HEATMAT NGT-567-0010 (01) PDF MANUAL


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PDF Content Summary: USER MANUAL NGT-567-0010 Thermostat Contents Introduction .............................................................2 First time settings ...................................................2 General operation ...................................................2 Back......................................................................2 Exit ........................................................................2 Operation mode ......................................................2 Auto mode ...........................................................2 Manual mode .......................................................2 Comfort mode ......................................................2 Thermostat setup menus .......................................2 4-event settings ......................................................2 User settings ...........................................................3 Time and date ......................................................3 Child lock .............................................................3 Display settings ...................................................3 4-event schedule .................................................3 Energy monitor ....................................................3 Engineer settings ....................................................3 Offset temperature................................................3 Adaptive function..................................................3 Application ............................................................3 Temperature scale ................................................4 Backlight ...............................................................4 Floor sensor ..........................................................4 Factory reset .........................................................4 Information ...........................................................4 Back......................................................................4 Exit ........................................................................4 Error messages ......................................................4 Factory settings ......................................................4 Preset schedule ....................................................4 Developed by OJ Electronics A/S - oj.dk 1 © 2010 OJ Electronics A/S and Heat Mat Limited Menu 14:08 Wed20°C Comfort Menu Manual 4-Event settings User settings Engineer settings Exit Time and date Offset temp. Child lock Adaptive function Display settings Application 4-Event schedule Temp scale Energy monitor Backlight Back Sensor Exit Factory reset Information Back Exit Type NGT-567-0010 English

Introduction The NGT thermostat can switch your underfloor heating system on and off at predetermined times throughout the week. Each day of the week is split up into four separate periods, each of which can have a different target temperature. This allows you to lower the temperature in rooms that are unoccupied at different times reduc- ing your energy usage without reducing your comfort. Your NGT thermostat comes ready programmed with a default schedule which is suitable for most homes. If you do not change the settings your thermostat will follow the default schedule. Your thermostat also features an adaptive function that learns how long the floor takes to heat up and cool down as the seasons change and takes this into account when turning the heating on and off. This ensures the room is always up to temperature at the desired time. The adaptive functions fuzzy logic takes three days to learn the heat characteristics of the room before it operates ef- ficiently. First time settings The first time you switch the thermostat on the time, application, floor type and load must be set. The menu will automatically guide you through the process. • Set the hour and press the OK button. Then set the minutes. Press OK. • Now set the date: year, month and day. Confirm the settings with the OK button. The next menu allows you to select the application you want the thermostat to run on.If the thermostat is in the room to be heated select Room/limit. If the thermostat is outside of the room to be heated select Floor. Once you have chosen your setting press OK. You now need to select your chosen floor covering so the thermo- stat can take this into account on it’s settings. Select your chosen floor covering and press OK. You now need to enter the loading of the system, this is the kW output of the heating system powered by the thermostat. Select the appropriate loading and then press OK. Back In various parts of the menus and submenus you will find the Back menu item. Use Back to return to the previous screen Exit Exit returns you to the main operating screen. Operation mode The thermostat features three different modes of temperature control: Auto mode Select Auto if you want the temperature to be controlled auto- matically via the 4-event schedule. Manual mode Select Manual to cancel the programmed 4-event schedule (e.g. during holidays) and to set the required temperature manually. You may, for example, want to adjust the temperature to 5°C for frost protection while you are away. • Press Manual, confirm with OK and choose the required tempera- ture. Comfort mode Select Comfort to set a temporary comfort temperature (so-called party mode) for a single event. • Press Comfort, confirm with OK and choose the required tem- perature. Then enter the required duration of comfort mode. After the set time has elapsed, the thermostat will automatically revert to Auto mode. Please note: Comfort mode is a temporary manual setting that will be automatically cancelled by the next event in the programmed 4-event schedule. Thermostat setup menus The menu allows you to select the following options: The thermostat is now ready for use and your underfloor heating will operate in accordance with the pre-programmed 4-event schedule. See Factory Settings for full details of this. 4-event settings The four event settings allow your thermo- stats to control the temperature automatically in accordance with the program of your own choice. You can select temperature settings for four different periods during the day:  OK  4-Event settings 4-Event settings Power interrupter 14:08 Wed20°C Daytime Daytime Navigation buttons General operation The on/off button allows you to turn the thermostat on “I” and off “0” by sliding the button up and down. When the thermostat is switched off “0”, the relay disengages and your underfloor heating system will not heat up whatever the temperature. All settings, including time and date, will be saved into the thermostats memory. The thermostat is simple to use and program by using the navigation buttons. The function of each button is indicated above the button in the display. The thermostat is pre-programmed with a 4-event schedule for simple and economic heating control, see Preset schedule under Factory settings. The schedule can be easily changed in the follow- ing way: 1. Press the OK button to activate the 4-event settings display. 2. Choose the days for which you want to change the settings, Mon-Fri or Sat-Sun using the up or down button. Press OK. 3. Now select the time and temperature for each daily event in the program. Press OK and set the start time for the event concerned. Confirm with OK. Set the temperature for this event and confirm with OK. 4. After setting the required events, select Exit in the menu to return

