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Honeywell DHC Operating Instructions Manual Download Page 11

SDC / DHC 

Overview 

EN2H-0220GE51 R0308 

11 

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: 

Type  

Nu

mber o

f ou

tput

 rel

ays 

Bur

n

er

 stage 2 

or 

District he

at

ing 

va

lve 

CL

OSED 

Bur

n

er

 stage 1 

Direct heating circuit 

V

ari

ab

le

 ou

tp

ut 3 

Mixed 

heating circuit 1 

Mixed 

heating circuit 2 

Tank load

in

g 

pu

mp

 

V

ari

ab

le

 ou

tp

ut 2 

V

ari

ab

le

 ou

tp

ut 1 

SDC 3-10 

3 

 – 

x 

x 

 – 

 – 

x 

  

 – 

SDC 3-40 

3 

 – 

 – 

 – 

x 

 – 

 – 

 – 

 – 

SDC 7-21 

1)

 

7  

 – 

x 

x 

x 

 – 

x 

 – 

 – 

SDC 9-21 

2)

 

7  
+ two 
variable 
relays 

x x 

x 

x 

 

– 

x 

x 

x 

SDC 12-31 

3)

 

10  
+ two 
variable 
relays 

x 

x x 

x x x x x 

 

1)

 DHC 43-1 

2)

 DHC 43-2 

3)

 DHC 43-3 

 

Pos: 4 /156-Honeywell/Bedienung/Anzeigen_und_Bedienelemente @ 1\mod_1207643591494_6.doc @ 9195 

 

Summary of Contents for DHC

Page 1: ...EN2H 0220GE51 R0308 Heating Controller SDC Remote Heating Controller DHC OPERATING INSTRUCTIONS ...

Page 2: ...EN2H 0220GE51 R0308 ...

Page 3: ... parts 10 2 5 Maintenance and cleaning 10 3 Overview 11 4 Operation 12 4 1 Display and operating elements 12 4 1 1 Display basic display 13 4 1 2 Operating elements 14 4 1 2 1 Input button press turn 14 4 1 2 2 Daytime room temperature button 14 4 1 2 3 Night time room temperature button 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 Switc...

Page 4: ...ratures 36 Block programming 44 4 2 3 System Parameters menu 51 4 2 3 1 Language selection 51 4 2 3 2 Time program 52 4 2 3 3 Operating mode 52 4 2 3 4 Summer Heating limit 54 4 2 3 5 Parameter reset 55 4 2 4 DHW menu 56 4 2 4 1 Night time hot water temperature 56 4 2 4 2 Legionella protection day 56 4 2 5 Direct Heating Circuit Mixed Heating Circuit 1 Mixed Heating Circuit 2 menu 57 4 2 5 1 Reduc...

Page 5: ...SDC DHC Contents EN2H 0220GE51 R0308 5 ...

Page 6: ......

Page 7: ...art up 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 regu...

Page 8: ...es carrying 230 V power supply burner pumps actuator 0 6 mm2 for bus cables recommended type J Y St Y 2 x 0 6 0 5 mm2 for sensors selectors and analog signal cables 2 2 4 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 connectio...

Page 9: ...d 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 p...

Page 10: ... 18 headers X3 and X4 can also carry mains voltage If the heating circuit 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 2 5 Maintenance and cleaning The controller is mai...

Page 11: ...r District heating valve CLOSED Burner stage 1 Direct heating circuit Variable output 3 Mixed heating circuit 1 Mixed heating circuit 2 Tank loading pump Variable output 2 Variable output 1 SDC 3 10 3 x x x SDC 3 40 3 x SDC 7 21 1 7 x x x x SDC 9 21 2 7 two variable relays x x x x x x x SDC 12 31 3 10 two variable relays x x x x x x x x 1 DHC 43 1 2 DHC 43 2 3 DHC 43 3 Pos 4 156 Honeywell Bedienun...

Page 12: ...des button basic display 3 Switching time programs Holiday programs button 4 System information button 5 Display 6 Cover clip for service socket 7 Daytime room temperature button 8 Night time room temperature button 9 Daytime hot water temperature button 10 Input button press turn 11 Operating mode symbols heating programs Pos 5 156 Honeywell Bedienung Display_Grundanzeige 1 mod_1207643647963_6 do...

Page 13: ...rried 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 appea...

