Seltron ST2 User Manual
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Seltron ST2 User Manual

Room thermostat
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Room thermostat ST2
User manual
Setting manual
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Summary of Contents for Seltron ST2

  • Page 1 Room thermostat ST2 User manual Setting manual Installation manual...

  • Page 3: Table Of Contents

    ST2R - heating circuit with mixing valve (ON/OFF control) ....37 ST2R - gas boiler ................38 ST2R - electric floor heating ............39 ST2R - domestic hot water warming..........40 ST2RDR - ST2 with double relay module RDR ......41...
  • Page 4 ST2RDR - domestic hot water warming .......... 46 ST2RDR - direct heating circuit and cooling ........47 ST2TX - ST2 with module for wireless control TX ......48 ST2JV - ST2 with module for gas boilers JV ........48 ST2JV - Junkers gas boilers ............49 ST2JV - Vaillant gas boilers ............

  • Page 5: User Manual

    - ST2R - ST2 with relay module - ST2RDR - ST2 with double relay module - ST2JV - ST2 with module for Junkers and Vaillant gas boilers - ST2JVDR - ST2 with module for Junkers and Vaillant gas boilers and auxiliary relay module...
  • Page 6 Controlled devices gas boiler - mixing valve - pump liquid fuel boiler - d. h. w. storage tank Measured temperature Program timer CH2 Empty batteries - d. h. w. warming ON - active Date and time OFF - inactive Remote activation Program timer CH1 - day.

  • Page 7: Operating Mode Selection

    Operating mode selection Heating activation Press key to select the requ- ested operating mode (Picture 2). Selected operation mode is indi- cated on display. - room heating Picture 2 - room cooling - domestic hot water warming Room heating operates according to the program timer CH1, domestic hot water warming operates according to the program timer CH2.

  • Page 8: Setting The Day And Night Temperature

    Setting the day and night temperature Day temperature Turn knob to set the requested Picture 4 Night temperature Hold key ) for approx. 5 seconds (Picture 5a). Release key after you hear a beep. Now press key ) or ) to set the requested night temperature (Picture 5b).

  • Page 9: Setting The Comfort Temperature

    Setting the comfort temperature Hold key for 5 second (Picture 6a). Use key ) or ) to 6b). To save and quit set-up, hold key for 5 seconds. Picture 6a Picture 6b Room heating with the comfort temp. operates according to the program timer CH3 and has precedence over to room heating according to the program timer CH1.

  • Page 10: Holiday Mode

    ECO - night temperature operation Press key . Use key ) or ) to set duration of the ECO mode between 1 and 24 hours. For permanent ECO mode, select on. To stop ECO mode at anytime, press key The ECO temperature reduction is setted in program group P1.2 (page 22).

  • Page 11: Setting The Accurate Time

    Setting the accurate time Hours Hold key and press key ) to set the hours (Picture Picture 7 Minutes Hold key press key ) or ) to set the minutes (Picture 8). Picture 8 Hold both keys , then press key ( ) or ( ) to set the day (Picture 9).

  • Page 12: Program Timer - Programming

    Program timer Program timer has three channels: CH1, CH2 and CH3. CH1 is used for programming the room heating (day / night), CH2 is used for programming the domestic hot water warming, CH3 is used for programming the comfort room heating. Selecting the program channel Hold key and press key...
  • Page 13 - day temperature - night temperature Picture 12 - active domestic hot water warming - inactive domestic hot Picture 13 water warming - active comfort temperature - inactive comfort temperature Picture 14 Now press key ). On the display starts to flash day. Press ) or ) to set day, then press key ).

  • Page 14: Pre-Setted Time Programs

    Picture 15 Pre-setted time programs Room thermostat ST2 has 6 pre-setted time programs for room heating and 6 pre-setted time programs for domestic hot water warming. For each channel CH1 and CH2 is possible to select between 4 fixed (Pr1, Pr2, Pr3 and Pr4) and 2 users setted time...
  • Page 15 - time program for - time program for dom. room heating hot water warming Time Time Time Time Time Time Time Time Table 1: Pre-setted time programs Pr1, Pr2, Pr3, Pr4 USER MANUAL...

