Honeywell SDC User's Manual
Contents
1. 39 Operation SDC DHC Switching time programming program P2 and P3 enabled Upon accessing the menu selection level the Timeprograms menu always appears first Enabling of programs P2 and P3 in the System Parameters menu see 4 2 Menu selection level Return to the basic display 6 9 pg 31 C Select RA SIAE heating circuit Ho H mc 1 H mc 2 U paw Default 2 Copy time circuit DI K d T eee FO Select PE Ir program P P2 P3 DI i ao lr lt lt We Select day i and cycle Mo Mo Mo oe UL a H Copy day Hcy 1 Hcy 2 Hcy 3 Hcy 1 Fr Hcy 3 DI Wu es Sa Change MES Only appears if there are switching Dec times in the second heating cycle oO End of Monitorin ae heating 9 N Return FU ED A UU 3 S Change SS Temperature E rO ui 40 HC MC 1 MC 2 DHW Hcy Heating cycle Direct heating circuit Mixed heating circuit 1 Mixed heating circuit 2 Hot water heating circuit EN2H 0220GE51 R0308 SDC DHC Operation Default program P1 Heating circuit Day Heating operation from to Heat generator heat Mo to Su 6 00 22 00 ing circuit Hot water circuit Mo to Su 5 00 22 00 Mixed heating Mo to Su 6 00 22 00 circuit 1 22. 57 Operation SDC DHC 58 Application NOTE 4 2 5 2 ECO switch off operation During reduced operation the direct heating circuit is switched off completely with outside temperatures above the set frost protection limit The maximum heat generator temperature is not functional The heating circuit pump is switched off after a delay to avoid safety deactivation by reheating the heat generator pump follow up If the outside temperature is or becomes lower than the specified outside temperature frost protection limit the controller switches from deactivated deactivation mode to lowered lowering operation and controls the heating circuit temperature based on the set lowering curve taking the set minimum heat generator specification into account Building with high insulation values full heating protection The mode set here also applies for the ABSENT and RED HEATING operating modes Heating system This parameter refers to the type of the heating system floor radiator or convector heating and can be matched to the exponent of the respective heat distributor Using its progressive characteristics the set value determines the curve characteristics of the heating curve of the direct heating circuit and compensates for the losses in output in the low temperature range with it The following settings are recommend depending on the type of heating system 1 1 Slightly progressive heating curves for floor
3. Operation SDC DHC Switching time programming programs P2 and P3 disabled Upon accessing the menu selection level the Timeprograms menu always appears first Enabling of programs P2 and P3 in the System Parameters menu see 4 2 Menu selection level pg 31 Select heating circuit Select day and cycle fo Al Q Change OD Change Change C HC MC 1 MC 2 DHW l Default Li Copy time i circuit 19 TO E We Mo Mo i Mo i Tu Th Su Copy Hcy 1 Hcy 2 Hey3 Hor Fr Hcy 3 day Loes KE Sa FU Start of Only appears if there are switching 4 heating times in the second heating cycle 4 End of heating wont Pi Ta n R t 33 S Temperature e Return to the basic display 6 9 38 HC MC 1 MC 2 DHW Hcy Direct heating circuit Mixed heating circuit 1 Mixed heating circuit 2 Hot water heating circuit Heating cycle EN2H 0220GE51 R0308 SDC DHC Operation EN2H 0220GE51 R0308 Default switching time program P1 for heating and hot water Uniform continuous heating and hot water operation on all days of the week Default program P1 Heating circuit Day Heating operation from to Heat generator heating Mo to Su 6 00 22 00 circuit Hot water circuit Mo to Su 5 00 22 00 Mixed heating circuit 1 2 Mo to Su 6 00 22 00
4. 01 Time Language Nighttime Heating Heating Heating selection hot water curve curve curve 02 Year Time program Legionella Reduced Reduced Reduced protection day 03 Day Operating Heating Heating Heating Month mode system system system 04 Change Summer Heat limit 05 06 07 23 Parameter reset Heating Heating Heating Heating circuit circuit circuit circuit name name name name 32 EN2H 0220GE51 R0308 SDC DHC Operation 4 2 1 NOTE Application Access Setting Returning EN2H 0220GE51 R0308 Time Date menu The following current calendar values can be specified in this menu es Time Year Day Month e Time change mode summer winter time All listed daytime values are set at the factory and generally do not need to be updated An internal pre programmed calendar ensures automatic time change on the annually recurring summer winter time switchover dates If necessary the automatic time change can be deactivated The current weekday Mo to Su is determined from the calendar date and does not need to be set Corrections for rare fault cases See 4 2 Menu selection level pg 31 gt Turn input button and select the Time Date menu gt Turn input button and select the desired calendar value time year day month change gt Press input button am
5. select the DEFAULT TIME function within the heating circuit selection after accessing the Timeprograms menu After confirming by pressing the input button 3 the circuit dedicated to reloading appears flashing HC MC 1 MC 2 ALL If the automatic programs P1 P2 and P3 see System Parameter menu program parameter P1 to P3 were enabled the desired switching time program P1 P2 or P3 of the heating circuit affected by the reload can be selected If not enabled program selection is skipped Resetting then occurs by pressing and holding the input button approx 5 s until acknowledgement appears in the display Resetting is confirmed by acknowledging COPY OK The DEFAULT TIME function is then called up again to replace other circuits with their default programs if necessary 47 Operation SDC DHC 48 A ATTENTION With the setting value ALL all heating circuits and the hot water circuit are overwritten with their default switching times with regard to the selected program When overwriting occurs individually created switching time programs are permanently lost and must be recreated from scratch Pressing the lt button causes an immediate return to the basic display EN2H 0220GE51 R0308 SDC DHC Operation Reloading default programs Switching time programs P2 and P3 disabled Fea Copy circuit Select E Default default ime Select ED heating HC MC 1 MC 2 DH
6. 2 7 System information button pg 26 Language selection Several languages can be selected for all information that appears in the display After selecting the language and confirming it by pressing the input button amp additional communication takes place in the respective language DE GB FR IT NL ES PT HU CZ PL RO RU TR S N German English French Italian Dutch Spanish Portuguese Hungarian Czech Polish Romanian Russian Turkish Swedish Norwegian Factory setting German EN2H 0220GE51 R0308 51 Operation SDC DHC 52 4 2 3 2 Set values Factory setting Effects 4 2 3 3 Setting range Set values Factory setting Time program This parameter specifies enabling of the switching time programs for program selection and for individualised switching time programming In the state of delivery only one switching time program is enabled This achieves simplification of operation with a large portion of applications for which only one switching time program is used P1 Program 1 enabled programs 2 and 3 disabled P1 All three programs enabled to P3 P1 In contrast to the previous description the following setting options are available when programs P1 to P3 are enabled Operating mode selection In the AUTOMATIC and SUMMER operating modes switching time program P1 P2 or P3 can be selected e Switching time programming With switching time pro gramming th
