manual for the steering st-402 solar
Contents
1. o E 35 Y 35 il ADDITIONAL Voltage free relay output to the boiler COLLECTOR SENSOR STORAGE SENSOR IV c 3 Heater The heater is used to electrically heat the tank The principle behind its operation is similar to one described in the previous case although the heater is to be connected with an additional contactor Set the activation delta the difference between the setpoint temperature and actual temperature of the storage below which the controller will start the heater Then define a period in which the heating function will be active using the From Hour and Until Hour functions 2 R E mim mJ NSOR STORAGE COLLECTORS SENS SE device ADDITIONAL SENSOR 1 ADDITIONAL SENSOR 2 Additional Power supply COLLECTOR SENSOR CONTACTOR 230V 5 TORAGE SENSOR 230v PE io IV d Installation Diagram For the solar system to work properly it is essential to determine the right installation diagram SERVICE MENU gt INSTALLATION DIAGRAM and to properly adjust the selected configuration SERVICE MENU gt INSTALLATION OPTIONS ATTENTION When selecting the installation diagram the numbers of sensors are displayed in place of their temperature values Sensors must be connected in the following order starting from the left 1 collector sensor 2 storage sensor 3 additional sensor 1 4 additional sensor 2 aio ST 402 USER S2. Once the pump is shut off after the setpoint temperature has been reached it will be restarted if the temperature drops below the setpoint value by the value of tank hysteresis the hysteresis value is set with SERVICE MENU gt Accumulation Tank gt Storage Hysteresis 2 Collector Defrosting With this function you can manually start the collector pump in order to melt snow built up on the solar panels The mode remains active for a period defined by the user Then the controller returns to By ae ST 402 USER S MANUAL gt the automatic mode the defrosting time is set with SERVICE MENU gt Solar Collector gt Defrosting Time The function can be deactivated manually by selecting another operation mode 3 Holiday Mode When the holiday mode is enabled during daytime hours from 6 a m until 10 p m the pump runs as in the automatic mode whereas during night hours from 10 p m until 6 a m the pump is started only if the collector temperature is lower than the tank temperature so that the tank can be cooled ATTENTION gt You can change the daytime cycle and night cycle activation hour using the DAY FROM and NIGHT FROM settings lt 4 Manual Mode In this function the user can enable or disable by pressing the encoder knob the following solar pump second solar pump or switching valve optional device voltage free signal e g for firing up of a pellet boiler lll c Clock
3. USER S MANUAL 51 402 ST 402 USER S MANUAL Declaration of Conformity No 35 2010 Hereby we declare under sole responsibility that the ST 402 230V 50Hz thermoregulator manufactured by TECH ul St Batorego 14 34 120 Andrychow is compliant with the Regulation by the Ministry of Economy Journal of Laws Dz U 155 Item 1089 of July 21 2007 implementing provisions of the Low Voltage Directive LVD 2006 95 EC of January 16 2007 The ST 402 controller has been tested for electromagnetic compatibility EMC with optimal loads applied For compliance assessment harmonized standards were used PN EN 60730 2 9 2006 Pawet Jura Janusz Master ATTENTION High voltage 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 i Intended Use The ST 402 thermoregulator is intended for use with solar collectors in different configurations The device is used to control collector pumps or a pump and a valve based on a temperature measurement at the solar batteries and at the accumulation tank two tanks It is also possible to connect optional devices circula
4. BUTO Automatic operation mode 444 Collector defrosting mode y Holiday mode o Collector overheating alarm mode e Fin Sensor failure alarm mode 2 Icon of the active optional device peripherals Mo Circulation pump 3 El PLT pellet boiler fire up Sy Heater When one of the sensors is damaged an additional icon lt starts to flash in the area where the temperature of the damaged sensor is normally displayed to indicate which sensor has been disconnected or damaged In addition to the above a pump icon revolves if in operation or and valve icon with an indication of the current circulation route is displayed on the system configuration diagram lIl b Operation Mode With this function you can select an operation mode 1 Automatic mode In the automatic mode the pump is running if the minimum temperature difference between the collector and the tank is reached the temperature difference at which the pump is started is defined by the Solar Pump Delta function in SERVICE MENU gt Accumulation Tank gt Solar Pump Delta The pump continues to run until the setpoint temperature is reached the setpoint temperature is set with SERVICE MENU gt Accumulation Tank gt Setpoint Temperature or until the collector temperature and the tank temperature equalize in which case the pump is restarted when the temperature at the collector rises above the tank temperature by the value of solar pump delta