  • Page 16: Anti-Legionaries Disease Program

    In program timer CH1 and CH2 are factory pre-stored time programs Pr1. User pre-setted programs Pr1 and Pr2 Pre-setted time programs with a symbol , can be user modified. These programs can be changed or modified the same way as programs in program timer (see chapter Modifying the time pro- gram, on page 11).

  • Page 17: Manual Domestic Hot Water Warming Activation

    Hold key for 15 seconds. Release the key after you hear a beep. Symbol indicates locked room unit. To unlock the ST2, again hold key for 15 seconds. ST2 locking is setted in service group S1.9 (page 24). USER MANUAL...

  • Page 18: Heating And Cooling Mode - Selection

    Selection between heating or cooling To switchover between heating and cooling and in reverse, hold for approximately 10 seconds (Picture 17). Release key after you hear a beep. The display writes out active mode for a few seconds, HEA - heating or C - cooling (Picture 18).

  • Page 19: Command To Quick Save And Quit (Escape)

    2 years. ST2 is supplied with two alkaline batteries 1.5 V type AAA. Battery socket is inside the ST2. To remove thermostat from the wall OPEN plate, do the following. Hold thermostat in height of keys and pull it towards your- self (Picture 19 - OPEN).

  • Page 20: Setting Manual

    Menu All data and settings are joined into 16 groups: program timer for room heating program timer for d. h. w. warming program timer for comfort room heating room thermostat data program group 1 program group 2 program group 3 service group 1 service group 2 service group 3...
  • Page 21 Menu navigation In menu, keys have new meaning, marked bellow them (Picture 21). To move between the groups press key ) to move to the left and key ) to move to the right (Picture 22). To move within the group press key ( ) to move down between the lines and key ( ) to move up between the lines.
  • Page 22 For changing the time program see chapter Modifying the time program (page 12). Room thermostat data d1 This group is sort of ST2 ID. In this group are information about following order: - [d1.1] Room thermostat type (ST2) - [d1.2] Software version - [d1.3] Heating or cooling...
  • Page 23 Program group P1 Program group P1 is used for the thermostat user settings. To change the selected parameter, hold key for approximately 5 seconds. Parameter starts to flash. Press key ) or ) to set the parameter value. To store the setted value, again hold for approximately 5 seconds.
  • Page 24 Program group P2 In program group P2 are the following parameters; (factory setting): - [P2.1] - [P2.2] Switch-on hysteresis for domestic hot water - [P2.3] - [P2.4] M - [P2.5] Naximal stand- - [P2.6] - [P2.7] Beeper mode (- - - silent, 1 - by typing, 2 - by program Timer changeover, 3 - by typing and program timer changeover);...
  • Page 25 [P3.2] Operation mode (1 - room heating 2 - domestic hot water warming, 3 - room heating and d. h. w. warming, 4 - changeover to cooling mode, 5 - Party mode ); (3) Service group S1 program group S1 are the following parameters; (factory setting): - [S1.1] Controlled heating system (1 - heating circuit (ON / OFF control), 2 - heating circuit (ON / OFF control) and dom.
  • Page 26 3 - enabled only key Party, 4 - full lock); (2) - [S1.10] Relay output timeout - delay (- - - (- - -) Heating optimisation: ST2 automatically calculates the switch-on time and at setted time (night-day changeover) the requested temperature is already reached.
  • Page 27 Service group S3 program group S3 are the following parameters: - [S3.1] Group locking (- - - no locking, 1 - locked are groups S, 2 - locked are groups S and P, 3 - locked complete menu); (1) Access to parameter S3.1 is possible in the following way. Hold for 20 seconds (picture 24).

  • Page 28: Radio Connection - Test Mode For St2Tx

    Radio connection - test mode for ST2TX Check if your receiver has the same radio channel number as set- ted in parameter S2.8 on ST2TX. Now activate test mode. Hold key and pres and hold key for 5 seconds (picture 25). Release the keys after you hear a beep.

  • Page 29: Factory Settings - St2 Reset

    Factory settings - ST2 reset To restore the factory settings hold keys for approx. 20 seconds (Picture 26). Release keys after you hear a beep. Picture 26 SETTING MANUAL...