7. 4 2 2 4 1 NOTE 4 2 2 4 2 Programming switching times and cycle temperatures Switch on time The switch on time is the start of heating or with enabled switch on optimisation the start of assignment After selecting the day of the week and the corresponding cycle the respective switch on time appears flashing and can be set with the input button gt The time bar in the top part of the display provides an overview of all programmed cycles between 0 00 and 24 00 hours on the selected day of the week The switch on time cannot be set below the switch off time of a previous cycle or below 0 00 hours of the selected day of the week If the switch on time is changed the corresponding time bar display is adjusted to the left hand side If the switch on time is made equal to the switch off time the corresponding cycle is deleted A subsequent cycle is automatically shifted to the position of the deleted cycle upon acceptance With subsequent insertion of a cycle that has been bumped up the corresponding day of the week must be reprogrammed A flashing switch on time is accepted by pressing the input button 3 Switch off time The switch off time is the end of heating or with enabled switch off optimisation the end of assignment Once the switch on time is accepted the associated switch off time appears flashing and can be changed with the input button The time bar in the top part of the display provides an ov
8. Active summer deactivation is indicated by a beach umbrella symbol and active frost protection is indicated by a snowflake symbol EN2H 0220GE51 R0308 13 Operation SDC DHC 4 1 2 1 3 4 1 2 2 ES Setting Ex ER Ka el es EGER mo HAN ORXCO Factory setting Setting range Operating elements Input button press turn By pressing once you can e Confirm input values By pressing and holding approx 3 s you can e Switch to the menu selection level e Move up one menu level By turning the input button amp you can e Change values clockwise increases called up values anticlockwise decreases them e Navigate through menus Daytime room temperature button Sets the desired room temperature room setpoint in automatic mode during the heating cycles and in the PARTY and HEATING operating modes In operating mode 1 the set value for all heating circuits is the same In operating mode 2 the set value applies for the respective heating circuit To set the operating mode see 4 2 3 3 Operating mode pg 52 gt Press i button gt Set flashing room temperature specification to the desired value by turning the input button gt Confirm set value by pressing the button or the input button 3 Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 20 C 5 3
9. Default program P2 Heating circuit Day Heating operation from to from to Mo to Th 6 00 8 00 16 00 22 00 Boiler heating circuit Fr 6 00 8 00 13 00 22 00 Sa to Su 6 00 22 00 Mo to Th 5 00 8 00 15 30 22 00 Hot water circuit Fr 5 00 8 00 12 30 22 00 Sa to Su 6 00 23 00 Mo to Th 6 00 8 00 16 00 22 00 i i Fr 6 00 8 00 13 00 22 00 Sa to Su 7 00 23 00 Default program P3 Heating circuit Day Heating operation from to Heat generator heat Mo to Fr 7 00 18 00 ing circuit Sato Su Reduced Hot water circuit Mo to Su 6 00 18 00 Sa to Su Reduced Mixed heating Mo to Su 7 00 18 00 circuit 1 2 Sa to Su Reduced EN2H 0220GE51 R0308 41 Operation SDC DHC 42 4 2 2 4 3 1 Source day Target day NOTE Copying switching time programs days Block programming enables the switching times and cycle temperatures of any day of the week to be copied 1 To any days within the week Mo Tu We Su 2 To all weekdays Mo to Fr 3 To the weekend Sa to Su 4 To the entire week Mo to Su Calling up the copy function days See flowcharts on pg 44 gt Press input button amp to confirm the copy function gt Turn input button to select the source day MO to SU to be copied The respective automatic program P1 P2 P3 of the source day is copied in the display with the time switch symbol and the program index gt Press input button to confirm the source day The sourc
10. Hcy 3 Hcy 1 Fr Hcy 3 py Cay Het EA ceed Sa HC Direct heating circuit MC 1 Mixed heating circuit 1 MC 2 Mixed heating circuit 2 DHW Hot water heating circuit 1 Program selection for source and target circuits are skipped if programs P2 and P3 are disabled in the System Parameter menu EN2H 0220GE51 R0308 SDC DHC Operation Copy day PO source day Cory y from Mo Mo Su Example Monday FU Select DJ Source day elec om i UU Copy Mo first target day Tu id e Example Tuesday i CN E 7 Mo Su or Copy source day ran 1 5 Mo Fr or to first target day Pu 6 7 Sa Su Acknowledge Copy day OK i Tuesday as with Monday E Sg 7 Source day Select EX Caw Me second target day lt to We Example Wednesday Copy source day Acknowledge to second target day N Second target day ED Copy day OK Wednesday as with Monday Select and copy other target days if necessary Return to the basic display d EN2H 0220GE51 R0308 45 Operation SDC DHC Copying heating circuits NOTE Heating circuits cannot be copied to hot water circuits since they have different cycle temperatures If a heating circuit is selected as the source circuit the hot water circuit can no longer be called up as the target circuit The hot water circuit as the source circuit is also the target circuit In this
11. Operating modes button basic display Switching time programs Holiday programs button System information button Display Cover clip for service socket Daytime room temperature button Night time room temperature button 0 0 N DOD d asa WwW DN Daytime hot water temperature button 10 Input button press turn 11 Operating mode symbols heating programs 12 EN2H 0220GE51 R0308 SDC DHC Operation 4 1 1 Display basic display 1 _ ly Fe M I o ZL HR GN E ine 2 nali HILL 2 3 nr m 4 AN ORE O 1 Day of the week Date 4 Operating mode symbols 2 Time 5 Heat generator temperature 3 Active operating mode The illumination of the display is switched on by pressing any button or using the input button amp and switches off automatically if no buttons are pressed for a longer period of time During start up of the unit and after a power failure a segment test with automatic fault diagnosis is carried out The respective device type and the software version number then appear briefly The basic display that then appears shows the day of the week the date the time and the heat generator temperature in automatic mode Different values appear in the basic display depending on the set operating mode AUTOMATIC PARTY etc Thus for example in the ABSENT operating mode the indication ABSENT TIL appears instead of the date and the return date instead of the temperature
12. and represents the end of the party time When the party program is called up again the last set value is saved and suggested as the initial value An active party program appears in the basic display with information on the party end time Automatic mode In automatic operation max three time programs with different heating operation times are available They are called up during start up as factory set and unlosable default programs P1 P2 or P3 and can if necessary be overwritten with their own switching times in the Timeprograms menu see 4 2 2 Timeprograms menu pg 34 Default programs P2 and P3 cannot be selected until the PROGRAM P1 to P3 parameter is enabled in the System Parameters menu Without enabling only program P1 is active See 4 1 2 5 Operating mode button basic display pg 16 EN2H 0220GE51 R0308 SDC DHC Operation TH JAFR Up Ol E 1320 CRAS OA Yo ga x co Display 4 1 2 5 4 Setting EN2H 0220GE51 R0308 Disabling enabling default program P2 to P3 Disabling System Parameters menu program parameter P1 All heating circuits and the hot water circuit solely refer to the default individually programmed switching times in the program P1 parameter Program P1 does not appear in the display in this operating mode see 4 2 2 Timeprograms menu pg 34 and 4 2 3 2 Time program pg 52 Enabling System Parameters menu