Page 14: ...utton 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 Press button Set flashing room temperature specifi...

Page 15: ...of the value after the set information time see 4 1 2 7 System information button pg 26 16 C 5 30 C Pos 10 156 Honeywell Bedienung Taste_Warmwassertemperatur 1 mod_1207643963713_6 doc 9285 4 1 2 4 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 ...

Page 16: ...nutes 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 Pos 11 156 Honeywell Bedienung Taste_Betriebsart 1 mod_1207644003760_6 doc 9300 4 1 2 5 Operating mode button basic display Sets the operating mode and returns to the basic ...

Page 17: ... modes Symbol Operating mode Display Setting ç ABSENT P1 P2 P3 return date è PARTY P1 P2 P3 party end time é AUTOMATIC C P1 P2 P3 ê SUMMER C P1 P2 P3 ë HEATING C ì RED HEATING C í STANDBY C P2 and P3 only after enabling see System Parameters menu parameter 2 P1 to P3 ...

Page 18: ...ter the set information time see 4 1 2 7 System information button pg 26 Press the 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 button pg 23 Pos 12 156 Honeywell Bedienung Abwesenheitsbetrieb 1 mod_1207644137353_6 doc 9330 4 1 2 5 1 Absen...

Page 19: ...e initial value An active absence program appears in the basic display with information on the return time Pos 13 156 Honeywell Bedienung Partybetrieb 1 mod_1207644211166_6 doc 9345 4 1 2 5 2 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 partial...

Page 20: ...ted as the initial value An active party program appears in the basic display with information on the party end time Pos 14 156 Honeywell Bedienung Automatikbetrieb 1 mod_1207644252369_6 doc 9360 4 1 2 5 3 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 program...

Page 21: ...e time program P1 to P3 active Pos 15 156 Honeywell Bedienung Manueller_Sommerbetrieb 1 mod_1207644281166_6 doc 9375 4 1 2 5 4 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...

Page 22: ...r 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 Pos 17 156 Honeywell Bedienung Staendiger_Absenkbetrieb 1 mod_1207644346213_6 doc 9405 4 1 2 5 6 Continuous lowering operation The RED HEATING operating mode causes continuously reduced heating operation b...

Page 23: ...nerator 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 Pos 19 15...

Page 24: ...e display Turn input button î to the left HOLIDAY appears in the display Press input button î HOLIDAY 01 appears in the display Press input button î The year flashes in the display Set year with the input button î Press input button î The day on which the holiday is to begin flashes in the display Set the day the holiday will begin with the input button î Press input button î TIL appears in the di...

Page 25: ...g 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 Press button Turn input button î 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 informatio...

Page 26: ...he system temperatures and the counter and consumption states and operating states of the connected system components to appear Pressing the input button î causes the respective setpoint values to appear Collector flow temperature No setpoint Solar tank temperature No setpoint Outside temperature Averaged value The displayed information see the following example is independent of the installed or ...

Page 27: ...direct heating circuit pump status Program operating mode mixed heating circuit 1 pump status Actuator of mixed heating circuit 1 status Program operating mode mixed heating circuit 2 pump status Actuator of mixed heating circuit 2 status Program operating mode hot water circuit pump status Heat generator status Direct heating circuit pump function status Variable output 1 function operating state...

Page 28: ...al mode In this operating mode the required heat generator temperature is specified manually with the input button î 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 generato...

Page 29: ...in 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 ATTENTION There is a danger of s...

Page 30: ...ress and hold input button î for 3 s Turn the input button î to select the desired heating circuit HC MC 1 or MC 2 and confirm it by pressing the input button î The design temperature system appears at the bottom right hand side of the display Press input button î The slope of the heating curve appears at the bottom left hand side of the display Set the flashing heating curve value by turning the ...

Page 31: ...enung Menue_Auswahlebene 1 m od_1207644710588_6 doc 9510 4 2 Menu selection level The control device contains a menu selection level that is structured differently depending on the respective device version Press and hold input button î for approx 3 s The menu selection always begins with the TIME DATE menu Turn input button î to select additional menus Press input button î to confirm the selected...

Page 32: ... 01 Time Language selection Nighttime hot water Heating curve Heating curve Heating curve 02 Year Time program Legionella protection day Reduced Reduced Reduced 03 Day Month Operating mode Heating system Heating system Heating system 04 Change Summer Heat limit 05 06 07 23 Parameter reset Heating circuit name Heating circuit name Heating circuit name Heating circuit name Pos 27 156 Honeywell Bedie...

