IV.j) Room Regulator Temperature
Contents
1. User s Manual ST 430 Valve Controller WWW TECH REG COM ST 430 user s manual TA Declaration of Conformity No 33 2010 Hereby we declare under sole responsibility that the ST 430 230V 50Hz thermoregulator manufactured by TECH ul St Batorego 14 34 120 Andrych w is compliant with the Regulation by the Ministry of Economy Journal of Laws Dz U 03 49 414 of 12 March 2003 implementing provisions of the Low Voltage Directive LVD 2006 95 EC and the Regulation by the Ministry of Infrastructure Journal of Laws Dz U 03 90 848 of 2 April 2003 implementing provisions of the Directive 2004 108 EC The ST 430 controller has been tested for electromagnetic compatibility EMC with optimal loads applied For compliance assessment harmonized standards were used PN EN 60730 2 1 2002 Pawet Jura Janusz Master ATTENTION HicH vorrAcE Make sure the regulator is disconnected from the mains before working on the power supply cable connections device installation etc All connection works must only be carried out by qualified electricians Before activating the controller measure the motor resetting efficiency and inspect wire insulation THE DEVICE MAY BE DAMAGED IF STRUCK BY A LIGHTNING MAKE SURE IT IS UNPLUGGED DURING STORMS ys I Intended Use The ST 430 thermoregulator is intended to operate a three or four way mixing valve with an option of connecting an ad2. Valve Type With this function you can specify the type of your controlled valve from among the following C H to be set when the central heating temperature is to be regulated FLOOR to be set when the floor heating temperature is to be regulated The floor type is intended to protect the floor heating system from dangerous temperatures Fragile as it is the floor system may be damaged if the valve type is specified as C H and the valve is connected to the floor heating system IV e Operation Mode With this function you can select an operation mode from among the following STANDARD the controller maintains the setpoint temperature of the 10 valve outlet ROOM REGULATION the controller maintains the setpoint temperature of the valve until the room regulator sends a signal to reheat the room Then the ROOM REGULATOR TEMPERATURE becomes the setpoint temperature fitter s menu The lower temperature is not displayed on the main screen however the valve ignores the main setpoint temperature and maintains the reheating temperature of the room regulator The room reheating signal from the room regulator is indicated by the room regulator symbol WEATHER CONTROL the setpoint temperature of the valve depends on the outdoor temperature It is calculated based on parameters saved in the WEATHER CHARACTERISTIC field ROOM AND WEATHER CONTROL In this mode if the room controller does not reach the set temperature th
3. may use this parameter to change the opening direction LEFT RIGHT IV n Pumps Anti stop When this option is activated the pump of the valve will activate every 10 days for 2 minutes This prevents the water to stand still in the installation out of the heating period IV o Maximum Floor Heating Temperature This is the maximum temperature that will not damage the floor system This temperature setting is used when the valve is set to the floor heating mode Once the maximum temperature is reached the valve is closed and an alarm is sounded to notify the user IV p Weather Characteristic With this parameter you can set the setpoint temperature for the valve for different outdoor temperature conditions Such fixed values are used to calculate values for intermediate points TEMP FOR 20 TEMP FOR 0 TEMP FOR 20 13 ST 430 user s manual Heating curve is a curve according to which the controller s setpoint temperature is defined based on the external temperature In our controllers the heating curve is constructed based on three values of setpoint temperatures for given external temperatures The setpoint temperatures must be determined for external temperatures of 209C 09C and 209C The more points are used to construct the curve the better accuracy and flexibility of shaping the curve In this case three values seem to be a good compromise between accuracy and simplicity of determining the course of the cu
4. Before and during the heating season the ST 430 controller should be checked for condition of its cables You should also check if the controller is properly mounted and clean it if dusty or dirty Technical Data Temperature adjustment range 8 C 90 C Supply voltage 230V 50Hz 10 Power consumption Max 2W Sensor temperature resistance 25 C 100 C Ambient temperature 10 C 50 C Load on each output 0 5A Fuse insert 1 6A 16 VI Assembly ATTENTION all assembly works must only be carried out by qualified persons During assembly the device must be disconnected make sure the power cord is unplugged Wire connections Qc a e o eS La 9 a FUSE 1 6A a2 m6 128 Sm zt t n i g eS Valve Pump Power i ce L1 L2 N L NIPE PEPEL N Installation Diagram WEATHER DARREN SENSOR OUTDOOR z S VALVE H 3 SENSOR I I l l HEATED SYSTEM l I V XK ROOM REGULATOR DN MIXING EE VALVE 20 TOL 0000 App PUMP gt FOR SHORT BOILER CIRCUIT ini sans sx ALEE II EEEE ERE RETURN SENSOR 17 ST 430 user s manual 18 Table of Contents L Intended WSC drei Pu E etui Ne vert toot ta a Wero Dua 5 IT Principle OF ODGrabiOn a caedis mod om qaos anti xded Dag duse kdo Ga duse ac 5 II d Main Page epe aa er tmiecee prO Ee EbU op EradexEute
