Room Thermostat 2 EN DuoFern Instruction manual for the electrical connection and for commissioning Item no. 3250 18 72 Type: 9485-1 VBD 653-3-1 (07.
i Contents EN 1. This manual..........................................................................5 1.1 How to use this manual......................................................................5 2. Hazard symbols...................................................................6 2.1 Levels of danger and signal words..................................................6 2.2 Symbols and depictions used...........................................................7 3. Safety instructions....
i Contents EN 9. Installation after the electrical connection................. 46 10. Introduction to opening the menus and setting the functions....................................................... 47 11. Initial commissioning with the help of the installation wizard............................................................ 49 12. Manually changing the target temperature............... 53 13. Switching automatic mode on/off directly on the standard display......................................
i Contents EN 17. Menu 9.8 - Device settings............................................. 93 17.1 Menu 9.8.1 - Switching the automatic summer/ winter time on/off........................................................... 94 17.2 Menu 9.8.3 - Setting the display lighting................................... 95 17.3 Menu 9.8.5 - Switching the button lock on/off........................ 96 17.4 Menu 9.8.6 - Setting the holiday mode incl. the setback temperature.........................................
i 1. This manual... EN ...describes how to install, connect and operate the DuoFern Room Thermostat 2. i 1.1 How to use this manual ◆ Before you begin, please read this manual through completely and follow all the safety instructions ◆ Please also read the instruction manuals of the accessories (if available) as well as the instructions of the respective connected electrical appliance ◆ This manual is part of the product.
i EN 2. Hazard symbols The following hazard symbols are used in this instruction manual: Danger of fatal electric shock Danger area / dangerous situation i 2.1 Levels of danger and signal words DANGER! This hazard will lead to serious injury or death if not avoided. WARNING! This hazard may result in serious injury or death if not avoided. CAUTION! This hazard may result in minor or moderate injury if not avoided. ATTENTION! This hazard may lead to property damage.
i 2.2 Symbols and depictions used EN Depiction Description 1. Procedures 2. ◆ Itemisation 1) or a) Lists i Further useful information Please read the respective manual Flashing menu symbols and setting parameters have a grey background. Information about opening the menus and setting the parameters can be found on page 47.
i 3. Safety instructions EN The use of defective equipment can lead to personal injury and damage to property (electric shocks / short circuiting). ◆ Never use defective or damaged equipment. ◆ Check that the DuoFern Room Thermostat 2 is intact. ◆ Consult our customer service department in the event that you discover damage, see page 124. Improper use leads to an increased risk of injury. ◆ Train all personnel to use the DuoFern Room Thermostat 2 safely. ◆ Children must not play with the device.
i 3.1 Intended use EN Use the DuoFern Room Thermostat 2 solely to control radiators / floor heating or the air conditioning within the permissible load limits, see page 34, Technical specifications. The DuoFern Room Thermostat 2 is suitable for switching the mains voltage and extra-low voltage (ELV) with basic insulation.
i 3.2 Improper use EN Using the DuoFern Room Thermostat 2 for any other purpose than previously mentioned is not permissible. Improper use can lead to serious injuries or property damage. ◆ Do not use the DuoFern Room Thermostat 2 to disconnect the connected electrical appliance. ◆ Never use the radio system (e.g. DuoFern radio system) and its components for the remote control of devices and systems with increased safety-relevant requirements or where there is an increased risk of accidents.
i 3.4 Glossary - definition EN UW ◆ UW = ultra-white (device colour) DIN 49075 ◆ German Standard "Cover panels for installation devices for building into device boxes..." 2014/53/EU ◆ European Radio Equipment Directive ELV ◆ Extra low voltage Electrothermal control valves Electrothermal valves with the switching states "normally closed (NC) or normally open (NO)" are often used for heating control.
i 3.4 Glossary - definition EN Hysteresis / minimum on-time ◆ This function prevents an unnecessary large number of switching operations by setting a minimum on-time ◆ This prevents the DuoFern Room Thermostat 2 tripping too often if the room temperatures fluctuate Offset (sensor offset) ◆ The temperature measured on site can vary slightly from the room temperature if the DuoFern Room Thermostat 2 is installed in a unfavourable position (e.g.