  • Page 30: Controlled System - Selection

    Controlled heating system - selection S1.1 Controlled system ST2R ST2RDR ST2TX ST2JV ST2JVDR Heating circuit (ON / OFF control) Heating circuit (ON / OFF control) and d. h. w. warming Heating circuit (3 point control) Heating circuit and boiler (ON / OFF control) Floor heating Domestic hot water warming...

  • Page 31: Place Of Mount

    Place of mount Place of mount is very important for proper ST2 operation. Suitable sources of heat and wind. ST2 should be mounted approximately 150 cm above the floor (Picture 27). Picture 27 Wall plate mount Remove the ST2 from the wall plate, by doing the following.
  • Page 32 (see chapter Connecting the wires), screw back the protection cover. Now put ST2 back onto the base by doing the following. Hook ST2 on top of the wall plate and push it with bottom towards the wall plate (Picture 19- CLOSE).

  • Page 33: Wiring Connections

    Bring the wires through the opening in bottom of the wall plate (Picture 30-position A). How to connect module is detailed described on pages 33 to 50. ST2 enables connection of following modules: - relay module (R) - auxiliary relay module (DR)

  • Page 34: St2R - St2 With Relay Module R

    ST2R - ST2 with relay module R With room thermostat ST2 is possible to control: - direct heating circuit pump (picture 31) - boiler control (picture 32) - heating circuit with mixing valve (picture 33) - gas boiler (picture 34)

  • Page 35: St2R - Direct Heating Circuit Pump

    ST2R - direct heating circuit pump Parameter S1.1=1. Module R Picture 31 INSTALLATION MANUAL...

  • Page 36: St2R - Boiler Control

    ST2R - boiler control Parameter S1.1=1. Module R Picture 32 INSTALLATION MANUAL...

  • Page 37: St2R - Heating Circuit With Mixing Valve (On/Off Control)

    ST2R - heating circuit with mixing valve Parameter S1.1=1. Module R Picture 33 INSTALLATION MANUAL...

  • Page 38: St2R - Gas Boiler

    ST2R - gas boiler Parameter S1.1=1. Module R Picture 34 INSTALLATION MANUAL...

  • Page 39: St2R - Electric Floor Heating

    ST2R - electric floor heating Parameter S1.1=5. Module R Picture 35 INSTALLATION MANUAL...

  • Page 40: St2R - Domestic Hot Water Warming

    ST2R - domestic hot water warming Parameter S1.1=6. Module R Picture 36 INSTALLATION MANUAL...

  • Page 41: St2Rdr - St2 With Double Relay Module Rdr

    ST2RDR - ST2 with double relay module RDR With room thermostat ST2RDR is possible to control: - direct heating circuit - direct heating circuit and domestic hot water warming - indirect heating circuit - 3 point control - D. h. w. warming...

  • Page 42: St2Rdr - Direct Heating Circuit

    ST2RDR - direct heating circuit Parameter S1.1=1. Module DR Module R Picture 37 INSTALLATION MANUAL...

  • Page 43: St2Rdr - Direct Heating Circuit And Domestic Hot Water

    ST2RDR - direct heating circuit and domestic hot water warming Parameter S1.1=2. Module DR Module R Picture 38 INSTALLATION MANUAL...

  • Page 44: St2Rdr - Indirect Heating Circuit (3 Point Control)

    ST2RDR - indirect heating circuit (3 point control) Parameter S1.1=3. Modul DR Modul R Picture 39 INSTALLATION MANUAL...

  • Page 45: St2Rdr - Direct Heating Circuit And Boiler With

    ST2RDR - direct heating circuit and boiler with built in d. h. w. storage tank Parameter S1.1=4. Module DR Module R Picture 40 INSTALLATION MANUAL...

  • Page 46: St2Rdr - Domestic Hot Water Warming

    ST2RDR - d. h. w. warming Parameter S1.1=6. Module DR Module R Picture 41 The requested d. h. w. temperature is set between 20 and 80 °C with the knob on the thermostat. INSTALLATION MANUAL...

