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Read carefully before installation, commissioning and operation
Heating-Controller HCC 4
Installation and operating instructions
Weathercontrolled heat circuit regulator
pagepage
Content
A.1 EC declaration of conformity 3
A.2 General instructions 3
A.3 Explanation of symbols 3
A.4 Changes to the unit 4
A.5 Warranty and liability 4
B.1 Specications 5
B.2 Temperature resistance table
for Pt1000 sensors 5
B.3 About the controller 6
B.4 Scope of supply 6
B.5 Disposal and pollutants 6
B.6 Hydraulic variants 7
C.1 Wall installation 8
C.2 Electrical connection 9
C.3 Installing the temperature sensors 10
C.4 Installation of additional functions 10
D Electrical terminals 11
E.1 Display and input 12
E.2 Commissioning help 13
E.3 Free commissioning 13
E.4 Menu sequence and menu structure 14
1. Measurement values 15
2. Statistics 16
2.1 Today 16
2.2 28-days 16
2.3 Operating hours Heat Circuit 16
2.4 Operating hours Heat Circuit 2 16
2.5 Operating hours heating 16
2.6 Error messages 16
2.7 Reset / clear 16
3. Times 17
3.1 Time & Date 17
3.2 Heating circuit day 17
3.3 Heating comfort 17
4. Operating modes 18
4.1 Heat circuit 18
4.2 Heat circuit 2 18
4.3 Manual 19
4.4 Heat circuit reference 19
4.5 14 day reference 19
4.6 Heat circuit2 reference 19
4.7 Heat ciruit2 14 day reference 19
5. Settings Heating circuit 20
5.1 Su/Wi Day 20
5.2 Su/Wi Night 20
5.3 Curve 21
5.4 Day correction 22
5.5 Night correction 22
5.6 Comfort temperature boost 22
5.7 Reference/actual - 23
5.8 Reference/actual + 23
6. Settings Heating circuit 2 24
6.1 Curve 24
6.2 Day correction 25
6.3 Night correction 25
6.4 Comfort temperature boost 25
7. Protective functions 26
7.1 Anti-seizing protection 26
7.2 Frost protection 26
7.3 min.owtemperature 26
7.4 max.ow 27
7.5 max.ow2 27
7.6 Discharge protection 27
8. Special functions 28
8.1 Sensor calibration 28
8.2 Commissioning 28
8.3 Factory settings 28
8.4 Expansions 29
8.5 Mixer 29
8.6 Room controller 30
9. Menu lock 31
11. Language 31
10. Service values 32
Z.1. Malfunctions with error messages 33
Z.2 Replacing the fuse 34
Z.3 Maintenance 34
3
Safety instructions
Danger
Caution
A.1 EC declaration of conformity
Bya󰀩xingtheCEmarktotheunitthemanufacturerdeclaresthattheHCC4conforms
tothefollowingrelevantsafetyregulations:
- EClowvoltagedirective
73/23/EEC, as amended by 93/68/EEC
- EC electromagnetic compatibility directive
89/336/EEC version 92/31/EEC version 93/68/EEC
Conformityhasbeenveriedandthecorrespondingdocumentationand
theECdeclarationofconformityarekeptonlebythemanufacturer.
A.2 General instructions It is essential that you read this!
These installation and operating instructions contain basic instructions and important
information regarding safety, installation, commissioning, maintenance and the optimal
use of the unit. Therefore these instructions must be read completely and understood
by the installation technician / specialist and by the system user before installation, com-
missioning and operation of the unit.
The valid accident prevention regulations, VDE regulations, the regulations of the lo-
cal power utility, the applicable DIN-EN standards and the installation and operating
instruction of the additional system components must also be observed. The controller
does not under any circumstances replace any safety devices to be provided by the
customer!
Installation, electrical connection, commissioning and maintenance of the unit may only
becarriedoutbyspecialistswhopossesstheappropriatetraining.
Fortheuser:Makesurethatthespecialistgivesyoudetailedinformationonthefunc-
tionandoperationofthecontroller.Alwayskeeptheseinstructionsinthevicinityofthe
controller.
A.3 Explanation of symbols
Failure to observe these instructions can result in danger to life from elec-
tric voltage.
Danger
Failure to observe these instructions can result in serious damage to
health such as scalding, or even life-threatening injuries.
Caution
Failure to observe these instructions can result in destruction of the unit
or the system, or damage to the environment.
Informationwhichisespeciallyimportationforthefunctionandoptimal
use of the unit and the system.
4
A.4 Changes to the unit
A.5 Warranty and liability
Thecontrollerhasbeenmanufacturedandtestedwithregardtohighquality
andsafetyrequirements.Theunitissubjecttothestatutoryguarantee
periodoftwoyearsfromthedateofsale.
Thewarrantyandliabilityshallnotinclude,however,anyinjurytopersonsormaterial
damagethatisattributabletooneormoreofthefollowingcauses:
- Failure to observe these installation and operating instructions
- Improper installation, commissioning, maintenance and operation
- Improperly executed repairs
- Unauthorised structural changes to the unit
- Installation of additional components that have not been tested together
withtheunit
- Any damage resulting from continued use of the unit despite an obvious defect
- Failure to use original spare parts and accessories
- Use of the device for other than its intended purpose
- Operationaboveorbelowthelimitvalueslistedinthespecications
- Force majeure
- Changes,additionstoorconversionoftheunitarenotpermittedwithout
writtenpermissionfromthemanufacturer
- Itislikewiseforbiddentoinstalladditionalcomponentsthathavenot
beentestedtogetherwiththeunit
- If it becomes clear that safe operation of the unit is no longer possible,
for example because of damage to the housing, then turn the controller
o󰀨immediately
- Any parts of the unit or accessories that are not in perfect condition must
be exchanged immediately
- Use only original spare parts and accessories from the manufacturer.
- Markingsmadeontheunitatthefactorymustnotbealtered,removed
or made illegible
- Only the settings actually described in these instructions may be made
on the controller
Changes to the unit can compromise the safety and function of theunit or
the entire system.