13. be expected They appear depending on the type and allocation with fault code 50 to 60 and index 0 1 or 2 These error messages refer to address faults such as double issuance or non recognition of address settings on the data bus They appear with fault code 70 and index 0 or 1 depending on the type and assignment 59 Log SDC DHC 5 Log Weekly switching program Object Set by Mon 1 Cont circuit Time Setpoint Opt Tue 2 Cont circuit Time Setpoint Opt Wed 3 Cont circuit Time Setpoint Opt Thu 4 Cont circuit Time Setpoint Opt Fri 5 Cont circuit Time Setpoint Opt Sat 6 Cont circuit Time Setpoint Opt Sun 7 Cont circuit Time Setpoint Opt 60 EN2H 0220GE51 R0308 SDC DHC Log EN2H 0220GE51 R0308 61 Log SDC DHC 62 EN2H 0220GE51 R0308 Honeywell Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies S rl Ecublens Route du Bois 37 Switzerland by its Authorized Representative Automation and Control Solutions Honeywell House Arlington Business Park Bracknell Berks RG12 1EB Phone 44 1344 656000 Fax 44 1344 656644 http honeywell com uk Printed in Germany All rights re
14. case only programs of the hot water circuit are copied among one another if they were enabled in the System Parameter menu Select copy function SH 4 SE EY ime circui el ee ee eceeeeeeeeeceed EET Select Source circuit Source circuit Source circuit ircuit cy circui MC 1 MC 2 O E Fi Select ur sd we source circuit SOU Ce circuit Source circuit _ Source circuit 1 BI MC 1 P2 MC 2 P3 Target circuit Target circuit Target circuit HC MC 1 MC 2 sn ei Target circuit Target circuit Target circuit 1 program MC 2 P1 MC 2 P2 MC 2 P3 Copy FO CES Copy Program P1 direct heating circuit OK Program P2 mixed heating circuit 2 Copy additional heating circuits Exit Pa if necessary Basic display 46 EN2H 0220GE51 R0308 SDC DHC Operation 4 2 2 4 4 Resetting EN2H 0220GE51 R0308 HC Direct heating circuit MC 1 Mixed heating circuit 1 MC 2 Mixed heating circuit 2 DHW Hot water heating circuit 1 Program selection for source and target circuits are skipped if programs P2 and P3 are disabled in the System Parameter menu Reloading default programs See flowchart on pg 49 Individually created switching time program P1 P2 or P3 can be overwritten with the original default switching time program P1 P2 or P3 For this purpose
15. or other area heating 1 3 Progressive standard heating curves for all radiator heating with m values between 1 25 and 1 35 2 Progressive heating curves for convector and baseboard heating gt 3 Heavily progressive heating curves for general ventilator applications with high starting temperatures EN2H 0220GE51 R0308 SDC DHC Operation Factory setting Setting range 4 3 Sensor error messages Heat generator error messages Logical error messages Bus error messages EN2H 0220GE51 R0308 1 3 radiator systems 1 1 floor heating with mixed heating circuits 1 10 Error messages A ATTENTION Inform the heating technician whenever any fault messages are output The control device contains substantial error notification logic The error messages appear in continuous alteration with the basic display Multiple errors that occur at the same time appear one after another in the order in which they occurred The following types of error message exist Sensor measured values that do not lie in the measurement range are evaluated as an interruption or short circuit They appear depending on the type and allocation with fault code 10 to 20 and index 0 for short circuit or 1 for interruption These error messages evaluate the respective switching status They appear depending on the type and allocation with fault code 30 to 40 and index 0 1 or 2 These error messages evaluate the control result to
16. program P1 P2 or P3 of the source circuit can be selected If not enabled program selection is skipped gt Press input button to confirm the source circuit Based on the same chart the desired target circuit and if enabled the desired program can be selected and accepted Acceptance is confirmed by acknowledging COPY OK The copy function is then called up again to copy additional circuits if necessary Heating circuits cannot be copied to hot water circuits or the re verse due to the different temperature specifications If a heating circuit HC MC 1 MC 2 is selected as the source circuit the hot water circuit DHW switches off as the target circuit A hot water circuit as the source circuit is also the target circuit In this case only switching time programs P1 to P3 are copied among one another Pressing the 9 button causes an immediate return to the basic display 43 Operation SDC DHC Block programming The copy function enables a source day to be copied to any target days or to all days of the week week programming All cycles of the source day are copied Individual heating cycles cannot be 44 copied C Select tei ay A heating circuit HO H mc 1 H mc 2 H DHW ine fi Select program J 1 P1 P2 P3 ei Select py we copy function Mo Me Mo Tu Th Su H Copy da Py i Hcy 1 Hcy 2
17. program parameter P1 to P3 see 4 2 2 Timeprograms menu pg 34 and 4 2 3 2 Time program pg 52 An active automatic program appears in the basic display with the current date and time If default programs P2 and P3 were enabled the corresponding symbol I OII or OMI is also displayed depending on the selected program The symbols are only displayed with the time program P1 to P3 active Manual summer operation excluding heating operation With manual summer operation only the hot water circuit remains operation and controls the heat generator temperature based on the specified hot water temperature and the specified hot water switching time program Heating operation is stopped and protection from frost is provided This feature is only available when control mode is set to 1 See 4 1 2 5 Operating mode button basic display pg 16 Disabling enabling default programs P2 to P3 Disabling System Parameters menu program parameter P1 All heating circuits and the hot water circuit solely refer to the default individually programmed switching times in the time program P1 parameter Program P1 does not appear in the display in this operating mode see 4 2 2 1 Selection of the control circuit pg 35 and 4 2 3 2 Time program pg 52 21 Operation SDC DHC ul ca m VU OA Yo ca x CO Display 4 1 2 5 5 DAY Ox CoO NOTE Display 22 Enabling System
18. the value after the set information time see 4 1 2 7 System information button pg 26 gt Press amp 9 button to return to the basic display 0 2 3 5 EN2H 0220GE51 R0308 SDC DHC Operation Factory setting Direct heating circuit HC 4 2 Access EN2H 0220GE51 R0308 1 5 Mixed heating circuit 1 MC 1 1 Mixed heating circuit 2 MC 2 1 x 3 50 3 25 3 00 2 75 2 50 110 2 25 100 e 2 00 0 ii 777771 175 Lai IR Ca 1 50 70 j TI 125 60 HH 100 50 oro 0 75 40 i EA 0 50 30 Ki II i 020 E oS I LI y 20 12 8 4 0 4 8 12 16 20 75 a x Boiler flow temperature C y Outside temperature C a Troom C Menu selection level The control device contains a menu selection level that is structured differently depending on the respective device version gt Press and hold input button amp for approx 3 s The menu selection always begins with the TIME DATE menu gt Turn input button to select additional menus gt Press input button amp to confirm the selected menu 31 SDC DHC Operation The menu functions are described in the following Program Configuration Configuration ming ke 2 5 S 5 F S Ei a 2 a E z 2 S GEET I gt D SS de oh iy ISS E E Oo ko O o 0 O
