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SAUTER flexotron®800 heating

1. Configuration flexotron 800 lt Lo p P Line 2 shows the current temperature Line 3 shows the text HS1 Line 4 shows the current setpoint and the current temperature for HS1 Line 2 shows the date and time Line 3 shows the text CS1 Line 4 shows the current setpoint and the current temperature for CS1 9 18 3 Automatic summer winter time change over If the automatic summer winter time change is set the system clock is automatically set to summer or winter time according to the European standard 9 18 4 Controller bus address 98 125 The flexotron 800 uses the bus addresses below to connect to CASE flexotron or when multiple controllers are part of a network CASE flexotron normally uses the same bus addresses so if an address is changed the new address must also be entered in CASE flexotron If several flexotron 800 are connected in a network all the controllers must have the same PLA address but each must have its own unique ELA address P100013115A flexotron 800 Ts AUT E R Configuration 9 18 5 Remote operation using the display If several controllers are connected in a network it is possible to remotely control a device in the network using another device with a display To do this enter the address of the device you want to communicate with in the unit with the display You can stop the connection by pressing the Up OK and Down buttons simultaneously 9 18 6 Automatic logo
2. Fixed boiler 1 4 according to the 78125 P100013115 A flexotron 800 9 6 3 Pumps SAUTER Configuration operating time or alternating See also section 6 6 5 With modulating vessels the control signal can be 0 10V 2 10V 10 2V or 10 0V Set the boiler test operation A shared transport pump and an individual pump for each boiler are available for controlling the boilers The shared transport pump starts and stops partially according to the outdoor temperature and partially according to requirements If the outdoor temperature is below 18 C the pump operates constantly If the outdoor temperature rises above 18 C the pump starts when there is a heat requirement i e when the boiler is running P100013115 A 79 125 S AUT E R flexotron 800 Configuration Before a boiler can start its circulation pump must have been running for 30 seconds During a stop the boiler first switches off followed by the pump 30 seconds later To set the test operation and deactivate the function set the time to 0 9 7 Pump stop Each heating system has individual start and stop delays If the outdoor temperature exceeds the set cut off temperature for more than the set stop delay the circulation pump switches off and the signal at the valve actuator is set to O If the outdoor temperature falls below the set cut off temperature for longer than the start delay by more than the set hysteres
3. See also terminal assignment diagram 3 6 1 LS Power supply 24 V AC 15 50 60 Hz 1 D RS485 Modbus not with web TCP Imm 0r24VDC o Ip IP models Earth conductor 3 C 24V 24 V DC Reference point for digital inputs DI 4 E 42 LS Reference point for digital outputs DO 41 DO1 Start stop pump P1A HS1 40 DO2 Start stop pump P1B HS1 39 DO3 Increase 3 point actuator HS1 38 DO4 Reduce 3 point actuator HS1 9 DI1 Operating mode alarm circulation pump P1A HS1 37 DO5 Start stop pump P1 HW1 10 DI2 Operating mode alarm circulation pump P1B HS1 36 DO6 Start stop pump P1A HS2 11 DI3 Operating mode alarm circulation pump P1A HS2 35 DO7 Sum alarm 12 Dl4 Operating mode alarm circulation pump P1 HW1 13 DI5 Water pulse hot water consumption 34 Reference potential for analogue inputs Al 14 DI6 Energy pulse heating consumption 33 Al1 Outdoor temperature sensor 15 DI7 Volume pulse cold water consumpti on 1 32 Al2 Supply temperature heating system 1 16 DI8 Pressure switch expansion vessel 31 Reference potential for analogue inputs Al 30 Al3 Supply temperature domestic hot water circuit 1 17 Reference potential for analogue outputs AO 29 Al4 Return temperature heating system 1 18 AO1 Actuator heating system 1 HS1 19 AO2 Actuator domestic hot water ci
4. HS2 HS2 Pump A Start HS2 PumpA Start stop pump P1B HS2 HS2 Pump B Start HS2 PumpB Start stop pump P1A HS3 HS3 Pump A Start HS3 PumpA Start stop pump P1B HS3 HS3 Pump B Start HS3 PumpB Start stop pump P1A CS1 CS1 Pump A Start CS1 PumpA Start stop pump P1B CS1 CS1 Pump B Start CS1 PumpB Start stop pump P1 HW1 HW1 Pump Start HW1 Pump Start stop water preparation HP1 Pump Start HP1 Pump pump P1 HP1 Start stop frequency converter Frequencer Start Frequencer pressure control Sum alarm A B Sum alarm Sum alarm Sum alarm A Sum alarm A A sum alarm Sum alarm B Extra timer output 1 Extra timer output 2 Extra timer output 3 Extra timer output 4 Extra timer output 5 Increase 3 point actuator HS1 Reduce 3 point actuator HS1 Increase 3 point actuator HS2 Reduce 3 point actuator HS2 Increase 3 point actuator HS3 Reduce 3 point actuator HS3 Increase 3 point actuator CS1 Reduce 3 point actuator CS1 Increase 3 point actuator HW1 Sum alarm B Timer Channel 1 Timer Channel 2 Timer Channel 3 Timer Channel 4 Timer Channel 5 HS1 Valve Increase HS1 Valve Decrease HS2 Valve Increase HS2 Valve Decrease HS3 Valve Increase HS3 Valve Decrease CS1 Valve Increase CS1 Valve Decrease HW1 Valve Increase B sum alarm Timeri Timer2 Timer3 Timer4 Timer5 Inc HS1 Act Inc HS2 Act Inc HS3 Act Inc CS1 Act Inc HW1 Act Dec HS1 Act Dec HS2 Act Dec HS3 Act Dec CS1 Act 27 1
5. HW2 10 2 5 Boiler Controller P band and I time settings The time for which the controller is blocked after the vessel starts or stops Controller settings for return valves boilers 1 4 S AUT E R flexotron 800 Settings 10 3 Manual auto 10 3 1 General information This function is useful during commissioning and for troubleshooting All configured control loops can be manually controlled between 0 and 100 All configured pumps can be set to Auto On or Off A number of other functions can also be manually controlled 9 If an output is manually controlled it means that normal regulation is disabled For this reason an alarm is generated whenever an output is set to an operating mode other than Auto Because the menu display depends on the configuration only the screens that most often appear are shown here As well as Auto digital signals can normally be set to Off or On which are the two possible states for digital signals 10 3 2 HS1 HS2 and HS3 Manual operation reading control signals for the actuators Submenu for HS1 and HS2 only If the controller is set to return temperature the output signal is delivered inversely to the actuator i e 100 is OV at the analogue output Submenu HS1 only If the controller is set to manual mode for external power limitation the set maximum limit of the controller on the analogue output cannot be exceeded The output signal will be between OV an
6. Sensor error HW1 Supply Sensor error HW2 Supply Sensor error HP1 Supply Sensor error HS1 Room Sensor error HS2 Room Sensor error HS3 Room Sensor error HS1 Return Sensor error HS2 Return Sensor error HS3 Return Sensor error HP1 Return Sensor error Wind Sensor error Pressure Sensor error Boiler temp Sensor error Boiler return HS3 minimum supply limit activated HS1 maximum return temperature limit acti vated HS2 maximum return temperature limit acti vated HS3 maximum return temperature limit acti vated HS1 minimum return temperature limit activa ted HS2 minimum return temperature limit activa ted HS3 minimum return temperature limit activa ted HS1 frost protection activated HS2 frost protection activated HS3 frost protection activated Error on the internal backup battery Boiler return temperature too low Failure or short circuit on HS1 supply sensor Failure or short circuit on HS2 supply sensor Failure or short circuit on HS3 supply sensor Failure or short circuit on HW1 supply sensor Failure or short circuit on HW2 supply sensor Failure or short circuit on HP1 supply sensor Failure or short circuit on HS1 room sensor Failure or short circuit on HS2 room sensor Failure or short circuit on HS3 room sensor Failure or short circuit on HS1 return sensor Failure or short circuit on HS2 return sensor Failure or short circuit on HS3 return sensor Failure or short circuit on HP1 return sensor Faulty signal from w
7. as regards line resistance The raw value is the actual uncompensated value If the input is configured as digital a submenu is available which you can access by pressing the Right button P100013115A 69 125 SAUTER Configuration flexotron 800 To simplify adaptation to external functions all universal inputs configured as digital inputs can be set to be either normally open NO or normally closed NC By default the inputs normally open which means if the input is closed the function linked to the input in the flexotron 800 is activated 9 2 5 Analogue outputs 9 2 6 Digital outputs 9 3 70 125 Sensor settings Analogue outputs are suitable for 0 10 V DC Analogue outputs can be set to Auto Manual or Off mode Digital outputs can be set to Auto Manual On or Manual Off mode In this menu you can set the type of sensors that are connected The room temperature sensors for HS1 HS3 and CS1 are the only temperature sensors that can be set as either Ni1000 or 0 10V All other temperature sensors must be Ni1000 When Ni1000 is selected no scaling of the input is required P100013115A flexotron 800 Ts AUT E R Configuration If HS1 HS3 are set to 0 10V the measuring range of the sensor can be scaled To scale the CS1 room temperature sensor input To scale the differential pressure input 9 4 Supply S AUT E R flexotron 800 Configur
8. clock The basic version of flexotron 800 can communicate with Modbus You do not need an activation code The flexotron 800 controller is available with a communication port for TCP IP CE label Conforms with the EMC standards CENELEC EN61 Inputs Analogue inputs Al Digital inputs DI Universal inputs Ul P100013115 A 000 6 3 2001 CENELEC EN61000 6 1 2001 Configurable as 0 10 V DC or Ni1000 12 bit A D Potential free connection Can be used as either analogue or digital input see information above 17 125 Ys AUTE R flexotron 800 About flexotron 800 Outputs Analogue outputs AO Configurable as 0 10 V DC 2 10 V DC 10 0 V DC or 10 2 V DC 8 bit D A short circuit protected Digital outputs DO Mosfet outputs 24 V AC DC constant 2 A Max 8 A total Optional WEB TCP IP port Replaces the RS485 port for flexotron 800 With 2 ports Two serial ports or one serial port and a TCP IP port External operating unit RDB800 Used with flexotron 800 without display 3 6 1 Terminal positions on flexotron 800 flexotron 800 WSAUTER 18 125 P100013115 A flexotron 800 SAUTER Installation and terminal assignment 4 Installation and terminal assignment 4 1 Installation P100013115 A The flexotron 800 controller can be mounted in a DIN standard housing minimum 9 modules on a DIN rail in a cabinet or using a suitable mounting kit in a cabinet door or control panel Ambient t
9. dew point function calculates the current dew point temperature taking the room temperature cooling and the relative air humidity into account The calculated dew point temperature is added to the current setpoint offset the default setting is 1 C and then compared to the current setpoint The higher of the two values is used as the current cooling setpoint In order not to use up all the processor capacity for calculating the dew point temperature there is a hysteresis for the temperature 0 1 C and the relative air humidity 1 This means that the current dew point temperature is updated at close intervals Submenus when dew point control is activated The setpoint shift is added to the calculated dew point P100013115 A 75 125 S AUT E R flexotron 800 Configuration 9 5 Return temperature limitation Individual minimum and maximum temperature limits can be set for the various temperature systems If the return temperature is not within the set limits the supply temperature is adjusted to eliminate the error The correction is made at the level of the temperature error which is multiplied by the set limitation factor 9 5 1 Maximum return temperature 9 5 2 Max delta T HP HS The return temperature in the primary heating circuit can be limited so that the HP HS primary circuit is not more than 3 degrees adjustable higher than the return in the secondary circuit If the function is active and the primary h
10. in manual mode Boiler pump 2 in manual mode Boiler pump 3 in manual mode Boiler pump 4 in manual mode Transport pump in manual mode P100013115 A flexotron 800 9 16 Communication Alarm text SAUTER Prio Description Configuration 142 Malfunction P1 Ext Circ 143 P1 Ext Circ manual 144 HW1 blocked for HS Priority 145 HW2 blocked for HS Priority 146 HP1 blocked for HS Priority 147 HS1 blocked for HW Priority 148 HS2 blocked for HW Priority 149 HS3 blocked for HW Priority 9 16 1 Modbus communication P100013115 A B Cc Malfunction in P1 additional control loop P1 additional control loop in manual mode HW1 blocked due to HS priority HW2 blocked due to HS priority HP1 blocked due to HS priority HS1 blocked due to HW priority HS2 blocked due to HW priority HS3 blocked due to HW priority The flexotron 800 can be connected to a network for Modbus communication You do not need an activation code If you have a flexotron 800 with two ports you can set whether port 1 or port 2 is used for Modbus communication If Modbus communication is activated you can set the address and other parameters Only 1 stop bit can be used 91 125 S AUT E R flexotron 800 Configuration 9 16 2 Communication port 2 Li The equipment is only available on request Devices connected to port 2 can be configured as Slave Master Expansion unit M
11. is Sundays at 2 00 a m fora duration of 30 minutes 53 125 ws AUTE R flexotron 800 Functions 6 9 4 Alarm Pulse error If no pulses are received during the set time a pulse error alarm is activated If the time is set to 0 the alarm function is disabled High consumption If the daily consumption is higher than the set value an alarm is triggered 6 10 Electricity meter A digital pulse function can be configured for monitoring heating energy consumption The pulse constant can be adjusted 6 10 1 Consumption values Total consumption in MWh This value can be reset 6 11 Extra timer outputs Up to five separate digital timer outputs can be configured Each has a weekly programme with two activation periods per day Each channel has 8 separate setting menus one for every day of the week and an additional one for the holiday programme The holiday programme has priority over the other programmes 6 12 Alarm 6 12 1 Alarm handling Alarms are indicated by the alarm LED on the front of the housing or the alarm LED on the RDB800 The alarms are also indicated by the red alarm LED on the controller or on the external display All alarms can be monitored acknowledged and blocked using the display and buttons 6 12 2 Alarm priority The alarms can be assigned different priorities A alarm B alarm C alarm or inactive Digital outputs can be configured as collective outputs for A alarms or B alarms or for both A and B
