Technische Alternative uvr1611 Installation Instructions Manual Download Page 73 | Manualshive

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Boiler cascade

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If there is demand (flow set temperature T.flow SET suddenly increases) and the flow temperature is
less than the switch on temperature of the controlling boiler (=T.flow SET + DIFF1 ON), the first de-
mand is generated. If the flow temperature remains under the switch-on temperature for the second
boiler (T.flow SET + DIFF2 ON), a second demand is generated. The boilers are switched off in the
same sequence as the flow temperatures exceed the switch-off temperatures (T.flow SDET + DIFF
OFF).

The set flow temperature

T.flow SET

is linked with the following values of the involved functions and

is determined from the highest of these temperatures:

1. From the function module

Heating demand

:

Switch off temperature T.off SET+ DIFF.OFF,

or

demand temperature T.dem.SET+ DIFF.OFF, if no self-provided sensor is used for switch-

ing off,

or

base temperature T.dem.MIN + DIFF.OFF.

The demand itself is generated, when the temperature falls below the demand temperature
T.dem.SET + DIFF.ON or below the base temperature T.dem.MIN + DIFF.ON. An approxi-
mate burner minimum running time is not considered.

2. From the function module

DHW demand

:

DHW set temperature T.DHW SET + DIFF.OFF

or

minimum temperature T.DHW MIN + DIFF.OFF (outside the time window)

The demand itself is generated when the temperature falls below the hot water set tempera-
ture T.DHW SET + DIFF.ON or the minimum temperature T.DHW MIN + DIFF.ON.

If no demand arises out of the involved functions or the release is set to "OFF", then T.flow SET is

+5°C.

Overall menu view (for two boilers as shown in the chart):

DES: BOIL.CASC
FUNCTION STATUS:

INPUT VARIABLE:
OUTPUT VARIABLE:

SERVICE MENU:

T.flow ACT: 34.6 °C

Current flow temperature

T.flow SET: 55 °C

Desired set flow temperature from the demand

BOILER 1:

DIFF.ON: -8.0 K

Switch-on difference to T.flow SET (here, 47°C)

DIFF.OFF: 2.0 K

Switch-off difference to T.flow SET (here, 57°C)

Time delay: 0 sec

Switch-on delay for the first boiler (usually zero)

BOILER 2:

DIFF.ON: -13 K

Switch-on difference to T.flow SET (here, 42°C)

DIFF.OFF: -1.5 K

Switch-off difference to T.flow SET (here, 53.5°C)

Time delay: 15 min

Switch-on delay for the second boiler 15 minutes

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Summary of Contents for uvr1611

Page 1: ...UVR 1611 Version A4 03 EN Manual version 2 Freely programmable universal controller Operation Programming Installation instructions en ...

Page 2: ......

Page 3: ... you can find on our homepage www ta co at it is sometimes to know the programming mechanisms of the unit in order to be able to make local changes remotely In principle however TAPPS is still recommended This enables the specialist to design program and parameterize the entire functionality in a graphical flow chart In order to load the data into the control unit the C M I or the CAN TOUCH is req...

Page 4: ...king Protection 27 MENU Functions 28 The basic standards of the function menu 28 Input variables 30 Output variables 32 Function parameter 34 Time programs 34 Function status 36 MENU Messages 37 MENU Network 39 Output variable 40 Input variable 41 Timeouts 41 Data logging 42 Network nodes 44 MENU Data administration 45 Internal Data administration 45 Data exchange with the PC and or Bootloader 46 ...

Page 5: ...1 Installing the device 102 CAN BUS network 103 Guidelines for the topology of a CAN network 103 Technical principles 103 Lighting protection 104 Examples of different network versions 105 Cable selection and network topology 107 Data link DL bus 108 Electrical connection 109 Technical data UVR1611 111 Accessories 112 Tips on troubleshooting 113 Troubleshooting in the CAN network 115 Information o...

Page 6: ...ored Safe operation is no longer possible if the controller or connected equipment exhibits visual dam age no longer functions or has been stored for lengthy periods in unsuitable conditions If this is the case disable the controller and equipment and secure against unintentional use Maintenance If treated and used correctly the device will not require any maintenance Use a cloth moistened with mi...

Page 7: ...tputs for pumps max 1A A3 Relay output closer for undefined consumers A4 Relay output with opener and closer for undefined consumers preferably for valves without retracting spring A4 combined with A3 is also suitable for mixer motors A5 Relay output potential free with opener and closer for burner demand with the legally prescribed distance to the supply voltage A8 A9 Relay outputs closer for und...

Page 8: ... is the operative range Within this range the programming parameterizing and indicating takes place The lowest line exclusively serves to mark the two keys below in order to be able to assign different functions to it Keys The control unit has two keys below the display They are constantly assigned with the required func tions via the display x10 The changeable value changes for 10 steps each per ...

Page 9: ... The software operating system of the control unit e g version A3 28EN with indicator of the user language C M I Control and monitoring interface web server for data transfer between CAN bus network and LAN network Bootloader Accessory equipment for data transfer between control unit and PC no longer availa ble Boot sector Protected storage area in the processor containing a basic menu for auto pr...

Page 10: ...e software The latest software higher number is available for download under http www ta co at It can be transferred to the control unit by means of accessory equipment the C M I The key MENU offers an entrance to the unit menu MENU Version User Date time Measurement overview Function overview and by scrolling downwards Inputs Outputs Functions Messages Network Data administration ...