i EN 4. Included in delivery b) c) a) d) Included in delivery a) b) c) d) e) *) 1 x Operating unit (50 x 50 mm) 1 x Frame 1 x Installation housing 1 x Spacer frame, see page 46 1 x Instruction manual (not illustrated) After unpacking please check and compare... ... the contents of the package with those specified above.
i 5. General view of the operating unit 1) 9) 2) 3) 4) 7) 8) 6) 5) Pos.
i 5. General view of the operating unit Pos. Symbol 5) OK 6) + 7) - 8) EN Description OK button ◆ Open the selected menu ◆ Confirm and save settings ◆ Continue to the next setting Plus button - HOTTER ◆ Gradually increase the target temperature by 0.5 °C Minus button - COLDER ◆ Gradually reduce the target temperature by 0.
i 5.1 General view of the installation housing 13) 10) 11) 16 Pos.
i EN 5.2 Electrical connections 16) 14) 15) Pos. Symbol Description 14) Remote Sensor 9485-F [ S / N ] - optional Connect the external Remote Sensor 9485-F to measure the room temperature. 15) Supply voltage [ N / L ] - 230 V / 50 Hz Connect the supply voltage. 16) Relay output - potential-free Connect an electrothermal control valve (also with extra-low voltage) / electric heater or the air conditioning.
i 18 5.3 Display and its symbols Pos. Symbol Description 17) Weekdays (Monday...Sunday) MO...
i 5.3 Display and its symbols EN Pos.
i EN 5.4 Views of the standard display / You can select the desired view of the standard display using the set buttons. Target temperature Symbols Description 21.5 °C SOLL The set target temperature Symbols Description Actual temperature 19.
i 5.4 Views of the standard display EN Other symbols can be displayed depending on the setting of the DuoFern Room Thermostat 2. i Examples: Symbols Description Automatic mode is active. Heating or cooling is provided at the set switching times until the room temperature reaches the target value. The target temperature has been manually changed. Heating is provided as the current room temperature is lower than the target temperature.
i 6. Product description EN The DuoFern Room Thermostat 2 automatically measures and controls the room temperature in individual rooms, e.g. by controlling a radiator, the floor heating or air conditioning. The temperature is either measured by the built-in sensor or by the optional external Remote Sensor 9485-F. The room thermostat has a potential-free relay output.
i 6. Product description EN Potential-free relay output The following electrical appliances, for example, can be connected to the potential-free relay output: ◆ Control valves (also extra-low voltage valves) ◆ Heaters (also electrical heaters up to max. 2300 W) ◆ Air conditioning Connecting an external temperature sensor (optional) The Remote Sensor 9485-F is optionally available as an external temperature sensor if the internal sensor cannot reliably record the room temperature.
i 6. Product description EN Two valve modes (NC/NO) to adapt to the control valve used Electrothermal valves with the switching states "normally closed (NC)" or "normally open (NO)" are often used for heating control. You can set the respective valve mode in menu 9.7.6 to adapt to the control valve used in each case, see page 90. Manual mode The device is manually operated with the plus and minus button. These buttons can be used to gradually increase or decrease the target temperature by 0.
i 6.
i 6.2 Functions and sample applications EN Sample application 1 STATUS RADEMACHER DuoFern 1-Kanal Aktor 9470-1 Made in Germany DuoFern Room Thermostat 2 for individual room regulation of radiators, floor heating or the air conditioning.
i 6.2 Functions and sample applications EN Home office Control the air conditioning by radio using a DuoFern Universal actuator (e.g. for retrofitting without cabling between the DuoFern Room Thermostat 2 and the air conditioning). Bathroom Directly connect and control electric floor heating. Living room Directly connect an electrothermal control valve to control a radiator.
i EN 6.2 Functions and sample applications Sample application 2 Several DuoFern Room Thermostats 9485 for individual room regulation of floor heating using DuoFern actuators.
i 6.2 Functions and sample applications EN A DuoFern Universal actuator (1-channel) per room in the cellar: ◆ This receives the switching commands directly from the respective DuoFern Room Thermostat 2, thus regulating the control valves (e.g. for retrofitting if no leads to the heating manifold are present.
i 6.