12. running time in minutes for the shift is calculated as follows Running time 1 6 17 outdoor temp The running time is limited to a maximum of 60 minutes The night reduction is set using the room temperature To calculate the reduction of the supply temperature the set room temperature is multiplied by 3 The flexotron 800 has individual time programmes for each heating system with two comfort periods per day 6 1 12 Start time optimisation 42 125 This function is used to achieve the required room temperature if the comfort period is activated after a night reduction How early the supply temperature is increased is calculated as follows Optimisation time room setpoint room actual value heating capacity The heating capacity has a minimum and a maximum value preset minimum value 0 02 C min maximum value 0 1 C min The start value for the function is the mean value of the minimum and maximum capacity The capacity value is thus calculated as follows Heating capacity heating capacity temperature increa se optimisation time 2 The temperature boost corresponds here to the difference in room temperature between the time when optimisation was stopped and the time when it was started P100013115 A flexotron 800 6 1 13 Power limitation SAUTER Functions Weather dependent start time optimisation If weather dependent start time optimisation is activated the compensated capacity is calcul
13. their respective companies Version A March 2014 Software version 3 2 9 125 Ts AUTE R flexotron 800 flexotron 800 ws AUT E R About the manual 2 About the manual This manual covers all the models in the flexotron 800 series used for heating control This revised version contains program functions for software version 3 2 2 1 Further information More information about flexotron 800 can be found in e SAUTER CASE flexotron manual Manual on configuration of the controllers using the SAUTER CASE flexotron PC software e Modbus network variables List of variables for Modbus communication e CE declaration of conformity flexotron 800 The information can be downloaded from www sauter controls com en P100013115 A 11 125 Ts AUTE R flexotron 800 flexotron 800 Ts AUT E R About flexotron 800 3 About flexotron 800 The flexotron 800 series comprises three sizes of model with 8 15 or 28 inputs and outputs In each model of flexotron 800 all applications are loaded in a separate memory area All functions and configurations can be performed using the displays and buttons or using the CASE flexotron configuration tool installed on a PC and connected via a communication cable The controllers are available with or without a display and buttons For units without a display and buttons a separate RDB800 display with buttons can be connected via a cable The number of inputs and outputs can be
14. with web TCP mm 15 50 60 Hz 2 D IP models Earth conductor 3 C IE 24V 24 V DC Reference point for digital inputs DI 4 E 42 LS 41 DO1 40 DO2 39 DO3 38 DO4 9 DI1 37 DO5 10 DI2 36 DO6 11 DI3 35 DO7 12 DI4 13 DI5 34 Reference potential for analogue inputs Al 14 DI6 33 Alt 15 DI7 32 Al2 16 DI8 31 Reference potential for analogue inputs Al 30 Al3 17 Reference potential for analogue outputs AO 29 Al4 18 AO1 19 AO2 28 Reference potential for universal inputs Ul 20 AO3 27 UN 21 AO4 26 Ul2 22 AO5 25 Reference potential for universal inputs Ul 24 UIS 23 Ul4 P100013115 A SAUTER flexotron 800 Installation and terminal assignment Blank wiring diagram for RDT815 LS Power supply 24 V AC or 24 V DC 1 D RS485 Modbus not with web TCP IP mm 15 50 60 Hz 2 D models Earth conductor 3 C IEF 24V 24 V DC Reference point for digital inputs DI 4 E 42 LS Reference point for digital outputs DO 41 DO1 40 DO2 z E 39 DO3 38 DO4 9 DI1 10 Dl2 34 Reference potential for analogue inputs Al 11 DIS 33 Alt 12 DI4 32 Al2 31 Reference potential for analogue inputs Al 17 Reference potential for analogue outputs F F o 30 Al3 18 AO1 29 Al4 19 AO2 20 AO3 Blank wiring diagram for RDT808 LS Supply
15. 0 8 1 Alarms 10 8 2 Inputs outputs 10 8 3 Extra sensors Expansion units 11 1 Port 1 11 2 Port 2 11 3 Connection 11 3 1 M bus meters 11 3 2 Expansion units 12 Other functions 12 1 Alarm handling 12 2 Individual text field 12 3 Version number SAUTER Content 119 119 119 120 121 121 121 122 122 122 123 123 124 124 7 125 Ts AUTE R flexotron 800 flexotron 800 1 Generell notes 1 1 Disclaimer 1 2 Trademarks P100013115 A SAUTER Generell notes The information in this user manual has been carefully checked and judged to be correct Fr Sauter AG makes no guarantee regarding the content of this manual and requests the reader to report any errors inaccuracies or unclear formulations so that they can be corrected The information in this document is subject to change without notice The software described in this document is supplied under licence and may be used or copied only in accordance with the terms of the licence No part of this document may be reproduced or transmitted in any form in any fashion electronically or mechanically without the express written permission of Fr Sauter AG flexotron is a registered trademark of Fr Sauter AG Windows Windows 2000 Windows XP and Windows Server 2003 are registered trademarks of Microsoft Corporation Some product names mentioned in this document are used for identification purposes only and may be the registered trademarks of
16. 1 Room V HS1 Return HS2 Return HS3 Return CS1 Return HW1 Return HP1 Return Wind 23 125 SAUTER Installation and terminal assignment 24 125 flexotron 800 v Description CASE flexotron Display Differential pressure sensor DP Pressure 0 10 V DC Humidity sensor 0 10 V RH RH Primary heating circuit sup HP Supply Temp HP Supply ply temperature Primary heating circuit return HP Return Temp HP Return temperature Primary cooling circuit sup CP Supply Temp CP Supply ply temperature Primary cooling circuit return CP Return Temp CP Return temperature Extra temperature sensor 1 Extra Sensor Temp 1 Ext sensor1 Extra temperature sensor 2 Extra Sensor Temp 2 Ext sensor2 Extra temperature sensor 3 Extra Sensor Temp 3 Ext sensor3 Extra temperature sensor 4 Extra Sensor Temp 4 Ext sensor4 Extra temperature sensor 5 Extra Sensor Temp 5 Ext sensor5 Boiler temperature return Boiler Return Temp HB Return Boiler temperature Boiler Temp HB supply Return temperature for Boiler 1 return Temp HB1 return boiler 1 Return temperature for Boiler 2 return Temp HB2 return boiler 2 Return temperature for Boiler 3 return Temp HB3 return boiler 3 Return temperature for Boiler 4 return Temp HB4 return boiler 4 Temperature for differential Extra Circuit Sensor 1 Ext circS1 thermostat function Temperature for differential Extra Circuit Sensor 2 Ext circS2 thermostat function Digital inputs v Description CAS
17. 2 10V DC Read the operating manual of the actuator carefully If you are not sure select 0 10V DC Regulation may be less precise in some circumstances but you can be sure that the valve can always be moved to its end positions 9 11 Actuator run time 3 point actuators These parameters have no function if analogue actuators are configured The values are used to define the control parameters for 3 point actuators These values must be correctly set as otherwise the control will be imprecise S AUT E R flexotron 800 Configuration 9 12 Actuator test run The valves and actuators for the cooling and heating systems can be operated daily as a test The factory set time for this is 2 00 a m but this can be changed to any other time The actuators are opened for the set time 15 seconds by default but this can be changed using CASE flexotron During the test run the pumps operate and the temperature deviation alarm is disabled 9 13 Leakage monitoring Once a week the control valves are closed and the energy consumption during a preset time is measured If the energy leakage exceeds a preset value default 3000 W an alarm is triggered The starting time and the duration of leakage monitoring are adjustable The default setting is Sundays at 2 00 a m for a duration of 30 minutes 84 125 P100013115 A flexotron 800 S AUT E R Configuration 9 14 Pulse inputs 9 15 Alarm configuration This function allows you t
18. 25 SAUTER Installation and terminal assignment 28 125 flexotron 800 v Description CASE flexotron Display Reduce 3 point actuator HW1 HW1 Valve Decrease Dec HW1 Act Increase 3 point actuator HW2 HW2 Valve Increase Inc HW2 Act Reduce 3 point actuator HW2 HW2 Valve Decrease Dec HW2 Act Bypass valve CS1 CS1 start cooling unit Start stop vessel 1 Start stop vessel 1 high power Start stop vessel 2 Start stop vessel 2 high power Start stop vessel 3 Start stop vessel 3 high power Start stop vessel 4 Start stop vessel 4 high power Start stop pump boiler 1 Start stop pump boiler 2 Start stop pump boiler 3 Start stop pump boiler 4 Start stop transport pump Start stop pump extra control circuit CS1 Bypass Valve CS1 Cool unit start Boiler 1 vessel Boiler 1 vessel High effect Boiler 2 vessel Boiler 2 vessel High effect Boiler 3 vessel Boiler 3 vessel High effect Boiler 4 vessel Boiler 4 vessel High effect Boiler 1 Pump Start Boiler 2 Pump Start Boiler 3 Pump Start Boiler 4 Pump Start Transport Pump Start Extra Circuit Pump CS1 bypass valve CS1 Cooling unit HB1 start1 HB1 start2 HB2 start1 HB2 start2 HB3 start1 HB3 start2 HB4 start1 HB4 start2 HB1 pump HB2 pump HB3 pump HB4 pump Transp pump Ext circ pump P100013115 A flexotron 800 YS AUT E R Installation and terminal assignment Factory setting for RDT828 terminal assignment
19. 3115 A Each system can be configured with either a single or a twin pump With twin pumps only one of the pumps operates at a time An automatic change takes place once a week at 10 00 am on Tuesday If the active pump fails the inactive pump starts up automatically 81 125 S AUT E R flexotron 800 Configuration 9 9 Run indication motor protection Digital inputs can be used for run indication signals or for monitoring the motor protection switches of the pumps The inputs can be either normally open NO or normally closed NC see section 9 2 3 If the pump is configured for run indication the input must be normally open This means that the digital input must be ON when the pump is running and OFF when the pump is stopped An alarm is generated if this is not the case with the pump in question for longer than the set alarm delay If the pump is configured for motor protection and the input is normally open a pump alarm is triggered when the input is ON If the input is configured as normally closed a pump alarm is generated if the input is OFF 82 125 P100013115 A cas dida S AUT E R Configuration 9 10 Actuator type Select the output signals to be used for the analogue outputs of the actuators 0 10 V DC 2 10 V DC 10 0 V DC or 10 2 V DC Li Note Although the manufacturers of actuators often specify 0 10V DC as the input signal the actual control signal on many actuators is
20. 5 A flexotron 800 3 6 Technical data Protection class Display LEDs Yellow Red Clock Power supply Power consumption Start up current Dimensions Housing Mounting Operation Environmental conditions according to IEC 721 3 3 Ambient temperature Ambient humidity Mechanical requirements according to IEC721 3 3 Vibration Shock Transport Ambient conditions according to IEC 721 3 2 Ambient temperature Ambient humidity Mechanical requirements according to IEC721 3 2 Vibration Shock Free fall Storage Ambient conditions according to IEC 721 3 1 Ambient temperature Ambient humidity Battery Type Battery life Warning Battery backup Communication SAUTER About flexotron 800 IP 20 when installed 4 lines of 20 characters Illumination Adjustable parameter Alarm indicator 24 hour system clock with battery backup automatic summer winter changeover 24 V AC 15 50 60 Hz or 21 36 V DC 10 VA 4 W DC WEB model 12 VA 5 W DC 20 A 2 ms 148x123x58 WxHxD including terminals Euronorm 8 5 modules wide On DIN rail Class 3k5 0 50 C max 95 rh Class 3M3 IEC60068 2 6 Test FC sinusoidal vibration IEC60068 2 27 Test Ea Class 2k3 20 70 C max 95 rh Class 2M2 IEC60068 2 6 Test FC sinusoidal vibration IEC60068 2 27 Test Ea IEC60068 2 27 Test Ed Class 1k3 20 70 C max 95 rh Replaceable lithium cell CR2032 More than 5 years Low battery warning Memory and
21. 6 6 2 7 6 2 8 6 3 6 3 1 6 3 2 6 3 3 6 3 4 6 3 5 6 3 6 6 4 6 4 1 6 5 6 6 6 6 1 6 6 2 6 6 3 6 6 4 6 6 5 6 6 6 6 6 7 6 6 8 6 6 9 6 6 10 6 7 6 8 6 8 1 6 8 2 6 9 6 9 1 6 9 2 6 9 3 6 9 4 6 10 6 10 1 6 11 6 12 6 12 1 6 12 2 6 12 3 Starting the cooling unit Eco comfort function Temperature limiter flexotron 800 44 44 45 Bypass valve frost protection in the primary cooling system 45 Domestic hot water General information Controller Night reduction Pump control HW1 only Anti legionellae function HW1 only Priority of hot water over heating Hot water preparation function Priority of HP over HS Pressure control Boiler control General information Type of boiler control Setpoint Minimum running time and stop time Starting sequence Boiler test operation Boiler alarm Boiler pump Transport pump Boiler return temperature Extra control loop Cold water consumption Values Alarm Energy consumption Consumption values Performance values Leakage monitoring Alarm Electricity meter Consumption values Extra timer outputs Alarm Alarm handling Alarm priority Alarm text Display LEDs and buttons Tal 7 2 7 3 7 4 Display Light emitting diode LED Buttons Menu navigation 45 45 45 45 45 45 46 46 46 46 47 47 47 50 50 50 51 51 51 51 51 52 52 52 53 53 53 53 53 54 54 54 54 54 54 54 55 57 57 57 57 58 P100013115 A flexotron 800 P100013115 A S
22. AUTER 8 Access rights 8 1 Logging in 8 2 Logging out 8 3 Changing the code 8 4 Forgotten password 8 5 Changing the password to deactivate automatic logout Configuration 9 1 Alarm settings 9 1 1 Alarm limits 9 1 2 Alarm delay 9 2 Inputs and outputs 9 2 1 General information 9 2 2 Analogue inputs Al 9 2 3 Digital inputs DI 9 2 4 Universal inputs Ul 9 2 5 Analogue outputs 9 2 6 Digital outputs 9 3 Sensor settings 9 4 Supply 9 4 1 Parallel shift 9 4 2 Maximum limitation 9 4 3 Minimum limitation 9 4 4 Setpoint auto correction 9 4 5 Wind compensation 9 4 6 Optimisation 9 4 7 Power limitation 9 4 8 Dew point control 9 5 Return temperature limitation 9 5 1 Maximum return temperature 9 5 2 Max delta T HP HS 9 5 3 Minimum return temperature 9 5 4 Return limitation factor 9 6 Boiler control 9 6 1 General information 9 6 2 Boilers 1 4 9 6 3 Pumps 9 7 Pump stop 9 8 Twin single pump 9 9 Run indication motor protection 9 10 Actuator type 9 11 Actuator run time 3 point actuators 9 12 Actuator test run 9 13 Leakage monitoring 9 14 Pulse inputs 9 15 Alarm configuration 9 16 Communication 9 16 1 Modbus communication 9 16 2 Communication port 2 Content 61 61 62 62 63 63 65 65 65 67 68 68 68 69 69 70 70 70 71 72 72 72 72 73 74 75 75 76 76 76 77 77 77 77 78 79 80 81 82 83 83 84 84 85 85 91 91 92 5 125 SAUTER Content 6 125 9 16 3 Dial up
