Computherm E Series Instruction Manual

Computherm E Series Instruction Manual

A programmable digital wi-fi thermostat for radiator and underfloor heating systems

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COMPUTHERM E300
a programmable digital Wi-Fi thermostat for
radiator and underfloor heating systems
Instruction Manual
COMPUTHERM E Series

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Table of Contents
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Summary of Contents for Computherm E Series

  • Page 1 COMPUTHERM E300 a programmable digital Wi-Fi thermostat for radiator and underfloor heating systems Instruction Manual COMPUTHERM E Series...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. A general description of the thermostat 2. Important warnings and safety recommendations 3. Information appearing on the display of the thermostat 4. Functions accessible in the phone application 5. Location of the thermostat 6. Connection and installation of the thermostat and putting it into operation 6.1.
  • Page 3 8. Operation-related settings 8.1 Selecting the temperature sensor 8.2. Setting floor temperature limit and corresponding switch sensitivity 8.3 Calibration of the temperature sensor 8.4 Antifreezing 8.5. Memorizing settings in the event of a power failure 8.6 Restoring default setting 9. Basic operation of the thermostat 10. Switching between ON and OFF positions and modes of the device 10.1. Manual mode 1 0.2. Programmed auto mode 10.2.1 Description of the programmed mode 10.2.2. Description of the steps of programming 10.2.3. Modifying temperature until the next switch in the program 11.
  • Page 4: A General Description Of The Thermostat

    1. A GENERAL DESCRIPTION OF THE THER- MOSTAT COMPUTHERM E300 Wi-Fi thermostat is a switching device that can be operated by a smartphone or tablet via Internet, and we especially recommend it for controlling heating or cooling systems. It can be easily connected to any gas boiler having a two-wire...
  • Page 5: Important Warnings And Safety Recommendations

    (see Figure 5), in addition to starting up the boiler. Thus, using several COMPUTHERM E300 type Wi-Fi thermostats, a heating system can be easily divided into zones without a separate zone control system.
  • Page 6 • The thermostat was designed for business or household (not industrial) use, and can be used to control any electric device while keeping in mind the maximum output load of the ther- mostat. • 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 outages occur frequently, for safety purposes we propose you to control proper operation of the thermostat regularly. • Before actually starting to control the device connec- ted to the thermostat, make sure that the device is per- fectly functioning when it is controlled by the thermos- tat and it can be operated reliably. • The software of the thermostat and the telephone applica- tion is constantly upgraded and updated. For proper opera- tion please check regularly whether there is any accessible software or telephone application update, and always use their latest version! Due to constant updates it is possib-...
  • Page 8: Information Appearing On The Display Of The Thermostat

    3. INFORMATION APPEARING DISPLAY OF THE THERMOSTAT Figure 1 - 8 -...
  • Page 9: Functions Accessible In The Phone Application

    4. FUNCTIONS ACCESSIBLE IN THE PHONE APPLICATION Figure 2 - 9 -...
  • Page 10: Location Of The Thermostat

    6. CONNECTION AND INSTALLATION OF THE THERMOSTAT AND PUTTING IT INTO OPERATION Attention! Make sure that the COMPUTHERM E300 thermo- stat and the apparatus to be controlled are de-energized - 10 -...
  • Page 11: Connection Of The Device(S) To Be Controlled

    while putting them into operation. The device should be installed and put into operation by a competent person! If you do not possess the necessary skills and qualifica- tions, please get in touch with an authorized service. Caution! The modification of the device poses a risk of electric shock or breakdown! 6.1.
  • Page 12 Within the loadability limits the two parallel operating relays built in the thermostat make simultaneous actuation (open/ close, start/stop) of other electrically operable fittings (e.g. zone valve, pump) possible, in addition to starting up the boiler. Thus, using several COMPUTHERM E300 type Wi-Fi thermostats, - 12 -...
  • Page 13 a heating system can be easily divided into zones without a separate zone control system. For example, if you wish to in- stall several thermostats within a heating network, in addition to controlling the boiler the zone control (opening/closing various heating zones) can be ensured without a separate zone control system, by connect- boiler...
  • Page 14: Connecting The Floor Temperature Sensor

    6.2. Connecting the floor temperature sensor A floor temperature sensor is also included in the packaging of the thermostat. If during operation you wish to use the floor temperature sensor instead of or in addition to the temperature sensor built in the thermostat then connect it to the connection points labelled „Sensor” (6-7) of the terminal block located on the rear side of the thermostat.
  • Page 15: Connection To The Electrical Network

    measured by the floor temperature sensor in the application at the place shown in Figure 2. You can view this temperature on the thermostat by touching icons at the same time. Now the Floor Temperature appears instead of the Room Temperature on the display of the thermostat.
  • Page 16: Installing The Application

