: ...rcuit The black arrow shows you which of the modes you have chosen What do the symbols mean Manual operation Used only at maintenance and service Note The protection against frost is switched o when t...

Page 65: ...om panel remote control is not connected Is the room temperature too low Make sure that the radiator thermostat does not limit the room temperature If you still cannot obtain the desired room temperat...

Page 66: ...led If not two bars will be shown System information display B Line Circuit Flow temp State of controlled components 5 0 3 6 B 1 ON ON 2 ON Return temp Today s schedule display C Line Circuit Outdoor...

Page 67: ...play B Line Circuit State of controlled units B 1 ON ON 2 ON Today s schedule display C Line Circuit Time 8 0 3 6 9 12 15 18 21 24 1 5 5 5 C 3 Today s schedule Desired DHW temp The controller automati...

Page 68: ...view the entire display During operation the ECL Card must be inserted with the yellow side facing you The ECL Card which is equipped with a memory chip is simple and easy to understand The ECL Card i...

Page 69: ...that are relevant to your ECL Comfort controller are included here Installer s Guide Grey sections 10 and onwards Turn the guide over The functions can only be realized with ECL Comfort 300 and as of...

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