23. E flexotron Display Operating mode alarm circu HS1 Pump A Indication HS1 PumpA lation pump P1A HS1 Operating mode alarm circu HS1 Pump B Indication HS1 PumpB lation pump P1B HS1 Operating mode alarm circu HS2 Pump A Indication HS2 PumpA lation pump P1A HS2 Operating mode alarm circu HS2 Pump B Indication HS2 PumpB lation pump P1B HS2 Operating mode alarm circu HS3 Pump A Indication HS3 PumpA lation pump P1A HS3 P100013115 A flexotron 800 SAUTER Installation and terminal assignment Description CASE flexotron Display Operating mode alarm circu HS3 Pump B Indication HS3 PumpB lation pump P1B HS3 Operating mode alarm circu CS1 Pump A Indication CS1 PumpA lation pump P1A CS1 Operating mode alarm circu CS1 Pump B Indication CS1 PumpB lation pump P1B CS1 Operating mode alarm circu HW1 Pump Indication HW1 Pump lation pump P1 HW1 Charge pump P1 HP1 HP1 Pump Indication HP1 Pump Operating mode alarm fre Frequency Frequencer quency converter for pressu re control Pressure switch expansion Expansion vessel Exp vessel vessel External alarm External power limitation Volume pulse hot water consumption Energy pulse heating con sumption Volume pulse cold water consumption 1 Volume pulse cold water consumption 2 Energy pulse electricity meter CS1 start Boiler alarm Operating mode alarm for boiler 1 Operating mode alarm for boiler 2 Op
24. Noxo roneano S AUT E R Settings 10 6 Holidays Up to 24 separate holiday periods can be configured for a whole year in advance A holiday period can consist of any number of days from 1 to 365 consecutive days The date always has the format MM DD If the current date is within a holiday period the operating program for holidays is lt n 9 10 7 Energy cold water This menu displays the readings from the pulse meter inputs The pulse constants pulses per unit are defined in the Configuration Pulse constants menu 10 7 1 Heating meter The values below can be reset Lo 117 25 S AUT E R flexotron 800 Settings 10 7 2 Cold water meters CW1 and CW2 10 7 3 Electricity meter This value can be reset 10 7 4 Leakage monitoring flexotron 800 S AUT E R Settings 10 8 Running mode You cannot make changes in the running mode menu It is simply for viewing the current values and alarm log 10 8 1 Alarms The alarm log of the flexotron 800 contains the 40 most recent alarms The latest event is at the top of the list The alarm log is solely for viewing alarms in order to assist troubleshooting 10 8 2 Inputs outputs The Inputs Outputs menu displays the raw values from the sensors the signals at the analogue outputs and the current status of the digital inputs and outputs ws AUT E R flexotron 800 Settings 10 8 3 Extra sensors Up to five extra temperatur
25. SAUTER SAUTER flexotron 800 heating Manual P100013115A Ts AUTE R flexotron 800 flexotron 800 Content P100013115 A Generell notes 1 1 Disclaimer 1 2 Trademarks About the manual 2 1 Further information About flexotron 800 3 1 Selecting the application 3 2 Select language 3 3 Heating application program 3 4 flexotron 800 hardware overview 3 5 flexotron 800 model overview 3 6 Technical data 3 6 1 Terminal positions on flexotron 800 Installation and terminal assignment 4 1 Installation 4 2 Terminal assignment 4 2 1 Power supply 4 2 2 Inputs and outputs 4 2 3 List of inputs and outputs Commissioning 5 1 Step by step guide Functions 6 1 Heating control 6 1 1 General information 6 1 2 Controllers 6 1 3 Control characteristics 6 1 4 Adjusting the characteristics 6 1 5 Temperature limits 6 1 6 Priority of heating over hot water 6 1 7 Pump control 6 1 8 Frost protection 6 1 9 Wind compensation 6 1 10 Building inertia and Boost 6 1 11 Night reduction 6 1 12 Start time optimisation 6 1 13 Power limitation 6 1 14 M bus power limitation 6 2 Cooling system 6 2 1 General information 6 2 2 Controller 6 2 3 Dew point control 6 2 4 Pump control SAUTER Content 11 11 13 13 14 14 16 16 17 18 19 19 20 20 20 23 35 35 39 39 39 39 39 39 40 40 41 41 41 41 42 42 43 43 44 44 44 44 44 3 125 SAUTER Content 4 125 6 2 5 6 2
26. The list of inputs and outputs in section 4 2 3 gives an overview and helps you configure them Analogue inputs Analogue inputs must be connected to an earth terminal in the same terminal block as the input Depending on the configuration analogue inputs can be used either for Ni1000 temperature sensors or for 0 10 V DC analogue input signals for example from a pressure transmitter Digital inputs Digital inputs must be connected to the 24V terminal Digital inputs may only be connected with voltageless contacts Any external voltage applied to a digital input may harm the unit Universal inputs A universal input can be configured to act as either an analogue input or as a digital input Depending on the configuration a universal input acting as an analogue input can be used for either Ni1000 temperature sensors or for 0 10 V DC analogue input signals for example from a pressure transmitter Universal inputs configured as analogue inputs must be connected to an earth terminal in the same terminal block as the input P100013115 A flexotron 800 P100013115 A SAUTER Installation and terminal assignment A universal input configured as a digital input must be connected to terminal 24V just like other digital inputs and may only be connected using voltageless contacts Analogue outputs Analogue outputs must be connected to the earth terminal in the AO terminal block All analogue outputs can be individually config
27. _UD ABB Danfoss EEM C Kamstrup Standard Meter with SND_UD Hydrometer Scylar Clorius MKI Clorius MKII Aquametro CALEC MB DIF 0 and Multitelegram Meters P100013115 A 99 125 S AUT E R flexotron 800 Configuration 9 16 3 Dial up modem The flexotron 800 can be connected to a higher level system using a dial up modem 9 16 4 Alarm forwarding via SMS If a GSM modem is connected the controller can send A alarm messages to up to three recipients You do not need an activation code to use this function The alarm message consists of an alarm text the name of the device as shown in the first row of the start display and the time when the alarm occurred When there is an alarm the message is sent to the first number on the list If the recipient does not send an SMS within 5 minutes to confirm that the message has been received the flexotron 800 sends a message to the second number on the list 9 17 Other parameters These are various parameters which do not belong in any other menu 9 17 1 General information Building inertia and boost For more detailed information see section 6 1 10 The building inertia can be set between 0 24 h 0 current outdoor temperature 24 daily average Boost Shift factor 17 outdoor temp night reduction 94 125 P100013115 A flexotron 800 P100013115A SAUTER Configuration The factor can be set from 0 10 0 means no start delay and 10 is th
28. age temperatures over a defined period of time are calculated After this a parallel shift of the entire curve upward or downward is carried out depending on whether the difference between the room setpoint and the actual room value is positive or negative After comparison the deviation is multiplied by the correction factor and the sum is added to the current shift according to the following formula Shift SI ILIE room setpoint average temp factor current You can set how often this calculation takes place 0 24 h as well as the correction factor 0 100 The shift is limited to a maximum of 20 degrees P100013115 A 39 125 ws AUTE R flexotron 800 Functions 6 1 5 Temperature limits The heating systems have individually adjustable minimum and maximum temperature limits for the supply and return If the return temperature is not within the set limits the supply temperature is adjusted by a configurable factor to eliminate the error However the supply setpoint may never be above or below the set minimum or maximum setpoint The minimum limit is calculated as follows Supply shift minimum limit return temp Shakil eile Pereira 9 The minimum limit can only result in a positive shift otherwise the shift O The maximum limit is calculated as follows Supply shift maximum limit return temp limita factor 9 The maximum limit can only result in a negative shift otherwise the shift 0 Primar
29. ailure or short circuit on extra sensor 2 Failure or short circuit on extra sensor 3 Failure or short circuit on extra sensor 4 Failure or short circuit on extra sensor 5 Failure or short circuit on boiler supply sensor Failure or short circuit on boiler 1 return sensor Failure or short circuit on boiler 2 return sensor Failure or short circuit on boiler 3 return sensor Failure or short circuit on boiler 4 return sensor Failure or short circuit on additional control loop 1 sensor Failure or short circuit on additional control loop 2 sensor Failure or short circuit on CS1 room sensor Invalid value on CS1 room 0 10V Failure or short circuit on HW1 return sensor CS1 supply temperature deviates too much and too long from the setpoint CS1 in manual mode CS1 maximum supply limit activated CS1 minimum supply limit activated CS1 maximum return limit activated CS1 minimum return limit activated Malfunction on pump P1A CS1 89 125 SAUTER Configuration 90 125 Alarm text flexotron 800 Prio Description 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 Malfunction P1B CS1 Malfunction P1A amp B CS1 P1A CS1 manual P1B CS1 manual Communication error Expan sion unit 1 Communication error Expan sion unit 2 Communication error M bus DHM 1 Commu
30. alarms C alarms are internal alarms which are not forwarded A and B alarms must be acknowledged before they are reset C alarms automatically reset as soon as the cause is no longer present 54 125 P100013115 A flexotron 800 SAUTER Functions 6 12 3 Alarm text You can edit the alarm text that is displayed using CASE flexotron For more information see the CASE flexotron manual Inputs and outputs DO Sum alarm A B alarm DO Sum alarm A DO Sum alarm B P100013115 A 55 125 Ts AUTE R flexotron 800 flexotron 800 SAUTER Display LEDs and buttons 7 Display LEDs and buttons 7 1 Display This section applies to flexotron 800 controllers with display and buttons as well as to RDB800 external displays which can be connected to flexotron 800 units without display and buttons The display has four rows of 20 characters and is backlit The illumination is normally off but is activated as soon as a button is pressed It is switched off again after a long period of inactivity 7 2 Light emitting diode LED 7 3 Buttons P100013115 A uly sm There are two LEDs on the front The alarm LED is indicated by the O symbol The Edit mode LED is indicated by the symbol The four LEDs beside the upper terminal strip will be described later _ Red LED View alarms LS oa Yellow LED eae m Confirm choices Erase Vo Down The flexotron 800 has 7 buttons Four of them
31. and the pump starts up 6 1 9 Wind compensation In order to compensate for cooling due to wind a wind sensor can be connected and a wind based setpoint shift can be generated The function provides an adjustable shift factor C per m s 6 1 10 Building inertia and Boost P100013115 A The building inertia in relation to the heat storage capacity of the building envelope can be set in hours 0 24 The set inertia is used to control the effect of the outdoor temperature on the control characteristics The outdoor temperature used to calculate the current supply temperature is an average over the set time period If the current outdoor temperature is to be used the period must be set to 0 For the daily average set the period to 24 Boost At low outdoor temperatures it is possible to temporarily shift the control characteristic when changing from the night time temperature to the comfort temperature This speeds up heating to the daytime temperature The following conditions apply e The daily average outdoor temperature is less than 17 C e The supply temperature must be above 25 C e The night reduction must be more than 2 C 41 125 SAUTER Functions 6 1 11 Night reduction flexotron 800 If these conditions are met the starting time delay is calculated as follows Shift factor 17 outdoor temp night reduction The factor can be set from 0 10 0 means no start delay and 10 is the maximum shift The
32. annot start up again until it has been switched off for the set stop time The two values are preset to 180 seconds for all boilers 6 6 5 Starting sequence The starting sequence of the boilers can be individually set e Fixed starting sequence The boilers always start in the same sequence Defined first boiler defined second boiler defined third boiler and defined fourth boiler e According to operating time The boilers start successively in order of the shortest operating time e Alternating The starting sequence of the boilers is changed once a week or every day The time this takes place can be set During the change the starting sequence shifts by one step in other words the boiler which started first before the change now starts second and so on Then the starting sequence is changed all boilers are switched off and then start up again when there is a heat requirement 50 125 P100013115 A flexotron 800 SAUTER Functions 6 6 6 Boiler test operation 6 6 7 Boiler alarm 6 6 8 Boiler pump 6 6 9 Transport pump The boilers can be operated for a set period on a set time and day You can also define the number of weeks between test operations If a boiler alarm occurs the currently active boiler is switched off The boiler that is second in the starting sequence starts up in its place Each boiler has its own circulation pump When there is a heat requirement the circulation pump starts up before the vessel A
33. are arrow buttons Up Down Right and Left The menus in the flexotron 800 are organised in a horizontal tree structure Use the Up and Down buttons to move between menus at the present menu level Use the Right and Left buttons to move between menu levels When changing parameters use the Up and Down buttons to increase or decrease the parameter value and the Right and Left buttons to move between the digits within the parameter e Use the OK button to confirm the parameter setting For more information see the Editing parameters section below e Use the C button to cancel an edited parameter change and restore the original value To see the alarm list use the red ALARM button 57 125 SAUTER Display LEDs and buttons 7 4 58 125 Menu navigation flexotron 800 The menus which appear depend on your access level The start display which is normally shown is at the root of the menu tree Press the Down button to go to the menus at this the lowest level Press Up to go back to the selection Depending on your access level various menus are displayed see section 8 for more information on logging into a higher access level When using the normal access level which does not normally require a login only a few basic menus are displayed Use the Up or Down button to select a higher menu level Press the Right button to confirm On each level there may be several new menus which you can view using the Up an