2 © 2010 OJ Electronics A/S and Heat Mat Limited

Comfort Menu Manual Morning Afternoon/evening

Overnight to the initial display. Type NGT-567-0010 English Temp Time per cent (%) shows the relative amount of time the heating has been on. The actual running cost shown on the screen is a calculated Min Max figure. To ensure this figure is correct you should ensure the informa- 5.0°C  25°C OK 40.0°C  06:00  05:00 OK 08:00 tion for the currency, price per kWh and load are correct.  Currency: Press OK and choose your required currency, either Pounds or Euros. User settings Confirm with OK. In the user settings menu you can change the Cost/unit: Press OK and set your cost for one unit of electricity. following items: User settings The unit cost should be per kWh. Press OK. • Time and date Load: Press OK and enter the power of the heating system • Child lock  OK  connected to the thermostat. The installer of the system • Display settings should have already done this when the thermostat was • 4-event schedule first set up. • Energy monitor The value should be in kW. 1,000 Watts equals 1 kW. Press OK. Time and date Leave the menu by pressing Exit. Press OK and set the actual time in hours and minutes. Time and date Engineer settings The date will then be displayed. Set the date The Engineering settings menu contains the and confirm with OK.  OK  following options: Engineer settings • Offset temperature Child lock • Adaptive function  OK  This setting allows you to lock the thermostat • Application if you do not want the settings changed, e.g. Child lock • Temperature scale if it is situated in a public area. • Backlight Press OK and set the child lock On using the  OK  • Floor sensor Up button. Confirm with OK. • Factory reset The child lock can be unlocked by pressing the Left and Right hand • Information buttons simultaneously for ten seconds.  OK   OK  Offset temperature Display settings It the temperature the thermostat displays Allows you to select what is shown on the does not correspond to the actual tempera- main display. ture in the room you can make an adjustment Time/day: Shows the actual time and day to the sensor. at the top of the display. Press OK and then enter the correct tem- Set temp.: Shows the current target tem- perature for the air or floor. The thermostat will then automatically perature. correct itself in the future.Please note that the thermostat anticipates Act. temp.: Shows the actual measured temperature. rises and drops in temperature by a few minutes so that it does not Scr. saver: Switches off the display after 30 seconds if no button is over-run the target temperatures. This can lead to the temperature pressed. Any subsequent press of a button reactivates reading shown on the thermostat to be slightly above or below the the display. The thermostat remains on and runs the actual readings but is perfectly normal. Confirm with OK.selected program. Press the OK button to select or deselect the display options. Then select Exit in the menu to return to the initial display and view your chosen settings.  OK   OK  Offset temp. Display settings Adaptive function The adaptive function ensures that the re- quired temperature has already been reached Adaptive function when you get up in the morning or come 4-event schedule home from work. If this function is operat- This setting allows you to choose the format ing and you have set your underfloor heating to come on at 6:30am, of the 4-event settings to suit your require- 4-Event schedule the floor will already be warm by that time, rather than just starting ments. to heat. The adaptive function takes a few days to learn the heat 5:2 : Monday to Friday with 4 events and characteristics of your room before it functions correctly. Saturday and Sunday with 2 events. Press OK and set the function to On. Confirm with OK. Typically used if you work from Monday to Friday. 6:1 : Monday to Saturday with 4 events and Sunday with 2 events. Typically used if you work from Monday to Saturday. 7:0 : Monday to Sunday with 4 individual events. This allows you to choose individual programs for each day of the week. Select the required 4-event schedule and confirm with OK.  