5. MANUAL IV d 1 1 9 Diagram The 1 9 diagram includes collector pump accumulation tank gt a single arrangement of collectors additional peripherals System sensors collector sensor accumulation tank sensor The 2 9 diagram includes collector pump gt switching valve accumulation tank gt a single arrangement of collectors additional peripherals System sensors collector sensor gt two accumulation tank sensors Additional installation options valve hysteresis The tank is initially heated in its upper portion from where hot consumption water is supplied and when it has sufficiently been heated the valve switches to the circuit of the other portion The valve will switch back when the priority portion of the tank cools down by the value of valve hysteresis i e the temperature difference between the two portions of the tank 14 IV d 3 3 9 Diagram The 3 9 diagram includes two collector pumps running independently each according to its circuit accumulation tank two arrangements of collectors additional peripherals System sensors two collector sensors accumulation tank sensor Attention Solar collector settings SERVICE MENU 75 SOLAR COLLECTOR refer equally to collectors positioned in both directions IV d 4 4 9 Diagram The 4 9 diagram includes collector pump gt switching valve accumulation tank
6. The pump continues to run until the maximum storage temperature is reached or until the collector temperature drops by the value of alarm hysteresis see SERVICE MENU gt Solar Collector gt Alarm Hysteresis ST 402 USER S MANUAL IV a 3 Storage Hysteresis With this function you can define the value of storage hysteresis If the storage temperature reaches the setpoint value and the pump is shut off the pump will be restarted after the storage temperature drops below the hysteresis value IV a 4 Solar Pump Delta This function is used to define the temperature difference between the collector and the tank at which the pump starts to run pump activation threshold value IV b Solar Collector With this menu you can set all parameters associated with the solar collector IV b 1 Maximum temperature With this setting you can define the maximum safe temperature of the collector The value must be set according to technical data of the collector in use Should the maximum alarm temperature be reached the controller will enter the collector overheating mode IV b 2 Alarm Hysteresis With this function you can define the value of the collector alarm hysteresis If the storage temperature reaches the alarm value collector overheating and the pump is started the pump will be stopped again after the collector temperature drops below the maximum temperature by the hysteresis value IV b 3 Defrosting Time With this function
7. With this function you can set the current time according to which the controller is to operate lil d Day From With this setting you can define at what time the daytime mode is to be activated Day From Hour lIl d Night From With this setting you can define at what time the night mode is to be activated Night From Hour lll d Language Version You can select the language version for the controller lll e Information When this option is selected the logo of the manufacturer is displayed together with the software version IV Service Menu To enter the service settings select SERVICE MENU then input 112 with the encoder and confirm the entry by pressing the knob To return to the main page exit the service menu press EXIT twice or wait approx 30 seconds for the device to leave the service mode automatically IV a Accumulation Tank With this menu you can set all parameters associated with the tank heat storage IV a 1 Setpoint Temperature This function is used to define the setpoint temperature at the storage that if reached will cause the collector pump to shut off IV a 2 Maximum Temperature With this option you should define the highest permissible temperature value for the tank to reach in case the collector is overheated Should the collector reach the alarm temperature overheating the pump will be started automatically in order to cool the collector regardless of the setpoint temperature