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6. ccceeee esses seen ee eeseaaeeeaes 12 IV D Minimum Opening feces aes oat acre beers ee Racal tal sh OE esate m 13 IV m Opening DIFECUOM isso sess os ce winesiabacedeedsesbocaeeeeens snes pA UA IE 13 IM A Purnp oAnDt sbODusaodso cairn sia tama occi tti rae TRIS Seca eee EDI 13 IV o Maximum floor heating temperature seseess 13 IV p Weather Characteristic esses nnnm 13 ELI V Standby MOGB scscxupE xar REREaUENDUSSERISENSERRRIQRSAKSRRRC NKNDDARAR ARRRRES 14 VI PROCECHIONS viccosandcincntdaneticcatsabinammensearampoowacimaiueaneecasennaee 14 VIIL Maintena NCE PC 15 VI ASSQIDIVissedutc ero nsus nosiniai in a avis E a raa Hs cats 15 e We are committed to protecting the environment Manufacturing electronic devices imposes an obligation of providing for environmentally safe disposal of used electronic components and devices Hence we have been entered into a register kept by the Inspection For Environmental Protection The crossed out bin symbol on a product means that the product may not be disposed of to household waste containers Recycling of wastes helps to protect the environment The user is obliged to transfer their used equipment to a collection point where all electric and electronic components will be recycled 19 User s Manual ST 430 All faults should be reported to TECH Sp j 34 120 Andrych w ul St Batorego 14 tel 33 8705105 33 8759380 fax 033 870 47 00 poczt
7. ditional valve pump The controller features a floor heating control function and can be connected to a room temperature regulator The additional functionality of return temperature protection serves to prevent water from boiling in the short boiler circuit and from becoming too cold when returning to the boiler II Principle of Operation Description of the control panel SETPOINT Valve Controller ST 430 TEMPERATURE SS M Ic a e OF OPENING MANUAL MODE TEMPERATURE DOWNSTREAM OF VALVE SEE STATUS A DEVICE ACTIVATED STANDBY MODE EXIT ENCODER By principle the valve is intended to mix hot circulation water supplied with water that returns from the heating circuit in order to 5 ST 430 user s manual obtain and maintain the desired temperature In circuits other than based on gravity circulation water is distributed with pumps connected to each valve The pump should be mounted downstream of the mixing valve whereas the temperature sensor should be mounted downstream of both the valve and the pump so as to be able to precisely monitor the temperature at the valve outlet CAUTION if the controller of the valve is operating simultaneously in a common circulation with the controller of the boiler the pump has to be connected with the controller of the boiler pump exit of ST 430 controller will remain unused The device
8. e valve is operating exactly in the same manner as in weather control mode in accordance with WEATHER CHAR parameter When the room temperature reaches the set value the valve will switch to operation in accordance with room control mode with room temperature on the set level While this mode is active the symbols of weather control and room control are pulsating on the display After the set temperature has been reached the symbol of room control with room temperature on the set level is shown on the display IV f Summer Mode In this mode the regulator closes the central heating valve to prevent the house from being heated when it is not required In case the boiler temperature is too high return protection needs to be enabled the valve is opened The mode is disabled for the floor heating valve control dos ST 430 user s manua IV g Opening Time This parameter is used to define time required by the valve actuator to open the valve from 0 to 100 This time is to be set depending on the valve actuator used specified on the name plate IV h Measurement Pause This parameter determines the sampling checking frequency for water temperature downstream of the valve i e the sensitivity of the valve If a temperature change deviation from the setpoint value is detected the solenoid valve will be opened or closed by a defined amount so that the setpoint temperature is reached The higher the parameter the highe
9. erature regulation mode although the room temperature is insufficient he the controller is in the weather regulation mode II b Indication LEDs To the right of the display three indication LEDs are located showing the status of the actuators The first LED is used to indicate the manual mode and it is on when the mode is active If it flashes the valve calibration has not been finished yet In such case wait for the LED to stop flashing or alternatively close the valve thus desynchronizing it The second LED is used to indicate activation of the pump The LED stays lit when the pump is running The LED starts flashing when the valve enters the calibration mode and the pump is enabled with the menu During the calibration the pump is stopped so that there is no temperature change in the system The pump is restarted when the calibration process is finished ST 430 user s manual The third LED is used to indicate activation of the valve run III Main Menu III a Setpoint Temperature With this option you can set the setpoint temperature that is to be maintained by the valve Typically the valve sensor temperature is intended to approach the setpoint temperature defined for the valve III b Enabled With this option you can enable the mixing valve If the option is disabled the adjacent box is empty Disabling the valve will stop the pump Even with the valve being disabled energizing the controller is fo
