Table of Contents
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Table of Contents
Related Manuals for harmoni 25
Summary of Contents for harmoni 25
- Page 1 installation guide digital timer thermostat www.harmonithermostat.co.uk...
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Page 2: Table Of Contents
installation guide Contents Page Introduction .............. Button and display description ........ Installing and wiring the thermostat ......Basic functionality ............ 4.1 Select how to control your floor heating system ... 4.2 Recommended settings ........4.3 Setting the clock ..........4.4 Setting the maximum floor temperature ....4.5 Reading the floor temperature ...... -
Page 3: Introduction
Introduction harmoni 25 is an advanced digital timer thermostat used for controlling electrical underfloor heating elements. The thermostat is designed for fixed installation only. It can be used to control your floor heating system by either the floor temperature, the room temperature or both together. -
Page 4: Button And Display Description
installation guide Button & display description Thermostat on Frost protection Day of the Time mode mode activated week activated Current room Heating temperature element warming Current floor temperature On/Off Clock Down Mode... -
Page 5: Installing And Wiring The Thermostat
Installing & wiring the thermostat 3 To mount the thermostat to the wall Push in tabs box/socket, open the thermostat by gently pushing in the two tabs at the bottom of the casing with a screwdriver. To fix the thermostat, attach the cables (see wiring diagram below) and screw into the wall box/socket. -
Page 6: Basic Functionality
installation guide Basic functionality Power on/off Press to turn the thermostat on or off 4.1 Select how to control your floor heating system This can be controlled by pressing mode : a) Floor temperature: Mode 2 The heating element turns on/off around a floor temperature setpoint (the temperature shown in the display is the actual floor temperature). -
Page 7: Recommended Settings
After choosing the desired mode do not press any further buttons and the thermostat will go back to normal standby mode. 4.2 Recommended settings harmoni recommends the following settings for different types of floor constructions: Program mode Top flooring †... -
Page 8: Setting The Clock
installation guide Basic functionality 4.3 Setting the clock Press once and the hour will flash. Use the (Up/Down key) to select the hours. Press again until minutes flashes. Use the (Up/Down key) to select the minutes. Press button again until the week day flashes. Use the (Up/Down key) to select the day of the week. -
Page 9: Frost Protection Mode
Change the floor temperature max. limit (mode 3 & 5) Make sure the thermostat is turned off. Hold the button for 10 seconds until the display shows Release the button and the display will show Enter the maximum floor temperature (range 20°C–45°C). -
Page 10: Timer Functionality
installation guide Timer functionality 5.1 Activating timer mode With the thermostat turned on, press the button for 3 seconds. The following settings will be available: 00 = Override (disable timer functionality) 01 = Programmable. And the display will show Leave the thermostat and the display will return to normal. 5.2 Programming the timer (mode 1) When programming you need to select Programmable... - Page 11 Example, weekdays: Period 1 starting at 07.00: Temperature setting 22°C Period 2 starting at 08.30: Temperature setting 18°C Period 3 starting at 17.00: Temperature setting 22°C Period 4 starting at 23.00: Temperature setting 18°C Example, weekend: Period 1 starting at 09.00: Temperature setting 22°C Period 2 starting at 23.00: Temperature setting 18°C...
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Page 12: Programme Your Settings
installation guide Timer functionality 5.3 Programme your settings Press the for 3 seconds until the number “1” and “Mo Tu We Th Fr” are displayed. The first switching time for weekdays can now be programmed. (Up/Down key) to set the required start time. Press to confirm this setting. -
Page 13: Technical Specifications
Technical specifications External sensor NTC 10 kOhm at 25° C Sensor values: 15°C 14.8 kOhm 18°C 13.1 kOhm 20°C 12.1 kOhm 22°C 11.2 kOhm Display Power consumption <2W Set-point range Room: 5°C to 35°C Floor: 20°C to 35/45°C Accuracy ±1°C... -
Page 14: Disposal Information & Notes
installation guide Disposal information Notes... -
Page 15: Warranty
....................................County ......... Postcode......Address ................. Phone ..................Email ..................Please note In order to obtain the harmoni 2-year warranty, an authorised electrician/installer must fill in the details below. Electrician Installation /Installer ..........date ......Thermostat Article name .......... - Page 16 This also applies to products already on order provided that such alterations can be made without subsequent changes to specifications already agreed. All trademarks in this material are the property of harmoni. harmoni and the harmoni logotype are trademarks of Edison House Ltd. All rights reserved.