Computherm E400RF Instruction Manual
  1. Manuals
  2. Brands
  3. Computherm Manuals
  4. Thermostat
  5. E400RF
  6. Instruction manual

Computherm E400RF Instruction Manual

Wi-fi thermostat
Hide thumbs
Table of Contents

Advertisement

Quick Links

COMPUTHERM E400RF
Wi-Fi thermostat
Instruction Manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the E400RF and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Computherm E400RF

Summary of Contents for Computherm E400RF

  • Page 1 COMPUTHERM E400RF Wi-Fi thermostat Instruction Manual...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. A GENERAL DESCRIPTION OF THE THERMOSTAT 2. IMPORTANT WARNINGS AND SAFETY RECOMMENDATIONS 3. MEANING OF THE LED LIGHTS ON RECEIVER UNIT 4. INFORMATION APPEARING ON THE DISPLAY OF THE THERMOSTAT 5. FUNCTIONS ACCESSIBLE IN THE PHONE APPLICATION 6.
  • Page 3 10.2. Disabling further connections of the thermostat assigned to the application 10.3. Deleting the thermostat assigned to the application 10.4. Setting the day and time 10.5. Locking operating buttons 11. Operation-related settings 11.1. Selecting the switching sensitivity (DIF) 11.2. Calibration of the temperature sensor (ADJ) 11.3.
  • Page 4 - 4 -...

  • Page 5: A General Description Of The Thermostat

    1. A GENERAL DESCRIPTION OF THE THERMOSTAT COMPUTHERM E400RF Wi-Fi thermostat is a switching device that can be op- erated 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...
  • Page 6 – the optimal location of the device can be selected during operation, – it is also advantageous when you intend to locate the thermostat in different rooms in the course of the day (e.g. in the living room during the day but in the bedroom at night).
  • Page 7 The simultaneous use of several COMPUTHERM room thermostats and one COMPUTHERM Q4Z zone controller provides the possibility to e.g. in addition to starting the heater or cooler, a particular thermostat must also control a pump or a zone valve. In this way, it is easy to divide a heating / cooling system into zones, thanks to which the heating / cooling of each room can be controlled separately, thus greatly increasing comfort.

  • Page 8: Important Warnings And Safety Recommendations

    only heat / cool the rooms where it is required. 2. IMPORTANT WARNINGS AND SAFETY RECOMMEN- DATIONS • Before starting to use the device, please study carefully the instructions for use and follow strictly the instructions therein. • The thermostat was designed for business or household (not industrial) use, and can be used to control any electric device whose performance does not exceed 2.3 kW (loadability: max.

  • Page 9: Meaning Of The Led Lights On Receiver Unit

    that this option has been chosen among settings (see Chapter 11). If you intend to use the device in an environment where power outages occur fre- quently, for safety purposes we propose you to control proper operation of the thermostat regularly. •...

  • Page 10: Information Appearing On The Display Of The Thermostat

    • The illuminated green LED indicates that the receiver is properly powered and ready to use. • The orange LED flashes every second to indicate normal operation of the receiver. • The illuminated red LED indicates that the output of the receiver is on. 4.

  • Page 11: Functions Accessible In The Phone Application

    5. FUNCTIONS ACCESSIBLE IN THE PHONE APPLICATION Figure 2 - 11 -...

  • Page 12: Location Of The Thermostat And The Receiver Unit

    (e.g. solar radiation, refrigerator or chimney). Its optimal position is at a height of 0.75-1.5 m from the floor level. The receiver of the COMPUTHERM E400RF thermostat should be installed near the boiler, in a place protected from moisture, dust, chemicals and heat.

  • Page 13: Connection And Installation Of The Thermostat And The Receiver Unit

    7. CONNECTION AND INSTALLATION OF THE THER- MOSTAT AND THE RECEIVER UNIT Attention! Make sure that the COMPUTHERM E400RF thermostat and the apparatus to be controlled are de-energized while putting them into op- eration. The device should be installed and put into operation by a com- petent person! If you do not possess the necessary skills and qualifica- tions, please get in touch with an authorized service.

  • Page 14: Putting The Receiver Unit Into Operation

    Figure 3 7.2. Putting the receiver unit into operation To put the receiver into operation, snap the front of the receiver unit off the back part using a flat-blade screwdriver. To remove the front panel, press the retaining claws on the top and bottom of the product. After this, the front panel of the receiver should be removed from the back panel and then the back pan- el should be fixed to the wall near the boiler with the supplied screws.

  • Page 15: Connecting The Receiver Unit To The Mains

    that are normaly open (Figure 4). In case the device to be controlled does not have a thermostat connection point, the power supply wire of the device to be controlled must be disconnect- ed and connected to the NO and COM connection points of the thermostat (Figure 5).

  • Page 16: Synchronization Of The Thermostat And The Receiver Unit

    7.3. Synchronization of the thermostat and the receiver unit The two units are syncronized in the factory. The thermostat and its receiver have their own security code, which guarantees the safe operation of the devi- ce. If for some reason the thermostat and its receiver unit do not communicate with each other, or if you do not want to use the factory-paired thermostat and receiver together, make the following steps to syncronized the thermostat and the receiver unit:...

  • Page 17: Setting Up The Internet Control

    The thermostat repeats the on/off commands to the receiver unit every 5 mi- nutes. 8. SETTING UP THE INTERNET CONTROL 8.1. 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 - 17 -...

