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Computherm S300 Operating Instruction
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Computherm S300 Operating Instruction

S series wi-fi thermostat
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COMPUTHERM S300
Wi-Fi Thermostat
Operating instruction
COMPUTHERM S Series

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Summary of Contents for Computherm S300

  • Page 1 COMPUTHERM S300 Wi-Fi Thermostat Operating instruction COMPUTHERM S Series...
  • Page 2 TABLE OF CONTENTS 1. A general description of the thermostat 2. Important warnings and safety recommendations 3. Meanings of the LED signals of the thermostat 4. Putting the apparatus into operation 4.1. Downloading and installing mobile application 4.2. Connecting the thermostat to the user account and establishing contact between the thermostat and the Wi-Fi network 5.

  • Page 3: A General Description Of The Thermostat

    1. A GENERAL DESCRIPTION OF THE THERMOSTAT COMPUTHERM S300 Wi-Fi thermostat is an apparatus that can be controlled by a smart phone via the Internet, and we recommend it primarily as a supplement for an existing central heating systems and other electric devices to enable remote control.
  • Page 4 Internet. We offer the installation of a supplementary COMPUTHERM S100 Wi-Fi sensor centre to those who wish to control their COMPUTHERM S300 ther- mostat based on the temperature/humidity measured in another room via wireless means.

  • Page 5: Important Warnings And Safety Recommendations

    This product is especially useful when you do not use your flat or house according to a predetermined schedule, you leave your home for an un- certain period of time or you wish to control or check the heating of your holiday home remotely during the heating season.
  • Page 6 • When it is ON, network voltage appears on the thermostat terminal, contrary to thermostats with conventional potential free relay output. • Before starting to use the thermostat, make sure that the Wi-Fi network is reliably accessible at the place where you intend to use the apparatus. •...
  • Page 7 intervention after the power supply is restored (the power outage is eliminated). In manual mode please check - and modify if required – the setting of the thermostat according to the needs and specify its position to be set after the power outage is eliminated and power sup- ply is restored (turned on/off, last previous condition;...

  • Page 8: Meanings Of The Led Signals Of The Thermostat

    version! Due to constant updates it is possible that some functions of the apparatus and the applications operate and appear in a way other than described in these instructions for use. (The service provider will send a notification of the accessible updated software). 3.

  • Page 9: Putting The Apparatus Into Operation

    • When the blue LED flashes once for a short time every few seconds then the connection between the thermostat and the Wi-Fi network has not been established. • When the blue LED flashes twice for a short time every few seconds then the connection between the thermostat and the Wi-Fi network has been established but the connection to the central server was unsuccessful.
  • Page 10 COMPUTHERM S Series. a) Download the free COMPUTHERM S Series application from App Store or Google Play store to the device (e.g. smart phone or tablet) you intend to use to control the thermostat. The application is acces- sible through the below link and QR code: http://quantrax.hu/computherm-wi-fi-termosztatok/...
  • Page 11 minutes. Enter this 4-digit validation code into the line „VERIFI- CATION CODE”. Following this, give a password composed of at least 8 characters. When you are ready, click twice on the „REGIS- TER” button and enter into your user account. Following this, the mobile application is ready for use.
  • Page 12 b) Connect the thermostat to the mains power source through the „N”, „L” and „E” connection points indicated on the apparatus in the direct vicinity of the Android-operated device and the Wi-Fi router selected then wait for ~10 seconds. The Wi-Fi network selected must have Internet access.
  • Page 13 This blinking indicates the alternative tuning mode). d) On the Android device open application „COMPUTHERM S Series” and click on „+” at the bottom of the screen then on the „Next” button. e) In the application give the name and password of the Wi-Fi network to which the thermostat is to be connected then click on the „Next”...
  • Page 14 Wi-Fi router selected then wait for ~10 seconds. (The Wi-Fi network selected must have Internet access). b) On your iOS device open the „COMPUTHERM S Series” application then tap „+” at the bottom of the screen then the „Next” button.
  • Page 15 then illuminates steadily for a short time and this process is repeated. Press and hold down the button again for around 5 seconds and the blue LED starts to blink briskly indicating that the apparatus is in tuning mode. At this point the „ITEADxxxxxx” Wi-Fi network should appear on the list of Wi-Fi networks.
  • Page 16 Wi-Fi network of the thermostat, exit from the „Settings” menu. e) On your iOS device open again application „COMPUTHERM S Se- ries” then tap the „Next” button at the bottom of the page. f) On the next screen give the name and password of the Wi-Fi network to which the socket is to be connected then tap the „Next”...
  • Page 17 remotely controllable this way. Please make sure that neither the device to be controlled nor the thermostat are connected to the mains power while the device is connected to the thermostat. 5. USE OF THE THERMOSTAT AND APPLICATION, DESCRIPTION OF FUNCTIONS AND SERVICES Once you have successfully established a connection between the ther- mostat and the Wi-Fi network selected (which must have the Internet access) and connected the thermostat to your user account, you can...
  • Page 18 The settings of the user account and the application can be modified and the application can be updated in settings ( ) menu. You can return to the main menu with the icon showing four squares ( The Andoid application has a widget functionality, with which the basic func- tionalities of the devices connected to the user account can be accessed directly from the home screen of the Android device.
  • Page 19 stat can also be updated. For proper operation please check regularly whether a software update is available and always use the latest version! The thermostat has the following functions and services: a) Manual on/off control: press the push button on the thermostat for a short time.
  • Page 20 eter concerned (temperature or humidity) and the associated condi- tions (e.g. „Higher than 22°C” or „Lower than 21°C” and ON/OFF). Settings can be confirmed by tapping the „OK” button. You can return to manual mode by tapping the „Auto/Manual” button again. g) You can get access to settings of the device by pressing „...”...
  • Page 21 COMPUTHERM Wi-Fi devices that are not equipped with temperature sensor (e.g. COMPUTHERM S200 Wi-Fi sockets) with the help of the COMPUTHERM S300 Wi-Fi thermostat as a master device. The „Scene” function is accessible from the main screen of the appli- cation by tapping icon „...”...
  • Page 22 • When „Master device” control is chosen, the program offers the device(s) connected to the user account (e.g. the COMPUTHERM S300 Wi-Fi thermostat), out of which one should be chosen to be a master device. Then out of the parameters offered for control you have to choose the one (e.g.
  • Page 23 „Scene” function if you wish to control, either on the spot or remotely, e.g. a COMPUTHERM S200 socket controlled by the „Scene” function from a COMPUTHERM S300 thermostat.