Safety instructions
Danger
5
B.2 Temperature resistance table for Pt1000 sensors
B.1 Specications
Electrical specications:
Mains Voltage 230VAC +/- 10%
Mainsfrequency 50...60Hz
Powerconsumption 2VA
Totalswitchedpower 460VA(Relayoutputs1-5)
Switchedpowerperrelay 460VAforAC1/185WforAC3
Internalfuse 2Aslowblow250V
Protection category IP40
Protection class II
Sensor inputs 5x Pt1000 temperature sensor
1x Room
Measuring range -40 to110°C
Permissible ambient conditions:
Ambient temperature
for controller operation 0°C...40°C
for transport/storage 0°C...60°C
Air humidity
for controller operation max. 85% humidity at 25°C
for transport/storage no moisture condensation permitted
Other specications and dimensions
Housing design 2-part, ABS plastic
Installation methods Wall installation, optionally panel installation
Overall dimensions 163mm x 110mm x 52mm
Aperture installation dimensions 157mm x 106mm x 31mm
Display Fully graphical display 128 x 64 dots
Light diode Multicolour
Operation 4entrykeys
Temperature sensors: (maynotbeincludedinthescopeofsupply)
Immersion sensor Pt1000, e.g. immersion sensor TT/P4
Pipe-mounted sensor Pt1000, e.g. pipe-mounted sensor TR/P4
Outdoor sensor Pt1000, e.g. outdoor sensor TA52
Remote adjuster Pt1000, Typ RC21
Sensor leads 2x0.75mm² extendable up to 30m
°C 0 10 20 30 40 50 60 70 80 90 100
1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385
Description of controller
6
B.4 Scope of supply
• Heating controller HCC4
• 3screws3,5x35mmand3plugs6mmforwallinstallation
• 6strainreliefswith12screws,replacementfuse2AT
• installation and operating instructions HCC4
Optionallycontaineddependingondesign/order:
• 1xoutdoorsensore.g.TA52(Pt1000)
• 1-2xpipe-mountedsensore.g.TR/P4(Pt1000)
• 1xbu󰀨ersensore.g.TT/P4(Pt1000)
• 1xIndoorsensor/remoteadjusterwithmodeswitchRC21
• 1x Immersion sleeve e.g. TH150
• various additional functions expansion boards
B.5 Disposal and pollutants
The unit conforms to the European RoHS directive 2002/95/EC for the restriction of the
useofcertainhazardoussubstancesinelectricalandelectronicequipment.
Caution
Theunitmustnotunderanycircumstancesbedisposedofwithordinary
household refuse. Dispose of the unit only at appropriate collection points
orshipitbacktothesellerormanufacturer.
B.3 About the controller
TheweathercontrolledHeatCircuitControllerHCC4facilitatese󰀩cientuseandfunc-
tion control of your heating system. The device is impressive
most of all for its functionality and simple, almost self-explanatory operation.
Foreachstepintheinputprocesstheindividualentrykeysareassigned
to appropriate functions and explained. The controller menu contains
headwordsforthemeasuredvaluesandsettings,aswellashelptextsor
clearly-structured graphics.
ImportantcharacteristicsoftheHCC4:
• Depiction of graphics and texts in a lighted display
• Simpleviewingofthecurrentmeasurementvalues
• Statistics and monitoring of the system by means of statistical graphics, etc.
• Extensivesettingmenuswithexplanations
• Menublockcanbeactivatedtopreventunintentionalsettingchanges
• Resetting to previously selected values or factory settings
• various additional functions are available e.g. 0...10V connection for boiler control
Description of controller
7
Regulated heating circuit
withoutadd.heating
withoutbu󰀨er
Regulated heating circuit
withadd.heating
withoutbu󰀨er
Regulated heating circuit
withadd.heating
withbu󰀨er
2heat.circuits(reg./notreg.)
withadd.heating
withoutbu󰀨er
2heat.circuits(reg./notreg.)
withadd.heating
withoutbu󰀨er
2heat.circuits(reg./notreg.)
withadd.heating
withbu󰀨er
M
M
M
M
M
HCC
3
4
M
B.6 Hydraulic variants
Description of controller
Caution
Thefollowingillustrationsshouldbeviewedonlyasschematicdiagrams
showingtherespectivehydraulicsystems,anddonotclaimtobecomple-
te. The controller does not replace safety devices under any circumstan-
ces. Depending on the specic application, additional system compo-
nentsandsafetycomponentsmaybemandatory,suchascheckvalves,
non-return valves, safety temperature limiters, scalding protectors, etc.,
and must therefore be provided.
1
3
5
2
4
6
8
C.1.1
C.1.2
Caution
C.1 Wall installation
Install the controller only in dry areas and under the ambient conditions described
underB.1„Specications“.Carryoutthefollowingsteps1-8.
1.Unscrewcoverscrewcompletely
2. Carefully pull upper part of housing from
lowerpart.
3. Set upper part of housing aside, being
sure not to touch the electronics when
doing so.
4. Hold the lower part of the housing up
totheselectedpositionandmarkthe3
mountingholes.Makesurethatthewall
surface is as even as possible so that
the housing does not become distorted
whenitisscrewedon.
5. Using a drill and size 6 bit, drill 3 holes at
thepointsmarkedonthewallandpush
in the plugs.
6. Insert the upper screw and screw it in
slightly.
7. Fit the upper part of the housing and in-
serttheothertwoscrews.
8. Align the housing and tighten the three
screws.
Installation
9
C.2 Electrical connection
Installation
Danger
Before working on the unit, switch o󰀨 the power supply and secure it
againstbeingswitchedonagain!
Checkfortheabsenceofpower!
Electrical connections may only be made by a specialist and in comp-
liancewiththeapplicableregulations.Thecontrollermaynotbeputinto
operationifthereisvisibledamagetothehousing,e.g.cracks.
Caution
Low-voltagecablessuchastemperaturesensorcablesmustberouted
separately from mains voltage cables. Feed temperature sensor cables
only into the left-hand side of the unit, and mains voltage cables only into
the right-hand side.
Caution
The customer must provide an all-pole disconnecting device, e.g. a hea-
tingemergencyswitch.