34. are regulated using a constant supply temperature The domestic hot water systems are controlled using PID controllers with an adjustable P band I time and D time The flexotron 800 has individual time programmes for each domestic hot water circuit with two comfort periods per day 6 3 4 Pump control HW1 only The flexotron 800 has a digital output signal which can be used to control the circulation pump in HW1 The pump function is controlled using a time programme for the hot water circuit lt operates when the program is in a normal temperature period and stops during the night reduction 6 3 5 Anti legionellae function HW1 only P100013115 A To prevent the risk of legionella bacteria the anti legionellae function can be activated This heating can take place once a day or once a week The running time and the start time are adjustable If there is a return temperature sensor the function is stopped when the return temperature exceeds 62 C The minimum running time is 1 minute 45 125 SAUTER Functions flexotron 800 6 3 6 Priority of hot water over heating 6 4 It is possible to give the hot water circuits priority over the heating circuits by activating the corresponding function If one of the hot water circuits is a certain adjustable number of degrees below the setpoint for an adjustable period of time the actuators of the heating circuits are forced to close Hot water preparation function A hot w
35. arm list If several alarms are active two arrows up down appear on the right of the display Use the Up and Down buttons to scroll to the other alarms The alarm status is shown in the bottom left of the display For active unacknowledged alarms this field is blank Cancelled indicates alarms that have been interrupted Acknowledged alarms or alarms that are blocked but still active alarms are indicated as acknowledged or blocked To acknowledge an alarm press the OK button You can then either acknowledge or block the alarm Acknowledged alarms remain on the alarm list until the cause of the alarm has been eliminated The LED remains lit Blocked alarms remain on the alarm list until the cause of the alarm has been eliminated and the block has been removed New alarms of the same type will not be activated as long as the block remains Because blocking alarms can be potentially hazardous you need a high user access level to do this Class A and B alarms activate alarm outputs if these have been configured Class C alarms do not activate the alarm outputs Class C alarms are removed from the alarm list when the alarm inputs are reset even if they are not acknowledged 123 125 ws AUTE R flexotron 800 Other functions Alarm log The flexotron 800 also has an alarm log containing the 40 most recent alarms For more detailed information see section 10 9 1 12 2 Individual text field If you press the Right butto
36. ated as follows Weather dependent capacity capacity 1 weather com pensation 100 outer temp diff The weather compensation is an adjustable percentage between 0 100 0 no weather compensation The default setting is 3 The outdoor temperature difference is the difference between the current outdoor temperature and the outdoor temperature at the last optimisation Inputs and outputs Al Room temperature sensor The digital input signal External power limitation can be used to temporarily limit the power available to the heating circuits When the input closes the setpoint is lowered by an adjustable factor in relation to 20 C The limitation affects all configured heating systems The limitation is calculated as follows Limited setpoint 20 setpoint 20 factor 100 Factor 100 means no setpoint reduction O means complete reduction to 20 C 6 1 14 M bus power limitation P100013115 A By connecting a district heating meter to port 2 the maximum power for HS1 can be restricted using the power limitation function This function can be used for example if the power is not sufficient to cater for all users Certain customers such as care homes can then be given priority of supply If this function is active the actuator is regulated by two controllers at the same time The controller that supplies the lower output signal regulates the actuator 43 125 ws AUTE R flexotron 800 Functions 6 2 C
37. ater preparation function HP1 can be configured The hot water preparation pump P1 HP1 is started and stopped according to the supply and return temperature of the water tank The return temperature sensor is positioned in the water tank and the supply temperature sensor is on the tank supply pipe Supply sensor V Return sensor Heat source Accumulator tank The pump starts up when the return temperature falls below the set starting temperature The pump switches off when the supply temperature is higher than the set cut off temperature and the return temperature is the set difference higher than the set starting temperature 6 4 1 Priority of HP over HS 6 5 46 125 Pressure control It is possible to give HP priority over the heating circuits by activating the corresponding function the same function as for hot water If the HP circuit is a certain adjustable number of degrees below the setpoint for an adjustable period of time the actuators of the heating circuits are forced to close The flexotron 800 can use an analogue signal to control a variable speed pump in order to maintain a constant pressure in the system A digital output signal is available as a start signal for the frequency converter This signal is activated when the analogue control signal of the frequency converter exceeds 0 1 V P100013115 A flexotron 800 6 6 Boiler control 6 6 1 General information SAUTER Functions T
38. ation 9 4 1 Parallel shift The control characteristics for the supply temperatures can be individually parallel shifted 9 4 2 Maximum limitation The maximum supply temperature can be individually set for the various systems 9 4 3 Minimum limitation The minimum supply temperature can be individually set for the various systems 9 4 4 Setpoint auto correction Room temperature sensors can be used to correct the set control characteristics The average temperatures over a defined period of time are calculated After this a parallel shift of the entire curve upward or downward is carried out depending on whether the difference between the room setpoint and the actual room value is positive or negative After comparison the deviation is multiplied by the correction factor and the sum is added to the current shift according to the following formula Shift room setpoint average temp factor The frequency of this calculation can be set between 0 24 h AtO h a calculation is performed every minute at 24 h the calculation takes place once a day The correction factor can be set from 0 100 The present shift is limited to a maximum of 20 C The present room temperature must be between 10 30 C 72 125 P100013115 A flexotron 800 YS AUT E R Configuration so that the function is activated and the outdoor temperature must move between the X coordinates of the weather dependent characteristic i e an outdoor
39. between a fixed setpoint a weather dependent setpoint or the highest of the other setpoints configured for the heating system Timer outputs Up to 5 individually configurable clock channel outputs for controlling functions such as door locks and lighting Timer Individual day programmes holiday schedules year long clock Water consumption Digital input for displaying water consumption Energy consumption Digital input for displaying energy consumption 15 125 ws AUTE R flexotron 800 About flexotron 800 3 4 flexotron 800 hardware overview Model RDT808 RDT815 RDT815 RDT815 RDT828 RDT828 RDT828 F211 F011 F211 F221 F011 F211 F221 Analogue inputs 2 4 4 4 4 4 4 Digital inputs 3 4 4 4 8 8 8 Universal inputs 4 4 4 UI Analogue outputs 1 3 3 3 5 5 5 Digital Outputs 2 4 4 4 7 7 7 DO RS485 Yes Yes Yes No Yes Yes No WEB TCP IP No No No Yes No No Yes Display Yes No Yes Yes No Yes Yes Ext display No Optional No No Optional No No RS485 communication port not available for versions with WEB TCP IP However a 2 port flexotron 800 with TCP IP and RS485 can be selected on request with the RS485 port used for expansion units etc 3 5 flexotron 800 model overview Model with display Model without display Description RDT808F211 RDT815F011 RDT828F011 Standard controller with RS485 RDT815F211 port RDT828F211 RDT815F221 Controller with TCP IP port and RDT828F221 built in webserver 16 125 P10001311
40. d Down buttons Sometimes there are further submenus linked to a menu or menu item Additional menus are indicated by an arrow symbol in the right corner of the display Use the Right button again to select them Use the Left button to go back one menu level Editing parameters Some menus contain parameters that can be set This is indicated by the flashing yellow LED a Rapid flashing twice per second indicates that the parameter can be edited using the current access level Slower flashing once per second indicates that a higher access level is required to edit the parameter To edit a parameter first press the OK button If you need a higher access level to edit the parameter a login menu appears see section 8 Otherwise the cursor appears at the first editable value Press the Up and Down buttons to edit the value P100013115A flexotron 800 ws AUT E R Display LEDs and buttons In numbers containing several digits you can move between the digits using the Left and Right buttons When the required value is displayed press OK If there are other editable values the cursor automatically moves to the next one To skip a value without editing it press the Right button To reverse a change and return to the original setting press and hold the C button until the cursor disappears P100013115 A 59 125 Ts AUTE R flexotron 800 flexotron 800 8 Access rights 8 1 Logging in P100013115A SAUTER Access r
41. d the maximum limit 110 125 P100013115 A flexotron 800 Ts AUT E R Settings Submenu For manual operation or reading the pumps 10 3 3 CS1 Submenu For manual operation of the pump Submenu For manual operation of the digital output CS1 start cooling unit gt SAUTER flexotron 800 Settings 10 3 4 HW1 and HW2 10 3 5 HP1 10 3 6 Boiler Submenu For manual operation of the pump HW1 only Menu for setting the vessels circulation pumps return valves and transport pumps to manual mode The menu structure depends on the configuration Alternative 1 Off On Boilers 1 4 can be set to Auto Manual Off Start1 Start2 with 2 step vessels and Auto Manual Off Manual On with 1 step vessels Alternative 2 Off On modulating regulation If a modulating vessel has been selected for boiler 1 flexotron 800 P100013115 A SAUTER Settings This not only affects the modulating vessel but the controller as a whole The controller signal is distributed equally among the number of vessels If you only want to set the modulating vessel to manual mode you must first calculate the proportion of the controller signal which is modulating i e 100 X the percentage that must be set on the controller to reach 10V at the analogue output where X is the total number of vessels including the modulating vessel The 1 and 2 step vessels can be set to Auto Manual O
42. ding This heating can take place once a day or once a week The running time and the start time are adjustable The function can be interrupted if the return temperature exceeds 62 C The shortest running time is 1 minute Anti legionellae function This function periodically heats up HP1 It is used to prevent legionella bacteria from growing and spreading This heating can take place once a day or once a week The start time is adjustable The function is interrupted if the return temperature exceeds 65 C P100013115 A flexotron 800 S AUT E R Configuration 9 18 System 9 18 1 Changing the language Use this menu to change the display language You can also access this menu directly by pressing and holding the OK button at power up or by pressing the Right button three times when the start display appears 9 18 2 Selecting the start display text normally shown There are five different start display texts to choose from Type 1 Line 2 shows the date and time Line 3 shows the text HS1 Line 4 shows the current setpoint and the current temperature for HS1 Type 2 Line 2 shows the date and time Line 3 shows the text HW1 Line 4 shows the current setpoint and the current temperature for HW1 Type 3 Line 2 shows the text HS1 HW1 Line 3 shows the current setpoint and the current temperature for HS1 Line 4 shows the current setpoint and the current temperature for HW1 P100013115 A 97 125 SAUTER
43. e For configuration using CASE flexotron see the CASE flexotron manual For configuration using the controller display there are options depending on the user s Skill Option 1 1 Go straight to sections 7 and 8 Display LEDs and buttons and Access rights 2 Once you are familiar with the buttons and menu system connect the controller to the power supply Log in as administrator and go to the Configuration menu 3 For the time being skip the configuration menu for the inputs and outputs and start by configuring the control functions 4 Go through the configuration menus in order and set all the required functions and parameters Use section 6 of the manual for reference The list of input and output functions in section 4 2 3 helps you keep track of the required inputs and outputs 5 Finally configure the inputs and outputs P100013115 A 35 125 SAUTER Commissioning 36 125 flexotron 800 6 Exit the Configuration menu and continue by making the settings within the activated controller systems 7 Set the control parameters in Temperature control 8 Set the running times in the ECO Comf mode menu gt The flexotron 800 controller should now be ready for operation Option 2 Read this manual in the order given below The manual provides a step by step guide to commissioning The last sections of the manual describe menus and functions that are not required during commissioni
44. e maximum shift The running time in minutes for the shift is calculated as follows Running time 1 6 17 outdoor temp 9 The running time is limited to a maximum of 60 minutes Power limitation The digital input signal External power limitation can be used to temporarily limit the power available to the heating circuits When the input closes the setpoint is lowered by an adjustable factor in relation to 20 C The limitation affects all configured heating systems The limitation is calculated as follows Limited setpoint 20 setpoint 20 factor 100 Factor 100 means no setpoint reduction O means complete reduction to 20 C Frost protection facility If a controller is in Off or Manual mode and the outdoor temperature falls below a set value an adjustable minimum supply temperature is maintained and the pump starts up 95 125 WSAUTER Configuration 9 17 2 HW1 9 17 3 HP1 96 125 flexotron 800 Output signal splitting Any of the output signals HS1 HS2 HS3 CS1 HW1 or HW2 can be split in two Seiting priority for HS or HW The function can be set to HS or HW priority If one of the circuits has priority and does not reach the setpoint within the delay time the other circuits are forced to close For more detailed information see sections 6 1 6 and 6 3 6 Anti legionellae function This function periodically heats up HW1 It is used to prevent legionella bacteria from growing and sprea