    7. SETTING UP THE INTERNET CONTROL 7.1. Installing the application The thermostat can be controlled by both a smartphone and a tablet with the help of free application COMPUTHERM E Series. Application COMPUTHERM E Series can be downloaded to iOS and Android operating systems. The applications are accessi-...
  • Page 17: Connecting The Thermostat To A Wi-Fi Network

    To be able to control the device remotely, you need connected it to the Internet via a Wi-Fi network. The already configured COMPUTHERM E300 can work according to a pre-set program without the need for a permanent Internet connection. Attention! The thermostat can only be connected to a 2.4 GHz Wi-Fi network.
  • Page 18 Join to the 2.4 GHz Wi-Fi network to be used for the thermostat. • Activate the positioning (GPS location) feature on your phone. • Start the COMPUTHERM E Series application. • Give all the requested permissions to the application in or- der to work properly.
  • Page 19: Controlling The Thermostat By Multiple Users

    7.3. Connecting the thermostat to the application • You can search for COMPUTHERM E series thermostats connected to the Wi-Fi network concerned by tapping the “Search” icon in the left bottom corner (i.e. this requires that the thermostat is connected to the same Wi-Fi network used for the phone).
  • Page 20 COMPUTHERM E Series. • Tapping the “Search” icon in the left bottom corner, the phone/table will search COMPUTHERM E Series thermo- stats connected to the Wi-Fi network concerned. • On the appearing page “Search List” you can choose the thermostat you wish to assign to the installed application.
  • Page 21: Basic Settings

    9. BASIC SETTINGS After the application has been started, COMPUTHERM E series thermostats assigned to the application concerned appear on page “My Thermostat’s”.
  • Page 22: Renaming The Thermostat Assigned To The Application

    Attention! When a phone/tablet has already been connected to the Wi-Fi network concerned and application COMPUTHERM E Series has been opened on it then addition of the ther- mostat to this phone/tablet cannot be disabled with function “Lock current thermostat” any longer.
  • Page 23: Deleting The Thermostat Assigned To The Application

    9.3. Deleting the thermostat assigned to the application If you want to delete the assigned thermostat from the ap- plication then tap and hold the thermostat concerned with- in the application until a pop-up window with the name of “Edit Thermostat” appears. Here you can delete the ther- mostat from the application by tapping the “Delete current thermostat”...
  • Page 24: Locking Operating Buttons

    then tap the button again. Then one of the numbers 2 3 4 5 6 and 7 , which indicate the days of the week, will be flashing. With the help of the buttons set the day. By tapping button again the thermostat will be reset to its initial state.
  • Page 25: Operation-Related Settings

    on the display of the thermostat. Henceforward the device cannot be controlled by the touch buttons on the thermostat until the operating buttons are unlocked. To unlock the op- erating buttons tap and hold the icon for long (for approx. 10 seconds) until the icon disappears on the display of the thermostat.
  • Page 26 - Tapping the button you can switch between the func- tions to be set. - A given function can be set by arrows. - To exit the settings menu and save the settings: - turn off and turn on the device using the button, or - wait 15 seconds until the thermostat’s display returns to the basic screen, or...
  • Page 27 The setting options are shown in the table below: Detailed Display Function Setting Options Default Setting Description Internal sensor Floor temperature Selecting the temperature Chapter 10.1 sensor sensor Internal and floor temperature sensors Selecting switching sensitivity 0.1 - 1.0 °C 0.2 °C Chapter 10.2 Setting the floor temperature...
  • Page 28: Selecting The Temperature Sensor

    10.1. Selecting the temperature sensor (SEN) Attention! This function is only available if the floor themperature sensor is connected to the thermostat. During the use of the thermostat the temperature sensor you want to use can be chosen. In the base case the thermostat displays the measured temperature on the basis of the built-in temperature sensor and switches the set output(s) according to the set temperature.
  • Page 29 If you have connected also a floor temperature sensor to your thermostat and you have chosen the sensor of the thermostat so that the main sensor is the built-in temperature sensor, and you use the floor temperature sensor as a safety sensor (02 / In-s control, Out-s limit) then you can check the temperature measured by the floor temperature sensor in the application at the place shown in Figure 2.
  • Page 30: Setting Floor Temperature Limit And Corresponding Switch Sensitivity

    ternal temperature. However, also make sure that the boiler is switched on several times an hour only at low outdoor tem- peratures (e.g. -10 °C), as frequent switching off and on will impair the efficiency of the boiler’s operation and increase gas consumption.
  • Page 31: Calibration Of The Temperature Sensor