19. turning the input button amp Confirm selected circuit by pressing the input button Set flashing room temperature specification to the desired value by turning the input button Confirm set value by pressing the button Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 5 30 C 16 C 53 Operation SDC DHC 4 2 3 3 3 Setting 54 4 2 3 4 Individualised operating mode for each heating circuit Each heating circuit can be assigned an individualised operating mode gt Press amp button gt Select desired heating circuit HC MC 1 or MC 2 by turning the input button 3 gt Confirm selected circuit by pressing the input button gt Select flashing operating mode by turning the input button gt Confirm set operating mode by pressing the 4 button or the input button gt With short term operating modes ABSENT PARTY set desired target value by turning the input button amp and confirm set value by pressing the input button Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 Summer Heating limit This parameter specifies the end of heating operation depending on the outside temperature based on the following criteria Quick increase in outside temperature If the average
20. 0 C EN2H 0220GE51 R0308 SDC DHC Operation Setting Factory setting Setting range 4 1 2 4 Setting Factory setting EN2H 0220GE51 R0308 Night time room temperature button Sets the lowered room temperature in automatic mode between the heating cycles and in the ABSENT and RED HEATING operating modes In operating mode 1 the set value for all heating circuits is the same In operating mode 2 the set value applies for the respective heating circuit To set the operating mode see 4 2 3 3 Operating mode pg 52 gt Press button gt Set flashing room temperature specification to the desired value by turning the input butto gt Confirm set value by pressing the button or the input button 23 Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 16 C 5 30 C Daytime hot water temperature button Sets the daytime hot water temperature during the hot water operational readiness times in automatic mode and in the PARTY and HEATING operating modes This set value also applies for exclusively hot water operation manual summer operation gt Press button gt Set flashing hot water temperature to the desired value by turning the input button gt gt Confirm set value by pressing the Y button or the input button 3 Alternative Automatic acceptan
21. 20GE51 R0308 P2 and P3 only after enabling see System Parameters menu parameter 2 P1 to P3 17 Operation SDC DHC Setting Return to the basic display NOTE 4 1 2 5 1 RESENT It SEE im e CU 10 BA A CA o Ga CTO Setting Application The selected operating mode appears in plain text whereby a marking at the bottom edge of the display points to the respective operating mode symbol at the same time In operating mode 1 the set value for all heating circuits is the same In operating mode 2 the set value applies for the respective heating circuit To set the operating mode see 4 2 3 3 Operating mode pg 52 gt Press amp 9 button gt Select operating mode by turning the input button amp The marking is located above the corresponding operating mode symbol gt Confirm set operating mode by pressing the 4 button or the input button 3 gt With short term operating modes ABSENT PARTY set the desired value by turning the input button amp and confirm with the amp 9 button or the input button 2 Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 Press the amp 9 button for approx 3 s to return to the basic display from any operating level Holiday mode is set via the Switching time programs Holiday programs button see 4 1 2 6 Switching time programs Holiday programs
22. 2H 0220GE51 R0308 At outside temperatures below the frost protection limit see 4 2 3 System Parameters menu pg 51 the heating circuits are controlled as follows e Without wall devices Based on a lowered room temperature specification of 3 C e With wall devices Based on the room frost protection limit of the respective heating circuit of 10 C see Direct Heating Circuit or Mixed Heating Circuit 1 Mixed heating circuit 2 menu parameter 08 room frost protection limit An active holiday program can be cancelled in case of early return gt Press amp I button gt Turn input button amp and switch to automatic mode The active holiday program has been cancelled Current date Current date current date 250 days An active holiday program appears in the basic display with information on the return date 25 Operation SDC DHC 26 4 1 2 7 mn Exceptions NOTE System information button Calls up system information such as temperatures and counter data The information on the outside temperature appears first after the D Gi button is pressed Turning the input button amp causes the system temperatures and the counter and consumption states and operating states of the connected system components to appear Pressing the input button amp causes the respective setpoint values to appear Collector flow temperature No setpoint Solar tank temperature No set
23. Honeywell Heating Controller SDC Remote Heating Controller DHC OPERATING INSTRUCTIONS E _ Honeywell EN2H 0220GE51 R0308 EN2H 0220GE51 R0308 SDC DHC Contents Contents 1 Software versioni i glia 7 2 Safety instruction ATE E T 7 2 1 ae E KT 7 2 2 Requirements for start up 7 221 E ee EE 8 2 2 2 Connection conditions 8 2 2 3 Cable e EE 8 2 2 4 Maximum cable lengths i 8 2 2 6 Gable installation uii aio 8 2 2 6 Grounding and zeroing ennen 9 2 3 Hot water temperature greater than 60 C 2 4 Connection of accessory parts 2 5 Maintenance and cleaning ssssessseseseiesetitsettnertntstttntrtnnsttntetnnnntnnrennnn ennnen 10 3 OV OR VIO W dese EE EENS EE EE ae ra tae EE den Ea SIAE 11 4 Operations aiar 12 4 1 Display and operating elements sms senere 12 4 1 1 Display basic display rrenrnr 13 4 1 2 Operating elements scenerne 14 4 1 2 1 Input button press um 14 4 1 2 2 Daytime room temperature button teeta 14 4 1 2 3 Night time room temperature button eee 15 4 1 2 4 Daytime hot water temperature button 15 4 1 2 5 Operating mode button basic display 16 4 1 2 6 Switching time programs Holiday programs button 23 4 1 2 7 System information button 26 4 1 2 8 Manual mode Emission measuremen
24. If you are using an older software version please contact your heating technician Safety instructions Intended use The SDC DHC Smile family of controllers was designed for the sole purpose of regulating and controlling hot water heating and district heating systems including hot water production that do not exceed a maximum flow temperature of 120 C Requirements for start up A ATTENTION The heating system must be complete and filled with water so that the pumps do not run dry and the heating boiler is not damaged The control equipment must be installed in accordance with the installation instructions All electrical connections voltage supply burner mixer motor pumps sensor wiring etc must be carried out by the technician in accordance with the applicable VDE regulations and correspond with the circuit diagrams If floor heating is connected a limiting thermostat must also be installed in the flow line after the heating circuit pump This switches off the pumps at excessive flow temperatures Before starting up the controller have the heating technician check all requirements listed above The current time and date are already set at the factory and are backed up by a battery The time switch functions based on a basic program and the control functions are preset for common heating systems with low temperature boilers Safety instructions SDC DHC 2 2 1 2 2 2 2 2 3 2 2 4 2 2 5