45. e sensors can be connected They are only used to display the temperature You can give the sensors any name you want To do this press the OK button and then use the Up and Down buttons P100013 flexotron 800 SAUTER Expansion units 11 Expansion units 0 11 1 Port 1 11 2 Port 2 P100013115 A Expansion units can only be used if a flexotron 800 with 2 ports is used as the master These devices are only available on request For a list of the various flexotron 800 models see the summary in section 3 4 On a 2 port flexotron 800 port 1 is used to connect to CASE flexotron and possibly to a SCADA system On WEB versions port 1 is the TCP IP interface Port 2 is used for expansion units such as expansion controllers or M bus meters Up to three meters or two expansion controllers can be connected The controllers must be flexotron 800 Slave units do not need a display because it cannot be used and does not display anything However a flexotron 800 with a display can be used as an expansion unit The first time a slave unit without a display is started up an external display is required to activate the controller as an expansion unit If you are initialising it using CASE flexotron no external display is required All configuration takes place either using CASE flexotron or the display on the master unit The master unit displays all the inputs and outputs For the configuration of port 2 see sectio
46. eating circuit exceeds the return of the secondary circuit by more than the set number of degrees the valve closes in order to lower the return function 76 125 P100013115 A flexotron 800 Ts AUT E R Configuration 9 5 3 Minimum return temperature 9 5 4 Return limitation factor 9 6 Boiler control For configuring and setting boiler control 9 6 1 General information Set the type of boiler control Boiler control can be configured as Off On as Off On modulating control or Modulating control For more information on the various types of boiler control see section 6 6 2 S AUT E R flexotron 800 Configuration If the boiler control is set to either Off On modulating control it is possible to activate the boiler change function The setting of each boiler is described in The setpoint type can be set to constant setpoint weather dependent setpoint or control loop setpoint See also section 6 6 3 The number of boilers can be set from 1 4 If the shared return temperature sensor Boiler return temp falls below the set temperature activation of the HS valves is disabled It is enabled when the return temperature rises above the set temperature 5 C again 9 6 2 Boilers 1 4 The boilers can have 1 step 2 step or modulating vessels For setting the starting sequence and the admissible minimum running time and stop time The starting sequence can be set to
47. emperature 0 50 C Humidity Max 95 rh non condensing Example of terminal assignment on RDT828 LS MM 24 V 0 10 V Actuator 2 10 A EN 61558 2 6 24V 5 EVA g L 5 8 5 amp Relay Bo II Y Y 24V 24V 5 2 Temp sensors 8 S a Ni1000 a F Options RDT828F221 RDT828F011 aa rae st os ee go FGPAP Ext 19 125 SAUTER flexotron 800 Installation and terminal assignment 4 2 Terminal assignment 4 2 1 Power supply At the end of this section there are terminal assignment plans that show the available factory set configurations as well as blank wiring diagrams Because most functions of the inputs and outputs depend on the programming of the device the definitive wiring diagram cannot be completed until the installer has assigned the inputs and outputs It is important to make sure that the wiring is correctly carried out in accordance with the instructions in this manual 24 V 415 50 60 Hz or 21 36 V DC If the flexotron 800 controller and the connected actuators are supplied by the same transformer the same transformer pole must be used as reference earth for the entire installation If the reference earth is not the same the equipment will not function properly and serious damage may occur 4 2 2 Inputs and outputs 20 125
48. ep e Boilers 2 4 can be either 1 step or 2 step If boiler 1 is configured to modulating control when there is an increased heat requirement the analogue output is first activated with 0 10V If the heat requirement increases so that the first vessel is no longer sufficient the first digital output is activated as well The analogue output is kept at OV for an adjustable period of time and the controller is blocked After this the analogue output is activated at 0 10V according to the heat requirement When the heat requirement decreases the function operates in reverse see the figure below The increase and decrease in the controller take place in increments and each time digital outputs are switched on or off the controller is blocked for the set time Power Boiler 1 modulating control 0 100 controller i outputsignal start start start Boiler 2 Boiler 3 Boiler 4 P100013115 A flexotron 800 ws AUT E R Functions If boiler 1 is configured for the digital function 1 step or 2 step the digital outputs are activated one after the other and every time they are switched on or off the controller is blocked for the set time see the figure below Power controller i l outputsignal start start Start start Boiler 1 Boiler 2 Boiler 3 Boiler 4 Modulating control In this case the vessels can only be configured as modulating vessels 0 10V The vessels are controlled using a PI controller with adj
49. erating mode alarm for boiler 3 Operating mode alarm for boiler 4 Operating mode alarm for boiler pump 1 Operating mode alarm for boiler pump 2 Operating mode alarm for boiler pump 3 Operating mode alarm for boiler pump 4 Operating mode alarm for transport pump External alarm External power limit Water pulse Energy pulse CW1 pulse CW2 pulse Electric pulse CS1 Start Boiler alarm Boiler 1 Indication Boiler 2 Indication Boiler 3 Indication Boiler 4 Indication Boiler 1 Pump Indication Boiler 2 Pump Indication Boiler 3 Pump Indication Boiler 4 Pump Indication Transport Pump Indication External alarm Effect limiter Heating pulse Energy pulse CW1 pulse CW2 pulse Electric pulse CS1 start Boiler alarm HB1 ind HB2 ind HB3 ind HB4 ind HB1 pump HB2 pump HB3 pump HB4 pump Transp pump 25 125 SAUTER Installation and terminal assignment flexotron 800 v Description CASE flexotron Display External stop for boiler External Stop Boiler 1 4 External stop control Pressure flow alarm for boiler circuit Operating mode alarm for extra control circuit thermos tat function HB Pressure Flow error Extra Circuit pump Indica tion HB flow pressure Ext circ pump The universal inputs on the RDT828 can each be configured as either analogue or digital inputs and used for any of the analogue input signals above Analogue out
50. ff Start1 Start2 with 2 step vessels and Auto Manual Off Manual On with 1 step vessels Alternative 3 modulating regulation Only the controller can be put into manual mode here This means that not only the vessels that start up second third and fourth can be put into manual mode but the vessels that start up at a lower percentage also start This problem can be avoided either by changing the vessel starting sequence i e the vessel to be set to manual mode must be set as the fixed first boiler Fixed 1st Alternatively you can set the output to manual mode using the configuration menu The Auto Manual Off Manual On setting is for manual operation of boiler pumps 1 S The Auto Manual Off Manual On setting is for manual operation of the transport 113 125 ws AUT E R flexotron 800 Settings The Auto Manual Off Manual On setting is for manual operation of return valves 1 4 10 3 7 Additional control loop For manual operation of the additional control loop 10 4 ECO comfort function 10 4 1 General information Two comfort temperature periods can be set for every day When the heating system is outside its comfort periods it is put into ECO economy mode The setpoint is then reduced by 5 degrees in the room adjustable One degree in the room corresponds to a reduction of the supply temperature setpoint by three degrees When the cooling system is outside its comfort periods the supply setpoi
51. fter a period of 30 seconds adjustable the vessel can start up When the boiler is stopped the vessel switches off first followed by the pump after a set delay The pumps are moved for 5 minutes every day at 3 p m The boiler control system includes a shared transport pump The pump starts up when a vessel is operating or when the outdoor temperature fall below 18 C adjustable If an alarm occurs on the transport pump all the vessels are stopped and disabled until the alarm is acknowledged and reset It is also possible to use a digital input to display the pressure and flow rate If there is no signal when the transport pump is running an alarm is generated and all boilers are stopped The pump is operated for 5 minutes every day at 3 p m 6 6 10 Boiler return temperature P100013115 A To minimise the risk of condensation in the boiler it is important that the temperature is above the condensation temperature There are two ways to ensure this e Uniform return temperature The risk of condensation can be reduced by using a shared return temperature sensor If the temperature at the sensor falls below an adjustable value preset at 30 C all the valves of the HS circuits are closed The valves remain closed as long as the boiler return temperature remains below that value hysteresis 5 C adjustable 51 125 SAUTER Functions flexotron 800 e Individual return temperatures Each boiler has a return tem
52. he flexotron 800 can be configured to control up to 4 boilers The vessels for each boiler can be set to 1 step 2 step or modulating regulation depending on the type of boiler control The vessels are controlled either by a PI controller with adjustable P band and I time or by a thermostat function 6 6 2 Type of boiler control P100013115 A Boiler control can be configured as Off On as Off On modulating control or Modulating control Off On control In this case the vessels are controlled using a thermostat function The vessels for each boiler can be configured as 1 step or 2 step vessels with adjustable hysteresis starting point 1 SD1 and starting point 2 SD2 and an offset for step 2 maximum power Starting and stopping take place using the following formulae as illustrated tart low power SP SDI tart high power SP SD2 offset Si Si Stop low power SP Si top high power SP offset l l l l l supply temp l ow SP Stop power l l l l l l l Power l l l l l l Start low l l Start high power Stop high power 47 125 SAUTER Functions 48 125 flexotron 800 Off On modulating control If the boiler is set to Off On modulating control the boilers are regulated using a PI controller with adjustable P band and I time e The first boiler can be set to either modulating 0 10V Off On 1 step or Off On high power 2 st
53. ights There are three different access levels Admin which has the highest access rights Operator and the basic access level which does not require a login The access level determines which menus and editable parameters are displayed Admin level gives full read write access to all settings and parameters in all menus Operator level gives access to all menus except Configuration The basic level only permits changes in the operating mode and read only access to a limited number of menus To log into the various access levels repeatedly press the Down button in the start display until the arrow in the left of the display points to Access rights Press the Right button In this menu it is possible to log into any access level by entering the appropriate 4 digit password code The menu is also displayed if you try to access a menu or carry out a function that requires a higher access level When you press the OK button the cursor jumps to the first digit Repeatedly press the Up button to set the digit Press the Right button to go to the next digit Repeat the procedure for all four digits of the code Press OK to confirm An info text with the current menu level appears in the display Use the 1 button to quit this menu 61 125 S AUT E R flexotron 800 Access rights 8 2 Logging out Use this menu to log out from the current access level to the basic level that does not require a login Automatic
54. increased by connecting either one or two expansion units to port 2 The flexotron 800 models with two ports are available only on request 3 1 Selecting the application On delivery the main memory of the flexotron 800 controller is empty All the application programs are located in a separate memory area On the first start up the controller starts a special program for downloading the required application to the main memory First press OK to set the date and time Use the Up and Down buttons to change the parameters and the Right and Left buttons to move between fields Then press OK to confirm the date The cursor automatically skips to the time Set the time in the same way as the date Press OK to confirm Press the down arrow to go to Select application Confirm your selection with the Right button Press the down arrow to go to Select application Confirm your selection with the Right button P100013115A 13 125 SAUTER About flexotron 800 3 2 3 3 14 125 Select language flexotron 800 In the basic display press the Right button three times to go to the language selection Press OK to choose the language Use the Up and Down buttons to select the language Press OK to confirm After a few seconds the start display for the selected application appears in English If you selected a language other than English the display then appears in the selected language Heating applicati
55. ind sensor Faulty signal from pressure sensor Failure or short circuit on boiler supply sensor Failure or short circuit on boiler return sensor P100013115 A flexotron 800 P100013115A Alarm text SAUTER Configuration Prio Description 84 85 86 87 88 89 90 91 92 93 94 95 96 Ey 98 99 100 101 102 103 104 106 107 108 109 110 111 112 Sensor error CS1 Supply Sensor error CS1 Return Sensor error HP Supply Sensor error HP Return Sensor error CP Supply Sensor error CP Return Sensor error Extra sensor 1 Sensor error Extra sensor 2 Sensor error Extra sensor 3 Sensor error Extra sensor 4 Sensor error Extra sensor 5 Sensor error Boiler supply Sensor error Boileri Return Sensor error Boiler2 Return Sensor error Boiler3 Return Sensor error Boiler4 Return Sensor error 1 Extra Circuit Sensor error 2 Extra Circuit Sensor error CS1 room Ni1000 Sensor error CS1 Room 0 10V Sensor error HW1 Return Deviation CS1 CS1 manual CS1 Supply Max CS1 Supply Min CS1 Return Max CS1 Return Min Malfunction P1A CS1 B B Failure or short circuit on CS1 supply sensor Failure or short circuit on CS1 return sensor Failure or short circuit on HP supply sensor Failure or short circuit on HP return sensor Failure or short circuit on CP supply sensor Failure or short circuit on CP return sensor Failure or short circuit on extra sensor 1 F