Page 11: ...hes automatically to this overview after a few minutes since it is the most important control panel for the user Inputs This menu offers an exact overview of all input values Furthermore parameters for all inputs are set here For details see chapter Menu Inputs Outputs for the complete parameterizing and manual operation of all outputs For details see chap ter Menu Outputs Functions This is the me...

Page 12: ...Outputs yes MENU no SIMULATION no CHANGE EXPERT CODE TO 0 0 0 0 User All indication possibilities but only the most important settings are permitted Technician In addition all the settings are permitted Access only possible via a key number This number can be detected by solving a little riddle hidden in the manual Expert In addition the programming of all functions is possible The necessary key n...

Page 13: ...y for expert USER BLOCK Parameter If set to yes the user is not allowed to change any of the parameters exception function overview all parameters in the user menu and outputs MANUAL AUTO USER BLOCK Outputs If set to yes if set to yes the output conditions can also no longer be changed by the user USER BLOCK MENU if set to yes user and technician now only have access to the function over view and ...

Page 14: ...see user menu MENU Measurement overview In this menu all entries of the measured values are listed in a table MEASUREMENT OVERVIEW 1 60 3 C 27 6 C 3 49 2 C 88 4 C 5 29 0 C 47 5 C NETWORK INPUTS 1 OFF ON 17 25 4 C 10 6 C In other words the temperature at sensor 1 is 60 3 C the one at sensor 2 is 27 6 C etc If there is a network connection to other devices the analogue values and digital conditions ...

Page 15: ...y be too long In other words this menu is by far the most important interface to users The following display is an example of the system with one heater circulation one heat meter and a DHW demand function HTG CIRC 1 F 5 OPERAT RS TIME AUTO STANDARD T roomSETBACK 15 C T room STD 20 C TIME PRG DHW_DEM F 9 DHW TEMP T DHW ACT 60 5 C INPUTS The controller automatically switches from any menu to the fu...

Page 16: ...llowing entry can be changed users may also make these changes User area A B User area B C User area C T If the value in the following entry can be changed only technicians but not users may make these changes E If the value in the following entry can be changed experts may make these changes Only experts and technicians can see this entry which is hidden for users Enter lines About your current p...

Page 17: ...rent time appears in the function overview next term such as summertime Now the display shows S User A Fr 24 04 2009 A Summertime Use the command S to enter the collector temperature but instead of User enter Input and this in formation is in the input menu S User A Fr 24 04 2009 A Summertime S Input Every time the command S is entered the function overview displays a new bar across the width of t...

Page 18: ...be confusing and should not be used In addition With any function is called via S the heading of the selected function that allows the user a direct entrance into the function is always automatically entered in the overview Users can thus reach all the areas of the selected function from the overview All of the entries concerned are automatically deleted when the expert deletes this function in th...

Page 19: ... PAR by means of the scroll wheel By pressing the wheel the entrance is effected and the indication TYPE unused appears First it has to be determined which basic characteristic TYPE the sensor owns Possible selections unused The input is not used ANLG Temperature ambient temp radiation sensors and others DIGITAL Direct ON OFF control input possible at each input from another function or con nectio...

Page 20: ...he standard temperature sensor and KTY 10 If a short circuit and or interruption occur an active SENSOR CHECK issues automatically en error message in the function overview If SENSORCHECK is active the sensor status is also available OFF for a correctly working sen sor and ON for a defective sensor short circuit or circuit interruption As the sensor status can also be set as source of an input var...

Page 21: ...using scaling The calculated voltage rate is averaged over 1 sec In addition the inputs 15 and 16 are able to detect faster pulses pulse duration min of 50 ms pause of min 50 ms Thereby they are suitable as inputs for volume flow encoders The parameterizing of a pulse input leads to the following indication TYPE IMPULSE MEAS VAR Flow rate DESIGNATOR GROUP General DES Flow rt sol QUOTIENT 0 5 l Imp...

Page 22: ... 20 km h 1Hz Therefore the frequency at one km h is equal to 0 05Hz Connection of electronic sensors in version DL Electronic sensors for temperature pressure humidity differential pressure etc are also available in the DL version In this case the supply and signal transmission takes place via the DL bus Due to the relatively high power requirement the bus load must be considered The controller UV...

Page 23: ...ressing the wheel selecting the state pressing the wheel The current status of the output is immediately shown up in the status line of the outputs As the speed control function at output 1 is active the current speed stage is also faded in This only can be changed in manual mode for experimental purposes As seen at the output 5 neither the Designator nor the status of the output appears before th...

Page 24: ... after the entrance the TYPE MIXER has been selected the following indication appears OUTPUT STATUS TYPE MIXER DESIGNATOR GROUP General DES RUNTIME 2 5 min With RUN TIME the total running time of the mixer motor has to be fixed Where there are stability problems in the mixer control circuit the mixer running time can be in creased or reduced to lengthen or shorted the pulses or pauses This has no ...

Page 25: ...s For a yes input Network inputs are output to the DL bus as a second data record Output 14 as switching output When required output 14 together with an external 12 V 20 mA relay laid to ground can be used as an additional switch output The relay must be fitted with a suitable free wheeling diode Recording of the measured values with the data logger and capturing sensors via the DL bus link are no...