Caution
The cables being connected to the unit must not be stripped by more than
55mm,andthecablejacketmustreachintothehousingjusttotheother
side of the strain relief.
1. Opencontrollerhousing(seeC.1.1)
2. Stripcablesmax.55mm,insert,tthe
strain relief devices, strip the last 8-9
mmofthewires.(Fig.C.2.1)
3. Open the terminals using a suitable
screwdriver(Fig.C.2.1)andmakeelec-
tricalconnectionsonthecontroller(see
sectionD)
4. Retupperpartofhousingandfasten
withscrew.
6. Switch on mains voltage and place
controller in operation
8...9
~30°
max. 55
C.2.1
10
Installation
C.3 Installing the temperature sensors
C.4 Installation of the additional functions via clamps Z1/Z2
Der Regler arbeitet mit Pt1000-Temperaturfühlern, die für eine gradgenaue Tempera-
turerfassungsorgen,umdieAnlagenfunktionregeltechnischoptimalsicherzustellen.
Caution
If desired the sensor cables can be extended to a maximum of 30m using a
cablewithacross-sectionofatleast0.75mm².
Makesurethatthereisnocontactresistance!
Position the sensor precisely in the area to be measured!
Onlyuseimmersion,pipe-mountedorat-mountedsensorsuitableforthespe-
cicareaofapplicationwiththeappropriatepermissibletemperaturerange.
Caution
S6isbydefaultconnectedbyjumperwiththeterminalblockS-toenablethe
heatingcircuitfunctions.Ifthejumperisremoved,theheatingcircuitisswitched
o󰀨.WhenconnectingtheremoteadjusterRC21thejumperhastoberemoved.
If a third party external thermostat is connected, it’s electrical contacts has to be
oatingandoflowresistance=0Ohm.
Caution
Connect sensor S3 in an optional 2nd heat circuit.
Theoptionalsensor4isusedtoswitcho󰀨theadditionalheatingatthebu󰀨er
storage.
The temperature sensor cables must be routed separately from mains voltage
cables, and must not, for example, be routed in the same cable duct!
Caution
Theinstructionsaresuppliedwiththeexpansionboard.Theinstallationhasto
becommencedaccordinglyandallwarningshavetobeobserved.
Caution
11
Caution
Left-hand terminal
compartment only for
lowvoltageif
max. 12VAC/DC
Danger
Right-hand terminal
compartment only for mains
voltages of
230VAC 50-60Hz
Low voltage max. 12VAC/DC
connection in the left-hand terminal com-
partment!
Terminal: Connectionfor:
- JumperterminalblockS-
S1 outdoor
S2 heating circuit
S3 heating circuit 2
S4 bu󰀨er
S5 indoor sensor
S6 remote adjuster*
+ not used
Z1 Option / add. function
Z2 Option / add. function
Use terminal block S- for connecting the
sensor earths of S1-S6. The polarity of the
sensors is freely selectable.
The sensors S3-S6 are optional, depen-
ding on the hydraulic variant chosen.
Mains Voltage 230VAC 50-60Hz con-
nection in the right-hand terminal com-
partment.
Terminal: Connectionfor:
N JumperterminalblockN
L Mains phase conductor L
R1 Heat circuit pump
R2 Mixer open
R3 Mixer close
R4 Heatcircuitpump(HC2)
R5 add. heating
R5I add. heating
The PE protective conductor must be con-
nectedtothePEmetalterminalblock!
*Note:IftheremoteadjusterRC21oradi󰀨erentexternaloatingthermostatis
connected, the bridge at S6 has to be removed.
ConnectionsMainsVoltage:
- Protective conductor PE metal terminal
block
-NeutralconductorterminalblockN
- Mains phase conductor L
-SwitchoutputR1-R4
- Floating contact at R5/R5I
Caution:Onlysuitablefor230V!
Connectionslowvoltage:
- Temperature sensors S1 - S6
(polarityfreelyselectable)
- Optional additional functions Z1/Z2
D Electrical terminals
Installation
13
Operation
E.2 Commissioning help
E.3 Free commissioning
Ifyoudecidenottousethecommissioninghelp,youshouldmakethenecessaryset-
tingsinthefollowingsequence:
- Menu 10. Language
- Menu 3. Time, date and operating times
- Menu 5 Settings for heat circuit, all settings
- Menü 6. Protective functions if necessary
- Me 7. Special functionsif necessary
Finally,menu4.2underoperatingmode„Manual“shouldbeusedtotesttheswitchout-
putswiththeconsumersconnected,andtocheckthesensorvaluesforplausibility.Then
switchonautomaticmode.
tions ofeachparameterin the display.Pressing theesc“ keytakes youback tothe
previousvaluesoyoucanlookattheselectedsettingagainoradjustitifdesired.Pres-
singthe„esc“morethanoncetakesyoubackstepbysteptotheselectionmode,thus
cancellingthecommissioninghelp.Finally,menu4.3underoperatingmode„Manual“
shouldbeusedtotesttheswitchoutputswiththeconsumersconnected,andtocheck
thesensorvaluesforplausibility.Thenswitchonautomaticmode.
The rst time the controller is turned on
and after the language and time are set, a
query appears astowhetheryouwantto
parametrise the controller using the com-
missioning help or not. The commissioning
help can also be terminated or called up
again at any time in the special functions
menu. The commissioning help guides you
through the necessary basic settings in the
correct order, and provides brief descrip-
Caution
Observe the explanations for the the individual parameters on the follo-
wingpages,andcheckwhetherfurthersettingsarenecessaryforyour
application.
Caution
Observe the explanations for the the individual parameters on the follo-
wingpages,andcheckwhetherfurthersettingsarenecessaryforyour
application.
14
1. Measurements
4. Operating
7. Protections
2. Statistics
5. HC settings
8. Special functions
3. Times
6. HC2 settings
9. Menu lock
10. Service Data
11. Language
E.4 Menu sequence and menu structure
Operation
Currenttemperaturevalueswith
explanations
Functioncontrolofthesystemwith
operating hours, etc.
