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SAUTER flexotron®400 - RDT410 

 

Installation and wiring 

 

 

P100012103 

 

12 

For more power an external transformer must be used. Wire the transformer 
according to the following figure. The two 500 mA fuses are important to prevent 
possible overloading of the triacs. 
 

 

Содержание RDT410

Страница 1: ...SAUTER flexotron 400 RDT410 Manual P100012103 ...

Страница 2: ...n in this document is subject to change without prior notification The software described in this document is supplied under license and may be used or copied only in accordance with the terms of the license 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 SAUTER TRADEMARKS flexotron is a r...

Страница 3: ...nstallation 9 4 2 Wiring 9 5 Control modes 13 5 1 Control modes 1 2 and 3 13 6 Display and encoder 21 6 1 The Basic level 21 6 2 The 3 second level 22 6 3 The 10 second level 22 6 4 Display symbols 22 7 Setpoint 23 8 Alarm handling 24 9 Clock and scheduler 25 9 1 Real time clock 25 9 2 Scheduler general 25 9 3 Scheduler control modes 1 2 and 3 25 10 Configuration 28 10 1 Storage of settings 34 10 ...

Страница 4: ...always follow the safety regulations in the documentation to prevent risk of fire electric shock and personal injury More information More information on RDT410 can be found in RDT410 Guidelines for the technician flexotron 400 Sales brochure RDT410 product data sheet The information is available for download from homepage http www sauter controls com de ...

Страница 5: ...vice for control mode 1 Temperature control The RDT410 has 10 inputs outputs and can be configured to control Temperature ventilation control with heating and cooling Water heated radiator heating with outdoor temperature dependent control curve or Domestic hot water control There is a new analogue input for connection of an external Ni1000 setpoint device for control modes 1 4 The RDT410 is avail...

Страница 6: ...puts 3 digital outputs 2 analogue outputs 0 10 V DC Control modes The RDT410 is pre programmed with a choice of 5 different control modes Supply air control Outdoor temperature compensated supply air control Cascade connected room extract air temperature control Radiator circuit control Domestic hot water control Internal clock The RDT410 has a built in week base real time clock with a number of d...

Страница 7: ...s according to IEC 721 3 1 Class 1k3 Ambient temperature 20 70 C Ambient humidity Max 95 RH Terminals Disconnectable lift type for cable cross section 1 5 mm 2 Protection class IP20 when fitted Material casing Polycarbonate ABS PC ABS Colour Cover yellow Bottom part black Weight RDT410F301 449 g RDT41F201 333 g incl terminals Dimensions 122 7 modules x 121 x 64 mm WxHxD incl terminals LVD Low Volt...

Страница 8: ...C 10 80 C 0 40 C 21 C 21 C 55 C P band 0 99 C 15 C I time 0 990 s 60 s D factor 0 99 0 Cascade factor 0 99 2 Minimum at cascade 0 99 C 15 Maximum at cascade 0 99 C 25 Damper minimum limit 0 99 10 Start of outdoor compensation 30 50 C 10 C Outdoor compensation at 20 C outdoor temp 10 10 C 5 C Supply temperature water heated radiator heating at 20 C outdoor temperature at 20 C outdoor temperature 0 ...

Страница 9: ...ere it can be used without risk of electric shock The casing should provide at least 6 mm insulation from connected cables and terminals 1 3 and 10 12 The RDT410 should be protected against overload by a fuse in the installation Since the maximum load is 1000 VA a fuse of 6 A is suitable Circuit breaker and fuse The controller should be connected to a circuit breaker so the power supply to the con...

Страница 10: ...ference for AI2 9 AI2 Ni1000 temp Sensor input 10 SPI Input Ni1000 setpoint device 11 AO2 0 10 V output 12 AO1 0 10 V output 13 Reference for AO1 and AO2 14 DO2 Digital output 15 DO1 Digital output 16 GDO Reference for DO1 and DO2 17 NC DO3 Relay 230 V 5 A 18 NO 19 COM 4 2 1 Supply voltage RDT410F301 230 V 10 15 50 60 Hz 6 VA RDT410F201 24 V 15 50 60 Hz 6 VA If the RDT410 24V supply model only and...

Страница 11: ...ut then has a range of 0 84 C UI must refer to UI on terminal 4 Analogue outputs Analogue outputs must refer to a ground terminal or directly to G0 If the RDT410 24V supply model only and actuators connected to it share transformer it is essential that the same transformer pole is used as reference for all the equipment Failure to do so will prevent the equipment from functioning as intended and m...