Page 26: ...vel of about 10 V and a frequency of 2 kHz with a variable duty cycle 0 100 Examples for different scaling Correcting variable for PID function Mode 0 10 V correcting variable 0 should correspond to 0 V correcting variable 100 should correspond to 10 V OUTPUT STATUS MODE 0 10 V SCALING 0 0 00 V 100 10 00 V The correcting value is imported without a decimal point Outp voltage digital command 10 00 ...

Page 27: ... We Th Fr Sa Su at 16 30 OUTPUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 analog 16 In the example the pumps 3 4 6 9 and 10 are activated for 30 seconds on Tuesday and Friday at 16 30 if the output has not been active since the controller start or the last call of the anti skid control However the computer does not connect all outputs at the same time but begins with output 3 switches after 30 seconds t...

Page 28: ...agram of a function module By means of the input variables of the function module the module receives all data necessary for the internal decision Most of it will be temperature data In addition each module has the input variable ENABLE which means a general permission for processing the task Within the function module the decisions and the set values are calculated by means of the data and settin...

Page 29: ...der TYPE in order to switch to the selection of a function module Now the desired module can be selected by means of the scroll wheel By pressing the wheel once again the new module SOLAR CONTROL is called Indication example TYPE SOLAR CONTROL DES ADD no In the line DES a text for the module can be selected by the usual operation press select text press Assuming that a solar circuit already exists...

Page 30: ... Status ON The line ENABLE HEATING CIRC represents the general permission of the entire function module The user has effected the enable ON as signal source Instead of User another source of enable can be selected such as Input The must be an input that is set to DIGITAL during input parameterization Output In some cases the outputs of the control unit are controlled by multiple modules such as a ...

Page 31: ... module CHARGING PUMP ENABLE PUMP Source CHRG PUMP1 Enable via the module with that specification 1 Stat chrg pump via the output status of the module Mode invrs via the inverse output status of the module Status ON heating circuit pump is currently enabled Hence the enable of the heating circuit pump is controlled by the function module CHARGING PUMP with the specification CHRG PUMP 1 Since the m...

Page 32: ...an now be assigned to a hard ware output under output variable Indication example we are already in the menu of the function 6 SOLAR 1 DES SOLAR 1 FUNCTION STATUS INPUT VARIABLE OUTPUT VARIABLE COLLECTOR TEMP Other text lines by scrolling After entering the menu OUTPUT VARIABLE the following menu appears SOLAR 1 SOLAR CIRC Status OFF OUTPUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 analog 16 The output ...

Page 33: ...nts were made or not the variable is available for other function mod ules The output variable switch status pump on off from SOLAR 2 and possibly also from SOLAR 1 in the example can be assigned as input variable to the module PID CONTROL speed control By this the starting of the speed control for the common solar pump can be switched via the input variable ENABLE The following output variables a...

Page 34: ...ach time program can be as signed separately to undefined days As the function parameters are an essential integrated part of a function module they are explained extensively in the description of the various function modules Time programs They are set up in the same way in almost each function module and thus can be described here in a general way Assumption The module HTG CIRC CTRL has already b...

Page 35: ... at the end of the menu to change a number of time windows and programs for a function module already entered DELETE FUNCTION CHANGE FUNCTION INSERT FUNCTION Use CHANGE FUNCTION to open the following menu for the example above TYPE HTG CIRC CTRL DES HTG CIRC 2 Scope of TIME PROG Number of prog 1 No of windows 3 with set value no CHANGE no Here the number of time programs desired and the number of ...

Page 36: ...ump is enabled The entry FUNCTION STATUS at the beginning of every basic menu provides a quick overview of the status This submenu lists all of the effective functional elements with a to the right indicating that is acti vated Each functional element that does not have a check at the end of the line blocks the output variables at that moment Indication example ENABLE HTG CIRC 2 ENABLE PUMP ENABLE...

Page 37: ...nment with an on signal Output dominant OFF Overwrites the assignment with an off signal Output Reset fault Creates a pulse three seconds long when resetting Special features Each message line has a deletion input that can be assigned to an acknowledgment key via a digital input or that allows for automatic reset with another function The message can only be deleted by using the scroll wheel with ...

Page 38: ...that the pumps are always reliably switched on when the event occurs At the same time assigning this output for the burner demand via OUTPUT dominant OFF ensures that the burner is switched off in all cases In general If outputs are triggered by means of dominant commands even for other modules that have such options all control signals from simple assignments are overwritten including manual mode...

Page 39: ...rk must be allocated its own address node number 1 62 Enable Without network release ON the device cannot send or receive messages it would thus not be able to take part in communication Autooperat If the network only consists of devices from the UVR1611 family UVR1611 CAN monitor C M I etc autooperat must be set to yes normal case If there is a master or network manager in the network autooperat ...

Page 40: ...ditions This menu determines the conditions for the transmission of output variables DIGITAL OUTP 1 16 with change yes Block time 10 Sec Interv tm mtr 5 Min ANALG OUTP 1 4 with change 30 Block time 10 Sec Interv tm mtr 5 Min The transmission conditions are divided into five groups digital network outputs 1 16 analogue network outputs 1 4 5 8 9 12 and 13 16 with change yes no Transmission of a digi...