8. hysteresis i e the temperature difference between the two tanks tank 2 maximum temperature With this option you should define the highest permissible temperature value for the second tank heat receiver to reach in case the collector is overheated sA 1 ST 402 USER S MANUAL 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 the controller needs to be temporarily stopped VI Protections In order to ensure a safe and faultless operation the regulator has been provided with numerous protections 1 System sensor protections When one of the sensors is damaged an acoustic warning is sounded and to the right of the display the following icon is shown SL An additional icon starts to flash in the area where the temperature of the damaged sensor is normally displayed to indicate which sensor has been disconnected or damaged In order to deactivate the alarm in the sensor failure mode press the EXIT button 2 Collector overheating protection Should the maximum alarm temperature be reached the controller will enter the collector overheating mode and in the display the following icon is shown o The pump starts to run in order to cool the collector until the maximum storage temperature is reached or until the collector temperature drops by the value of alarm hysteresis see SERVICE MENU gt Solar Collector gt Al
9. two arrangements of collectors additional peripherals System sensors two collector sensors gt accumulation tank sensor Additional installation options collector delta In this configuration only one heating circuit is active The Switching valve is intended to switch the circuit to a collector the 15 ST 402 USER S MANUAL gt temperature of which is currently higher at least by the value of collector delta the temperature difference between the two collectors IV d 5 5 9 Diagram The 5 9 diagram includes gt collector pump gt auxiliary pump pump 2 gt accumulation tank gt a single arrangement of collectors gt additional peripherals System sensors gt collector sensor gt two accumulation tank KTY sensors boiler temperature sensor Additional installation options activation delta This configuration features an additional heating circuit to provide additional heating with the use of a central heating boiler If the tank temperature is lower than the tank setpoint temperature at least by the setpoint value of activation delta i e the difference between the setpoint temperature and the actual temperature of the tank the auxiliary pump from the boiler is started in order to provide additional heating for the accumulation tank providing that the boiler temperature is higher than the tank temperature This setting is available only in periods defined by the us
10. DS DETEOSUING TIME iia ios 11 IVs C PHD RGN al Surinam 11 ING CIFGUIGEION PUMO iia 11 INC 2 PET Pellet Boller Fires UD isaac 12 IN ABO NG A y 10 AA ARA PARO HO 12 IV d Installation Diagram asaaaaaaaaaaaa aaa 13 IM Cis O Diagrames AA AA AA 13 IN G 2 2 9 Dada al 14 IN 0 3 379 Dagr aMi esent EE KAATSEN 14 UA AO PAANAN TA EE 15 ST 402 USER S MANUAL 26 DV Geo NAB AA ABA 15 IN G0 6 9 DIAM iaa 16 IV AT 9 DIDA ANAKAN BE A E E 18 N00 8 O DAGA Maa NAPAANDAR AA 19 YO NO PITA TOO NAA 21 Vo Standy MOG aa 22 Via PEO TECHNO Saan sibs AGANG AA 22 Vik MaintenaN Ca aaa ANA ad 24 VITE ASSEMDIV ara NANANA AADIK ALANGAN eave ESE 25 ION ae User s Manual ST 402 TECH Sp j 34 120 Andrychow ul St Batorego 14 tel 33 8705105 33 8759380 fax 033 870 47 00 serwis techsterowniki pl All faults should be reported to Monday Friday 7 00 16 00 Saturday 9 00 12 00 mr ase OH l CU r1 WWW TECHSTEROWNIKI PL
11. am includes collector pump tank 2 pump two accumulation tanks gt a single arrangement of collectors additional peripherals system sensors collector sensor two sensors of the main accumulation tank sensor of the additional accumulation tank Additional installation options tank 2 setpoint temperature This function is used to set the setpoint temperature of the second tank that if reached will cause the pump of tank 2 collector pump 2 to Stop tank 2 hysteresis Once the setpoint temperature is reached pump 2 is shut off Pump 2 will start again when the tank temperature drops below the setpoint value by the tank 2 hysteresis pump 2 delta This function is used to define the temperature difference between tank 1 and 2 at which pump 2 is activated pump 2 activation threshold 19 ST 402 USER S MANUAL value tank 2 maximum temperature With this option you should define the highest permissible temperature value for the second tank to reach in case the collector is overheated operation algorithm With this option you can select operation modes for the pumps The pumps can be operated in the following modes a tank 1 priority initially tank 1 is heated only pump 1 is running and when the setpoint temperature is reached pump 2 is activated to provide additional heating for the other tank Pump 2 is shut off when the setpoint temperature for the second tank is reached or wh