  • Page 47: St2Rdr - Direct Heating Circuit And Cooling

    ST2RDR - direct heating circuit and cooling Parameter S1.1=9. Module DR Module R Picture 42 INSTALLATION MANUAL...

  • Page 48: St2Tx - St2 With Module For Wireless Control Tx

    (default factory setting is 1). For connecting the RX20 or RX22 see Receiver manual. ST2JV - ST2 with module for gas boilers JV With room thermostat ST2JV is possible to control: - flame power by Junkers gas boilers (picture 41) - flame power by Vaillant gas boilers (picture 42) Table bellow shows parameter S1.1 settings for thermostat ST2JV.

  • Page 49: St2Jv - Junkers Gas Boilers

    ST2JV - gas boiler Junkers Parameter S1.1=7. Module JV Picture 43 INSTALLATION MANUAL...

  • Page 50: St2Jv - Vaillant Gas Boilers

    ST2JV - gas boiler Vaillant Parameter S1.1=7. Module JV Picture 44 INSTALLATION MANUAL...

  • Page 51: St2Jvdr - St2 With Module For Gas Boilers Jv And Auxiliary Relay Module Dr

    ST2JVDR - ST2 with module for gas boilers JV and auxiliary relay module DR With ST2JVDR is possible to control: - flame power by Junker gas boilers and domestic hot water circulation (picture 43) - flame power by Vaillant gas boilers and domestic hot water...

  • Page 52: St2Jvdr - Gas Boiler Junkers And D. H. W. Circulation

    ST2JVDR - Junkers gas boiler and domestic hot water circulation Parameter S1.1=8. Module DR Module JV Picture 45 INSTALLATION MANUAL...

  • Page 53: St2Jvdr - Gas Boiler Vaillant And D. H. W. Circulation

    ST2JVDR - Vaillant gas boiler and domestic hot water circulation Parameter S1.1=8. Module DR Module JV Picture 46 INSTALLATION MANUAL...

  • Page 54: Connecting The Telewarm

    Connecting the Telewarm Connect Telewarm G1-D or Telewarm G44 into the terminals a and b on the ST2 wall plate (picture 45). Before connecting into terminals a and b, remove the blank plastic bridge. To learn more about connecting the Telewarm on electric and telephone network see User manual for Telewarm.

  • Page 55: Error Diagnostics

    On The DD2 can be connected only MURATA type sensors. This sensors are: outdoor sensor AF/M, room sensor PS10- 12/M , immersion sensor TF/M. Error reports Sensor malfunction If auxiliary temp. sensor is in short circuit, the display writes out If the auxiliary sensor is disconnected, the display writes out TECHNICAL DATA, DECLARATIONS...

  • Page 56: Technical Data

    Technical data Model: ..........ST2 Operation mode: ......P - regulator (ON / OFF), sliding mode or PI - controller (3 point control) Power supply: ......... 2 batteries LR03, size AAA Relay output: ........230 V ~ / 6 (3) A JV module: ........

  • Page 57: Conformity With Standards And Directives

    Conformity with standards and directives Seltron d.o.o. declares, with full responsibility, that room thermo- stat ST2 meet the requirements and rules for the electrical equip- ment, designed to use within certain voltage levels (EC directive for low voltage (LVD) 73/23 EEC, 93/68 EEC) and requirements...

  • Page 58: Guarantee

    For service within the guarantee period, hand or send the complete product, together with the sales receipt to authorised service or dealer. This guarantee is valid in every country, where the product was supplied by company SELTRON or its authorised dealer. GUARANTEE...

  • Page 59: Disposal Of Old Electrical & Electronic Equipment

    Disposal of Old Electrical & Electronic Equipment Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with sepa- rate collection systems) This symbol on the product or on its packaging indi- cates that this product shall not be treated as house- hold waste.
  • Page 60 SELTRON d.o.o. Ru{ka cesta 96 2345 Bistrica ob Dravi SI - SLOVENIJA Tel: +386 (0)2 671 96 00 Fax: + 386 (0)2 671 96 66 http://www.seltron.eu J5060352 V2.2 Email: info@seltron.eu V1.1...

This manual is also suitable for:

St2rSt2rdrSt2jvSt2jvdrSt2tx

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