Page 41: ...Sensor address 1 INPUT 2 NW Node 1 sensor address analg NW outp 1 index of the volume flow see data sheet of respective sensor Source DL Value 357 Parameterizing of the digital input variables takes place in the same way Timeouts Timeouts are monitoring functions that can cause reactions in the control strategy if bus messages are missing such as a result of a device failure The timeouts are divid...

Page 42: ...gs of the C M I for the data logging via CAN bus are described in the online help of the C M I Menu overview MASTER NODE 56 Timeout 60 Sec digital values analogue values delete all def WARNING Settings are immediately deleted without prior secu rity prompt Master Node The controller is allocated a C M I as logging master The logging command of this master has absolute priority this means that the ...

Page 43: ... of the two data records are defined Data record 1 digital values 1 13 Data record 2 digital values 14 26 DATALOGGING ANALOGUE VALUE 1 Source Input 1 T collector Status 105 6 C ANALOGUE VALUE 2 Source HTG CIRC 1 1 Set flow temp Status 58 2 C Analogue values in this sub menu the total 32 analogue parame ters of the two data records are defined Data record 1 analogue values 1 16 Data record 2 analog...

Page 44: ...nd ID 00 00 00 CB Pr Code 02 00 02 04 Rev Nr 00 01 00 00 Des CAN I O 44 Load menu page selected node number Vend ID Manufacturer identification number CB for Technische Alternative GmbH Pr Code Product code of the selected node here for a CAN I O module Rev Nr Revision number Des Node product description These data are fixed values specified by Technische Alternative GmbH and cannot be changed MEN...

Page 45: ...YSTEM BOOTLD Download oper system BOOTLD CTRLLR Internal Data administration Current function data TA FACTORY SETTING The function data with this specification have been transferred to the control unit The TA factory setting can be loaded by simultaneously pressing the two input keys and scroll wheel when starting up the controller Status original Since transmission nothing has been changed in the...

Page 46: ...p copy Besides the function modules it also clears the parameterizing of all in and outputs Data exchange with the PC and or Bootloader DATA BOOTLOADER Upload data All function data are transferred via the CAN Bus or the infrared interface to the Boot loader for the data protection in the PC Choosing this command leads to the following indication CTRLLR BOOTLD DATA SOURCE Ctrllr Function data Tran...

Page 47: ... via cable as well as via IR OPER SYSTEM BOOTLD Download Operating System By its flash technology the unit offers the possibility to replace the own operating system unit software by a more current version purchase from the download area of the address http www ta co at by means of the Bootloader The application of a new operating system is only advisable if it contains new necessary functions An ...

Page 48: ...Pump speed control Analogue function Searches for the lowest highest temperature or the average Profile function Creates time related temperature values such as for age hardening of Floor pavement Logic function AND OR holding function Flip Flop Time switch Freely usable time switch clock Timer function Freely usable time interval function Synchronization Creates date related switching signals Hea...

Page 49: ...ot have a hysteresis that can be adjusted and is divided in to a switch on and a switch of differential If the cylinders have bare tube heat exchangers the reference temperature sensor should be screwed into the heat exchanger outlet using a t shaped connector and an immersion sleeve see the section on installing sensors in the instruction manual If the surface of the collector is too large the re...

Page 50: ...ch on differential T coll T ref DIFF OFF 4 0 K Switch off differential T coll T ref LIMIT TEMP T lim ACT 54 0 C Current temperature of the limit sensor T lim MAX 70 C Blocked by sensor Hysteresis 3 0 K Release at T lim MAX minus hysteresis Because the module is used for all kinds of consumers the labels reference temperature and limit temperature have been specified as generally applicable When us...

Page 51: ...ches the switch on differential for the con sumer currently being charged while the pump is running the priority timer is activated If a radiation sensor is used it must exceed at threshold value in lieu of the switch on differential The priority timer switches the pump off for delay time 1 60 sec After flushing 1 3 the computer then calculates the increasing collector temperature It recognizes wh...

Page 52: ...ty SEC TIMER from prim stage 2 SOLAR 1 and 4 are loaded as absolute without time element Solar rad 488 W m Current solar radiation does not apply without radiation sensor Thres val 200 W m Activation threshold for timer does not apply without radiation sensor Runtime 20 Min Runtime for the consumer of lower priority until timer starts delay time 5 Min The collector must reach the temperature of th...

Page 53: ... Reference temperature Input of the collector sensor Involved functions Entry of all solar functions for the collector field in the function list Entire menu view DES SOL START FUNCTION STATUS INPUT VARIABLE OUTPUT VARIABLE Activation time 07 00 20 00 h Time window for permission of start function Runtime 15 Sec Rinsing time Interval 20 Min Maximum delay between rinses Activ grad 20 or radiation t...

Page 54: ... input variable to make it easy to link it You only need to enter source User as the set ting value The user can see it as a common function parameter when it appears in the menu of the function In addition to the output indicated with a set speed the function module also provides a switchable output This output can be used to block other functions during the cooling phase The maximum set value do...

Page 55: ...mode is possible via a dimensionless number 64 to 67 In addition to the pump and the mixer this function also provides a calculated flow tempera ture T flow SET and the status of maintenance and frost protection modes e g for messag es Another output variable is the effective room temperature T room EFF which is influenced by the timer and other functions A heating control unit without a mixer can...

Page 56: ...d to switch off the pump SHUTDOWN CONDITION Submenu to switch off the pump and conditions for mixer FROST PROT Submenu where the outdoor temperature is indicated to keep the room at a certain minimum temperature OPERATION TIME AUTO may also be found under OPERAT if unused has been entered as an input variable for the room sensor Furthermore you can also switch to the following heating functions he...