OK  For instructions on programming the time and temperature for the 4-event schedule, see 4-event settings.  OK  Application Set the type of regulation used. There are two options: Application Floor reg. : The thermostat controls the floor temperature only. A floor sensor must be connected. Room/limit : The thermostat controls the air temperature in the room whilst ensuring the floor never drops below or Energy monitor rises above the floor temperature limits. For this func- The energy monitor allows you to view your tion the floor sensor must be installed. A floor sensor underfloor heating system’s energy con- Energy monitor must be connected. sumption for the past 2 days, month or year. Press OK for the chosen period. The value in Press OK and select the required application. Confirm with OK. 3 © 2010 OJ Electronics A/S and Heat Mat Limited Temperature scale The temperature scale allows you to set maximum and minimum floor temperatures and the thermostat will ensure that the floor never operates outside of these limits. Even if a higher target temperature is set for the room, the thermostat will stop the floor overheating. This is particularly useful for systems used beneath wooden or laminate floors. Press OK to highlight Min temperature. Use the up or down button to select the minimum permissible temperature. Press OK and then select the maximum permissible temperature. Confirm the settings with OK. Backlight The backlight menu allows you to choose when the display is lit up. The options are Backlight as follows:Auto: The thermostat backlight comes on if any button is pressed and  OK  switches off again if no button is pressed for 30 seconds.On heat: The backlight comes on when buttons are pressed and also when- ever the underfloor heating is powered up.Const on – The backlight stays on constantly, although it swaps to a lower power state after 30 seconds. This is useful if you want your thermostat to constantly display the time. Floor sensor The NGT thermostat can operate with many different models of floor sensor. This allows Sensor you to replace most older underfloor heat- ing thermostats with the NGT thermostat  OK  without having to replace the floor sensor.The value of your original floor sensor can be set in this menu, and this value is usually listed in the instructions that were supplied with the previous thermostat.If you have any questions on this function please contact Heat Mat on 01444 247020. Factory reset This menu allows the factory settings to be restored. Your personal settings will be lost, Factory reset see Factory settings. Press OK and choose Reset in the menu.  OK  Confirm with OK. Information The information screen displays Heat Mat’s contact details, the current temperatures (and offset) of the two sensors, the software version of your thermostat and the individual  OK  model number, which is used for warranty purposes. Information Heat Mat 8 Ashwyn Business Centre Marchants Way · Burgess Hill RH15 8QY · England 4 The trademark is registered and belongs to OJ Electronics A/S · © 2010 OJ Electronics A/S and Heat Mat Limited Temp scale OK   Back In various parts of the menus and submenus you will find the Back menu item. Use Back to return to the previous screen Exit Exit returns you to the main operating screen. Error messages If a fault or error occurs the thermostat will display an error code message as follows: E0: Internal failure. The thermostat is defective. Speak to your sup- plier to arrange a replacement. E1: Internal sensor is damaged. Speak to your supplier to arrange a replacement. E2: External sensor is damaged or disconnected. Contact Heat Mat technical support. E5: Internal overheating. Check the thermostat installation and ensure there is free air movement around it. Factory settings Preset schedule Day 1-5 Event Time With floor sensor With room sensor Day 06:00-08:00 25°C 20°C Out 08:00-16:00 20°C 15°C Home 16:00-22:30 25°C 21°C Night 22:30-06:00 20°C 15°C Day 6-7 Event Time With floor sensor With room sensor Day 08:00-23:00 25°C 21°C Night 23:00-08:00 20°C 15°C


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