Страница 12: ...0 Installation and wiring P100012103 12 For more power an external transformer must be used Wire the transformer according to the following figure The two 500 mA fuses are important to prevent possible overloading of the triacs ...

Страница 13: ...ing on the room temperature A cascade controller with a room temperature and supply air temperature sensor is used The supply air temperature is minimum and maximum limited 4 Radiator circuit control with outdoor curve The water temperature setpoint is changed according to the outdoor temperature A single PI control loop is used A room temperature sensor can be added to give corrective action if t...

Страница 14: ...ollowing combinations AO1 AO2 1 Heating 2 Cooling 3 Heating Cooling 4 Heating Heating 5 Cooling Cooling 6 Heating Dampers 7 Cooling Dampers In alternative 4 Heating Heating AO2 will be activated first on increasing heat demand In alternative 5 Cooling Cooling AO2 will be activated first on increasing cooling cemand In alternative 6 Heating Damper at temperatures above the setpoint the damper on AO...

Страница 15: ...limit when using electric heating Drawn with high temp limit activated It is important that the high temperature thermostat is hardwired to disconnect the power to the heater to ensure that the heating is shut down when the thermostat is activated even if the controller RDT410 should be faulty Water heating When controlling a water heater UI1 can when necessary be used for a frost protection senso...

Страница 16: ... minimum limit value to the damper output signal The damper output will then not go lower than the set value during normal operation On shut down however the signal will go to zero In the output mode heating damper the damper will be fully open for temperatures higher than the setpoint On increasing heat demand the damper will first close to the minimum value before the heating output starts to in...

Страница 17: ...iring A RDT410 with electric heating and damper Cascade control B RDT410 with water heating 3 point output Supply air temperature control with outdoor compensation and external setpoint device The RDT410F301 generates 24V AC itself for control of 3 point actuators 230 V actuators cannot be used without relays ...

Страница 18: ...ure curve The basic control curve is a straight line between the two setpoints SPL and SPH where SPL is the supply temperature to be held when the outdoor temperature is 20 C and SPH is the temperature to be held at an outdoor temperature of 20 C An extra temperature boost can be added at 0 C outdoor temperature The boost receeds from the set value to 0 over 3 degrees In the Setpoint menu a parall...

Страница 19: ...10 DO3 Pump control The pump control output is activated when the temperature control output signal is greater than zero or the outdoor temperature is below 15 C It is deactivated when the output signal is zero and the outdoor temperature is greater than 15 C There is a 10 minute stop delay There is a pump exercise function which will start the pump at 15 00 3 pm every day and let it run for 5 min...

Страница 20: ...upply water temperature on AI1 Periodic overheating To reduce the risk of Legionella bacteria growth a periodic overheating of the water can be configured The water temperature will be raised to 65 C once daily at 03 00 3 am The elevated temperature is maintained for 10 minutes The function can be deactivated Wiring example RDT 410 with 0 10V actuator ...

Страница 21: ... when there is no operator activity It shows the current time and the actual value of the main parameter There are bar graphs showing the current output levels together with symbols showing how the outputs have been configured Heating Cooling or damper etc Also a symbol showing which of the five control modes is configured and an alarm symbol that is displayed in the event of an alarm condition Th...

Страница 22: ...n room control with outdoor curve 6 2 The 3 second level This level is reached from the Base display by clicking and holding the encoder button for 3 seconds The 3 second level holds all menus for setting the clock and the scheduler program See chapter 9 Clock and Scheduler 6 3 The 10 second level This level is reached from the Base display by clicking and holding the encoder button for 10 seconds...

Страница 23: ...gain a symbol will start to blink indicating that an external setpoint device is being used and that the setpoint cannot be changed via the display External setpoint can be used for control modes 1 4 The SPI input can also be read via the I O menu Control mode 4 Radiator circuit control If no room sensor is configured the setpoint menu is used to add a parallel displacement to the outdoor curve Th...

Страница 24: ...d delay AL4 Sensor error A sensor input is open circuit A symbol shows which type of alarm it is Snowflake for frost protection sun for high temperature limit switch a fan for fan indicator and the input symbol for sensor error If there are multiple alarms twist the knob to scroll through them To acknowledge an alarm click the knob to enter change mode Then twist it to change No to Yes and click t...