Page 57: ... To prevent such damage the heating circuit is operated ac cording to a set outdoor temperature of 0 C if the outdoor temperatures are clearly too high and FAULT is displayed under OPERAT Status of the heating circuit pump and the mixer relative to the operation mode and releases Operation mode Enable heating circuit Enable pump Enable mixer Status pump Status mixer X OFF x x OFF OFF Maintenance x...

Page 58: ... switch must never be linked with a temperature sensor because the controller can be damaged otherwise TIME PROGRAM Parameterizing of the time program is described in the chapter Menu functions The room temperature T room STD or the set value applies in the time window T room SETBACK applies outside the time window The switchover causes a corresponding parallel shift of the heating curve and there...

Page 59: ...ng curve in two ways With reference to the slope as is common in many heating control units As a product of the relation between the outdoor temperature at 10 C and 20 C and the flow temperature Here another reference point is set at plus 20 C outdoor temperature plus 20 flow temperature In both of these methods the influence of the outdoor temperature on the flow temperature is not linear Via Slo...

Page 60: ... the slope for selection Heat Curve Slope T flow MAX 65 C The flow must not exceed this value T flow MIN 20 C The flow must not drop below this value Start excess Increasing on Start The precise formula for the start excess is T flow SET Start excess T flow SET T flow SET Start excess 100 Meter 30 The meter is increased by 1 every 20 minutes with a switched off heating circuit pump with a switched...

Page 61: ...ture has been reached If T flow SET MIN yes Hysteresis 2 0 K when the flow temperature falls below the lower limit T FlowMIN If T outs Av off MAX no T outs MAX 20 C Hysteresis 2 0 K when the average outdoor temperature T Out MAX exceeds a set value in the heating or lowering mode If setback mode and T outside ACT MIN no T outs MIN 5 C Hysteresis 2 0 K when the outdoor temperature T Out exceeds a s...

Page 62: ...tion of the frost protection function If T outs ACT T outs av c or if RAS available T room ACT T room FROST then T flow SET T flow MIN mode display FROST PROT Switching via digital ON at the external switch to EXT STANDBY without activated frost protection function T flow SET set to 5 C mode display EXT STANDBY Activation of the frost protection function If T outs ACT T outs av c or if RAS availab...

Page 63: ...o the mixer output the function also sets the overall set value as the effective con trol temperature T ctrlEFF for the output variable As the module can only be switched via its enable the mixer setting is preset to enable OFF In addition to standard the mixer mode can also be set to inverse such as a cooling function for wall heaters etc Under inverse the mixer opens as the temperature increases...

Page 64: ...sists in the differential between the switch on and switch off Both Va Vb and Va Vb can be used as output variables When comparing a temperature sensor with a threshold value value b is entered as user under the input variables this ba sically functions as a mechanical thermostat with mutual contact Va Vb make contact and Va Vb break contact If sensors have been assigned to both values the result ...

Page 65: ...n be set These two thresholds are defined as input variables to make it easy to link them The example used is a link with the burner demand for DHW preparation The function DHW demand provides the set temperature for the cylinder as an output variable The set tempera ture can therefore be used simultaneously as the maximum temperature for the charging pump function If the two input variables can b...

Page 66: ...h off differential to T feed MIN here 60 C REFERENCE TEMP T ref ACT 65 7 C Current cylinder temperature T ref MAX 90 C Cylinder limit DIFF ON 1 0 K Switch on differential to T ref MAX here 91 C DIFF OFF 5 0 K Switch off differential to T ref MAX here 95 C DIFFERENCE FEED REF DIFF ON 6 0 K Switch on differential FEED REF DIFF OFF 3 0 K Switch off differential FEED REF While the minimal feeder tempe...

Page 67: ...s and sensors so that the two thresholds do not have any hysteresis Instead both thresholds have a differential to the value that can be cumulated Switch on threshold Set value demand DIFF ON at sensor T dem Switch off threshold Set value shutdown DIFF OFF at sensor T off The method of burner demand via a sensor and switch off via another one is called holding circuit If a switch function has sepa...

Page 68: ...reater than the double shortfall set value demand temperature the burner is started immediately such as when the heating circuit switches from set back to standard mode or when a shutdown condition is no longer fulfilled and the heating circuits go into operation again In practice neither the demand temperature nor the set value are constant The difference between the two values over time will nor...

Page 69: ...ylinder is colder than the calculated heating circuit flow with the input variables ENABLE User ON The function is enabled DEMAND TEMPERATURE Source input sensor buffer top SHUTDOWN TEMP Source User unused only one sensor is being used SET VALUE DEMAND Source HEATING CIRCUIT T flow SET is thermostat value The calculated flow temperature of the function heating circuit 1 is given as the set value a...

Page 70: ...enter User as the source Now it will appear as a common function parameter in the function menu The set temperature indicates the desired temperature within definable time windows In or der to ensure a minimum cylinder temperature even outside the time windows T DHW MIN minimum DHW temperature can be used to generate a demand outside these specified times The effective set temperature T DHW EFF cu...