    measured by the floor temperature sensor reaches 44 °C, and the outputs will resume normal operation only after the temperature measured by the floor temperature sensor goes below 40 °C. 10.4 Calibration of the temperature sensor (ADJ) The measuring accuracy of the thermometer of the thermostat is ±0.5 °C.
  • Page 32 • 00/OFF: the thermostat turns off and remains turned off until this mode is altered, regardless whether the thermostat was on or off before the power failure. • 01/ON: the thermostat returns to the same state in which it was before the power failure (default setting). 10.7 Changing between heating and cooling mode (FUN) You can easily switch between heating (00;...
  • Page 33: Switching Between On And Off Positions And Modes Of The Device

    value ( ) then the device will not return to default setting but save the settings and exits the operation-related settings menu. Attention! Keep in mind that in case of a power outage any setting of the thermostat will be stored on an external ser ver, therefore updating of data on the server takes a few seconds.
  • Page 34: Manual Mode

    vice go into off (open) position. When the thermostat is on, the display of the device illuminates continuously. If you touch the touch buttons or modify the settings of the thermostat with the phone application, the light intensity on the thermostat gets higher for approx.
  • Page 35: Description Of The Programmed Mode

    11.1. Manual mode In manual mode the thermostat maintains a preset tempera- ture until the next intervention. If the room temperature is lower than that set on the thermostat, the output of the thermostat will switch on. If the room temperature is higher than that set on the thermostat, the output of the thermostat will switch off.
  • Page 36: Description Of The Steps Of Programming

    ues of the adjustable range are 5 °C and 99 °C, respectively) specified in the settings a different temperature can be chosen for each switching time, in 0.5 °C steps. The device can be programmed for a period of one week. In the programmed auto mode the thermostat operates automatically, and cyclically repeats the entered switches every 7 days.
  • Page 37 b) The indication of the currently selected programming mode is located at the top of the screen for programming, beside the legend Week Loop. Touching this, you can switch be- tween programming modes as follows: - 12345,67: 5+2 mode - 123456,7: 6+1 mode - 1234567: 7+0 mode c) Switches belonging to a given programming mode are below the indication of the programming mode.
  • Page 38 b) With the buttons choose the preferred programming mode as follows: - for 5+2 mode: 12345 - for 6+1 mode: 123456 - for 7+0 mode: 1234567 Now touch the button again. c) Following this, you can specify or modify various switch times and temperatures as follows: - You can switch between switch times with the button.
  • Page 39: Modifying Temperature Until The Next Switch In The Program

    Attention! During programming, the switching times can only be changed so that they remain in chronological order. 11.2.3. Modifying temperature until the next switch in the program If the thermostat is in programmed mode, but you want to temporarily change the set temperature until the next program switch, you can do so as follows: •...
  • Page 40: Practical Advices

    12. PRACTICAL ADVICES, TACKLING ANY PROBLEMS THAT MAY OCCUR Problem with the Wi-Fi connection When the product cannot be connected to a Wi-Fi network or cannot be controlled via the Internet because the connection between the product and the Internet interface is lost and the application indicates that the device is not available, we recom- mend to check the list of Frequently Asked Questions (FAQs) collected on our website and follow the steps described there.
  • Page 41 The vast majority of the problems encountered can be solved easily by using the hints available on our website, without seek- ing professional help.
  • Page 42: Technical Data

    13. TECHNICAL DATA • Trademark: COMPUTHERM • Model identifier: E300 • Temperature control class: Class I • Contribution to the efficiency of seasonal space heating: 1 % • Temperature measuring range: 0 °C - 50 °C (0.1 °C steps) - internal sensor 0 °C - 99 °C (0.1 °C steps) - floor temperature sensor • Temperature measurement accuracy (floor and internal temperature...
  • Page 43 • Operating relative humidity: 5% - 95% without condensation • Protection against environmental impacts: IP20 • Standby power consumption: max 0.5 W • Dimensions: 86 x 86 x (17 + 33) mm • Mass: thermostat: 175 g + floor temperature sensor: 60 g • Type of the temperature sensor (floor and internal temperature sensors): NTC 3950 K 10 kΩ...
  • Page 44 The COMPUTHERM E300 type Wi-Fi thermostat complies with directives RED 2014/53/EU and RoHS 2011/65/EU QUANTRAX Ltd. Manufacturer: Fülemüle u. 34., Szeged, H-6762, Hungary Phone: +36 62 424 133 • Fax: +36 62 424 672 E-mail: iroda@quantrax.hu Web: www.quantrax.hu • www.computherm.info Origin: China Copyright © 2020 Quantrax Ltd. All rights reserved.

This manual is also suitable for:

E300

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