Operating times for heating circuit and hot
water,settingtheclock
Operating times for heating circuit and hot
water,manualmode
Set parameters for the heating circuit
Anti-seizing protection, Frost prot.,
Anti-Legionella activation
Sensor calibration, Remote adjuster, Mi-
xer, etc.
Against unintentional setting changes at
critical points
For diagnosis in the event of an
error
Selection of the menu language
Set parameters for the 2nd heating circuit
The graphics or overview mode appears
when no key has been pressed for 2 mi-
nutes,orwhenthemainmenuisexitedby
pressing„esc.
Pressing a key in graphics or overview
modetakesyoudirectlytothemainmenu.
Thefollowingmenuitemsarethenavailab-
leforselectionthere:
15
Menu “1. Measurement values” serves to
display the currently measured tempera-
tures.
The menu is closed by pressing “esc” or
selecting“Exitmeasurementvalues”.
Selecting “Info” leads to a brief help text
explaining the measurement values.
Selecting“Overview”or“esc”exitstheInfo
mode.
Caution
If“Error”appearsonthedisplayinsteadofthemeasurementvalue,then
there may be a defective or incorrect temperature sensor.
If the cables are too long or the sensors are not placed optimally, the
result may be small deviations in the measurement values. In this case
thedisplayvaluescanbecompensatedforbymakingentriesonthecon-
troller.
Followtheinstructionsunder8.3.
What measurement values are displayed depends on the selected pro-
gram,theconnectedsensorsandthespecicdevicedesign.
Measurement values
1. Measurement values
16
2. Statistics
Menu 2. Statistics” is used for function
control and long-term monitoring of the
system.
The menu is closed by pressing “esc” or
selecting“Exitstatistics”.
2.1 Today
Flow temperature for the present day
Inthegraphicaloverviewthecharacteristicsofoutdoor-andowtemperatureforthe
presentdayisshownfrom0-24h.Therightbuttonchangestheunitoftimeandthetwo
left buttons scroll through the diagram.
2.2 28-days
Flow temperature during the last 28 days
Inthegraphicaloverviewthecharacteristicsoftheoutdoorandowtemperatureduring
thelast28daysisshown.Therightbuttonchangestheunitoftime(Days)andthetwo
left buttons scroll through the diagram.
2.3 Operating hours Heat Circuit
Display of operating hours of the heat pump connected to the controller, and the date
the measurement started.
2.4 Operating hours Heat Circuit 2
Display of operating hours of the 2nd heat pump connected to the controller, and the
date the measurement started.
2.5 Operating hours heating
Display of operating hours of additional heating, and the date the measurement star-
ted.
2.6 Error messages
Displayofthelastthreeerrorsinthesystemwithindicationofdateandtime.
2.7 Reset / clear
Resettingandclearingtheindividualstatistics.SelectingAllstatistics”clearseverything
except for the error log.
Statistics
Caution
For system data statistics it is essential for the time to be set accurately
onthecontroller.Pleasenotethattheclockcontinuestorunforabout24
hours if the mains voltage is interrupted, and after that has to be reset.
Improper operation or an incorrect time may result in data being cleared,
recordedincorrectlyoroverwritten.
The manufacturer accepts no liability for the recorded data!
17
3. Times
Caution
Menu 3. Times” is used to set the time,
date, operating times for the heating circuit
andhotwater.
The menu is closed by pressing “esc” or
selecting“Exitdisplaymode”.
The associated temperature re-
ference values are specied in
menu5“Settings”!
3.1 Time & Date
This menu is used to set the current time and date.
3.2 Heating circuit day
Thismenuisusedtoselectthedaytimemodetimesfortheheatingcircuit;threetime
periodscanbespeciedforeachweekdayandcopiedovertothefollowingdays.
Setting range: Three time ranges for each day of the week
Default: Mo-Su 6:00-22:00
Note: See 5. for the associated temperature settings
3.3 Heating comfort
Thismenucanbeusedtoselectatimerangeforeachdayoftheweekinwhichthe
heatingcircuitissuppliedwithanincreasedcomforttemperature,e.g.forquickheating
in the morning.
Setting range: One time range for each day of the week
Default: Mo-Su o
Note: See 5. for the associated temperature settings.
Times
Caution
For proper functioning of the controller and statistics for the system data it
is essential for the time to be set accurately on the controller. Please note
thattheclockcontinuestorunforabout24hoursifthemainsvoltageis
interrupted, and after that has to be reset.
Caution
Timesthatarenotspeciedareautomaticallyconsideredtobenighttime
mode. The set times are only taken into account in the heating circuit
operatingmode“Automatic”
18
4. Operating modes
Menu“4.Operatingmodes”isusedtospe-
cify the operating modes for the heating
circuit.
After an interruption of the mains voltage
the controller automatically returns to the
last operating mode selected!
The menu is closed by pressing “esc” or
selecting“Exitoperatingmodes”.
Auto=Automatic/Normalmodeusingthesettimes.
Continous Day =Thesetvaluesfordaymodeareused.
Continous Night =Thesetvaluesfornightmodeareused.
Reference Value =Fixedowtemperatureregardlessoftheoutdoortemperature.The
desiredowtemperaturehastobesetinmenu4.3.
14 day reference value =Specicxedowtemperaturescanbesetforthenext14
days in menu 4.4. After 14 days, the reference temperature of the 14th day is used until
the operating mode is changed.
O󰀨=Heatingcircuitisswitchedo󰀨(exceptFrostprotection)
Settings range: Auto, Continous day, Continous night, Reference value, 14 day refer-
ence, O
Default: Automatic
Auto=Automatic/Normalmodeusingthesettimes.
Continous Day =Thesetvaluesfordaymodeareused.
Continous Night =Thesetvaluesfornightmodeareused.
Reference Value =Fixedowtemperatureregardlessoftheoutdoortemperature.The
desiredowtemperaturehastobesetinmenu4.6.
14 day reference value =Specicxedowtemperaturescanbesetforthenext14
days in menu 4.7. After 14 days, the reference temperature of the 14th day is used until
the operating mode is changed.