Page 71: ...e sets off the excess temperature protection in the boiler It is also possible to charge the cylinder outside the programmed time window to the set tem perature once by pressing the key Entire menu view DES WW REQ FUNCTION STATUS INPUT VARIABLE OUTPUT VARIABLE SINGLE CHARGING Charge the cylinder outside of the main time by pressing the key START DHW TEMP T DHW ACT 54 3 C Current temperature of the...

Page 72: ...ond third boiler stage Status burner demands for boiler A B C Indication of the outputs Flow temperature Common flow Status of boilers 1 2 3 Status of burners demanded involved functions Indication of the de mand modules involved Special features Few input variables as the module automatically communicates with them internally by means of the indication of the functions involved Recording of the b...

Page 73: ...T dem SET DIFF ON or below the base temperature T dem MIN DIFF ON An approxi mate burner minimum running time is not considered 2 From the function module DHW demand DHW set temperature T DHW SET DIFF OFF or minimum temperature T DHW MIN DIFF OFF outside the time window The demand itself is generated when the temperature falls below the hot water set tempera ture T DHW SET DIFF ON or the minimum t...

Page 74: ...ating time 284 hrs Total boiler runtime A 284 hours RESET METER no yes to reset the meter Boiler B automatic boiler change yes Change dominant boiler if B A 200 hours Operating time 91 hrs Total boiler runtime B 91 hours RESET METER no yes to reset the meter Difference hours run for boiler change 200 hrs Once a difference of 200 operating hours between A and B is reached the control boiler is chan...

Page 75: ...old the temperature difference is used between the cylinder temperature and the return temperature DIFF MIXT If the cylinder temperature minus DIFF MIXT is less than the set return temperature T DHWciSET this val ue is considered the limit temperature Mixture protection is deactivated without a cylinder sensor source user If hygienic warm water is to be provided instead of a DHW cylinder the pulse...

Page 76: ...T DHWciSET the new value is T DHWciSET Effective circulation return temperature For the option Pulse in lieu of Time the following menu options are displayed in place of the time program Ddiff_on 2 0 K Temperature change of 2K seconds starts the pump Runtime 90 Sec Maximum runtime per interval Pause time 10 Min Minimum interval time minimum time between two pump runs If the operating mode Time pul...

Page 77: ...hus reducing T ref Stabilizing T cyl would not make sense because the varying flow rate would not affect T cyl directly and thus not lead to a functioning regulating circuit Differential control Keeping the temperature between two sensors stable Keeping the temperature difference constant between for example T coll and T ref leads to a slid ing operation of the collector If T coll drops as a resul...

Page 78: ...arge number makes the system more stable and leads to a greater deviation from the regulation The integral part I periodically adjusts the speed relative to the deviation remaining from the propor tional part For 1 K of deviation from the set value the speed is changed one increment every X sec onds A larger number makes the system stable but the adjustment to the set value is slower The different...

Page 79: ...ntial control Reference sensor the colder sensor e g cylinder of the differential control Activation temperature event control Sensor where an event is expected Activation threshold Temperature event at the above sensor Control temperature event control Sensor which is kept stable after the occurrence of an event Set value event control Desired set regulation tem perature for the event control Sim...

Page 80: ...th the difference T diff to T diff T diff ACT 50 3 C The sensor at the source is currently measuring 50 3 C T diff ACT 42 7 C The reference sensor is currently measuring 42 7 C SET DIFF 8 0 K The desired difference T diff to T diff should be 8 K EVENT CONTROL MODE off No event control is allowed If std then COND ACT THRES Condition T activACT 48 1 C The sensor that activates the function is measur...

Page 81: ...bles In this way the average of multiple measurement values can be calculated o FILTER The output variable is the temporal average of the first input variable All oth er inputs are ignored The average time can also be set o SUM The output variable is created based on the following formula from the sum of in put variables E 1 6 sum E1 E2 E3 E4 E5 E6 For example if the input vari able E2 is set to U...

Page 82: ...nction HTG CIRC 2 INPUT VARIABLE 3 Source DHW_DEM 1 eff set temp Offset 0 0 K Input variable 3 is the effective temperature of the function DHW_DEM INPUT VARIABLE 4 Source User The user sets the socket temperature in the menu Entire menu view DES MAX an INPUT VARIABLE OUTPUT VARIABLE FUNC VAR Temp All inputs are temperatures FUNCTION MAX Output of the highest temperature of the inputs VAR 1 53 6 C...

Page 83: ...n etc Each of the input variables can be manually operated directly from the function by entering User However the command STOP PROFILE behaves differently than a linked input varia ble in manual mode In the link the meter is only stopped as long as the stop signal is active thereafter the meter continues running In the manual mode STOP PROFILE also generates a reset The meter then starts from the...

Page 84: ...l no No repeat after the profile has ended Int Sync 24 0 Hrs Switch to the next value every 24 hours Adjustment range 1 sec to 48 hours START PROFILE Press the scroll wheel to manually start the function The following will appear when started STOP PROFILE Display only if the input variable Start Profile is set to User CURRENT STAGE 3 SET VALUE 26 0 C The set value of stage 3 is 26 C Stage 1 20 C S...

Page 85: ... The FLIP FLOP function also known as holding circuit works according to the following for mula o Output constantly ON if at least one of the inputs I1 I3 I5 were set to ON set holding circuit even if the input decreases again afterwards set pulse o Output constantly OFF if at least one of the inputs I2 E4 I6 were set to ON delete holding circuit The Delete command dominates Hence no setting is po...