25. Parameters menu program parameter P1 to P3 see 4 2 2 1 Selection of the control circuit pg 35 and 4 2 3 2 Time program pg 52 Manual summer operation appears in the basic display with the information SUMMER If default programs P2 and P3 were enabled the corresponding symbol OI OII or OMI is also displayed depending on the selected program The symbols are only displayed with the time program P1 to P3 active Continuous heating operation The HEATING operating mode ensures continuous heating operation without time limitations based on the specified daytime room temperature Hot water production occurs continuously based on the specified daytime hot water temperature The HEATING operating mode remains active until another operating mode is activated Activated continuous heating operation appears in the basic display with the information HEATING Continuous lowering operation The RED HEATING operating mode causes continuously reduced heating operation based on the specified lowered room temperature On the heating circuit levels the reduced operating mode ECO frost protected deactivation mode or RED lowering mode is set accordingly The minimum temperature limit of the respective heating circuit must be taken into account See the Direct Circuit or Mixed Heating Circuit 1 Mixed Heating Circuit 2 menu reduced parameter reduced operation and 12 parameter minimum temperature limit Hot water production
26. Power supply Do not disconnect the controller from the mains supply The battery for saving all individualised data is otherwise unnecessarily strained The frost protection function of the controller is deactivated Connection conditions All electrical connection work may only be carried out by qualified personnel Cable cross sections 1 5 mm for all cables carrying 230 V power supply burner pumps actuator 0 6 mm for bus cables recommended type J Y St Y 2 x 0 6 0 5 mm for sensors selectors and analog signal cables Maximum cable lengths Sensor selector and analog inputs We recommend using cables no longer than 200 m Longer connection lines could be used but increase the risk of interference Relay outputs Unlimited cable length Bus connections Max length of 100 m from the first bus subscriber to the last one incl wall modules Cable installation Install cables for sensors apart from the cables carrying 230 V Branch boxes in the sensor cable must be avoided EN2H 0220GE51 R0308 SDC DHC Safety instructions 2 2 6 2 3 Automatic anti legionella mechanism Manual mode Emission measurement EN2H 0220GE51 R0308 Grounding and zeroing Local regulations on the connection of equipment must be observed Hot water temperature greater than 60 C A ATTENTION Note that there is a danger of scalding at all hot water draw off points kitchen bathroom etc in the fol
27. W ALL circuit PO Press for approx 5 seconds until Acknowledge OK appears Passi RESET Default program has been reloaded MC 1 OK Individualised program is no longer available HC Direct heating circuit MC 1 Mixed heating circuit 1 MC 2 Mixed heating circuit 2 DHW Hot water heating circuit EN2H 0220GE51 R0308 49 Operation SDC DHC Reloading default programs Switching time programs P2 and P3 enabled Select CI default WW i I HC etc Datuk L COPY i time i circuit I I PO Press __ erer Select ED heating KI MC 1 circuit api Press Callup 3 Reset Reset Reset program HC 1 P1 HC 1 P2 HC 1 P3 s 7 Press for approx 5 seconds until Acknowledge OK appears Reset Reset HC 1 OK Default program has been reloaded Individualised program is no longer available HC Direct heating circuit MC 1 Mixed heating circuit 1 MC 2 Mixed heating circuit 2 DHW Hot water heating circuit 50 EN2H 0220GE51 R0308 SDC DHC Operation 4 2 3 Access Returning 4 2 3 1 Setting values System Parameters menu The system parameters refer to general limiting parameters and specification values within the heating system See 4 2 Menu selection level pg 31 Returning to the basic display takes place by pressing the ER button or automatically after the set information time see 4 1
28. button pg 23 Absence mode short term program With the ABSENT operating mode heating operation is temporarily deactivated and protected from frost during brief absences During the absence all heating circuits are adjusted to the specified lowered room temperature Once the set time expires the heating circuits automatically return to the operating mode that was active before the switch to the absence operation Short term programs such as PARTY or ABSENT are skipped here See 4 1 2 5 Operating mode button basic display pg 16 Short absence while heating operation is active EN2H 0220GE51 R0308 SDC DHC Operation Cancellation Factory setting Setting range Display 4 1 2 5 2 PR ee NE geo Hedi OA Yoga xx co Setting Application Cancellation EN2H 0220GE51 R0308 An active absence program can be cancelled in case of early return gt Press amp 9 button gt Turn input button and switch to automatic operation The active absence program has been cancelled P1 as from activation P1 P2 P3 0 5 to 24 h to the current time P1 P2 P3 Program controlled resumption of heating operation After activation of the absence program heating operation is interrupted until the following switch on time of the current automatic program P1 or P2 or P3 if enabled 0 5 24h The set value is added on to the current time and represents the return time When the absence pro
29. ce of the value after the set information time see 4 1 2 7 System information button pg 26 50 C 15 Operation SDC DHC Setting range One time hot water circuit loading OA Yo ca x Co 4 1 2 5 BO 5 C hot water economy temperature Maximum hot water heater temperature limit service setting Pressing and holding approx 3 s the button brings you to the reload function where the reload time can be set in minutes With a reload time of 0 minutes loading is started once and the hot water tank is loaded to the daytime setpoint The time for this superimposed hot water circuit loading can be set between 0 and 240 minutes The current week program is superimposed here Operating mode button basic display Sets the operating mode and returns to the basic display from every operating level EN2H 0220GE51 R0308 SDC DHC Operation Overview of the operating modes Symbol Operating mode Display Setting ABSENT JUEENT Ti P1 P2 P3 return H H GE IN di UE date eno oo ETL Asi Oomxeo PARTY BARTY TI P1 P2 P3 j HR KK DI Y party end time Gen Leah Ii MANOBAXCO AUTOMATIC TH TAPE pg PI P2 P3 ER JHI OA og Co nee SUMMER P1 P2 P3 w SE ten et Asi omxeo xt awe HEATING ten ena m DAN oa ed C RED HEATING ip 420 Bei MATTOTAECO STANDBY Ta OA Yoga CO EN2H 02
30. d outside temperature is below the set value and the current outside temperature is 2 K above the set value heating operation is interrupted Slow increase in outside temperature Deactivation is also initiated when the averaged and current outside temperature exceeds the set value EN2H 0220GE51 R0308 SDC DHC Operation NOTE Factory setting Setting range 4 2 3 5 Setting EN2H 0220GE51 R0308 Undoing deactivation Deactivation is undone when the averaged and current outside temperature exceeds the set value by 1 K The summer deactivation function is undone Incase of an outside sensor defect Incase frost protection is active During deactivation phases standby mode manual summer operation summer deactivation lasting longer than 24 hours all pumps are switched on for approx 20 s and the mixers are temporarily opened during this time to protect against blocking by corrosion In connection with a second outside sensor the current averaged outside temperature is accepted for summer deactivation if the average value of both sensors is specified during outside sensor assignment Active summer deactivation is represented by a beach umbrella symbol in the basic display Only active in the AUTOMATIC operating mode 20 C OFF set value of system frost protection to 40 C Parameter reset With the reset parameter it is possible to reset any inadvertently made changes in the parameter menu to t
