Tech Controllers ST-976 User Manual Download Page 1

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Summary of Contents for ST-976

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Page 3: ...l 13 4 3 3 Temperature settings 13 4 3 4 Work algorithm 14 4 3 5 Manual mode 16 4 3 6 Weekly control 16 4 3 7 Operation modes 19 4 3 8 Fuel selection 20 4 3 9 Thermal disinfection 21 4 3 10 Screen set...

Page 4: ...ration 38 4 4 11 Cleaning 39 4 4 12 Eco mode 39 4 4 13 Alarm history 41 4 4 14 Modu GSM 41 4 4 15 Ethernet module 42 4 4 16 Factory settings 43 Protections 44 Thermal protection of the ch boiler 44 Au...

Page 5: ...of the electric motors as well as the insulation resistance of the cables The regulator should not be operated by children WARNING The device may be damaged if struck by a lightning Make sure the plug...

Page 6: ...p floor pump alarm Built in module controlling the valve Weather based control of the valve Weekly control Cooperation with a room regulator using traditional two state or RS communication Manual burn...

Page 7: ...ler should be installed by a qualified person WARNING Risk of fatal electric shock from touching live connections Before working on the controller switch off the power supply and prevent it from being...

Page 8: ...5 Additional pump 2 6 External feeder 7 Thermal protection 8 Room regulator 9 Flue gas sensor 10 CH sensor 11 DHW sensor 12 Valve sensor 13 Return sensor 14 External sensor 15 Additional sensor 1 16...

Page 9: ...rt Water tank temperature Water tank temperature chart Fire up Damping function Fuel level Parameters of built in valve The upper left hand side of the screen displays current controller operation mod...

Page 10: ...controller operation There are four stages of the fire up process 1 Blow by In this stage the fan works at full speed in order to clean the furnace 2 Initial fuel feeding In this stage the blow force...

Page 11: ...t Moreover it ensures stable temperature of output water thus prolonging the life of the heat exchanger of the CH boiler Flue gas temperature control at the outlet results in low emission of dust and...

Page 12: ...Fire up Damping 12 Fuel tank full 13 Temperature settings 13 Standard automatic zPID 14 Manual mode 16 Weekly control 16 Operation modes 19 Fuel selection 20 Thermal disinfection 21 Screen settings 2...

Page 13: ...fuel feeder operation 4 4 10 Fuel level calibration page 38 4 3 3 Temperature settings MAIN MENU TEMPERATURE SETTINGS Pre set CH temperature Pre set DHW temperature CH boiler hysteresis DHW hysteresi...

Page 14: ...ne the temperature of CH pump and DHW pump activation temperature measured on the CH boiler Below this temperature value both pumps remain inactive whereas above this value the pumps are enabled and o...

Page 15: ...value of pellet fuel given on the packaging Fan max This option is used to define the fan speed until the pre set temperature is reached Fan min This option is used to define the fan speed in sustain...

Page 16: ...ly of others It allows the user to check if the following devices work correctly igniter blow fan feeder grate CH pump DHW pump additional pumps built in valve and optionally the additional valves thi...

Page 17: ...eriod tap on the icon When it is highlighted in red use the icons to copy the setting into the next or the previous time period Once the operation schedule for each day has been configured select The...

Page 18: ...the previous or the following hour Once all temperature changes for a given day are ready select The display shows a screen enabling the user to copy the settings for the next day If you want the CH b...

Page 19: ...nd between 1700 and 2200 it will increase to reach 57 C Th the weekend between 600 and 900 the temperature will increase by 5 C to reach 55 C and between 1700 and 2200 it will increase to reach 57 C D...

Page 20: ...iler temperature is lower than current water tank temperature DHW pump will not be activated to prevent the water in the tank from cooling down Summer mode In this mode only DHW pump is active enabled...

Page 21: ...ture reached The temperature is maintained for the whole disinfection time e g 10 minutes Next the standard operation mode is restored Disinfection temperature needs to be reached within 60 minutes fr...

Page 22: ...ess is completed the display shows the main screen When software update has been completed remove the memory stick from USB port Mode 2 Insert the memory stick with the software into the controller US...

Page 23: ...ontroller menu 4 3 15 Software version This function enables the user obtain basic information about the software version 4 3 16 Factory settings The controller is pre configured for operation However...