Page 86: ...e function forms the command ON as the output variable In the function heating circuit con trolr it now allows the release of the pump as an input variable if either the boiler thermostat or the buffer thermostat has exceeded the required temperature Value table based on two inputs enable AND Enable Input 1 Input 2 Result Inv result Commentary ON OFF OFF OFF ON ON ON OFF OFF ON ON OFF ON OFF ON ON...

Page 87: ...nction such as charging pump as an INPUT VARIABLE ENABLE the function receives additional time conditions As with all other function mod ules the time switch can be entered several times in the function list i e multiple time switches can be available Special features When the function is set up the question with set value yes no appears next to the ques tions about scope time programs window If y...

Page 88: ...at least five minutes Blocking Time 0 Days 10 0 hr Then the time switch is blocked for 10 hours Legionella protection is another example Here the time switch function is used to heat up the cylinder to 60 C at night to prevent legionella from forming If this temperature is reached anyway during the day such as by the solar system there is no need of additional heating and the function is blocked A...

Page 89: ...s in addition to various stages of up to 48 hours Special features The set impulse time can be varied from 0 100 percent via the input DUTY FACTOR The impulse time can thus be varied via signals and computer values To make it an adjustable value in the menu User has to be entered as source Use the command MODE to choose between six basic functions If enable OFF then both output variables are set t...

Page 90: ...he trigger input causes immediate switching off of the output Min runtime The ON signal at the trigger input immediately switches the output on If the input drops during the timer window OFF the output remains switched on nonetheless until the timer window has expired If the trigger input has the status ON after the impulse time has elapsed then the output stays switched on Blockage The ON signal ...

Page 91: ...e A duty factor of 30 results in 30 ON and 70 OFF for the entered switch on time Impulse If the selected trigger slope occurs the output for the timer time switches on A trigger input status change during the impulse time does not change the output status The trigger slope is positive if the input status changes from OFF to ON or from switch open to switch closed closing A change from closed to op...

Page 92: ...mmed The setting cyclical once determines whether the window whose parameters are set is to oc cur once or repeatedly cyclical The output Contr Start only generates a 30 second pulse when the device is switched on or reset Example Assuming that a damp basement room is to be periodically heated a time laps is prepared for other modules that then handle the heating This procedure is to take place fo...

Page 93: ...heat meter is increased by the Quotient Factor Wh Special features When the temperature difference is calculated the tolerance of the sensors and the measur ing device may lead to large errors if the difference is 10 K the error is approximately 30 To compensate for these errors the device has a patented calibration method that can be found in the service menu The collector sensor can also be used...

Page 94: ...erall submenu view SERVICE MENU RESET METER no Reset the heat meter HEAT AMOUNT 123 4 kWh Total heat amount in kWh CALIBRATION START no Start command for calibration Status UNCALIBRATED The heat meter has not been calibrated DIFFEREN 0 56 K Display of the difference measured during the calibration pro cess Calibration process 1 Submerge the sensors in the water bath 2 Start the calibration process...

Page 95: ...ther input variables are ignored In addition a divider can be indi cated If this divider is set to say 2 only every second pulse at the input variables raises the meter by one The meter can read impulses up to a maximum frequency of 1 Hz 1 pulse per second The minimum pulse duration across inputs 1 to 14 is 500 ms across inputs 15 and 16 50 ms The meter reading can be reset using input variables o...

Page 96: ...he output involved functions Indication of the heat ing circuits Burner output indication of the speed control output Entire menu view FUNCTION START Press the scroll wheel to activate the burner and the heating circuits number FUNCTION STOP DES FL G INSP Status OFF The function is deactivated stopped Runtime 0 Min Remaining burner runtime INPUT VARIABLE OUTPUT VARIABLE Ttl runtime 20 Min Total bu...

Page 97: ...hreshold or difference can be monitored using ENABLE DIFF CTRL If this control has been enabled then the following applies If sensors are assigned to both control values the monitoring of the differences is active If control value b is set to User it is an adjustable temperature threshold that applies for the control value a as a limit value to be monitored If the monitoring of the difference is n...

Page 98: ... value a is being monitored for example Error if over at least 30 Min Error minimum time setting CVa 30 C Error threshold setting Troubleshooting Save error yes ERROR remains displayed even after the remedy has been provided until the user presses the scroll wheel to confirm Delete error display If the error continues after deletion the message will be reissued after a certain delay Save error no ...

Page 99: ...ltaneously pressing the two input keys and scroll wheel when starting up the controller The factory settings are based on the following hydraulic diagram for solar warm water system with a buffer and DHW cylinder a boiler fired with wood pellets or oil gas and two heating circuits A detailed description of the programming can be found on our homepage www ta co at A5 Heating demand ...

Page 100: ... immersion sleeve for fin coil heat exchangers just above the exchanger or if integrated bare tube heat exchang ers are used on the lower third of the exchanger or the exchanger s return line so that the immersion sleeve is inside the exchanger s tube The sensor that monitors the heating of the cylinder from the boiler is installed at the level of the desired amount of warm water during the heatin...

Page 101: ... wireless sensor Outdoor temperature sensor This sensor is installed on the coldest wall side usually the north some two meters above ground Avoid temperature influences from nearby air shafts open windows etc Sensor lines All of the sensor lines with a cross section of 0 5mm2 can be extended up to 50m With this length of line and a Pt1000 temperature sensor the measurement error is approx 1K Long...