Страница 25: ...of mechanical timer that has a rotating disk where you can pull out knobs that on passing the switch kan turn it ON or OFF There are 4 ON points and 4 OFF points Each point has its own menupage where 0 1 0 3 0 5 and 0 7 are ON points and 0 2 0 4 0 6 and 0 8 are OFF points Control modes 1 2 and 3 have the same type of scheduler where the ON points will start the unit and the OFF points will shut it...

Страница 26: ... off menus you can create 4 different economy periods either for single days or for a group of days The day of the week number can be set to any value 1 to 9 or for unused menus Numbers 1 to 7 represent the days of the week Monday to Sunday Number 8 will apply the set time every day Monday through Friday and number 9 will apply the set time all 7 days of the week In this application you need to re...

Страница 27: ...ble Menu 0 9 Setback After the eight switching point menus there is a ninth 0 9 In this menu you set the number of degrees you wish to lower the room temperature setpoint during the economy periods If no room sensor is connected the supply water setpoint will be lowered by 3 times the set value Menu OK After the scheduler menus there is a final menu OK A klick on the encoder knob will exit the Clo...

Страница 28: ... the first digit in the menu number show which control mode is at hand Menus X 1 Output type control modes 1 2 3 and 4 where X depends on your choice of alternative above For control modes 1 2 3 and 4 you can instead of the 0 10 V analogue output choose to use two digital outputs to control a 3 point increase decrease actuator In this case DO1 will always be increase open valve and DO2 decrease cl...

Страница 29: ...utput on AO1 starts to increase If you have chosen 3 point output in the preceeding menu you will only be able to choose alternatives 1 or 2 with a single output signal For each alternative the number representing it is shown along with a graphic symbolisation of the output signal and also a symbol next to the bar graph for each output Control mode 3 menu 2 Output alternativ e 3 Heating Cooling AO...

Страница 30: ...de 4 D factor control mode 5 Damper minimum position If you in menu X 2 have configured output AO2 to be a damper alternative 6 or 7 you can set a minimum value to the damper signal The damper output will then not go lower than the set value during normal operation On shut down however the signal will go to zero and fully close the damper P band room temperature influence For control mode 3 there ...

Страница 31: ...rol modes 1 2 3 Pump exercise Control mode 4 Periodic overheating Control mode 5 Input UI1 For control modes 1 2 and 3 you can choose to configure the universal input UI1 as either an analogue input for a frost protection sensor on either output snowflake symbol in a water heated system or as a digital input for a high temperature limiting switch sun symbol in an electric heater It can also be set...

Страница 32: ...red Default is On Menus X 8 Startpoint for outdoor compensation S P Control mode 2 Supply air min limit Control mode 3 Low temperature setpoint Control mode 4 For control mode 2 S P is the outdoor temperature at which the setpoint compensation starts At temperatures lower than S P a compensation will be added to the setpoint value The maximum compensation is set in menu 2 9 and is achieved at 20 C...

Страница 33: ...imum supply air temperature For control mode 4 you need to establish a relationship between outdoor temperature and supply water temperature This is set by the two setpoints SPL and SPH where SPL is the water temperature to be held at an outdoor temperature of 20 C and SPH is the water temperature to be held at 20 C Intermediate values are calculated with linear interpolation In this menu you set ...

Страница 34: ... they are entered by clicking the encoder knob They are however not written to the flash memory until you exit the configuration level either via the OK menu or via the time out function To exit the configuration level without saving the changes to flash memory cut the supply voltage when still in the configuration level All values will be kept as they were before you entered the configuration lev...

Страница 35: ...d encoder 21 Domestic hot water overheating 32 E EMC 7 Extended running 16 F Factory settings reset to 34 Fan indication 16 I Inputs and outputs 6 11 Analogue inputs 11 Analogue outputs 11 Digital inputs 11 Universal inputs 11 Installation 9 L LVD 7 M Menu Configuration 28 I O 21 33 OK 26 27 34 Setback 27 Setpoint 21 23 X E 33 Mounting 5 O Outdoor compensation 16 Overheating 32 Override 26 P Pump ...

Страница 36: ...0012103 36 V W Wiring 9 Wiring diagram Control mode 4 19 Control mode 5 20 general 10 Printed in Switzerland 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 sauter controls com ...

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