O󰀨=Heatingcircuitisswitchedo󰀨(exceptFrostprotection)
Settings range: Auto, Continous day, Continous night, Reference value, 14 day refer-
ence, O
Default: Automatic
4.1 Heat circuit
4.2 Heat circuit 2
Operating modes
Thecontrollerworkswiththesetoperatingtimesandthecorresponding
di󰀨erentreferenceowtemperaturevaluesonlyintheautomaticmode.
Caution
19
In Manual mode the individual relay outputs and the connected consumers can be che-
ckedforproperfunctioningandcorrectassignment.
Functioninmanualmode:
Therelaysandthustheconnectedconsumerareswitchedonando󰀨bypressingakey,
withnoregardtothecurrenttemperaturesandtheparameterswhichhavebeenset.At
thesametime,thecurrentmeasurementvaluesoftemperaturesensorsarealsoshown
in the display for the purposes of function control.
Ifoperatingmode“Referencevalue”isselected,(Menu4.1),thereferenceowtempe-
rature has to be set here, regardless of the curve/outdoor temperature.
Settingsrange:10°Cto75°C
Default: 30 °C
Ifoperatingmode“Referencevalue”isselected,(Menu4.2),thereferenceowtempe-
rature has to be set here, regardless of the curve/outdoor temperature.
Settingsrange:10°Cto75°C
Default: 30 °C
Ifoperatingmode“14dayreferencevalue”isselected(Menu4.1),thereferenceow
temperature for each of the 14 days can be set here.
Intherstmenu4.4.1thestartingtimeoftheprogramisshown.Tostarttheprogram,
hit restart.
Hitting“restart”againwillresetthe14dayreferenceprogramandstartitatday1.
Ifoperatingmode“14dayreferencevalue”isselected(Menu4.2),thereferenceow
temperature for each of the 14 days can be set here.
Intherstmenu4.7.1thestartingtimeoftheprogramisshown.Tostarttheprogram,
hit restart.
Hitting“restart”againwillresetthe14dayreferenceprogramandstartitatday1.
4.3 Manual
4.4 Heat circuit reference
4.6 Heat circuit2 reference
4.5 14 day reference
4.7 Heat ciruit2 14 day reference
Operating modes
Danger
TheoperatingmodeManual”mayonlybeusedbyspecialistsforbrief
function tests, e.g. during commissioning!
20
The menu is closed by pressing “esc” or
selecting“Exitsettings”.
Settings Heating circuit
5. Settings Heating circuit
Thenecessarybasicsettingsrequiredfor
the control function of the heating circuit
aremadeinmenu“5.SettingsHC.
This does not under any circum-
stances replace the safety facilities
to be provided by the customer!
Caution
Summer/Winter changeover in daytime mode
If this value is exceeded at outdoor sensor S1 during the daytime mode times, the con-
trollerautomaticallyswitchestheheatingcircuito󰀨=Summermode.
If the outdoor temperature drops below this value, the heating circuit is switched on
again=Wintermode.
Setting range: from 0°C to 30°C / default setting: 18°C
Summer/Winterchangeover in nighttime mode
If this value is exceeded at outdoor sensor S1 during the nighttime mode times, the con-
trollerautomaticallyswitchestheheatingcircuito󰀨=Summermode.
If the outdoor temperature drops below this value, the heating circuit is switched on
again=Wintermode.
Settings range: 0°C to 30°C / Default: 12°C
5.1 Su/Wi Day
5.2 Su/Wi Night
Caution
In addition to the operating times in normal daytime operation, this setting is
alsovalidfortimeswithactivatedcomforttemperatureboostandactivated
low-rateperiodboost.
21
Slope of the characteristic heating curve
The characteristic curve is used to control the heat dissipation of the heating circuit re-
lative to the outdoor temperature.
Thedemandforheatisdi󰀨erentduetodi󰀨erencesinthetypeofbuilding/insulation/type
ofheating/outdoortemperature.Forthisreasonthecontrollercanmakeuseofanormal
straightcurve(Settingsimple)orasplitcurve(Settingsplit).
Inthesimplesettingthecurvecanbeadjustedwiththehelpofthegraphicdiagram.
Theslopeischanged,andthecalculatedreferenceowtemperatureisdisplayedfor
-12 °C.
If the split mode is selected, the characteristic curve is adjusted in 3 steps. First the stan-
dardslopehastobeset,afterthatthesplitpointandnallythesteepnessofthecurve
after the split. While adjusting the curve the steepness of the slope and the calculated
referenceowtemperaturefor
-12 °C outdoor temperature is displayed.
Settings range:
Characteristic curve : simple or split / Default: simple
Slope : 0.0...3.0 / Default: 0.8
Splitpoint at outdoor temp.: +10°C...-10°C
Angle: diers, depends on steepnes and split point
Settings Heating circuit
5.3 Curve
The diagram shows the inuence of the
selected characteristic curve steepness
(standard curve) on the calculated re-
ference ow temperature of the heating
circuit. The correct curve is appointed by
setting the intersection point of the calcu-
lated maximum ow temperature and the
minimum outdoor temperature.
Example:
Maximum calculated ow temperature
60°C at minimum outdoor temperature ac-
cording to heat demand calculation -12°C.
The intersection results in a slope of 1.2.
22
Settings Heating circuit
Caution
Thefollowingsettingscanbeusedforparalleltranslationofthecharacte-
ristic for certain time periods such as daytime and nighttime mode.
Parallel translation of the characteristic curve
The day correction produces a parallel translation of the heating characteristic during
the daytime operating hours, since depending on the outdoor temperature it is possible
thatthebuildingmaynotbeoptimallyheatedwiththesetcharacteristic.Ifthecharac-
teristicisnotoptimised,thefollowingsituationmayoccur:inhotweather-thespaces
aretoocoldincoldweather-thespacesaretoohotInthiscase,oneshouldgradually
reduce the characteristic slope in steps of 0.2, each time raising the day correction by
2-4 °C. This procedure can be repeated several times as needed.