Page 102: ...wdriver point 2 sketch left flip the lid up and to the back and remove it Attach the console at eye level approximately 1 6 meters high to the wall using the installation mate rial provided so that the cable out puts are at the bottom The console has a separate lead for each power supply cable The very fine separation bridges sometimes break when the openings are popped out As each power cable wil...

Page 103: ...hat all are connected to the same equipotential bonding system SingleEentryPoint princi ple The purpose is to create potentials that are as similar as possible in order to achieve the smallest possible potential difference to adjacent lines in case one line suffers a voltage surge lightning strike Also ensure a corresponding clearance between the cable and light ning protection systems The equipot...

Page 104: ...age surges in the 230 V mains supply cable indirect lightning strike appropriate lightning conductors and surge arresters compliant with local regulations must be fitted in the upstream distribution systems In order to protect the individual components of a CAN network against indirect lightning strike we recommend the use of surge arresters specifically developed for BUS systems special accessori...

Page 105: ... The screen earthing or GND must only be implemented indirectly via a gas discharge arrester Ensure that no unintentional direct connection of earth or screen and the earth potential is created e g via sensors and the earthed pipework Network across several buildings without CAN BC Maximum cable length 1000 m with corresponding cross section The screen must be continued at every network node and b...

Page 106: ... nor surges Routing BUS cables underground The cable should be routed at a depth of at least 0 8 m below the frost level and at least 30 cm clear of other cables preferably inside a conduit According to the SEP principle all cables power data etc should enter the building at a single point in order to avoid potential differences No equipotential bonding currents must flow across the BUS screen Con...

Page 107: ...Recommendations A 2x2 pole screened twisted pair twist CAN L with CAN H or 12 V with GND with a cable cross section of at least 0 5 mm and a conductor to conductor capacity of no more than 60 pF m and a set impedance of 120 ohms The standard BUS speed of the UVR16x2 is 50 kbit s Theoretically this would enable a BUS length of approx 500 m to guarantee reliable transmission This recommenda tion cor...

Page 108: ... with a star topology of up to 10 m will not impede transmission 2 Up to a BUS length of 150 m and with only a few nodes the cable CAT 5 24AWG or higher cate gory typical Ethernet cable in PC networks can be used This can therefore be used in many appli cations However such networks do not comply with the recommended specification and should be tested before the network is created with cables 50 l...

Page 109: ...be fixed with a clamp strain relief immedi ately after being connected A side cutter is needed to remove the clamps therefore more parts than necessary are provided Once all of the power connections have been made without the protective conductor the protective conductor terminal is inserted and the remaining ground wires are con nected There is only one connection to ground GND for all of the sen...

Page 110: ...Electrical connection 110 Caution Output A5 is potential free thus not connected with the supply voltage Slot 1 is intended for the relay module for two other outputs A12 13 ...

Page 111: ...ures Equipped with separate switch on off differential Threshold values Partially set up with an adjustable hysteresis or as an alternative with separate switch on off threshold Speed control 30 speed stages constitute a quantity change of max 10 Regulation by absolute value difference and absolute value to event Temperature display 50 until 199 C with a dissolution of 0 1K Accuracy Typ 0 4 and ma...

Page 112: ... in the network Order designation 01 CAN MT CAN Touch 10 LCD screen with touch sensitive surface Display and operating device for UVR1611 and CAN I O modules Incorporation of temperature and humidity sensors is possible Programming with software TA Designer Order designation O1 CAN TOUCH Interface C M I To back up data update operating systems and log data 1 Back up all of the function data for th...

Page 113: ...entry menu KTY PT1000 SPS GBS etc The sensor can also be checked without a measuring device simply by changing the sensor that is probably defective with one that works at the strip terminal and checking the tempera ture display If the error is reproduced the problem is probably the sensor However if the problem remains on the same input of the device the error is either due to the settings for se...

Page 114: ...e is not possible o An expert has set the setting User interlock outputs to yes By this only experts can man ually operate the outputs Troubleshooting hardware If the cause of the error is clearly defective hardware please send the equipment to your retailer or manufacturer for repairs Please do not forget to describe the error when sending back the device simply saying the device does not work pl...

Page 115: ...cted at the relevant node point and the connecting current measured If a current exists then an earth loop exists courtesy of an unwanted earth connection Information on the Eco design Directive 2009 125 EC Product Class1 2 Energy effi ciency3 Standby max W Typ power con sumption W 4 Max power consumption W 4 UVR16115 max 8 max 5 2 4 2 03 3 73 2 4 4 2 1 Definitions according to Official Journal of...

Page 116: ...in hazardous substances Employed standards EN 60730 1 2011 Automatic electrical controls for household and similar use Part 1 General requirements EN 61000 6 3 2007 A1 2011 Electromagnetic compatibility EMC Part 6 3 Generic standards Emis sion standard for residential commercial and light industrial environments EN 61000 6 2 2005 Electromagnetic compatibility EMC Part 6 2 Generic standards Im muni...

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Page 120: ...nstructions or incorrect maintenance 4 The guarantee claim will expire if repairs or actions are carried out by persons who are not au thorised to do so or have not been so authorised by us or if our devices are operated with spare supplementary or accessory parts which are not considered to be original parts 5 The defective parts must be sent to our factory with an enclosed copy of the proof of p...

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