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Related Manuals for Lorenzoni LOR-THERM 205
Summary of Contents for Lorenzoni LOR-THERM 205
- Page 1 INSTRUCTION MANUAL LOR-THERM 205 Cod. 523.0000.101...
- Page 2 For the guarantee to be valid, the product must be installed and operated as indicated in this manual. This means it is extremely important that you read the manual. This applies both to the person installing the thermostat and the person who is going to use it. You will also find troubleshooting details and technical specifications.
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Page 3: Table Of Contents
Introduction ..........28 In the package .......... 29 Installing the thermostat ...... 30 Getting started .......... 33 How the thermostat works ....34 Symbols on the display ......40 How to set the thermostat ....41 Energy saving programs ......45 Troubleshooting ........ -
Page 4: Introduction
Introduction This is a microprocessor-controlled thermostat with LCD display. The dis- play has dimmed background lighting which lights up fully by pressing any button. The display stays lit for 30 se- conds after the last button pressed. The front is fitted with an on/off button and three control buttons. -
Page 5: In The Package
In the package 1. Front for Elko, Gira, Busch-Jaeger, Jussi frame systems. 2. Adapter for Strömfors frame system 3. Front for Eljo Trend, Merten 4. Frame 5. Thermostat 6. Floor sensor 7. Connection clip Manual Quick guide... -
Page 6: Installing The Thermostat
Installing the thermostat Important the thermostat must not be installed where it may be exposed to the following: • direct sunlight and draughts. • extreme fluctuations in temperature or high air humidity. The floor sensor should be mounted in a spiral hose laid in the floor. - Page 7 incoming feed and for the heating cable are connected with a connection clip in the box. See wiring diagram below. 4. Insert the thermostat into the appliance box and screw tight with the existing screws. 5. Fit the frame and front. 6.
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Page 8: Getting Started
Getting started After installation, wait 2-4 weeks before starting the underfloor heating. Precisely how long you wait depends on the type of floor you have and the instructions for the floor filler. Then increase the heat gradually. This does not apply to those who have laid a wooden/laminate floor on the floor heating. -
Page 9: How The Thermostat Works
How the thermostat works This section describes all you need to know about how the thermostat works. To learn how to enter settings to suit your own requirements, read the How to set the thermostat section. On/off button Temperature Selected control Selection button Display The light in the LCD display is fully... -
Page 10: Using The Buttons
If the display is empty, it means that the thermostat is turned off or that it is not connected to the power supply. When the thermostat is started for the first time the display shows the factory settings as shown in the illustration. How to enter personal settings is des- cribed in the How to set the thermostat section. - Page 11 Turning on and off Keep the on/off button pressed for one second to get to standby mode. Return to normal mode by once again pres- sing the button for a second. The heating cannot be controlled in standby mode. The clock runs as nor- mal, and selected programmes and set temperatures are stored in the memory.
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Page 12: Adaptive Function
Floor thermostat. Otherwise the actual temperature (R) in the room is display- ed. The temperature is shown for 30 seconds after the last button pressed. Time and date Time is set in 24-hour format. The correct day of the week is worked out automatically. - Page 13 Ventilation mode If the room temperature falls by more than 3°C in a single minute, e.g. when airing the room, the ventilation mode is activated. The thermostat will then stop heating for 15 minutes before returning to normal mode. This function is always active.
- Page 14 How you select the function you want is described in the How to set the ther- mostat/Control functions section. Floor thermostat - A sensor in the floor meas- ures the temperature and then regulates the heating accordingly. If the floor sensor is connected when the thermostat is turned on for the first time, this function is selected automatically.
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Page 15: Symbols On The Display
Symbols on the display 1. Selected menu/LOCK for locked keypad 2. Heating symbol 3. Current temperature (actual value) /Set temperature (set point) °C 4. Symbol for energy saving programs, office 5. Selected control 6. Symbol for energy saving programs, home... -
Page 16: How To Set The Thermostat
How to set the thermostat This section describes how to set the thermostat to suit your requirements. By entering these settings you can fully utilise the underfloor heating system to meet your own heating require- ments. If you want to find out more on how to scroll the menus or use the keypad, read the How the thermostat works section. - Page 17 Light and contrast Set the display background lighting The display stays lit for 30 seconds after the last button pressed. The light then dims again. It is also possible to set the display to turn the light off entirely. Press and scroll to SET. Select with . Scroll to DISP and select with .
- Page 18 First set the hours by scrolling to the correct time and confirm with . Set the minutes in the same way and confirm with . Set the day, month and year in the same way. Confirm with . The week- day is not shown in the display, but the system set the correct weekday automatically.
- Page 19 Control functions These are described in more detail in the How the thermostat works/Control functions section. Select control function Press and scroll to SET. Select with . Scroll to RNF and select with . The symbol for the current function (R, F or R &...
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Page 20: Energy Saving Programs
Energy saving programs A smart way to save energy is to adapt the heating to your actual daily requirements and, for example, lower the temperature when the house is empty. There are two preset program options for temperature reduction in the thermostat : one for home and one for office users. - Page 21 Stop a program Press and scroll to PROG. Select with The current program symbol flashes. Scroll until none of the symbols flash and confirm with . Different program options The two preset programs are suitable for most home and office environ- ments.
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Page 22: Troubleshooting
Troubleshooting Important The underfloor heating system is an electrical power installation and any faults must therefore be rectified by a quali- fied electrician. Error codes When an error occurs, the thermostat will turn off the heating. The display flashes and shows a flashing error code. E1: Short circuit in room sensor. -
Page 23: Technical Specifications
Technical specifications Voltage 230 VAC-50 Hz Air temp. range 5-37 °C Floor temp. range 5-37 °C Temp. limiter 5-45 °C Breaking capacity 16A/230 VAC/ single-pole Connection cable max 2.5 mm Load cos φ = 1 Hysteresis +- 0.3 °C Protection class IP21 Run reserve Max.
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