Page 24: ...ings of basic functions e g parameters of built in valves Page MAIN MENU FITTER S MENU Operation algorithm selection 25 Fire up parameters 25 Damping parameters 26 Internal feeder coefficient 26 Exhau...

Page 25: ...efines the time of the second fire up phase During this phase the fuel is fed to the furnace Fan speed This function is used to configure fan speed in the third fire up phase In the remaining phases t...

Page 26: ...nternal feeder coefficient This value defines how much longer the internal fan will operate in comparison to the external fan 4 4 5 Exhaust fan FITTER S MENU EXHAUST FAN Fan working minimum Fan workin...

Page 27: ...nk It is the desired temperature of the buffer Pre set temperature bottom This function enables the user to define the pre set temperature of buffer bottom C2 sensor should be placed in the lower part...

Page 28: ...ning Opening time Measurement pause Valve type Weather based control Room regulator Proportionality coefficient Opening direction CH sensor selection CH boiler protection Return protection Valve pump...

Page 29: ...ue The smaller the single stroke the more precisely the set temperature can be achieved However it takes longer for the set temperature to be reached Minimum opening The parameter determines the small...

Page 30: ...e user defines the pre set temperature value downstream of the valve for respective values of external temperatures 20 C 10 C 0 C and 10 C How to program the heating curve Select Heating curve option...

Page 31: ...d a new option appears in the menu Room reg temp lower Room reg temp lower NOTE This function is available only if RS regulator decrease standard regulator or TECH RS regulator is selected The user de...

Page 32: ...of a single opening 10 Opening direction BUILT IN VALVE OPENING DIRECTION Left Right If after connecting the valve to the controller it turns out that it is connected the other way round then the pow...

Page 33: ...switch on temperature This option enables the user to select the pump operation mode o Always ON the pump operates all the time regardless of temperatures o Always OFF the pump is permanently deactiv...

Page 34: ...sensor temperature exceeds the temperature threshold The following parameters need to be configured for this function to work correctly Room regulator When this option is selected and the pre set roo...

Page 35: ...s the temperature of the heat source the CH boiler Below this temperature the pump remains inactive whereas above this temperature it is enabled and operates until the pre set temperature is reached H...

Page 36: ...iler and the DHW receivers The following parameters need to be configured for the circulating pump to work correctly Operation time This parameters defines the time of pump operation during its activi...

Page 37: ...on is used to select which temperature sensor should be used to provide data for controlling the operation of the device connected to the additional contact pre set temperature Alarm If the user has a...

Page 38: ...oduced when the pre set room temperature is reached The temperature reduction will not be lower than the minimum pre set CH temperature Example Pre set CH boiler temperature 55 C Room reg temp lower 1...

Page 39: ...This parameter is used to define the frequency of grate cleaning activation The cleaning procedure involves damping the CH boiler and fire up If the time is set at 0 the cleaning process will be disa...

Page 40: ...isplays Buffer pre set temperature reached below Fire up Damping touch buttons Emergency damping will also start when the pre set CH temperature is exceeded by 5 C Buffer ON Fire up function Buffer DH...

Page 41: ...to view the previous alarms 4 4 14 Modu GSM NOTE This type of control is available only after purchasing and connecting an additional controlling module ST 65 which is not included in the standard con...

Page 42: ...le ON Registration DHCP IP Address IP Mask Gate address DNS address MAC address Module version Module OFF Before registering the module it is necessary to create user s account on emodul pl if you do...

Page 43: ...P mask gate address enc may be set manually or by selecting DHCP option Internet module is a device enabling the user remote control of the CH boiler via the Internet Emodul pl enables the user to con...

Page 44: ...ed an alarm sound is activated and the display message informs about the failure e g CH sensor damaged The fan is disabled The pump is enabled regardless of the current temperature If the CH sensor is...

Page 45: ...contact the service staff damage to the sensor which is not used active does not activate an alarm CH sensor has not been installed properly Check if the sensor has been installed properly in the rig...

Page 46: ...umption W 9 3 Ambient temperature O C 5 50 4 Circulating pump output load A 0 5 5 Fan output load A 0 6 6 Range of temperature measurement O C 0 85 7 Accuracy of measurement O C 1 8 Range of temperatu...

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Page 49: ...uropean Parliament and of the Council of February 26 2014 on the harmonisation of the laws of Member States relating to electromagnetic compatibility EU Journal of Laws L 96 of 29 03 2014 p 79 Directi...

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Tech Controllers ST-976, User Manual

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