REMEHA i Sense User Manual
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REMEHA i Sense User Manual

Timer thermostat
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Summary of Contents for REMEHA i Sense

  • Page 1 Sense Timer thermostat User manual...

  • Page 3: Table Of Contents

    Contents 5.4 Setting the control strategy ..14 1. Introduction ........5.5 Setting a holiday program ..17 2. Overview ..........5.6 Other settings ......18 2.1 Display ......... 6. Using the iSense ......19 2.2 Buttons ......... 6.1 Selecting a program ....19 3.

  • Page 4: Introduction

    This manual covers both versions. Where information only pertains to one of the two versions then this is clearly stated. A full description of the Remeha iSense can be found in the Installation and Service manual. This can be downloaded from www.remeha.nl.

  • Page 5: Display

    2.1 Display Pictograms Time Temperature Textbox menus Mode button A Mode button B Menu Program T000060-06-A Most important pictograms Clock program active Controller requesting heat Continuous day temperature Central heating boiler on for hot water Continuous night temperature Central heating boiler on for central heating Frost protection Summer mode Warning symbols...

  • Page 6: Buttons

    2.2 Buttons The function of button A and button B depends on the task you are carrying out. The function is shown in the display, immediately above the buttons. Button C is a push-turn button. You press it to T000059-06-B confirm choices, such as menu selections. By turning it you can perform various tasks such as scrolling through menus or changing values such...

  • Page 7: Installation

    3. Installation 3.1 Location of the thermostat The iSense is set to room control by default, which means that the inside temperature is used to control the central heating. That is why it is best to locate the iSense on an internal wall in the room in which you spend the most time, such as the living room.

  • Page 8: Installation And Connection

    3.2 Installation and connection The following must be done before you install and connect the iSense: • Adjust the boiler so that it can be connected to an OpenTherm thermostat. • Turn off the boiler. Consult the boiler documentation for this process. Do this as follows: 1. Open the housing by pulling the front and the base plate apart. T001046-C 2.

  • Page 9: Location Of The Outside Sensor

    4. Place three AA batteries in the thermostat if required. These are not provided. The batteries ensure that the clock keeps running when the boiler is switched off. The batteries also power the backlight for the iSense for boilers that do not have OpenTherm Smart Power. If you have a boiler with Smart Power, then the backlight for the iSense also works without batteries. T001042-B (iSense RF only) Place 3 AA batteries in the thermostat. These are required to operate the iSense RF.

  • Page 10: Prior To First Use

    4. Prior to first use 4.1 Setting language, time and date The menu for selecting the language (international version) or setting the time (Dutch version) appears when you connect the iSense. 1. Select the desired language if applicable by turning button C and then push button C to confirm. 2. Follow the instructions on the display to select the time, year, month and day. The controller is now ready for use. After installation, the default program is activated (see paragraph 4.2). The temperature is now controlled by this clock program.

  • Page 11: Setting

    Clock program The default clock program sets the temperature each day as follows: • 06:00 – 19:00: 20°C (7 days) • 19:00 – 23:00: 21°C (7 days) • 23:00 – 06:00: 15°C + (7 days) You can of course adapt the clock programs to your own requirements. See Chapter 5. 5. Setting 5.1 Three usage modes The iSense has three usage modes: B asic: no clock programs are used in this mode.

  • Page 12: Creating Or Changing A Clock Program

    5.2 Creating or changing a clock program A clock program automatically controls the temperature for a day, and can be set for each individual day. You can adjust the default clock program or enter a completely new program. The iSense starts pre-heating prior to the set time by default, so that the room has reached the desired temperature at the correct time.
  • Page 13 An example of an overview is shown below: Time 7:00 9:00 11:00 13:00 15:00 17:00 19:00 21:00 23:00 0:00 T001003-06-A There is an overview template at the back of this manual that you can use for your own clock program.
  • Page 14 Creating a new clock program 1. Select Menu > Program > Clock program > New. 2. Select an initial program if appropriate (Daytime home, Midweek home or Weekend home). You can now create your own clock program based on this program. Press button C to confirm. 3. Go to the day for which you want to set the clock program. Press button C to confirm.
  • Page 15 Changing an existing clock program 1. Select Menu > Program > Clock program > Change. 2. Go to the day for which you want to change the clock program. Press button C to confirm. 3. Go to the time you want to change. Press button C to confirm. You can use the Remove button to remove the selected switch time. 4.