12. arm Hysteresis In case two tanks are available both tanks are used to cool the overheated collector simultaneously or consecutively depending on the set operation algorithm 3 Heat Storage Protection If the boiler is overheated each tank can be heated up to the set safe 22 Er temperaturethreshold Once this temperature is reached the pump of the given tank is stopped in the configuration of two tanks with a valve the circuit of the second tank is enabled 3 Fuse The regulator has a network protection WT 3 15A tube fuse ATTENTION it is not advisable to use fuses with higher current ratings Higher current ratings may cause damage to the controller VII Maintenance Before and during the heating season the ST 402 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 ST 402 Technical Specifications Temperature adjustment range Power consumption Collector sensor temperature resistance Temperature resistance of the remaining sensors Measurement accuracy Ambient temperature 10 C 50 C Fuse insert 3 15A 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 s
13. ctor pumps two accumulation tanks gt a single arrangement of collectors additional peripherals System sensors collector sensor gt accumulation tank sensors Additional installation options tank 2 setpoint temperature This function is used to define the setpoint temperature of the second tank that if reached will cause the collector pump 2 to stop tank 2 hysteresis Once the setpoint temperature is reached the pump is shut off The pump will start again when the tank temperature drops below the setpoint value by the tank 2 hysteresis tank 2 maximum temperature With this option you should define the highest permissible temperature value for the second tank to reach in case the collector is overheated gt pump 2 delta This function is used to define the temperature difference between the collector and the second tank at which pump 2 starts to run pump activation threshold value gt operation algorithm With this option you can select operation modes for the pumps The pumps can be operated in the following modes a tank 1 priority initially tank 1 is heated only pump 1 is 18 running and when the setpoint temperature is reached pump 2 is activated to provide additional heating for tank 2 b parallel operation the pumps are running independently each in its own range according to its settings with both tanks being heated simultaneously IV d 8 8 9 Diagram The 8 9 diagr
14. en temperatures of both tanks equalize b parallel operation the pumps are running independently each in its own range according to its settings with both tanks being heated simultaneously in parallel IV d 9 9 9 Diagram The 9 9 diagram includes collector pump gt switching valve accumulation tank heat exchanger heat receiver gt a single arrangement of collectors additional peripherals System sensors collector sensor accumulation tank sensor heat exchanger sensor 20 Apart from the accumulation tank the system features a heat receiver e g a swimming pool or central heating system intended to emit heat instead of accumulating it Additional installation options tank 2 setpoint temperature This function is used to define the setpoint temperature at the second heat receiver exchanger that if reached will cause the collector pump to stop tank 2 hysteresis Once the setpoint temperature at the receiver is reached the pump is shut off The pump will be restarted when the temperature of the heat receiver drops below the setpoint value by the value of tank 2 hysteresis providing that tank 1 is well heated and the valve has not been switched to the accumulation tank valve hysteresis If the setpoint temperature for the first tank is reached the valve will supply the heat receiver The valve will switch back when the first tank cools down by the value of valve