31. e day appears flashing gt Turn input button amp to select the following setting values and confirm by pressing the input button 2 e The following target days Mo to Su individually All days of the week 1 to 7 as a week block e All weekdays 1 to 5 as a weekday block e The weekend days 6 to 7 as a weekend block Acceptance is confirmed by acknowledging DAY COPY OK After acknowledgement the following target days appear one after another automatically with each additional press of the input button amp and can be skipped and accepted if necessary Pressing the lt button causes an immediate return to the basic display Only complete days with all cycles and temperature specifications and the respective program can be copied EN2H 0220GE51 R0308 SDC DHC Operation 4 2 2 4 3 2 Source circuit Target circuit NOTE EN2H 0220GE51 R0308 Copying switching time programs heating circuits Block programming also enables the copying of all switching times and temperature specifications of a heating circuit to another heating circuit Calling up the copy function heating circuits See flowcharts on pg 44 gt Press input button amp to confirm the copy function gt Turn input button amp to select the source circuit to be copied HC MC 1 MC 2 DHW If automatic program P1 P2 or P3 see System Parameter menu PROGRAM parameter P1 to P3 was enabled the desired switching time
32. e three switching time programs P1 to P3 can be selected for each heating circuit Operating mode Two operating modes can be selected They determine whether the operating mode the daytime temperature and the night time temperature apply for all heating circuits or can be specified individually for each heating circuit 1 2 1 The selected setting applies for all heating circuits together 2 Each heating circuit can be assigned an individualised set ting EN2H 0220GE51 R0308 SDC DHC Operation 4 2 3 3 1 Setting range Factory setting 4 2 3 3 2 Setting EE 4 H SE LL WE H Aanoeomx CO HE Setting range Factory setting EN2H 0220GE51 R0308 Individualised daytime room temperature for each heating circuit gt gt gt Press fi button Select desired heating circuit HC MC 1 or MC 2 by turning the input button Confirm selected circuit by pressing the input button 3 Set flashing room temperature specification to the desired value by turning the input button Confirm set value by pressing the i button Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 5 30 C 20 C Individualised night time room temperature for each heating circuit gt gt gt Press button Select desired heating circuit HC MC 1 or MC 2 by
33. erature can exceed the set setpoint temperature Emission measurement by the chimney sweep Emission measurement can be cancelled at any time with the Ce or amp 9 button 29 Operation SDC DHC et aftche Co Setting Setting range 30 Heating curve Determines the heating curve for the heating circuits The heating curve describes the relationship of the flow temperature change to the outside temperature change With a larger heating surface such as with floor heaters the heating curve has a less extreme slope than with a smaller heating surface e g radiators The set value refers to the lowest outside temperature used for heat demand calculation A ATTENTION This parameter must be set by the technician and should no longer be changed gt Press and hold input button amp for 3 s gt Turn the input button to select the desired heating circuit HC MC 1 or MC 2 and confirm it by pressing the input button The design temperature system appears at the bottom right hand side of the display gt Press input button The slope of the heating curve appears at the bottom left hand side of the display gt Set the flashing heating curve value by turning the input button design temperature also flashes and is changed automatically depending on the slope of the heating curve gt Confirm by pressing the input button gt Alternative Automatic acceptance of
34. erview of all programmed cycles between 0 00 and 24 00 hours on the selected day of the week EN2H 0220GE51 R0308 SDC DHC Operation NOTE 4 2 2 4 3 EN2H 0220GE51 R0308 The switch off time cannot be set higher than the switch on time of a subsequent cycle If the switch on time is changed the corresponding time bar display is adjusted to the right hand side If the switch off time is made equal to the switch on time the corresponding cycle is deleted A subsequent cycle is automatically shifted to the position of the deleted cycle upon acceptance With subsequent insertion of a cycle that has been bumped up the corresponding day of the week must be reprogrammed A flashing switch off time is accepted by pressing the input button Cycle temperature Once the switch off time is accepted the associated cycle temperature appears flashing and can be changed immediately with the input button gt With heating circuits the displayed cycle temperature is always based on the desired room temperature with the hot water circuit it is based on the desired normal hot water temperature in the selected cycle A flashing cycle temperature is accepted by pressing the input button At the same time the last called up cycle appears flashing so that it may be monitored additional cycles can then be selected directly and edited in the same way in the order switch on time switch off time cycle temperature 37
35. gram is called up again the last set value is saved and suggested as the initial value An active absence program appears in the basic display with information on the return time Party mode short term program Party mode causes one time intermediate heating of all heating circuits up to a specified point in time and bridges an upcoming or already active absence cycle totally or partially Once the set time expires the heating circuits automatically return to the operating mode that was active before the party program Short term programs such as ABSENT or PARTY are skipped here See 4 1 2 5 Operating mode button basic display pg 16 One time extension of heating operation or intermediate heating during lowering operation outside the schedule An active party program can be cancelled early 19 Operation SDC DHC Factory setting Setting range Display 4 1 2 5 3 TH JAFR 00 320 Agia NOTE Setting 20 gt Press button gt Turn input button and switch to automatic mode The active party program has been cancelled P1 as from activation P1 P2 P3 0 5 to 24 h to the current time P1 P1 P2 P3 Program controlled resumption of heating operation After activation of the party program heating operation is continued until the following switch on time of the current automatic program P1 or P2 or P3 if enabled 0 5 24h The set value is added on to the current time
36. he factory setting A ATTENTION A reset should only be carried out if all individually entered values are to be replaced by the values specified at the factory gt When the PARAM RESET display flashes press the input button SET flashes in the display gt Press and hold the input button for 5 s 55 Operation SDC DHC 56 4 2 4 4 2 4 1 Factory setting Setting range NOTE 4 2 4 2 Factory setting Setting range Set values If a reset is carried out the RESET OK confirmation appears briefly Verification is then started with a call up of the first parameter in the respective menu once again After the parameter values are reset a return to the first parameter in the System Parameter menu occurs DHW menu This menu contains all parameters required to program the hot water circuit except the hot water switching time programs Night time hot water temperature This parameter specifies the temperature in the hot water generator between the operational readiness times in automatic mode 40 C 5 C to set normal hot water temperature value If a hot water thermostat see parameter 05 transducer for hot water circuit is used to detect the hot water temperature this parameter is skipped Legionella protection day OFF OFF MO to SU ALL OFF The legionella protection function is not active MO to SU Legionella protection is activated on the selected day of the week at the