Page 33: ...dar date and does not need to be set Corrections for rare fault cases See 4 2 Menu selection level pg 31 Turn input button î and select the Time Date menu Turn input button î and select the desired calendar value time year day month change Press input button î and change the corresponding value by turning the input button î Press input button î to confirm the set value Turn input button î to selec...

Page 34: ...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...

Page 35: ...ave 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 Pos 31 156 Honeywell Bedienung Auswahl_von_Wochentag_und_Zyklus 1 mod_1207644995228_6 doc 9585 4 2 2 3 Selection of day of the week and cycle Once the program ...

Page 36: ... 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 fl...

Page 37: ...edienung Zyklustemperatur 1 mod_1207645359213_6 doc 9645 4 2 2 4 3 Cycle temperature Once the switch off time is accepted the associated cycle temperature appears flashing and can be changed immediately with the input button î 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 ...

Page 38: ... 31 Select heating circuit Select day and cycle Change Temperature End of heating Monitoring Start of heating Mo Hcy 1 HC MC 1 MC 2 DHW Mo Hcy 2 Mo Hcy 3 Only appears if there are switching times in the second heating cycle Tu Hcy 1 Su Hcy 3 Default time We Th Fr Sa Return Return to the basic display 3 s Copy circuit Change Change Copy day HC Direct heating circuit MC 1 Mixed heating circuit 1 MC ...

Page 39: ...er operation on all days of the week Default program P1 Heating operation Heating circuit Day from to Heat generator heating circuit Mo to Su 6 00 22 00 Hot water circuit Mo to Su 5 00 22 00 Mixed heating circuit 1 2 Mo to Su 6 00 22 00 Pos 37 156 Honeywell Bedienung Schaltzeitenprogrammierung_freigeschaltet 1 mod_1207645530166_6 doc 9675 ...

Page 40: ...ating circuit Select day and cycle Select program Change Change Temperature End of heating Monitoring Start of heating Mo Hcy 1 HC P1 P2 P3 MC 1 MC 2 DHW Mo Hcy 2 Mo Hcy 3 Only appears if there are switching times in the second heating cycle Tu Hcy 1 Su Hcy 3 Default time We Th Fr Sa Copy day Return Return to the basic display 3 s Copy circuit Change HC Direct heating circuit MC 1 Mixed heating ci...

Page 41: ...ting circuit Sa to Su 6 00 22 00 Mo to Th 5 00 8 00 15 30 22 00 Fr 5 00 8 00 12 30 22 00 Hot water circuit Sa to Su 6 00 23 00 Mo to Th 6 00 8 00 16 00 22 00 Fr 6 00 8 00 13 00 22 00 Mixed heating circuit 1 2 Sa to Su 7 00 23 00 Default program P3 Heating operation Heating circuit Day from to Mo to Fr 7 00 18 00 Heat generator heat ing circuit Sa to Su Reduced Mo to Su 6 00 18 00 Hot water circuit...

Page 42: ...nd the program index Press input button î to confirm the source day The source day appears flashing Turn input button î to select the following setting values and confirm by pressing the input button î The following target days Mo to Su individually All days of the week 1 to 7 as a week block All weekdays 1 to 5 as a weekday block The weekend days 6 to 7 as a weekend block Acceptance is confirmed ...

Page 43: ...elected If not enabled program selection is skipped Press input button î 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 cir...

Page 44: ...nnot be copied î ö î ö ö HC Select heating circuit Select copy function Select program Mo Hcy 1 Mo Hcy 2 Mo Hcy 3 MC 2 MC 1 P1 P2 P3 DHW Default time Tu Hcy 1 Copy circuit Su Hcy 3 Copy day We Th Fr Sa 1 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 ...

Page 45: ...e basic display Tuesday as with Monday Source day Source day Select source day Example Monday Copy source day to first target day Acknowledge Select first target day Example Tuesday Copy source day to second target day Acknowledge Select second target day Example Wednesday Second target day Mo Su 1 target day or 1 7 Mo Su or 1 5 Mo Fr or 6 7 Sa Su Copy Mo to We Copy day OK ...