Setting range: from -10°C to 50°C / default setting: 5
5.4 Day correction
Parallel translation of the characteristic curve
The night correction produces a parallel translation of the heating characteristic during
the nighttime operating hours. If a negative value is set for the night correction, the re-
ferenceowtemperatureisloweredaccordinglyduringthenighttimeoperatinghours.
Inthismanner,primarilyatnight,butalsoduringthedaywhenno-oneisathome,the
roomtemperatureislowered,thussavingenergy.
Example:Adaycorrectionof+5°Candanightcorrectionof-2°Cproducesareference
owtemperatureinnighttimeoperationthatis7°Clower.
Setting range: from -30°C to 30°C / default setting: -2°C
5.5 Night correction
Parallel translation of the characteristic curve
The comfort temperature boost is added to the set day correction. In this manner it is
possibletocarryoutquickheatingand/orahighertemperatureinthelivingspacesata
certain time each day.
Setting range: from 0°C to 15°C / default setting: 0°C = o
5.6 Comfort temperature boost
23
Settings Heating circuit
Caution
Theadditionalheating(relaisR5)isstartedwhentheowtemperature
(incaseof2heatcircuits:oneoftheowtemperatures)isbelowtherefe-
renceowtemperaturefor5minutescontinously.
Switch on hysteresis for additional heating
Thissettingdeterminestheallowedundershootoftheheatcircuittemperatureunder
thecalculatedreferenceowtemperature.Iftheheatcircuitowtemperaturefallsbelow
thereferencetemperaturebythisvalue,theadditionalheating(R5)isactivatedaftera
delay of 5 minutes.
Settings range: -10°C to 10°C / Default: -2°C
5.7 Reference/actual -
Caution
Ifsensor4isnotconnected,theadditionalheatingatR5isswitchedo󰀨
whenthesensoroftheheatcircuitS2(respectively,oftheheatcircuitsS2
andS3)reachesorexceedsthereferenceowtemperature.
Caution
Itisrecommendedtoinstallsensor4inthebu󰀨eratthesamelevel(or
below)oftheheatcircuitconduittopreventunnecessaryswitchingofthe
additional heating.
Switch o󰀨 hysteresis (only if S4 is connected)
Thissettingsdeterminestheallowedoversteppingoftheheatcircuittemperaturetothe
calculatedreferenceowtemperatureatsensor4.IfthetemperatureatS4exceedsthe
referenceowtemperaturebythisvalue,theadditionalheating(R5)isswitchedo󰀨.
Settings range: 1°C to 10°C / Default: 2°C
5.8 Reference/actual +
24
Settings Heating circuit 2
6. Settings Heating circuit 2
Thenecessarybasicsettingsrequiredfor
the control function of the 2nd heating cir-
cuitaremadeinmenu“6.SettingsHC2.
The menu is closed by pressing “esc” or
selecting“Exitsettings”.
This does not under any circum-
stances replace the safety facilities
to be provided by the customer!
Caution
Caution
The settings for Su/Wi Day, Su/Wi Night, Reference/actual- and Refe-
rence/actual+, which are made in Settings heat circuit” are applied to
both heating circuits
Slope of the characteristic heating curve
The characteristic curve is used to control the heat dissipation of the heating circuit re-
lative to the outdoor temperature.
Thedemandforheatisdi󰀨erentduetodi󰀨erencesinthetypeofbuilding/insulation/type
ofheating/outdoortemperature.Forthisreasonthecontrollercanmakeuseofanormal
straightcurve(Settingsimple)orasplitcurve(Settingsplit).
Inthesimplesettingthecurvecanbeadjustedwiththehelpofthegraphicdiagram.
Theslopeischanged,andthecalculatedreferenceowtemperatureisdisplayedfor
-12 °C.
If the split mode is selected, the characteristic curve is adjusted in 3 steps. First the stan-
dardslopehastobeset,afterthatthesplitpointandnallythesteepnessofthecurve
after the split. While adjusting the curve the steepness of the slope and the calculated
referenceowtemperaturefor-12°Coutdoortemperatureisdisplayed.
Settings range:
Characteristic curve : simple or split / Default: simple
Slope : 0.0...3.0 / Default: 0.8
Splitpoint at outdoor temp.: +10°C...-10°C
Angle: diers, depends on steepnes and split point
6.1 Curve
25
Settings Heating circuit 2
Caution
Thefollowingsettingscanbeusedforparalleltranslationofthecharacte-
ristic for certain time periods such as daytime and nighttime mode.
Parallel translation of the characteristic
The day correction produces a parallel translation of the heating characteristic during
the daytime operating hours, since depending on the outdoor temperature it is possible
thatthebuildingmaynotbeoptimallyheatedwiththesetcharacteristic.Ifthecharacte-
risticisnotoptimised,thefollowingsituationmayoccur:
inhotweather-thespacesaretoocold
incoldweather-thespacesaretoohot
In this case, one should gradually reduce the characteristic slope in steps of 0.2, each
time raising the day correction by 2-4 °C. This procedure can be repeated several times
as needed.
Setting range: from -10°C to 50°C / default setting: 5
Parallel translation of the characteristic curve
The night correction produces a parallel translation of the heating characteristic during
the nighttime operating hours. If a negative value is set for the night correction, the re-
ferenceowtemperatureisloweredaccordinglyduringthenighttimeoperatinghours.
Inthismanner,primarilyatnight,butalsoduringthedaywhenno-oneisathome,the
roomtemperatureislowered,thussavingenergy.
Example:Adaycorrectionof+5°Candanightcorrectionof-2°Cproducesareference
owtemperatureinnighttimeoperationthatis7°Clower.
Setting range: from -30°C to 30°C / default setting: -2°C
Parallel translation of the characteristic curve
The comfort temperature boost is added to the set day correction. In this manner it is
possibletocarryoutquickheatingand/orahighertemperatureinthelivingspacesata
certain time each day.
Setting range: from 0°C to 15°C / default setting: 0°C = o
6.2 Day correction
6.3 Night correction
6.4 Comfort temperature boost
26
Protective functions
7. Protective functions
Menu“7.Protectivefunctions”canbeused
by specialists to activate and set various
protective functions. The menu is closed by
pressing“esc”orselecting“Exitsettings”.