37. legionella protection time set in the following parameter ALL The legionella protection function is activated daily at the legionella protection time set in the next parameter EN2H 0220GE51 R0308 SDC DHC Operation NOTE 4 2 5 4 2 5 1 Factory setting Setting range Set values Application EN2H 0220GE51 R0308 If a hot water thermostat see 05 parameter transducer for hot water circuit is used to detect the hot water temperature these parameters are skipped Direct Heating Circuit Mixed Heating Circuit 1 Mixed Heating Circuit 2 menu These menus contain all parameters required to program the heating circuit except the switch time programs Max one direct heating circuit and two mixed heating circuits mixed heating circuit 1 and mixed heating circuit 2 are available as heating circuits The following described heating circuit parameters are available separately for setting for each heating circuit Reduced operation During reduced operation you can select between two operating modes ECO ECO RED RED lowering operation The heating circuit pump of the direct heating circuit continues functioning during reduced operation see 4 2 3 2 Time program pg 52 The flow temperature is determined based on the lowered room temperature from the associated reduced heating curve The set maximum temperature is not undershot Building with minimal insulation values and high cooling loss
38. lowing cases Add sufficient cold water in these cases When the automatic anti legionella mechanism is activated the hot water is automatically heated to the anti legionella temperature 65 C at the factory on the selected day and at the selected time to kill any legionella bacteria found in the hot water tank In the manual mode emission measurement operating mode the hot water is heated up to the highest possible boiler temperature as the burner and all pumps are switched on and the mixer is opened fully There is an acute danger of scalding at all connected hot water draw off points Add sufficient cold water or switch off the hot water loading pump at the switch of the pump if present Heating and hot water are in unregulated continuous operation This operating mode is for special use by the chimney sweep for emission measurement or if the controller is defective The high hot water temperatures can be prevented however by setting the boiler thermostat to a max boiler temperature of approx 60 C Safety instructions SDC DHC 2 4 2 5 Connection of accessory parts WARNING According to VDE 0730 a separator for each mains terminal is to be provided in the voltage supply to the control equipment Observe the local regulations regarding grounding and zeroing As soon as the mains voltage is applied to terminals 21 22 2 6 12 and 18 headers X3 and X4 can also carry mains voltage If the heating ci
39. nt actual value Operating hours Activations of heat generator EN2H 0220GE51 R0308 27 Operation SDC DHC Setting time for automatic return gt gt an SE 1 hr 4 IME HEE QATLOBIXCO Setting range Factory setting 4 1 2 8 4 1 2 8 1 Ce Application NOTE 28 If the G button is pressed and held for approx 3 s the INFO TIME parameter appears With this parameter the time it takes for automatic return to the basic display can be specified OFF No return The last selected information display continuously remains in the basic display until the next change 1 10 min Automatic return from the information level after the specified time in 0 5 minute increments OFF Manual mode Emission measurement button Manual mode If this button is pressed and held longer than 5 s in the basic display the controller is switched to manual mode In this operating mode the required heat generator temperature is specified manually with the input button amp according to the respective heating need A controller set to manual mode has no effect in heat circuit expansion The heat generator setpoint is set between the minimum and maximum heat generator temperatures and appears flashing at the bottom left hand side The current heat generator temperature appears statically on the right hand side in the basic display The set s
40. occurs continuously based on the specified hot water economy temperature see DHW menu hot water parameter hot water at night EN2H 0220GE51 R0308 SDC DHC Operation NOTE Display 4 1 2 5 7 Application NOTE Display 4 1 2 6 EN2H 0220GE51 R0308 The RED HEATING operating mode remains active until another operating mode is activated Activated continuous lowering operation appears in the basic display with the information RED HEATING Standby mode In standby mode the entire system is switched off and protected from frost all frost protection functions active Hot water production is disabled and protected from frost At storage temperatures below 5 C a reload to up to 8 C takes place Total deactivation of heating and hot water with full building protection The heat generator and hot water production remain in operation in case of external demand or demand by other heating circuits on the bus network The heating circuit pumps are switched on briefly every day pump anti blocking protection The standby mode remains active until another operating mode is activated Activated continuous standby mode appears in the basic display with the information STANDBY Switching time programs Holiday programs button Using this button you can create individualised switching time programs for heating and hot water operation and set holiday mode See 4 1 2 6 1 Holiday m
41. ode pg 24 and 4 2 2 Timeprograms menu pg 34 23 Operation SDC DHC 4 1 2 6 1 Setting 24 Application Holiday mode In holiday mode the heating circuits can be switched off and protected from frost or operated based on the settings for the RED HEATING operating mode for the duration of the holiday based on the presetting Direct circuit or Mixed heating circuit 1 Mixed heating circuit 2 menu parameter 25 holiday operating mode gt Press CE button The menu selection level Switching time programs Holiday programs appears in the display Turn input button amp to the left HOLIDAY appears in the display Press input button HOLIDAY 01 appears in the display Press input button 3 The year flashes in the display gt Set year with the input button Press input button amp The day on which the holiday is to begin flashes in the display gt Set the day the holiday will begin with the input button gt Press input button TIL appears in the display Set the day you will return from holiday with the input button Press input button The desired holiday timeframe is saved You can now enter additional holiday timeframes up to 15 holiday blocks Longer absence while heating operation is active EN2H 0220GE51 R0308 SDC DHC Operation Control during holidays Cancellation Factory setting Setting range Display EN