10. estore the controller to operation When an alarm is active the manual mode is available although you should make sure your operations will not cause damage The controller features the following alarm protections 1 Temperature alarm to disable the temperature control in the valve and set the valve to its safe position i e the floor valve is closed and the central heating valve is open 2 VALVE SENSOR alarm to indicate that the valve sensor is misconnected disconnected or faulty The sensor is key to the proper 15 ST 430 user s manual operation of the valve Therefore if faulty it should be changed as soon as possible 3 RETURN SENSOR alarm to warn the user when the return protection function is enabled and the return sensor is faulty The return sensor must then be repaired or changed The alarm can be disabled by disabling the return protection function However this may lead to a serious damage of the boiler or the system if the boiler has no anti boil protection 4 WEATHER SENSOR alarm to warn the user that the outdoor temperature sensor is faulty The alarm can be cancelled if an undamaged sensor is properly fitted The alarm is not triggered for any operating mode other than the weather control mode The regulator has a network protection WT 1 6A tube fuse ATTENTION it is not advisable to use fuses with higher current ratings Higher current ratings may cause damage to the controller V Maintenance
11. is controlled with an encoder knob By pressing the knob you can enter a menu or confirm settings By turning the knob you can navigate in menu functions To go to a higher menu level use the Exit button All settings are changed in the same manner II a Main Page During normal operation the graphic display shows the Main Page containing the following temperature downstream of the valve setpoint temperature valve opening in 9 0 device status By turning the encoder you can easily change the setpoint temperature Press the encoder knob to go to the Main Menu You can switch the Main Page to display the temperature at the sensors by pressing and holding for several seconds the EXIT button Then when the Sensor Temperature function is enabled the Main Page will display valve return and outdoor temperatures To the right of the display a Device Status icon is located which 6 depending on the symbol provides the following information on the device BE the valve is disabled with the menu the valve is enabled with the menu gt flashing the valve is enabled but the controller is currently in the return protection mode P4 the controller is calibrating the valve during this period the pump is stopped to disable water circulation as its temperature is not monitored during calibration 1 the controller is in the room temperature regulation mode flashing the controller is in the room temp
12. llowed by calibration This is to prevent the valve from being left in a position that is unsafe for the circuit III c Valve Calibration With this function you can set the initial position of the valve During calibration the valve is set to its safe position i e fully opened in case of the central heating valve and closed in case of the floor heating valve III d Screen selection This function allows the user to switch the screen appearance main page appearance between two options valve view and temperature of sensors view If the temperature of sensors view is chosen the display will show the temperature of the valve the return and the external temperature If the valve view is chosen the main page will present current and set temperatures of the valve and the percentage of valve gap abatement III e Manual Mode When the Manua Mode option is selected you can manually control the percentage of valve opening as well as start or stop the pump III f Language choice The user can choose the language version of the controller III g Factory Settings The regulator has been pre configured However it should be adjusted to your individual needs It is possible to return to the factory settings at any time By enabling factory settings all user defined settings will be replaced by settings made by the manufacturer From then on you can again set your own operating parameters IV Fitter s Menu IV a Pump E