15. er from until From Hour Until Hour These settings are used to define periods from until in which the central heating boiler will provide additional heating for the accumulation tank 16 IV d 6 6 9 Diagram The 6 9 diagram includes collector pump gt switching valve two accumulation tanks gt a single arrangement of collectors additional peripherals System sensors collector sensor accumulation tank sensors Additional installation options tank 2 setpoint temperature If the setpoint temperature for the first tank is reached the valve will switch the supply to the second tank With this function you can set the setpoint temperature for the second tank tank 2 hysteresis Once the setpoint temperature is reached the pump is shut off The pump will start again when the tank temperature drops below the setpoint value by the tank 2 hysteresis valve hysteresis This setting is used to adjust the valve when cooling the collector in the summer mode or alarm mode as well as during defrosting The valve hysteresis defines the temperature difference between the tanks at which the valve is switched to the other tank tank 2 maximum temperature With this option you should define the highest permissible temperature value for the second tank to reach in case the collector is overheated TE ST 402 USER S MANUAL IV d 7 7 9 Diagram The 7 9 diagram includes two colle
16. tion pump electric heater or send a fire up signal to the central heating boiler It is possible to control the circulation pump and input a fire up signal into the central heating boiler directly from the controller In case of the heater it is required to fit an additional signal relay ll Principle of Operation Description of the control panel in a sample configuration TIME COLLECTOR STEROWNIK KOLEKTORA SLONECZNEGO 5T 402 TEMPERATURE OPERATION MODE COLLECTOR OPTIONAL PUMP DEVICE ACTIVATED HEAT TANK 2 STORAGE TEMPERATURE TEMPERATURE STANDBY EXIT MODE ENCODER The device is controlled with an encoder By pressing the encoder knob you can enter a menu or confirm settings By turning the knob you can navigate in menu functions To go to the main page or higher menu level use the Exit button All settings are changed in the same manner ST 402 USER S MANUAL lll User s Menu lll a Main Page During normal operation the graphic display shows the Main Page that contains apart from the selected configuration the following information operation mode or type of alarm current time collector temperature current heat storage temperature temperatures of all additional sensors depending on configuration To the right of the screen the following icons are displayed 1 Icon of the active operation mode
17. ymbol 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 23 ST 402 USER S MANUAL VIII 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 Collector Installation Block Diagram Solar collectors Collector pump ST 402 control panel Hot water storage H W boiler 24 Table of Contents Ts Intended Usan 5 TT PRINCIDIG OF Operations 5 eU r SIMON Kaya BIT NANANA TANANG NAAGAPAN AGA NAG 6 Hi a Maln Pad Sia 6 H D Operation Mode asana anena 7 MEC COCK eara aAa a a A Ea 8 Har HVA te OMY iaa E 8 EC INGE ro Morsa 8 MET Language Version surtir 9 11 08 110 Ma O Matas AA ANAY 9 SS a AA NA AA ANA AA AO 9 INA ACCUMLIIATON Tara 9 IV a 1 Setpoint TeMperature cccccceecescucvesccucecuecsuceeurseersuceeereueesans 9 IV a 2 Maximum TeEMperature cccccccececcescucrenuucenesuceeurseursucesereugesans 9 INA a3 Tank AYStErESI S tio GA AGA GANA NAA 10 IVa Solar PUMP Deka NGARAN is 10 IV DI Solar Coleco ainia dai 10 IV DL Maximum TemperatUresinaridaiaa dad 10 ING D532 Alar FYStGreSIS sio KANAN NA NG ANAN ANT anne 10 IV
18. you can define how long the pump is to run after the boiler defrosting function is activated 10 IV c Peripherals It is possible to connect and configure optional devices If no optional device is connected select N A disable Below described are three available optional devices and their connections with all available system configurations IV c 1 Circulation Pump Once the device is selected set the periodical duty time and pause time for the pump during its activity hours Then define periods in which the pump will be active using the From Hour and Until Hour functions If the same time is entered from until the device will run non stop ST 102 E5 pa Da mes Ld Kh WT mi STORAGE SENSOR ADDITIONAL SENSOR 1 ADDITIONAL SENSOR 2 je Ti E 5 E Power supply COLLECTOR ScNSOR TORAGE SENSOR Circulation pump IV c 2 PLT Pellet Boiler Fire Up With this option you can set a voltage free signal intended to fire up the pellet boiler Set the activation delta i e the difference between the setpoint temperature and actual temperature of the storage that if reached will cause the controller to send a signal to fire up the boiler Then define a period in which the function will be active using the From Hour and Until Hour functions BG e ST 402 USER S MANUAL ST 402 EB ORAGE SENSOR COLLECTOR SENSOR SENSOR 1 SENSOR 2 STORA
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