This does not under any circum-
stances replace the safety facilities
to be provided by the customer!
Caution
Switching the frost protection function o󰀨 or setting the minimum ow
temperaturetoolowcanleadtoseveredamageofthesystem.
Caution
Iftheanti-seizingprotectionisactivated,thecontrollerswitchestheheatpumpandthe
mixeron/o󰀨at12:00pmfor5secondstopreventseizingofthepump/valveafterlong
periods of inactivation.
Settings range: on, o/ Default: on
Frost protection function can be activated for the heat circuit. If the outdoor temperature
atsensorS1dropsbelow1°Candtheheatcircuitisswitchedo󰀨,thecontrollerswit-
chestheheatcircuitbackonwiththereferencetemperaturesetininmenu7.3(min.
owtemperature).AssoonastheoutdoortemperatureexceedsCtheheatcircuitis
switchedo󰀨again.
Frost protection - settings range: on, o / Default: on
Theminimumowtemperatureisthelowerlimitforthecharacteristiccurve/slopeand
asaresultofthereferenceowtemperatureoftheheatcircuit.Additionally,themin.
owtemperatureisthereferenceowtemperatureforthefrostprotection.
Settings range: 5°C to 30°C / Default: 15°C
7.1 Anti-seizing protection
7.2 Frost protection
7.3 min. ow temperature
27
Protective functions
For safety, the customer must provide an additional limiting thermostat-
whichisconnectedtothepumpsinseries.
Caution
This isused asthe upper limit for thereference owtemperatureof theheat circuit.
Shouldtheheatcircuittemperatureexceedthisvalue,theheatcircuitisswitchedo󰀨
untilthetemperaturedropsbelow.
Settings range: 30 °C to 105 °C / Default: 45 °C
Thisisusedastheupperlimitforthereferenceowtemperatureofthe2ndheatcircuit.
Shouldtheheatcircuittemperatureexceedthisvalue,theheatcircuitisswitchedo󰀨
untilthetemperaturedropsbelow.
Settings range: O, 30 °C to 105 °C / Default: 45 °C
7.4 max. ow
7.5 max. ow 2
To prevent unnecessary cool down of the system, the heating circuit is switched o󰀨
whenthebu󰀨ertemperaturedropsbelowreferencetemperature.
Settings range: On, O / Default: O
7.6 Discharge protection
28
Special functions
Menu“8.Specialfunctions”isusedtoset
basic items and expanded functions.
The menu is closed by pressing “esc” or
selecting“Exitspecialfunctions”.
8. Special functions
Caution
The settings in this menu should
only be made by a specialist.
Deviationsinthetemperaturevaluesdisplayed,forexampleduetocableswhichareto
longorsensorswhicharenotpositionedoptimally,canbecompensatedformanually
here. The settings can be made for each individual sensor in steps of 0.5°C.
Oset S1...S6 per settings range : -10°C...+10°C Default : 0°C
8.1 Sensor calibration
Caution
Settings are only necessary in special cases at the time of initial com-
missioning by the specialist. Incorrect measurement values can lead to
unpredictable errors.
Starting the commissioning help guides you in the correct order through the basic set-
tings necessary for commissioning, and provides brief descriptions of each parameter
inthedisplay.Pressingthe“esc”keytakesyoubacktothepreviousvaluesoyoucan
lookattheselectedsettingagainoradjustitifdesired.Pressingthe“esc”morethan
once takesyouback to theselectionmode, thuscancellingthe commissioning help.
(seealso5.1)
8.2 Commissioning
Caution
May only be started by a specialist during commissioning! Observe the
explanations for the the individual parameters in these instructions, and
checkwhetherfurthersettingsarenecessaryforyourapplication.
All of the settings that have been made can be reset, thus returning the controller to its
delivery state.
8.3 Factory settings
Caution
Theentireparametrisation,statistics,etc.ofthecontrollerwillbelost
irrevocably. The controller must then be commissioned once again.
29
Special functions
This menu can only be selected and used if additional options or expansion modules
have been built into the controller. The associated supplementary installation, mounting
andoperationinstructionsarethenincludedwiththespecicexpansion.
8.4 Expansions
8.5.1 Turn time
Themixerisswitchedoni.e.isopeningorclosingforthetimespansethere,thenthe
temperatureismeasuredtocontroltheowtemperature.
Settings range: 0.5 sec to 3 sec. / Default: 2 sec.
8.5.2 Pause-Factor
Thecalculatedpausetimeofthemixerismultipliedwiththevaluesethere.Ifthepause
factoris“1,thenormalpausetimeisused,“0.5”willusehalfthenormalpausetime,4”
wouldquadruplethepausetime.
Settings range: 0.1 to 4.0 / Default: 1.0
8.5.3 Increase
Ifthetemperaturerisesveryfast,thisvalueisaddedtothemeasuredowtemperature
so that the mixers reaction is stronger.
If the measured temperature does not rise any more, the measured value is used again.
The measurement occurs once every minute.
Settings range: 0 to 20 / Default: 8
8.5 Mixer
Caution
Settings are only necessary at the time of initial commissioning by the
specialist. Incorrect measurement values can lead to severe unpredict-
able errors.
30
Special functions
The settings necessary for the optional room controller RC21 are made in this menu.
The3modes“continousday”,“continousnight”and“Timecontrolled/automatic”canbe
switchedattheRC21.
Additionallythereferencetemperatureoftheowcanbeparalleltranslatedbyturning
thecontrolwheel.Ifthewheelissettominimum,onlytheminumvaluesthatcanbeset
intheprotectivefunctionsmenuwillbeused.
8.6 Room controller
8.6.1 Room controller
Thisvalueisusedtoappointtheamountofinuenceinpercenttheroomtemperaturehas
onthereferenceowtemperature.Foreverydegreeofdeviationoftheroomtemperature
fromthereferenceroomtemperaturethepercentageofthecalculatedreferenceow
temperature set here is added to or, respectively, subtracted from the reference ow
temperature.Aslongasitiswithinthelimitsofthemin.andmax.owtemperaturesthat
can be set in the protective functions.