  • Page 16: Setting Continuous Temperatures

    5.3 Setting continuous temperatures Instead of the clock program, you can also set the room temperature continuously to a particular value. You can set three different continuous temperatures via Menu > Program: • Day temp.: room temperature during the day, corresponding to the “Continuous day” program.

  • Page 17: Setting The Control Strategy

    5.4 Setting the control strategy The iSense lets you use the room control and/or weather-compensated control strategies in various ways. You can select a control strategy via Menu > Settings > System > Control strategy. Specific settings for weather-compensated control If you have opted for a weather-compensated control strategy, a number of extra settings are available via Menu >...
  • Page 18 higher than the night temperature that has been set via Menu > Program > Night temperature • Night temperature limit: outside temperature above which the central heating is switched off during the night. The night temperature limit is relevant when the desired room temperature is the same as or lower than the night temperature that has been set via Menu >...
  • Page 19 Heating curve – an example Climate point Increased room temperature during the day Desired room temperature of 20ºC during the day Desired room temperature of 15ºC during the night Base point Outside temperature (ºC) T001032-06-A See also see day/night temperature limit 12.4 The settings for the heating curve are highly dependent on the design of the central heating system and the home.

  • Page 20: Setting A Holiday Program

    5.5 Setting a holiday program It can be useful to set a holiday program if you are away from home for some time. This ensures a constant temperature in your home for the period you set. You set the temperature yourself. A holiday program automatically takes effect at 0.00 hours on the start date and ends at 0.00 on the end date.

  • Page 21: Other Settings

    5.6 Other settings You can change a number of settings via the Settings menu. These are summarised here; a more detailed explanation can be found in the Installation and Service manual. • Language and display settings. • Calibration: you can calibrate the sensor by positioning an accurate thermometer next to the controller.

  • Page 22: Using The Isense

    6. Using the iSense 6.1 Selecting program You can select one of the following programs via Program in the main display: • Clock program: the central heating temperature is controlled by the program you have set. • Continuous day: the temperature remains constant at the day temperature you have set. • Continuous night: the temperature remains constant at the night temperature you have set.

  • Page 23: Fireplace Mode

    3. Press Adjust date if you also want to set an end date for the manually selected temperature, and select this time using push-turn button C. 4. Press button C to return to the main menu or wait five seconds until the thermostat automatically returns to the main menu. Press the Next program button to cancel the manual temperature change. 6.3 Fireplace mode Once the temperature has reached the desired level in the room where the iSense has been positioned, the central heating switches off. This may be inconvenient if, for example, you have an open fire or if a lot of...

  • Page 24: Information

    We advise that you close the radiator valves in the room in which the iSense has been positioned to prevent the room temperature there becoming too high. The controller switches to weather-compensated control if the outside temperature sensor is used. 6.4 Information You can request operating information about your central heating system, such as the water pressure in the central heating system and various temperatures, via Menu >...

  • Page 25: Fault Messages

    7.1 Fault messages F200: No connection to outside sensor Fault indication Fault code F200 are lit up. No connection to outside sensor. Display text Solution Check the boiler's connection to the outside temperature sensor. T001014-06-A F203: Faulty connection to boiler Fault indication Fault code F203 is lit up.
  • Page 26 F214: Incorrect room temperature reading Fault indication Fault code F214 is lit up. Display text Room temperature is out of measuring range or sensor is defective. Solution Room temperature reading is incorrect. If the room temperature is between -5ºC and 65ºC, the temperature sensor may be faulty. Contact your installer.
  • Page 27 F216: No connection with base station (iSense RF only) Fault indication Fault code F216 are lit up. Display text Wireless communication fault. Solution Check whether the iBase for the boiler is on and is functioning correctly (consult the transmitter manual if necessary). If there is no connection between the iSense and iBase, then restore the connection as follows: Put the iBase in connection mode.
  • Page 28 Water pressure too low Fault indication Current water pressure are lit up. Display text The water pressure in your central heating system is too low. Solution Top up the water in the central heating system. See the documentation for your boiler. T001011-06-A E-code: boiler failure Fault indication...