42. p and change the corresponding value by turning the input button gt gt Press input button amp to confirm the set value gt Turn input button to select and change additional calendar values Returning to the basic display takes place by pressing the ES button or automatically after the set information time see 4 1 2 7 System information button pg 26 33 Operation SDC DHC 34 4 2 2 NOTE Access Returning Timeprograms menu Individualised switching time programs for heating and hot water operation can be created in this menu Here the factory set default programs P1 and if enabled P2 and P3 as well of each heating circuit and the hot water circuit are overwritten by individualised switching times and temperature specifications This is especially advantageous if correspondingly adapted heating programs are to be created in case of periodically recurring assignments with different assignment times e g shift work Max three heating cycles each with a switch on and switch off time are available for each day of the week for programming switching times Each heating cycle can also be combined with a freely selectable temperature specification The default programs are not lost when overwritten by individually created programs Individualised programs however are deleted when default programs are reloaded and must be recreated For this reason individualised switch on switch off
43. point Outside temperature Averaged value The displayed information see the following example is independent of the installed or enabled system components and control circuits EN2H 0220GE51 R0308 SDC DHC Operation Operating overview Turn input button to the left Press 8 button D Average current outside temperature value Turn input button to the right Program operating mode direct heating circuit pump status Program operating mode mixed heating circuit 1 pump status GE Actuator of mixed heating circuit 1 status ai a Program operating mode mixed heating circuit 2 pump status Actuator of mixed heating circuit 2 status Program operating mode hot water circuit pump status eEO Heat generator status ee I Direct heating circuit pump function status ii Variable output 1 function operating state eu eS Variable output 2 function operating state Outside temperature min to max 0 00 to 24 00 hours Heat generator temperature setpoint actual value Hot water temperature setpoint actual value Flow temperature setpoint actual value Flow temp of mixed heating circuit 1 setpoint actual value Flow temp of mixed heating circuit 2 setpoint actual value Variable input 1 setpoint actual value Variable input 2 setpoint actual value Variable input 2 setpoi
44. rcuit and hot water loading pumps do not have an On Off switch but manual switch on and switch off capability is still desired the appropriate switches must be installed by the customer All accessory parts sensors selectors etc are to be connected to the respective circuit diagram Maintenance and cleaning The controller is maintenance free The device can be cleaned externally with a moist not wet cloth EN2H 0220GE51 R0308 SDC DHC Overview 3 Overview The modular SDC DHC control device is available in an installable switch cabinet version and a surface mounted wall version with the following equipment features S 2 g D Za 2 2 5 3 5 o 5 S Solal lE lale la o ETIES Es ES Ee I a TESS 2 np A A E AE D D 5 5 5 ES 5 3 S bi S o 5 o ke N n H 2 o Ki Ki v v a Su D c e 2 Bol 5 2 gt 5 2 2 EIIE Sol ke S aaa Seo lee Ss gt ay Ss 1 Gs Gi Type 2 lo ooo olla es e SDC 3 10 3 x x x SDC 3 40 3 mena x SDC 7 21 7 x x x Ix 7 x x x x x x x two SDC 9 21 variable relays 10 x x x x x x x x two 3 SDC 12 31 variable relays D DHC 43 1 2 DHC 43 2 3 DHC 43 3 EN2H 0220GE51 R0308 11 Operation SDC DHC 4 Operation 4 1 Display and operating elements 11 10 1 Manual mode Emission measurement button not on district heating controllers
45. served Subject to change without notice EN2H 0220GE51 R0308 Art 045 130 5546 0812 30
46. t button 28 4 1 2 9 Heating curve renerne reen 30 4 2 Menu selection eye 31 EN2H 0220GE51 R0308 3 Contents SDC DHC 4 2 1 Time Date menu 33 4 2 2 Timeprograms menu 34 4 2 2 1 Selection of the control circuit i 35 4 2 2 2 Selection of the program 35 4 2 2 3 Selection of day of the week and cycle 35 4 2 2 4 Programming switching times and cycle temperatures 36 Block programmingi uniinara iii ina 44 4 23 System Parameters menu 4 2 3 1 Language selection 423 2 Time progam EE 52 4 2 3 3 Operating mode nsten nnne n nenn 52 4 2 3 4 Summer Heating limit 54 4 2 3 5 Parameter reset i 55 del Ve TEE 56 4 2 4 1 Night time hot water temperature eenen 56 4 2 4 2 Legionella protection day nenene 56 4 2 5 Direct Heating Circuit Mixed Heating Circuit 1 Mixed Heating Circuit 2 menu 57 4 2 5 1 Reduced operation i 57 4 2 5 2 Heating systemi ni s niaariane aa 58 4 3 Error MESSAGES 59 5 LOG EE 60 4 EN2H 0220GE51 R0308 SDC DHC Contents EN2H 0220GE51 R0308 5 SDC DHC Software version 2 1 2 2 NOTE EN2H 0220GE51 R0308 Software version This documentation is valid for software version V 3 0 of your control device The software version is displayed after switch on for approx 8 s
47. times and temperature specifications should always be entered in the tables provided for this purpose see 5 Log pg 60 Press ER button Returning to the basic display takes place by pressing the amp g button or automatically after the set information time see 4 1 2 7 System information button pg 26 EN2H 0220GE51 R0308 SDC DHC Operation 4 2 2 2 4 2 2 3 EN2H 0220GE51 R0308 Selection of the control circuit After accessing the Timeprograms menu the desired control circuits can be selected with the input button G in the following sequence Direct heating circuit HC e Mixed heating circuit 1 MC 1 e Mixed heating circuit 2 MC 2 e Hot water circuit DHW gt Press input button amp to access the selected circuit Selection of the program If the switching time programs P2 and P3 have been enabled see System Parameter menu program parameter P1 to P3 the program selection appears If switching time programs P2 and P3 are disabled program selection is automatically skipped see System Parameters menu program parameter P1 Selection of day of the week and cycle Once the program is selected the first cycle of the first day of the week MO 1 and the relevant section in the top time bar flash The other cycles are selected by turning the input button and confirmed by pressing the input button 35 Operation SDC DHC 36 4 2 2 4
48. witching differential corresponds to the value of automatic control and is symmetrical to the set value Controller malfunctions emergency operation errors The maximum heat generator temperature limit is paramount to the heat generator switching differential and stops the heat generator in case of exceedance With control devices operated purely as a heating circuit expansion the setting of the temperature has no effect EN2H 0220GE51 R0308 SDC DHC Operation Cancellation 4 1 2 8 2 Function Application Cancellation EN2H 0220GE51 R0308 The last value to which the control device adjusted the heat generator temperature appears as a recommendation Press CY button or amp 9 button to return to the last selected operating mode Emission measurement not with district heating controllers A ATTENTION Emission measurements may only be carried out by the chimney sweep Pressing the CGN button controls the heat generator for a duration of 20 min based on the set maximum temperature limit The remaining time is displayed and counted down With two stage heat generators both stages are in operation measurement at nominal output The heat generator is adjusted to the maximum heat generator temperature All heating circuits and the hot water production adjust their setpoint to the respective maximum temperature A ATTENTION There is a danger of scalding by hot water as the hot water temp
Download Pdf Manuals
Related Search