56. ion above the set limit Cold water consumption above the set limit Leakage above the set limit Malfunction on both circulation pumps P1A and P1B in HS1 Malfunction on both circulation pumps P1A and P1B in HS2 Malfunction on both circulation pumps P1A and P1B in HS3 No pulses from cold water meter 1 No pulses from cold water meter 2 HS1 in manual mode HS2 in manual mode HS3 in manual mode HW1 in manual mode HW2 in manual mode Pressure control in manual mode Boiler in manual mode P1A HS1 in manual mode P1B HS1 in manual mode P1A HS2 in manual mode P1B HS2 in manual mode P1A HS3 in manual mode P1B HS3 in manual mode P1 HW1 in manual mode P1 HP1 in manual mode P1 frequency controlled in manual mode HS1 maximum supply limit activated HS2 maximum supply limit activated HS3 maximum supply limit activated HS1 minimum supply limit activated HS2 minimum supply limit activated 87 125 SAUTER Configuration 88 125 Alarm text flexotron 800 Prio Description 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 fal 72 73 74 713 76 ate 78 9 80 81 82 83 HS3 Supply Min HS1 Return Max HS2 Return Max HS3 Return Max HS1 Return Min HS2 Return Min HS3 Return Min HS1 Frost HS2 Frost HS3 Frost Internal battery error Low Boiler return temp Sensor error HS1 Supply Sensor error HS2 Supply Sensor error HS3 Supply
57. is the pump starts again For information on setting the hysteresis and the start and cut off temperatures see 10 1 1 The cooling system also has individual start and stop delays If the outdoor temperature falls below the set cut off temperature for more than the set stop delay the pump switches off and the signal at the valve actuator is set to O If the outdoor temperature exceeds the set start temperature for longer than the start delay by more than the set hysteresis the pump starts again For information on setting the hysteresis and the start and cut off temperatures see 10 1 1 Alternatively to the outdoor temperature dependent pump stop the digital input CS1 start can be used to start and stop the pump and for regulation The signal at the valve actuator is set to OV if the input is off When configuring CS1 start this input must be active so that the pump can be allowed to start and the valve can open when required 80 125 P100013115 A flexotron 800 SAUTER Configuration The domestic hot water system HW1 does not have a temperature dependent pump stop function but is based on the timer channel HW1 stops when the time is no longer in the timer channel for the comfort temperature The pump starts again when the time is within the configured comfort period The daily test operation for the heating systems and the cooling system takes place at 3 p m adjustable 9 8 Twin single pump P10001
58. logout If the access level is Operator Service or Admin the user is automatically logged out and returned to Basic level after a period of inactivity For more information see the Automatic logout section This function can also be disabled see section 8 5 8 3 Changing the code The flexotron 800 is supplied with the following default passwords for the different levels e Admin 1111 e Operator 3333 e Basic 5555 You can only change the password for the access level you are currently in or for lower ones For example if you are logged in as Admin you can change all the passwords If you are logged in as Operator on the other hand you can only change the Operator and Basic passwords However there is no point in changing the Basic password since access to that level is granted automatically to all users Li The Admin password may not be the same as the password for a lower level because this would prevent access to the Admin level 62 125 P100013115 A flexotron 800 ws AUT E R Access rights 8 4 Forgotten password If the Admin password has been changed and then forgotten a temporary password can be obtained from SAUTER This is only valid for one day and must be changed within this time 8 5 Changing the password to deactivate automatic logout If you want to deactivate the automatic logout function change the password of the required level to 0000 This level then remains always active 9 Remember tha
59. me of the signal in CASE flexotron and the right column shows the text displayed in the flexotron 800 controller Analogue inputs v Description CASE flexotron Display Outdoor temperature sensor Outdoor Temp Outd Temp Supply temperature heating HS1 Supply Temp HS1 Supply system 1 Supply temperature heating HS2 Supply Temp HS2 Supply system 2 Supply temperature heating HS3 Supply Temp HS3 Supply system 3 Supply temperature cooling CS1 Supply Temp CS1 Supply system Supply temperature dome HW1 Supply Temp HW1 Supply stic hot water circuit 1 Supply temperature dome HW2 Supply Temp HW2 Supply stic hot water circuit 2 Supply temperature hot HP1 Supply Temp HP1 Supply water preparation Room temperature heating HS1 Room Temp HS1 Room system 1 Room temperature heating HS2 Room Temp HS2 Room system 2 Room temperature heating HS3 Room Temp HS3 Room system 3 Room temperature cooling CS1 Room Temp Ni1000 CS1 Room system Ni1000 Room temperature cooling system 0 10V Return temperature heating system 1 Return temperature heating system 2 Return temperature heating system 3 Return temperature cooling system Return temperature hot water 1 Return temperature hot water preparation Wind sensor 0 10 V DC CS1 Room Temp 0 10V HS1 Return Temp HS2 Return Temp HS3 Return Temp CS1 Return Temp HW1 Return Temp HP1 Return Temp Wind speed CS
60. modem 9 16 4 Alarm forwarding via SMS 9 17 Other parameters 9 17 1 General information 9 17 2 HW1 9 17 3 HP1 9 18 System 9 18 1 Changing the language 9 18 2 Selecting the start display text normally shown 9 18 3 Automatic summer winter time change over 9 18 4 Controller bus address 9 18 5 Remote operation using the display 9 18 6 Automatic logout 10 Settings 10 1 Actual value setpoint 10 1 1 HS1 HS2 and HS3 10 1 2 CS1 10 1 3 HW1 and HW2 10 1 4 HP1 10 1 5 Boiler 10 1 6 Additional control loop 10 2 Temperature control 10 2 1 General information 10 2 2 HS1 HS2 and HS3 10 2 3 CS1 10 2 4 HW1 and HW2 10 2 5 Boiler 10 3 Manual auto 10 3 1 General information 10 3 2 HS1 HS2 and HS3 10 3 3 CS1 10 3 4 HW1 and HW2 10 3 5 HP1 10 3 6 Boiler 10 3 7 Additional control loop 10 4 ECO comfort function 10 4 1 General information 10 4 2 HS1 HS2 HS3 HW1 HW2 and CS1 10 5 Clock timer outputs 10 5 1 General information 10 5 2 Time date 10 5 3 Timer outputs 10 6 Holidays 10 7 Energy cold water 10 7 1 Heating meter 10 7 2 Cold water meters CW1 and CW2 10 7 3 Electricity meter 10 7 4 Leakage monitoring flexotron 800 94 94 94 94 96 96 97 97 97 98 98 99 99 101 102 102 103 105 106 106 108 108 108 108 109 109 109 110 110 110 111 112 112 112 114 114 114 114 116 116 116 116 117 117 117 118 118 118 P100013115 A flexotron 800 P100013115 A 10 8 Running mode 1
61. n 11 3 2 Expansion units 121 125 SAUTER Expansion units 11 3 Connection 11 3 1 M bus meters 11 3 2 Expansion units 122 125 flexotron 800 The flexotron 800 can process measured values from up to three meters using the external converter The converter communicates with the meters via M bus and communication between the converter and the flexotron 800 takes place using a proprietary protocol EXOline M Bus X1176 Water meter Water meter District heating meter The following meter variables can be read e Supply temperature e return temperature e differential temperature e energy e power e volume e flow Section 9 16 2 lists the meters that can be connected The master unit and expansion units communicate using a proprietary bus The slave controllers are initialised with the address 241 1 or 241 2 PLA ELA EXOline A kogt Lise ee _ ea BB Ox OA OA O i O O P100013115 A flexotron 800 12 Other functions 12 1 Alarm handling P100013115 A SAUTER Other functions If an alarm occurs the red Alarm LED appears either on the front of the display units or on an external display The LED flashes as long as there are unacknowledged alarms Alarms are logged in the alarm list The list shows the type of alarm the date and the time and the alarm class A B or C Press the alarm button on the front panel to see the al
62. n be actuated when there is a cooling requirement Night time is the time between 24 00 and 05 00 a m As well as the stop temperatures you can also set start and stop delay times see section 9 7 P100013115 A flexotron 800 10 1 3 HW1 and HW2 SAUTER Settings Submenu Room temperature sensor Either a Ni1000 or a 0 10V transmitter can be used as the room temperature sensor for CS1 If you are using a temperature transmitter its operating range must be 0 50 C The room temperature sensor does not directly affect temperature regulation but can influence it when dew point control is activated Submenu Return temperature Submenu Relative humidity The humidity transmitter has an operating range corresponding to 0 100 relative humidity of the flexotron 800 Actual value and setpoint for domestic hot water 105 125 ws AUT E R flexotron 800 Settings 10 1 4 HP1 Submenu Return temperature Submenu Start and stop temperatures for the pump 10 1 5 Boiler Different screen displays appear depending on the type of setpoint selected for boiler control For more detailed information see section 6 6 3 Alternative 1 constant setpoint Alternative 2 control loop setpoint Alternative 3 weather dependent setpoint flexotron 800 S AUT E R Settings To set the weather dependent characteristic 8 points Return temperature for boilers 1 2 3 a
63. n once in the start menu a display appears with a text of your own choice You can use the text for the name of the installing company for service contacts and telephone numbers or other information The simplest way to enter the text is with CASE flexotron but you can also use the buttons Four lines of 20 characters are available 12 3 Version number If you press the Right button twice in the start menu the version number of the program and the ID number appear in the display 124 125 P100013115 A Fr Sauter AG Im Surinam 55 CH 4016 Basel Tel 41 61 695 55 55 Fax 41 61 695 55 10 www sauter controls com info Osauter controls com Printed in Switzerland
64. nd 4 If boiler control is set to Off On the cut in and cut out points for boilers 1 4 are set using the following menu display For reading the shared return temperature sensor ws AUT E R flexotron 800 Settings 10 1 6 Additional control loop The actual value for the temperature sensor of the additional control loop as well as the pump start hysteresis For the pump to start extra temperature sensor 1 must be 5 C higher than extra temperature sensor 2 The pump stops when extra temperature sensor 1 extra temperature sensor 2 The hysteresis is freely configurable 10 2 Temperature control 10 2 1 General information For regulation to function effectively the controller parameters must be adjusted for the prevailing conditions The lower the values for the P band and I time the faster the controller reacts However it is important not to set the values too low because otherwise the system may become unstable On the other hand the values must not be set too high because then the temperature will fluctuate above and below the setpoint The P band balances the control deviation proportionally The I time influences the controller output signals over time 10 2 2 HS1 HS2 and HS3 Controller P band and I time settings Submenu Only available for HS1 and HS2 108 125 P100013115A flexotron 800 Ts AUT E R Settings 10 2 3 CS1 Controller P band and I time settings 10 2 4 HW1 and
65. nd stop the pump When the pump is stopped an output signal of OV is present at the actuator 6 2 5 Starting the cooling unit A digital output can be configured for starting and stopping the cooling unit The output is subject to the pump settings However pump test operation does not affect this output 6 2 6 Eco comfort function The flexotron 800 has a time programme for the cooling system with two comfort periods per day Outdoor the comfort periods the adjustable supply setpoint is increased in order to reduce energy consumption 44 125 P100013115 A flexotron 800 SAUTER Functions 6 2 7 Temperature limiter The supply temperature assigned a value as a fixed upper limit It is also possible to set upper and lower limits for the return temperature If the return temperature falls below the minimum or exceeds the maximum value the supply setpoint is regulated using an adjustable factor 6 2 8 Bypass valve frost protection in the primary cooling system A digital output can be used in the cooling system to control a bypass valve The CS1 bypass valve opens on the condition that the outdoor temperature falls below 3 C and the CS1 valve is closed 0 If this condition is not met the CS1 bypass valve remains closed 6 3 Domestic hot water 6 3 1 General information 6 3 2 Controller 6 3 3 Night reduction The flexotron 800 can be configured for either one or two domestic hot water circuits HW1 and HW2 These
66. ng For this reason they are not included in the following sections Functions First read section 6 Functions Some functions are essential for the controller to operate correctly and must be set Others are additional functions and do not necessarily need to be set Section 4 2 3 contains a list of all analogue and digital inputs and outputs Mark all the inputs and outputs in the list that you will be using for the application Remember that the universal inputs on the RDT828 can each be configured as either analogue or digital Display buttons and LEDs Section 7 describes how to use the controller buttons to navigate the flexotron 800 menu system Access rights See section 8 Logging into the flexotron 800 Configuration See Section 9 Configuration Connect the power supply to the controller Use the buttons and menu system to select the required functions in the configuration menu The unit is delivered preconfigured and all the inputs and outputs are assigned to various functions which you can change later Section 4 Installation and terminal assignment includes two terminal assignment diagrams one with the preconfigured inputs and outputs and where you can put in your own configurations Settings Set the control parameters P band and I time for temperature control These settings can be found in the temperature control menu of the controller system To set the alarm parameters alarm levels and alarm delays see
67. nication error M bus WM 1 Communication error M bus WM 2 Low return temp HW1 Pressure Flow error Malfunction Boiler 1 Malfunction Boiler 2 Malfunction Boiler 3 Malfunction Boiler 4 Malf Boilerpump 1 Malf Boilerpump 2 Malf Boilerpump 3 Malf Boilerpump 4 Malf transportpump Boiler 1 manual Boiler 2 manual Boiler 3 manual Boiler 4 manual Boilerpump 1 Manual Boilerpump 2 Manual Boilerpump 3 Manual Boilerpump 4 Manual Transportpump Manual B B DJ DJ O EROI O RG O Ro Bet Malfunction on pump P1B CS1 Malfunction on both circulation pumps P1A and P1B in CS1 P1A CS1 in manual mode P1B CS1 in manual mode Communication interrupted between expansi on unit 1 and master Communication interrupted between expansi on unit 2 and master Error on M bus communication between mas ter and district heating meter Error on M bus communication between mas ter and district heating meter 1 Error on M bus communication between mas ter and district heating meter 2 Return temperature too low for too long Pressure or flow error in alarm circuit Malfunction in boiler 1 Malfunction in boiler 2 Malfunction in boiler 3 Malfunction in boiler 4 Malfunction in boiler pump 1 Malfunction in boiler pump 2 Malfunction in boiler pump 3 Malfunction in boiler pump 4 Malfunction in boiler transport pump Boiler 1 in manual mode Boiler 2 in manual mode Boiler 3 in manual mode Boiler 4 in manual mode Boiler pump 1