  • Page 24: Recommendations For The Use Of The Thermostat

    Remote control of an existing central heating system is easily feasible if it is complemented with and controlled by a COMPUTHERM S300 Wi-Fi thermostat. To this end all you have to do is connect the power cable of the boiler of the central heating system through the terminal of the thermostat to the electrical network (Figure 1).
  • Page 25 (boiler) S300 230 V AC 50-60 Hz Figure 1 - 25 -...
  • Page 26 S300 230 V AC 50-60 Hz 230 V AC; 50-60 Hz Figure 2 - 26 -...
  • Page 27 If the central heating system is operated in an environment where risk of frost exists we propose you to operate the COMPUTHERM S300 thermostat in automatic mode and set an antifreeze temperature according to Sub- point „f”...
  • Page 28 COMPUTHERM S200 socket and a COMPUTHERM S300 thermostat for the control of the boiler, and with the help of the „Scene” function keep the temperature above freezing according to Sub-point „i”...
  • Page 29 (heater / infrapanel etc.) S300 230 V AC 50-60 Hz 230 V AC 50-60 Hz Figure 3 You can switch between automatic and manual control modes by tapping the „Auto/Manual” button. Choose manual control so that you can control the operation of the device connected to the thermostat remotely by turning on/off the thermostat manually.

  • Page 30: Practical Advices

    The timed („Timer”/„Timing”) and repeated timed („Loop timer”) on/off controls make the device particularly suited to control e.g. a watering pump. By means of the device you can operate the pump of the irrigation system at pre-set intervals and period of time and, additionally, you can modify settings remotely (e.g.
  • Page 31 multiple reasons. In most of the cases it is caused by the Wi-Fi router. It is practical to restart the routers from time to time by disconnecting them from the mains voltage for 2 minutes. In most cases the problems can be fixed by this. If the devices still cannot be controlled after a couple of seconds, then you should try to reconnect the device to the Wi-Fi network, as described in Section 4.2.
  • Page 32 The use of the application The phone/tablet application is under constant development. It is advised to update it to the latest version, as the user experience is continuously enhanced and there can be new functionalities available in the new versions. - 32 -...

  • Page 33: Technical Data

    8. PRODUCT INFORMATION AND TECHNICAL DATA Trademark: COMPUTHERM Model identifier: S300 Temperature control class: Class I Contribution to the efficiency of seasonal space heating: 1 % Temperature measuring range: -20 °C – +70 °C Temperature measurement accuracy: +/- 0.5 °C Type of the temperature sensor: resistive (ohmic) temperature sensor Adjustable measuring range: -20 °C –...
  • Page 34 Protection against environmental impacts: IP51 Output loadability of the thermostat: 16 A (3 A inductive) Standby power consumption: 0.1 W Operating frequency: Wi-Fi (b/g/n) 2.4 GHz Storage temperature: -40 °C … +80 °C Operating temperature: -20 °C – +70 °C Permissible relative humidity: max.
  • Page 36 The COMPUTHERM S300 type Wi-Fi thermostat complies with standards RED 2014/53/EU and RoHS 2011/65/EU. QUANTRAX Kft. Manufacturer: H-6726 Szeged, Fülemüle u. 34. Telephone: +36 62 424 133 • Fax: +36 62 424 672 E-mail: iroda@quantrax.hu Web: www.quantrax.hu • www.computherm-hungary.hu Country of origin: China Copyright ©...