Seltron ST2 User manual
Room thermostat ST2
User manual
Setting manual
Installation manual
Table of contents
User manual
Appearance and description..............................................................5
Operating mode selection .................................................................7
Setting the day and night temperature...............................................8
Setting the comfort temperature........................................................9
PARTY and ECO mode.....................................................................9
HOLIDAY mode ..............................................................................10
Setting the accurate time.................................................................11
Program timer - programming .........................................................12
Pre-setted time programs................................................................14
Anti-legionaries disease program....................................................16
Manual domestic hot water warming activation...............................17
Room thermostat locking.................................................................17
Heating and cooling mode - selection..............................................18
Remote control with telephone........................................................18
Auxiliary temperature sensor - temperature overview......................18
Command to quick save and quit (Escape).....................................19
Battery replacement........................................................................19
Setting manual
Menu...............................................................................................20
Radio connection - test mode for ST2TX.........................................28
Factory settings - ST2 reset ............................................................29
Controlled system - selection ..........................................................30
Installation manual
Place of mount................................................................................31
Wall plate mount .............................................................................31
Wiring connections..........................................................................33
ST2R - ST2 with relay module R.....................................................34
ST2R - direct heating circuit pump ..................................................35
ST2R - boiler control .......................................................................36
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
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E- mail:
info@seltron.info
ST2RDR - direct heating circuit ......................................................42
ST2RDR - direct heating circuit and domestic hot water .................43
ST2RDR - indirect heating circuit (3 point control) ..........................44
ST2RDR - direct heating circuit and boiler with
built in domestic hot water storage tank ..........................................45
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............................................................50
ST2JVDR - ST2 with module for gas boilers JV and
auxiliary relay module DR ...............................................................51
ST2JVDR - gas boiler Junkers and d. h. w. circulation....................52
ST2JVDR - gas boiler Vaillant and d. h. w. circulation.....................53
Connecting the Telewarm ...............................................................54
Connecting the auxiliary temperature sensor..................................54
Error diagnostics.............................................................................55
Technical data.................................................................................56
Conformity with standards and directives........................................57
Guarantee............................................................................................58
Disposal of Old Electrical & Electronic Equipment .................................59
USER MANUAL 5
Appearance and description
ST2 is a powerful and efficient modular room thermostat with
exchangeable modules. It can be used in heating or (and) cooling
systems. It is suitable for radiator, convector and surface heating
systems. This manual applies for:
- 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
- ST2TX - ST2 with module for wireless control
Room thermostat ST2 also enables connection of auxiliary tem-
perature sensor1and remote activation with the telephone1.
1this option is not available in all ST2 editions
LEGEND
Hold key while pressing other keys.
Hold key until you hear a beep sound.
Press and release key.
Press key to increase or decrease value.
USER MANUAL
6
Controlleddevices
- gas boiler
- liquid fuel boiler
Date and time
Knobforsetting
the daytemperature
Picture 1
Program timer CH1
-day.temperature
- night temperature
Operation mode
- off
- heating
- cooling
- d. h. w. warming
ECO
Remote activation
Program timer CH2
- d.h.w.warming
ON - active
OFF - inactive
Frost protection
Keyboard
locking
PARTY
- mixing valve
- pump
- d. h. w. storage tank
Empty batteries
Wireless mode
Measured
temperature
PARTY -day
temperaturemode Stand by
mode Night
temperature
setting
On mode -
Operation
according to the
program timer
ECO -saving
temperature
mode
7
USER MANUAL
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
- room cooling
- domestic hot water warming
Picture 2
Picture 3
Room heating operates according to the program timer CH1, domestic hot water
warming operates according to the program timer CH2.
i
changed in program group P1.3 (page 22).
Stand-by
Press key (Picture 3). On the
display appears symbol .
Frost protection remains active.
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). To save and quit set
-up, press key ( ) once again.
Picture 5b
Picture 5a
Picture 4
Day temperature
Turn knob to set the requested
Setting the day and night temperature
USER MANUAL
8
Setting the comfort temperature
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.
If the comfort heating mode is inactive, the comfort tem-
perature setting is also inactive. The comfort temperature
mode is setted in program group P1.8 (page 22).
i
Picture 6b
Picture 6a
Hold key for 5 second (Picture 6a). Use key ( ) or ( ) to
6b). To save and quit set-up, hold key for 5 seconds.
PARTY and ECO operating mode
PARTY - day temperature operation
Press key . Use key ( ) or ( ) to set duration of the
PARTY mode between 1 and 24 hours. For permanent PARTY
mode, select on.
To stop PARTY mode at anytime, press key .
9
USER MANUAL
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 .
Hold key for approximately 15 seconds. Release the key after
you hear a beep. Use key ( ) or ( ) to set duration of the
HOLIDAY mode between 1 and 99 days.
To stop HOLIDAY mode at anytime, again hold the key for 15
seconds.
Holiday mode
The HOLIDAY mode temperature is setted in program
group P1.4 (page 22). Factory pre-setted HOLIDAY
.
i
The ECO temperature reductionis setted in
program group P1.2 (page 22).
i
USER MANUAL
10
This manual suits for next models
5
Table of contents
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