68. ns are connected to the right inputs and outputs Factory setting On delivery all the inputs and outputs have already assigned signals These are suggestions only and can easily be changed 9 2 2 Analogue inputs Al All analogue inputs are suitable for Ni1000 or 0 10 V Corrections can be made for input signals for example for electrical resistance The raw value shows the actual uncompensated input value 68 125 P100013115 A flexotron 800 Ts AUT E R Configuration 9 2 3 Digital inputs Dl To make them easier to adapt to external functions all digital inputs can be configured either as normally open NO or normally closed NC By default the inputs normally open which means if the input is closed the function linked to the input in the flexotron 800 is activated 9 2 4 Universal inputs Ul Unlike the other models the largest models RDT828F xxx have universal inputs These can be individually configured as either analogue or digital inputs If an input is configured as analogue it can be assigned any analogue signal in the Analogue input signals list If an input is configured as digital it can be assigned any analogue signal in the Digital input signals list Once the Al or DI signal has been specified the unused alternative must be set to not active submenus with settings appear Press the Right button to access these menus The input signals can be compensated for example
69. nt is increased by an adjustable number of degrees The comfort function is not active on delivery lt must be activated for each of the various systems when an increase or decrease in ECO mode is required 10 4 2 HS1 HS2 HS3 HW1 HW2 and CS1 Submenu Setting the comfort periods Each controller system has 8 separate setting menus one for every day of the week and an additional one for the holiday programme The holiday programme has priority over the other programmes For all day operation set a period of 00 00 24 00 114 125 P100013115A flexotron 800 Ts AUT E R Settings To deactivate a period set it to 00 00 00 00 ws AUT E R flexotron 800 l Settings 10 5 Clock timer outputs 10 5 1 General information The flexotron 800 has a year round clock function with automatic winter summer time change To see timer outputs 1 5 in the display they must first be configured 10 5 2 Time date Using this menu you can see and change the time and date The time is shown in the 24 hour format The date has the format YY MM DD 10 5 3 Timer outputs Up to five separate digital timer outputs can be configured Each has a weekly programme with two activation periods per day Each channel has 8 separate setting menus one for every day of the week and an additional one for the holiday programme The holiday programme has priority over the other programmes 116 125 P100013115 A
70. o configure all alarms Select the appropriate alarm number from the alarm list The alarm text for that alarm is displayed and the alarm priority can be set A alarm B alarm C alarm or inactive SAUTER Configuration 86 125 Alarm text You can change the alarm text that is displayed using CASE flexotron For more information see the CASE flexotron manual Alarm list The alarm text and priority column show the factory settings Alarm text flexotron 800 Prio Description 10 11 12 13 14 15 16 117 18 19 20 21 22 23 24 25 Malfunction P1A HS1 Malfunction P1B HS1 Malfunction P1A HS2 Malfunction P1B HS2 Malfunction P1A HS3 Malfunction P1B HS3 Malfunction P1 HW1 Malfunction P1 HP1 Malfunction on frequency converter Expansion vessel External alarm Boiler alarm Deviation HS1 Deviation HS2 Deviation HS3 Deviation HW1 Deviation HW2 Sensor error Outdoor temp High HW1 temp High HW2 temp High Boiler temp Low Boiler temp Pulse error volume Pulse error energy High cold water usage day B B Malfunction on pump P1A HS1 Malfunction on pump P1B HS1 Malfunction on pump P1A HS2 Malfunction on pump P1B HS2 Malfunction on pump P1A HS3 Malfunction on pump P1B HS3 Malfunction on pump P1 HW1 Malfunction on pump P1 HP1 Malfunction on converter Expansion vessel External alarm Boiler alarm Supply temperature HS1 deviates too much and t
71. odbus master or Expansion units and Modbus master For these function you need a controller with 2 ports Port two is then used for communication with the expansion units or frequency converters Slave For connection to CASE flexotron Expansion unit In order to connect additional I Os inputs and outputs to the flexotron 800 port 2 must be set to expansion unit only flexotron 800 controllers can be connected It is possible to connect two units giving a maximum number of 28 3 84 inputs outputs The expansion units must have the addresses 241 1 and 241 2 respectively ELA PLA To commission the expansion units select Expansion unit at start up see below After commissioning the expansion units and defining the master controller you can configure all the inputs and outputs using the master controller under Configuration Inputs Outputs The inputs and outputs of the expansion units are designated as Exp1 Exp2 92 125 P100013115A flexotron 800 SAUTER Configuration Master For future use M bus To connect a district heating meter or a second water meter to the flexotron 800 external hardware between the flexotron 800 and the meters is required Communication with the meters takes place using an M bus For the connection see section 11 3 1 Submenu For the type of district heating meter and water meter you can choose between Standard Meter no SND
72. on program The temperature controllers are Pl controllers for regulating heating circuits cooling circuits and boilers as well as PID controllers for regulating domestic hot water These controllers can be linked to various control functions and to analogue and digital inputs and outputs The user can freely select the functions and the inputs and outputs The only restriction to this is the number of physical inputs and outputs on the various models The flexotron 800 is designed for mounting on a DIN rail Heating control includes the following functions among others Heating Controlling 1 to 3 heating systems with weather dependent flow and control options using room sensors and or return sensors Optimisation function Optimisation of the starting time for reaching the comfort temperature after lowering in ECO mode Cooling Controlling a cooling system with dew point control The setpoint can be fixed or weather dependent P100013115A flexotron 800 P100013115 A SAUTER About flexotron 800 Domestic hot water Either one or two domestic hot water circuits and a hot water preparation control unit Additional control loop Differential thermostat function for moving fluids between two points depending on the temperature difference Pump differential pressure control A control loop for constant pressure Boiler control For sequential control of 1 to 4 boilers 1 step 2 step or modulating vessels You can choose
73. oo long from the setpoint Supply temperature HS2 deviates too much and too long from the setpoint Supply temperature HS3 deviates too much and too long from the setpoint Supply temperature HW1 deviates too much and too long from the setpoint Supply temperature HW2 deviates too much and too long from the setpoint Sensor error Outdoor temp HW1 supply temperature too high HW2 supply temperature too high Boiler temperature too high Boiler temperature too low No pulses from the water volume meter No pulses from the energy meter Daily cold water consumption above the set limit P100013115 A flexotron 800 P100013115A Alarm text SAUTER Configuration Prio Description 26 Pall 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 High energy usage High cold water usage hour High leakage Malfunction P1A amp B HS1 Malfunction P1A amp B HS2 Malfunction P1A amp B HS3 Pulse error CW1 Pulse error CW2 HS1 manual HS2 manual HS3 manual HW1 manual HW2 manual Pressure control manual Boiler manual P1A HS1 manual P1B HS1 manual P1A HS2 manual P1B HS2 manual P1A HS3 manual P1B HS3 manual P1 HW1 manual P1 HP1 manual P1 Freq manual HS1 Supply Max HS2 Supply Max HS3 Supply Max HS1 Supply Min HS2 Supply Min B B DI On O RoG ONO RG ORG ORG ORG ORG iz Daily energy consumpt
74. ooling system 6 2 1 General information A cooling system can be configured using the controller The setpoint for the cooling system can be fixed or weather dependent 6 2 2 Controller The cooling system is controlled using a PI controller with an adjustable P band and I time The controller uses a temperature sensor input for the supply temperature of the cooling system and an analogue output for the cooling control valve 6 2 3 Dew point control Dew point control is designed to prevent condensation in the cooling pipe system particularly when cooling convectors are connected This function increases the supply temperature of the cooling circuit according to the current dew point in the room A combined humidity and temperature sensor such as an EGH111 from SAUTER is connected and configured for this The dew point function calculates the current dew point temperature and adas it to an adjustable setpoint shift default setting 1 C The total is then compared to the current setpoint The higher value is then used as a setpoint for the cooling system supply temperature 6 2 4 Pump control A digital output can be used in the cooling system to control the pump The pump can be configured either for continuous operation or with pump stops The pump stops are activated via the outdoor temperature sensor It is also possible to set up pump stop and start delay times Alternatively the digital input CS1 start can be used to start a
75. perature sensor that actuates a control valve If the return temperature falls below an adjustable temperature default 40 C the control valve is actuated for increased recirculation The valve is controlled using a PI controller with an adjustable P band 10 C 6 7 Extra control loop This is a differential thermostat function that can be used for example to heat a water tank using solar panels This function is connected to two analogue inputs Extra control loop temp 1 and Extra control loop temp 2 and a digital output Extra control loop pump If Extra control loop temp 1 is a certain adjustable number of degrees higher preset at 5 degrees than Extra control loop temp 2 the pump starts up The pump runs until Extra control loop temp 1 Extra control loop temp 2 6 8 Cold water consumption 6 8 1 Values 52 125 Either one or two functions can be configured for monitoring cold water consumption each with a digital pulse input for connection to a water meter Each pulse constant can be adjusted The maximum pulse rate is 2 Hz The following values are calculated e Daily consumption in litres today e Daily consumption in litres yesterday e Daily consumption in litres the day before yesterday e Lowest hourly consumption in litres today e Lowest hourly consumption in litres yesterday e Total consumption in m3 This value can be reset e Water flow rate litres min P100013115 A flexotron 800 6 8 2 Ala
76. puts v Description CASE flexotron Display Actuator heating system 1 HS1 Valve HS1 Actuator HS1 Actuator heating system 2 HS2 Valve HS2 Actuator HS2 Actuator heating system 3 HS3 Valve HS3 Actuator HS3 Actuator cooling system 1 CS1 CS1 Valve CS1 Actuator Actuator domestic hot water HW1 Valve HW1 Actuator circuit 1 HW1 Actuator domestic hot water HW2 Valve HW2 Actuator circuit 2 HW2 Frequency converter pressure DP Valve Pressure Act 26 125 control Split of one of the above circuits not differential pressure Boiler 1 vessel Boiler 2 vessel Boiler 3 vessel Boiler 4 vessel Boiler 1 return valve actuator Boiler 2 return valve actuator Boiler 3 return valve actuator Boiler 4 return valve actuator Seq control of valve HS1 HP1 Boiler 1 Modulating vessel Boiler 2 Modulating vessel Boiler 3 Modulating vessel Boiler 4 Modulating vessel Boiler 1 Returntemp Valve Boiler 2 Returntemp Valve Boiler 3 Returntemp Valve Boiler 4 Returntemp Valve Seq control HB1 mod vessel HB2 mod vessel HB3 mod vessel HB4 mod vessel HB1 ret temp valve HB2 ret temp valve HB3 ret temp valve HB4 ret temp valve P100013115 A flexotron 800 P100013115A Digital outputs SAUTER Installation and terminal assignment v Description CASE flexotron Display Start stop pump P1A HS1 HS1 Pump A Start HS1 PumpA Start stop pump P1B HS1 HS1 Pump B Start HS1 PumpB Start stop pump P1A
77. rcuit 1 HW1 28 Reference potential for universal inputs Ul 20 AO3 Actuator heating system 2 HS2 27 UI Supply temperature heating system 2 21 AO4 not used 26 Ul2 Return temperature heating system 2 22 AO5 not used 25 Reference potential for universal inputs Ul 24 UIS Room temperature heating system 1 23 Ul4 Room temperature heating system 2 P100013115A 29 125 ws AUTE R flexotron 800 Installation and terminal assignment Factory setting for RDT815 terminal assignment See also terminal assignment diagram 3 6 1 LS Power supply 24 V AC 15 50 60 Hz 1 D RS485 Modbus not with web TCP IP MM or 24V DC o Ip models Earth conductor 3 C E 24V 24 V DC Reference point for digital inputs DI 4 E 42 LS Reference point for digital outputs DO 41 DO1 Start stop pump P1A HS1 40 DO2 Start stop pump P1B HS1 39 DO3 Start stop pump P1 HW1 38 DO4 Sum alarm 9 DI1 Operating mode alarm circulation pump P1A HS1 10 DI2 Operating mode alarm circulation pump P1B HS1 34 Reference potential for analogue inputs Al 11 DI3 Operating mode alarm circulation pump F P1 HW1 33 Al1 Outdoor temperature sensor 12 Dl4 Pressure switch expansion vessel 32 Al2 Supply temperature heating system 1 31 Reference potential for analogue inputs Al 17 Reference potential for analogue outputs F F AO 30 AI3 S
78. rm SAUTER Functions Pulse error If no pulses are received during the set time a pulse error alarm is activated If the time is set to 0 the alarm function is disabled High consumption If the daily consumption is higher than the set value an alarm is triggered Leakage If the lowest hourly consumption on the previous day is higher than the set value an alarm is triggered 6 9 Energy consumption A digital pulse function can be configured for monitoring heating energy consumption The pulse constant can be adjusted 6 9 1 Consumption values The following consumption values are calculated e Daily consumption in kWh today e Daily consumption in kWh yesterday e Daily consumption in kWh the day before yesterday e Total consumption in kWh or MWh This value can be reset 6 9 2 Performance values The heating performance is calculated by measuring the time between energy pulses The following performance values are calculated e Instant value for a certain time span or a certain number of pulses e Average of the above instant values for the past hour Maximum value of the above instant values 6 9 3 Leakage monitoring P100013115 A Once a week the control valves are closed and the energy consumption during a preset time is measured If the energy leakage exceeds a preset value default 3000 W an alarm is triggered The starting time and the duration of leakage monitoring are adjustable The default setting