  • Page 18: Connecting The Thermostat To A Wi-Fi Network

    8.2. Connecting the thermostat to a Wi-Fi network To be able to control the device remotely, you need to be connected to the Internet via a Wi-Fi network. The already configured COMPUTHERM E400RF can work according to a pre-set program without the need for a permanent Internet connection.
  • Page 19 Join 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 access to the application in order for it to work properly.

  • Page 20: Connecting The Thermostat To The Application

    8.3. Connecting the thermostat to the application • You can search for COMPUTHERM E400RF 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 21: Basic Operation Of The Thermostat

    (PV) and set (SV) temperatures. Attention! If you want to avoid that other users can add your COMPUTHERM E400RF thermostat to their phone applications, you can disable this opera- tion as described in Sub-chapter 10.2.

  • Page 22: Basic Settings

    10. BASIC SETTINGS After the application has been started, COMPUTHERM E Series thermostats assigned to the application concerned appear on page “My Thermostat’s”. 10.1. Renaming the thermostat assigned to the application To modify the factory name, tap and hold the thermostat concerned within the application until a pop-up window with the name of “Edit Thermostat”...

  • Page 23: Deleting The Thermostat Assigned To The Application

    Wi-Fi network. Attention! When a phone/tablet has already been connected to the Wi-Fi network concerned and application COMPUTHERM E Series has been ope- ned on it then addition of the thermostat to this phone/tablet cannot be di- sabled with function “Lock current thermostat”...

  • Page 24: Locking Operating Buttons

    the numbers indicating the hour are flashing on the display. With the help of the buttons set the exact hour then tap the button again. Then the numbers indicating the minute are flashing on the display. With the help of the buttons set the exact minute then tap the button again.

  • Page 25: Operation-Related Settings

    operating buttons tap and hold the icon for long (for approx. 10 seconds) until the icon disappears on the display of the thermostat. 11. OPERATION - RELATED SETTINGS For the operation of the thermostat some functions can be set. Operation-re- lated settings can be performed in the following way: •...
  • Page 26 - wait 15 seconds until the thermostat display returns to the main screen, - scroll through the settings by pressing the button. The setting options are shown in the table below: Display Function Setting Options Default Setting Detailed Description Chapter 11.1 Selecting switching sensitivity 0.1 - 1.0 °C 0.2 °C...

  • Page 27: Selecting The Switching Sensitivity (Dif)

    11.1. Selecting the switching sensitivity (DIF) It is possible to set the switching sensitivity. By setting this value, you can specify how much the appliance switches the connected device on/off below/ above the set temperature. The lower this value, the more uniform the internal temperature of the room, the greater the comfort will be.

  • Page 28: Antifreezing (Fre)

    11.3. Antifreezing (FRE) When the antifreezing function of the thermostat is activated, the thermostat will switch on its output, regardless of any other setting, when the temperature measured by the thermostat goes below 5 °C. When the temperature reaches 7 °C, normal operation of the output is restored (according to the set tempera- ture).

  • Page 29: Restoring Default Setting (Fac)

    11.6. Restoring default setting (FAC) All settings of the thermostat, except for date and time, will be restored to fa- ctory setting. To restore factory setting, after selecting FAC setting option and tapping the button several times, switch over the appearing 08 setting to .

  • Page 30: Manual Mode

    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. 10 seconds then falls back to basic level.

  • Page 31: Programmed Auto Mode

    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. The temperature to be maintained by the thermostat can be specified in 0.5 °C steps (the minimum and maximum values of the adjustable range are 5 °C and 99 °C, respectively).

  • Page 32: Description Of The Steps Of Programming

    ram the thermostat: • 5+2 mode: setting 6 switches per day for 5 working days and 2 swit- ches per day for 2 days of the weekend • 6+1 mode: setting 6 switches per day from Monday till Saturday and 2 switches on Sunday •...
  • Page 33 c) Switches belonging to a given programming mode are below the indication of the programming mode. You can modify data (time, temperature) of switches by tapping the value concerned. d) To complete programming and return to the screen belonging to the ther- <...

  • Page 34: Modifying Temperature Until The Next Switch In The Program

    times (temperature, hour value of the time, minute value of the time). - Values are always set by buttons. After the program of weekdays has been set, you can set the program of the days of the weekend. The day and switch being set are shown by the icon flashing on the display.

  • Page 35: Practical Advices

    The „Modify temperature until the next switch in the program” mode is marked as follows: • In the phone application: with the icon • On the thermostat: with the icons 13. 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 cont- rolled via the Internet because the connection between the product and the Internet interface is lost and the application indicates that the device is not...
  • Page 36 The vast majority of the problems encountered can be solved easily by using the hints available on our website, without seeking professional help. If you have not found a solution to you problem, please pay a visit to our qualified service.

  • Page 37: Technical Data

    14. TECHNICAL DATA • Trademark: COMPUTHERM • Model identifier: E400RF • Temperature control class: Class I • Contribution to the efficiency of seasonal space heating: 1 % • Temperature measuring range 0 °C – 50 °C (in 0.1 °C increments) •...
  • Page 38 Technical data of the reciver unit: • Power supply voltage: 230 V AC, 50 Hz • Switchable voltage: Max. 24 V DC / 250 V AC • Switchable current: 10 A (3 A inductive load) • Operating frequency: 433 MHz •...
  • Page 39 - 39 -...
  • Page 40 The COMPUTHERM E400RF type Wi-Fi thermostat complies with Directives RED 2014/53/EU and RoHS 2011/65/EU QUANTRAX Ltd. 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.info Country of origin: China...

Table of Contents

Save PDF