  • Page 29: Service Message

    Controller batteries flat Fault indication are lit up. Display text Solution The batteries are almost empty. Replace the three AA batteries. T001016-06-A 7.2 Service message Boiler service required Fault indication Display text Maintenance service type (A, B or C) required. Contact your installer. is lit up.

  • Page 30: Problems And Solutions

    8. Problems and solutions Problem The central heating is coming on too early in the morning. Solution Adjust the Max. pre-heating time setting (see the installation and service manual). The home may well not be up to temperature on time as a result. T001019-06-A Problem The home is not warm on time.
  • Page 31 Problem The house is too warm. Solution Weather-compensated control means that no account is taken of the measured room temperature. Solve the problem in one of the following ways: - Set the radiator thermostat valves correctly. - Reduce the heating curve (see the installation and service manual). - Change the control strategy (see the installation and service manual).
  • Page 32 Problem It takes too long for the tap water to get up to temperature. Solution - Boiler: the DHW standby function may be switched off. In that case the symbol is shown in the display. Control the DHW standby with the DHW standby setting (see the installation and service manual).
  • Page 33 Problem The boiler starts heating the home or the tap water at night even though the controller is set low. Solution - Weather-compensated control (OTC) means that the boiler is controlled by the outside temperature. This can be prevented by adjusting the Night temperature limit or selecting another control strategy.
  • Page 34 Problem The temperature measurement differs from that which I am used to. Solution Correct the temperature measurement via the Calibration setting (see the installation and service manual). T001025-06-A Problem The display does not function. Solution Check that the wiring is correct and that the plug for the boiler is in the wall socket.

  • Page 35: Technical Specifications

    9. Technical specifications Dimensions 96 x 144 x 34 (l x w x h) in mm Height excluding buttons 96 x 144 x 25 (l x w x h) in mm Power supply iSense OpenTherm Via OpenTherm iSense RF Via batteries Electrical connection iSense OpenTherm OpenTherm communication. Connection for low-voltage wires iSense RF Bi-directional secure communication Batteries 3 x AA batteries. Lifetime: dependent on the brand of battery Digital input Potential-free contact (switch) Ambient conditions Storage conditions Temperature: -25°C – 60°C...
  • Page 36 The measurement is taken in the boiler and passed to the controller. Outside temperature Consult the boiler documentation regarding the accuracy of the measurement. Set temperature range 5 – 35°C Calibration options Inside and outside temperature sensor: -5 to + 5 in steps of 0.5°C Control Modulating temperature control The control can be optimised Room control Overshoot: maximum 1°C after pre-heating Temperature variation: less than 0.25°C Control strategies Room temperature control...
  • Page 37 Setting accuracy Temperature: 0.5°C. Clock program: 10 minutes Approximately 8 metres through 2 concrete layers (depending on the Wireless range (iSense RF) surroundings, see paragraph 3.1) Operation Menu-controlled using push buttons and a push-turn button Installation Directly on the wall using screws or built-in junction box as per standards. Built-in system possible using built-in part (art. S100994) Quality marks and EMC: 89/336/EEC – EN50165(1997), 55014, 55022 compliance with standards Emission EN61000-6-3 Immunity EN61000-6-2 Drop test: IEC 68-2-32 RoHS compliant OpenTherm V3.0 certified (iSense OpenTherm only) ETSI 220-300 TBD (iSense RF only) Protection class IP20 for wall installation, IPx4 for the built-in system.

  • Page 38: Appendix: Clock Program Template

    Appendix: clock program template Time Time 0 0 . __ 12 ._ _ 0 1 . __ 13 ._ _ 0 2 . __ 14 ._ _ 0 3 . __ 15 ._ _ 0 4 . __ 16 ._ _ 0 5 .
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