79. section 9 1 Alarm settings P100013115 A flexotron 800 P100013115 A SAUTER Commissioning Time settings See Section 10 5 Setting the clock and calendar functions Setpoints See Section 10 1 Entering the setpoints for all active control loops Manual automatic See Section 10 3 Description of manual operating mode This is useful for testing the system Other functions See section 12 1 Alarm handling etc 37 125 Ts AUTE R flexotron 800 flexotron 800 ws AUT E R Functions 6 Functions 6 1 Heating control 6 1 1 General information The flexotron 800 can be configured for up to three heating systems HS1 HS2 and HS3 6 1 2 Controllers The heating systems are controlled using PI controllers with an adjustable P band and I time 6 1 3 Control characteristics The controllers have individual control characteristics for the relationship between the supply temperature and the outdoor temperature Each characteristic has 8 schedule start points The factory settings are the Outdoor temperature values 20 15 10 5 0 5 10 15 These outdoor temperature values cannot be changed using the buttons on the flexotron 800 but only using CASE flexotron The corresponding supply temperatures however can be set both on the flexotron 800 and using CASE flexotron 6 1 4 Adjusting the characteristics Room temperature sensors can be used to correct the set control characteristics The aver
80. st be calculated by linear interpolation The supply temperatures at outdoor temperatures below the lowest schedule start point and above the highest schedule start point are calculated by linear extrapolation of the line between the last two start points at each end Example At the bottom end of the characteristic the setpoint increases by 14 C for every 5 C decrease in the outdoor temperature This means that the setpoint at an outdoor temperature of 23 C is as follows 77 3 5 14 85 4 C Only the values for the supply temperature can be changed on the flexotron 800 The outdoor temperatures can be changed using CASE flexotron The heating systems have individual pump stop temperatures for day and night If the outdoor temperature exceeds the set stop temperature the circulation pump switches off and the signal at the valve actuator is set to 0 The pump starts up when the temperature falls below the set cut off temperature by more than the set hysteresis The heating circuit output can 102 125 P100013115A flexotron 800 10 1 2 CS1 SAUTER Settings then be actuated when there is a heat requirement Night time is the time between 24 00 and 05 00 a m As well as the stop temperatures you can also set start and stop delay times see section 9 7 Submenu Room temperature sensor Room temperature setpoint configuration This menu is only available if the room temperature sensor is configured Submenu Return
81. t there is no alarm that indicates that a particular level is activated However this function can be very useful if the unit will be used by trained operators or during commissioning P100013115 A 63 125 Ts AUTE R flexotron 800 flexotron 800 Ts AUT E R Configuration 9 Configuration Log in as Admin See section 8 Press the Down button until the cursor is in front of Configuration then press the Right button The main configuration menu appears 9 1 Alarm settings 9 1 1 Alarm limits Control deviation HS1 HS2 HS3 WSAUTER flexotron 800 Configuration Control deviation CS1 HW1 and HW2 High temperature HW1 and HW2 Low return temperature Boiler temperatures High water consumption High energy consumption Maximum time between pulses flexotron 800 SAUTER 9 1 2 Alarm delay Maximum permitted leakage Control deviation HS1 HS2 HS3 Control deviation CS1 HW1 and HW2 High temperature Low return temperature Configuration S AUT E R flexotron 800 Configuration Boiler temperatures Expansion vessel external alarm 9 2 Inputs and outputs 9 2 1 General information Free configuration Any signal can be connected to any input or output the only restriction being that digital signals cannot be connected to analogue inputs or vice versa It is the user s responsibility to make sure that the activated functio
82. temperature The setpoint for the cooling system can be fixed or weather dependent The current valid setpoint is displayed in the first line If dew point control is activated the current setpoint is shifted if dew point control requires a higher setpoint With a constant setpoint With a weather dependent setpoint tosis SAUTER Settings 104 125 flexotron 800 Press the Right button to go to set the supply temperatures for particular outdoor temperatures when a weather dependent setpoint is selected You can set up to 8 schedule start points The values in between must be calculated by linear interpolation The supply temperatures at outdoor temperatures below the lowest schedule start point and above the highest schedule start point are calculated by linear interpolation of the line between the last two start points at each end Example At the top end of the characteristic the setpoint decreases by 1 C for every 1 C increase in the outdoor temperature This means that the setpoint at an outdoor temperature of 36 C is as follows 9 1 8 C The cooling system has individual pump stop temperatures for day and night If the outdoor temperature falls below the set stop temperature the circulation pump switches off and the signal at the valve actuator is set to 0 The pump starts up when the temperature rises above the set cut off temperature by more than the set hysteresis The heating circuit output can the
83. temperature of Fl 20 15 C The shorter the correction time the lower the correction factor should be If the correction factor is set too high in relation to the time the present correction changes very quickly 9 4 5 Wind compensation The wind compensation factor can be used to compensate the supply temperature setpoint according to the current measured wind speed A wind sensor with a 0 10 V output signal can be connected to an analogue input on the flexotron 800 The input signal is scalable P100013115 A 73 125 WSAUTER Configuration 9 4 6 Optimisation flexotron 800 The optimisation function is used for reaching the set comfort temperature if the comfort period is activated after an ECO increase or reduction For more detailed information see section 6 2 6 Optimisation function Activate or deactivate the function Minimum capacity Set the minimum value of the capacity variables Maximum capacity Set the maximum value of the capacity variables Weather compensating factor Set the effect of the outdoor temperature on the function 74 125 P100013115 A flexotron 800 S AUT E R Configuration 9 4 7 Power limitation The power for HS1 can be restricted by connecting a district heating meter to port 2 In this case the control valve is regulated using two Pl controllers The controller with the lowest output signal controls the valve 9 4 8 Dew point control The
84. upply temperature domestic hot water circuit 1 18 AO1 Actuator heating system 1 HS1 29 Al4 Return temperature heating system 1 19 AO2 Actuator domestic hot water circuit 1 HW1 20 AO3 Not used 30 125 P100013115 A flexotron 800 Y SAUTE R Installation and terminal assignment Factory setting for RDT808 terminal assignment See also terminal assignment diagram 3 6 1 LS Power supply 24 V AC 15 50 60 Hz 1 D RS485 Modbus not with web TCP IP mMm or 24V DC 2 D models Earth conductor 3 C IK 24V 24 V DC Reference point for digital inputs DI 4 E 42 LS Reference point for digital outputs DO 41 DO1 Start stop pump P1A HS1 40 DO2 Start stop pump P1B HS1 34 Reference potential for analogue inputs Al 9 DI1 Operating mode alarm circulation pump P1A HS1 33 Alt Outdoor temperature sensor 10 DI2 Operating mode alarm circulation pump P1B HS1 32 Al2 Supply temperature heating system 1 11 DI3 Notused 17 Reference potential for analogue outputs F o 18 AO1 Actuator heating system 1 HS1 P100013115 A 31 125 SAUTER Installation and terminal assignment Blank wiring diagram for RDT828 flexotron 800 32 125 JLS Power supply 24 V AC or 24 V DC 1 D RS485 Modbus not
85. ured for the following signals e 0 10V DC e 2 10V DC e 10 0V DC e 10 2VDC If the flexotron 800 controller and the connected actuators are supplied by the same transformer the same transformer pole must be used as reference earth for the entire installation If the reference earth is not the same the equipment will not function properly and serious damage may occur Digital outputs Digital outputs should normally be connected to terminal 42 LS Terminal 42 LS is internally connected to LS and supplies 24 V or 24 V depending on the power supply All the digital outputs are Mosfet transistors The outputs are connected internally to LS and are restricted to not more than 2 A per output However the total load for all the digital outputs may not exceed 8 A A number of alternative terminal assignments are possible depending on the relay type and the power supply to the flexotron 800 controller 24 V power supply and 24 V relay 21 125 ws AUTE R flexotron 800 Installation and terminal assignment 24 V power supply and 24 V relay 24 VAC 22 125 P100013115 A flexotron 800 4 2 3 List of inputs and outputs P100013115A SAUTER Installation and terminal assignment Use the lists below during commissioning for a better overview of the required input and output configurations The left column contains a description of the input or output signal the middle column shows the na
86. ustable P band and l time If there is a heat requirement the vessels are regulated sequentially at 0 10V and each time they are switched on or off the controller is blocked for the set time see the figure below Power controller l i Boiler 1 i Boiler 2 Boiler 3 Boiler 4 outputsignal P100013115 A 49 125 ws AUTE R flexotron 800 Functions 6 6 3 Setpoint The setpoint for boiler control can be configured with one of the following alternatives e Constant setpoint adjustable fixed setpoint e Control loop setpoint The control loop setpoint can be configured with one of the following alternatives e HS dependent e HS and HW dependent e HS and HWP dependent e HS HW and HWP dependent When configuring the control loop setpoint the boiler control setpoint depends on the setpoints for the other circuits The highest of the setpoints for the other circuits plus an offset preset to 5 degrees then becomes the boiler setpoint Weather dependent setpoint the setpoint varies according to the outdoor temperature 6 6 4 Minimum running time and stop time The minimum running time and stop time can be individually set for each boiler If the heat requirement increases the next boiler cannot start until the previous boiler has been running for a set minimum time If the heat requirement decreases a boiler is not switched off until it has been running for a set minimum time A boiler that has been stopped c
87. ut If the access level is Operator Service or Admin the user is automatically logged out and returned to Basic level after a period of inactivity The time can be set in increments of 5 seconds Default 60 units 5 minutes The automatic logout function can be disabled see section 8 5 P100013115 A 99 125 Ts AUTE R flexotron 800 flexotron 800 10 Settings SAUTER Settings If you select one of the various controller systems four submenus are displayed with the exception of the additional control loop and HP where only two submenus Actual setpoint and Manual auto are available The systems that you can then access depend on which inputs and outputs are configured For more detailed information on access rights and configuration see sections 8 and 9 Submenus Actual setpoint For configuring the setpoints and gradient of the characteristics and for reading the current temperature Temperature control For setting the control parameters Manual auto For manually setting the pump and valves or for reading the current signals ECO comfort For setting periods during which comfort heating and comfort cooling are required 101 125 ws AUT E R flexotron 800 Settings 10 1 Actual value setpoint 10 1 1 HS1 HS2 and HS3 Submenu Here you can set the supply temperature for a particular outdoor temperature You can set 8 schedule start points for each system The values in between mu
88. voltage 24 V AC or 24 V DC D RS485 Modbus not in WEB TCP IP mm 15 50 60 Hz 2 D models Protective earth 3 C IF 24V 24 V DC Reference for digital inputs DI 4 E 42 LS Reference for digital outputs DO 41 DO1 40 DO2 3 34 E Reference pole for analogue inputs Al 9 DI1 33 Al1 10 DI2 32 Al2 11 DI3 17 E Reference pole for analogue outputs AO 18 AO1 P100013115 A 33 125 Ts AUTE R flexotron 800 flexotron 800 ws AUT E R Commissioning 5 Commissioning General information The flexotron 800 controller must be configured before use The inputs and outputs must be assigned and all important parameters must be set All commissioning can be done either using the flexotron 800 controller display or an external RDB800 display unit CASE flexotron However the best method is to configure the controller using CASE flexotron CASE flexotron is a PC configuration program specially developed to simplify commissioning of the flexotron 800 series Using CASE flexotron the entire configuration and all settings can be prepared on the computer and then loaded to the controller Any number or configurations can be saved on the computer for later use A communication cable is required in order to configure flexotron 800 with CASE flexotron Before it is configured the flexotron 800 controller must be connected to the power supply and the application program selected 5 1 Step by step guid
89. y and secondary return temperature limits The primary return temperature may not be more than 3 degrees adjustable higher than the secondary return temperature If the difference exceeds the set value the valve control signal is overridden in order to close the valve and thus reduce the flow This lowers the return temperature Inputs and outputs Al Return temperature HS1 and or HS2 Al Primary heating return temperature 6 1 6 Priority of heating over hot water It is possible to give the heating circuits priority over the hot water circuits by activating the corresponding function If one of the heating circuits is a certain adjustable number of degrees below the setpoint for an adjustable period of time the actuators of the hot water circuits are forced to close 40 125 P100013115 A flexotron 800 6 1 7 Pump control 6 1 8 Frost protection SAUTER Functions Each circuit can be equipped with single or twin pumps With twin pumps only one of the pumps is operated at a time They automatically switch over once a week If the active pump fails the inactive pump is automatically started up Pumps can be configured to stop according to the outdoor temperature and individual pump start and stop delays can be configured The pumps are moved for 5 minutes every day at 3 p m If a controller is in Off or Manual mode and the outdoor temperature falls below a set value an adjustable minimum supply temperature is maintained

SAUTER flexotron®800 heating

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SAUTER flexotron&reg;800 heating

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SAUTER flexotron®800 heating