13. nabled With this parameter you specify whether the pump is to run when the valve is in operation IV b Return Protection The function serves to protect water from boiling in the short boiler circuit and from becoming too cool when returning from the main circuit and so causing low temperature corrosion in the boiler When the temperature in the short boiler circuit is too high the return protection opens the valve and starts to distribute water in the circuit in order to maintain a safe temperature and protect the boiler from possible damage The return temperature protection is disabled when the valve is set to the floor heating mode as it could damage fragile floor pipes If the 9 ST 430 user s manual temperature is too low the valve is closed until the appropriate temperature is reached in the short boiler circuit Protection parameters are adjusted in the RETURN PROTECTION SETTINGS menu IV c Return Protection Settings In this submenu the following return protection parameters are set MINIMUM TEMP minimum temperature in the short boiler circuit to be maintained before the valve is opened MAXIMUM TEMP maximum temperature permitted in the short boiler circuit STOP PUMP with this option enabled the pump is stopped when the return sensor temperature is lower than the minimum temperature and the valve is closed This option can be of use if you do not want the pump to run when the boiler is damped IV d
14. ne dup eH PUT er Dope 6 H D Indication LEDS eue rto irte eiwsriaien Pass tbt AEA 7 IIT Mali Mensis rrai caaea a e ia R E RUE a VEREA 8 III a Setpoint Temperature ucceced etra eu vo ee ein pape rk Ex E 8 MIb Enabled ac eor teats ado docu adde nua dios Ue aces metuens aper dns aeta 8 IH c Valve Calibrations ier eer extet screens FR FR Ee teen eode tases 8 ITI dy Screen selection iieiaeie Rates Ciena edna UNE RE aus 9 Heej Manual Moder ccs ossa one iaeei aea EE Esau x deseedbaseucesten mentees Um uud 9 IH sf Language Choices ecce trinus ee me Een eve aad e ex an eee 9 III 0 Factory SELLING Sins ed oud cedars roc oy peat seed AG eae ond 9 IV RIGer SHEN seers Gd Ce eel orks seta de toes kar eee yoked 9 IV a PUMP Enabled o rn rien reo tiae rH ERE REDDAM 9 IV DY Return PFOUGCUIO oc busbokac YaitesRe aO rs oes tiewenad US RU Eu SUE 9 IV c Return Protection SettingS cccceecseeeeeeeeseeeeeeeeseeeeeeenes 10 IV d Valve TY DC i ied our abe eek eue ee EEUU ORE SED PUE 10 IV e Operating Mod eed heise taut bite Cure Dec odo done qs ddut 10 IV T Surmmer MOGGQ cadere Sp ERE NSPNPRPS REDI E RUN REP MEIFINRCDND veces 11 IV sq Opening Dei esiisa cota c qeu t e Boo rone Ge cH 12 IV h Measurement Pause eeeesene nenne nnne 12 IM D RASC ISL OK Chex aioe aes ea uve cu Te ep uU tuer I TM 12 IV j Room Regulator Temperature eceeseeeeeeeeeese 12 IV k Proportionality Coefficient cccccc
15. r the inertia of the temperature IV i Maximum Stroke This parameter defines the maximum value of a single valve stroke for opening or closing during temperature sampling If the temperature is close to the setpoint value the stroke is calculated based on the PROPORTIONALITY COEFFICIENT parameter The smaller the single stroke the higher the precision of obtaining the setpoint temperature although the setpoint value is maintained longer IV j Room Regulator Temperature With this function you can determine the temperature to be maintained by the valve if the OPERATION MODE is set to ROOM REGULATION and the room regulator requests reheating IV k Proportionality Coefficient The proportionality coefficient is used to define the stroke of the valve The closer is the temperature to the setpoint value the smaller is the stroke When the coefficient is high the valve opens to a position close to the required one quickly but with lesser precision The percent 12 of opening in a single cycle is calculated based on the following formula SETPOINT TEMP SENSOR TEMP PROPORTIONALITY COEFF 10 IV I Minimum Opening With this parameter it is possible to specify the minimum opening for the valve It allows you to set an opening small enough to maintain the weakest flow IV m Opening Direction If it turns out that the valve has been connected to the controller reversely it is not necessary to reconnect it Instead you
16. rve x c pallid mien tater oir F K ee eee ee ee ew ew aw dw oye ee ee ee eS x x Setpoint temperature Xa Xs Xo External temperature Where in our controller Xa 209C Xs 0 C Xc 200C Ya Ys Yc setpoint temperatures for external temperatures Xa Xs Xc O increasing the setpoint temperature Increasing decreasing the setpoint temperature consists in increasing decreasing the current setpoint temperature as seen on the main page Such change is automatically followed by an offset of the heating curve by the value being changed The offset consists in parameters Ya Ys Yc being added with the temperature change O 14 Below shown are formulae for calculating the current setpoint temperature Y Y if X X 2Y Y x x X BX 4 A Yo Y if XzX Y Y t if B B Xc X X X Where X current external temperature Y calculated setpoint temperature The third LED indicates that the valve is in operation moving V Standby Mode When the Standby Mode button is pressed on the control panel all actuators within the system are disabled The button is used when all actuators need to be immediately disabled VI Protections In order to ensure a safe and faultless operation the regulator has been provided with numerous protections In the case of an alarm an acoustic warning is sounded and the display shows an appropriate message Press the encoder to r
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