Example:Referenceroomtemp.:e.g.25°C;roomtemp.:e.g.20°C=5°Cdeviation.
calculatedreferencetemp..:e.g.40°C:roomcontroller:10%=4°C
5X4°C=20°CAccordingtothis20°Careaddedtothereferenceowtemperature,
resultingin60°C.Ifthevalueishigherthantheonesetinmax.owtemp-,theresulting
temperatureisonlytheonesetinmax.owtemp.
Settings range: 0 % to 20 % / Default: 0
8.6.2 Room reference day
The desired room temperature for day mode. As long as this temperature is not reached,
thereferenceowtemperatureisraisedorrespectiveleyloweredaccordingtotheper-
centsettingin“roomcontroller.Ifroomcontroller”issetto0%,thisfunctionisdeac-
tivated.
Settings range: 10 °C to 30 °C / Default: 20 °C
8.6.3 Room reference night
The desired room temperature for night mode. As long as this temperature is not
reached,thereferenceowtemperatureisraised orrespectiveleyloweredaccording
tothepercentsettingin“roomcontroller.If“roomcontroller”issetto0%,thisfunction
is deactivated.
Settings range: 10 °C to 30 °C / Default: 20 °C
Caution
In the operating modes “Reference value” and 14day ref.” the remote
adjusteriswithoutfunction.
31
Menu lock
Themenuslistedbelowremaincompletelyaccessibledespitethemenulockbeingac-
tivated,andcanbeusedtomakeadjustmentsifnecessary:
1. Measurement values
2. Statistics
3. Times
8.Menulock
9. Service values
Toblocktheothermenus,select“Menulockon”.
Toenablethemenusagain,select“Menulocko󰀨.
Setting range: on, o / default setting: o
Menu“9.Menulock”canbeusedtosecure
the controller against unintentional changing
and compromise of basic functions.
The menu is closed by pressing “esc” or
selecting“Exitmenulock”.
9. Menu lock
11. Language
Menu“11.Language”canbeusedtoselect
the language for the menu guidance. This
isqueriedautomaticallyduringinitialcom-
missioning. The choice of languages may
di󰀨er, however, depending on the device
design. Language selection is not availab-
le in every device design!
Language
32
Menu“10.Servicevalues”canbeusedfor
remote diagnosis by a specialist or the ma-
nufacturer in the event of an error, etc.
The menu can be closed at any time by
pressing“esc”.
Service values
10. Service values
Caution
Enterthevaluesatthetimewhen
the error occurs into the table.
33
(Ledashes+warningsymbol)
Z.1. Malfunctions with error messages
Malfunctions
If the controller detects a malfunction, the
redlightashesandthewarningsymbol
also appears in the display. If the error is
no longer present, the warning symbol
changes to an info symbol and the red light
nolongerashes.Toobtainmoredetailed
informationontheerror,pressthekeyun-
derthewarningorinfosymbol.
Possible error /
informationmessages:
Notesforthespecialist:
Sensor x defective Means that either the sensor, the sensor input at
thecontrollerortheconnectingcableis/wasde-
fective.(Resistancetableonpage5)
Restart
(Informationonly)
Means that the controller was restarted, for
exampleduetoapowerfailure.
Checkthedate&time!
Danger
Donottrytodealwiththis
yourself. Consult a specialist in
the event of an error!
34
Ifthemainsvoltageisswitchedonandthe
controller still does not function or display
anything, then the internal device fuse may
be defective. In that case, open the device
as described under C.1, remove the old
fuseandcheckit.
Exchangethedefectivefuseforanewone,
locatetheexternalsourceoftheerror(e.g.
pump)andexchangeit.
Thenrstrecommissionthecontrollerand
checkthefunctionoftheswitchoutputsin
manual mode as described under 4.2.
Fuse
Malfunctions
Danger
Danger
Repairs and maintenance may only be performed by a specialist.
Before working on the unit, switch o󰀨 the power supply and secure it
againstbeingswitchedonagain!Checkfortheabsenceofpower!
Onlyusethesuppliedsparefuseorafuseofthesamedesignwiththe
followingspecications:T2A250V
Z.2 Replacing the fuse
Z.2.1
Performingmaintenance:
-Checkthedateandtime
-Assess/checkplausibilityofstatistics(see2.)
-Checktheerrormemory(see2.7)
-Verify/checkplausibilityofthecurrentmeasurementvalues(see3.)
-Checktheswitchoutputs/consumersinmanualmode(see4.3)
- Possibbly optimise the parameter settings
Z.3 Maintenance
Caution
In the course of the general annual maintenance of your heating system
youshouldalsohavethefunctionsofthecontrollercheckedbyaspecialist
and have the settings optimised if necessary.
35
In the event of uncertainty as to the control response or malfunctions the ser-
vice values are a proven and successful method for remote diagnosis. Write the
servicevaluesdown(see10.)atthetimethatthesuspectedmalfunctionoccurs.
Sendtheservicevaluetablebyfaxore-mailwithabriefdescriptionoftheerror
to the specialist or manufacturer.
Theservicevalues(see10.)includenotonlycurrentmeasurementvaluesand
operating states, but also all of the settings for the controller.Write the service
valuesdownjustonceaftercommissioninghasbeensuccessfullycompleted.
To protect against loss of data, record any statistics and data that are particular-
lyimportanttoyou(see2.)atregularintervals.
Useful notes / tips and tricks
36
Yourspecialistdealer:
HCC4RedesignEnglisch.indd
Finaldeclaration:
Althoughtheseinstructionshavebeencreatedwiththegreatestpossible
care, the possibility of incorrect or incomplete information cannot be excluded. Subject
as a basic principle to errors and technical changes.
Hydraulicvariantset:
Commissionedon:
Commissionedby:
Manufacturer:
SORELGmbHMikroelektronik
Reme-Str. 12
D - 58300 Wetter
Tel.+49(0)2335682770
Fax+49(0)23356827710
www.sorel.de
info@sorel.de
SOREL
34


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