Page 46: ... hot water circuit are copied among one another if they were enabled in the System Parameter menu Source circuit MC 2 P3 Select copy function Select source circuit Source circuit HC Select source circuit program Select target circuit Target circuit HC 1 Select target circuit program Copy Copy OK Copy additional heating circuits if necessary Program P1 direct heating circuit Program P2 mixed heatin...

Page 47: ...purpose select the DEFAULT TIME function within the heating circuit selection after accessing the Timeprograms menu After confirming by pressing the input button î 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 ...

Page 48: ...d 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 button causes an immediate return to the basic display ...

Page 49: ...ration EN2H 0220GE51 R0308 49 Reloading default programs Switching time programs P2 and P3 disabled HC Direct heating circuit MC 1 Mixed heating circuit 1 MC 2 Mixed heating circuit 2 DHW Hot water heating circuit ...

Page 50: ...ult programs Switching time programs P2 and P3 enabled DHW HC Direct heating circuit MC 1 Mixed heating circuit 1 MC 2 Mixed heating circuit 2 DHW Hot water heating circuit Pos 43 156 Honeywell Bedienung Menue_Systemparameter 1 mod_1207646151510_6 doc 9765 ...

Page 51: ...Bedienung Sprachwahl 1 mod_1207646189369_6 doc 9780 4 2 3 1 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 î additional communication takes place in the respective language DE German GB English FR French IT Italian NL Dutch ES Spanish PT Portuguese HU Hungarian CZ Czech...

Page 52: ...d SUMMER operating modes switching time program P1 P2 or P3 can be selected Switching time programming With switching time pro gramming the three switching time programs P1 to P3 can be selected for each heating circuit Pos 46 156 Honeywell Bedienung Bedienmodus 1 mod_1207646570291_6 doc 9840 4 2 3 3 Operating mode Two operating modes can be selected They determine whether the operating mode the d...

Page 53: ...Honeywell Bedienung Individuelle_Nacht Raumtemperatur 1 mod_1207646643760_6 doc 9870 4 2 3 3 2 Individualised night time room temperature for each heating circuit Press button Select desired heating circuit HC MC 1 or MC 2 by turning the input button î Confirm selected circuit by pressing the input button î Set flashing room temperature specification to the desired value by turning the input butto...

Page 54: ...n î and confirm set value by pressing the input button î Alternative Automatic acceptance of the value after the set information time see 4 1 2 7 System information button pg 26 Pos 50 156 Honeywell Bedienung Sommer_Heizgrenze 1 m od_1207647058244_6 doc 9900 4 2 3 4 Summer Heating limit This parameter specifies the end of heating operation depending on the outside temperature based on the followin...

Page 55: ... 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 Pos 51 156 Honeywell Bedienung Parameter Reset 1 mod_1207647099619_6 doc 9915 4 2 3 5 Parameter reset With t...

Page 56: ...rature 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 Pos 54 156 Honeywell Bedienung Legionellenschutz_Tag 1 mod_12076472188...

Page 57: ...g circuit 2 are available as heating circuits The following described heating circuit parameters are available separately for setting for each heating circuit Pos 56 156 Honeywell Bedienung Reduzierter_Betrieb 1 mod_1207647295322_6 doc 9990 4 2 5 1 Reduced operation During reduced operation you can select between two operating modes ECO ECO RED RED lowering operation The heating circuit pump of th...

Page 58: ...ion The mode set here also applies for the ABSENT and RED HEATING operating modes Pos 57 156 Honeywell Bedienung Heizsystem 1 mod_1207647329666_6 doc 10005 4 2 5 2 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 determi...

Page 59: ...ruption 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 be expected They appear depending on the t...

Page 60: ...On Cont circuit Time Setpoint Mon 1 Opt Cont circuit Time Setpoint Tue 2 Opt Cont circuit Time Setpoint Wed 3 Opt Cont circuit Time Setpoint Thu 4 Opt Cont circuit Time Setpoint Fri 5 Opt Cont circuit Time Setpoint Sat 6 Opt Cont circuit Time Setpoint Sun 7 Opt Ende der Stückliste ...

Page 61: ...SDC DHC Log EN2H 0220GE51 R0308 61 ...

Page 62: ...Log SDC DHC 62 EN2H 0220GE51 R0308 ...

Page 63: ......

Page 64: ...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 reserved Subject to change without notice EN2H 0220GE51 R0308 Art 045 130 5546 0812 30 ...

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