i 6.2 Functions and sample applications EN The DuoFern Room Thermostat 2 can be connected to the HomePilot®. This means that the following functions can be used: ◆ The target temperature and display of the current state (actual temperature, target temperature etc.
i 6.
i 6.2 Functions and sample applications EN Self-sufficient system ◆ Control of up to 20 DuoFern Radiator Actuators ◆ Central control: the target temperature is sent from the DuoFern Room Thermostat 2 to all DuoFern Radiator Actuators 2 Control via HomePilot® ◆ Only the DuoFern Room Thermostat 2 is registered on HomePilot®.
i EN 7. Technical specifications Mains supply [ L / N ] Mains supply voltage: 230 V / 50 Hz Consumption: Standby: < 0.4 W Sensor input [ S / N ] e.g.
i EN 7. Technical specifications Relay output - load contact for 230 V [ Maximum switching capacity: ] capacitive loads 5 A µ / 1115 VA Improper use can lead to serious injuries or property damage. ◆ Due to the small contact distance (µ), not suitable for disconnecting. ◆ Do not use the DuoFern Room Thermostat 2 to disconnect the connected electrical appliance. DuoFern radio technology Transmission frequency: 434.5 MHz Transmission power: max. 10 mW Range: Max.
i 7. Technical specifications General information External dimensions (W x H x D) Operating unit [ 1 ]: 50 x 50 x 12 mm according to DIN 49075 Available colours: ultra-white (UW), glossy Installation depth: 32 mm Permissible ambient temperature range: 0 °C to + 40 °C Protection class: II Protection type: IP 30 (only for use in dry rooms) Connecting terminals: Screw terminals for max. 1.5 mm2 cable cross-section Power reserve for clock in approx.
i EN 7.1 Factory settings Factory settings Automatic mode: off Automatic time: off Hot (21.5 °C) from: 06:00 Cold (17.0 °C) from: 23:00 Target temp. 1 and 3: 21.5 °C Target temp. 2 and 4: 17.0 °C Weekly programme: off Automatic summer/winter on changeover: Standard display: target temperature Heating mode: 1 (room temperature controller) Hysteresis: 0.2 °C Min. on-time / off-time: 2 minutes Valve protection: off Frost protection: on; 4.
i 7.2 Conduct in the event of a power failure EN Power reserve (approx. 8 hours) The current time flashes for approx. 5 minutes in the event of a power failure and the DuoFern room thermostat changes to power reserve. Time and date after a power failure The power reserve is approx. 8 hours. If this time is exceeded, the time and date are lost and need to be reset, see page 78. i The internal timer works with tolerances in power reserve mode.
i 8. Safety instructions for the electrical connection EN Prior to the electrical connection, check that the voltage / frequency on the type plate corresponds to that of the local mains supply. Read the specifications relating to the electrical connection detailed in the instruction manual of the electrical appliance used. DANGER! There is a risk of fatal electric shock when touching electrical components. ◆ All connection and installation work must only be carried out in a de-energised state.
i 8. Safety instructions for the electrical connection EN WARNING! Using an incorrect installation housing can lead to personal injury and damage to property (electric shocks / short circuiting). ◆ Only use the installation housing provided to connect and install the DuoFern Room Thermostat 2. ◆ Installation housings of other RADEMACHER products are not compatible. WARNING! Incorrect wiring may lead to short circuits and destroy the device. Follow the pin assignment detailed in the connection diagram.
i 8.1 Important information prior to the electrical connection and installation EN Potential-free relay output The relay is potential-free. Control valves and controllers that require a different supply voltage can also be connected (e.g. 24 V). One side of the relay contact should be set to the respective control voltage (e.g. +24 V) instead of [ L ] in this case, see page 45.
i 8.1 Important information prior to the electrical connection and installation EN Optional connection of the external Remote Sensor 9485-F The external Remote Sensor 9485-F can optionally be connected for temperature measurement if the DuoFern Room Thermostat 2 is installed in a thermally unfavourable position.
i 8.2 Electrical connection EN 1. Ensure the mains is disconnected and check whether the mains power cables are current-free. 2. Securely lay all connecting cables right into the flush-mounted box. 3. Remove the insulation on all leads down to 6 mm in length and connect them according to the connection diagram on the following pages. 4. After the electrical connection, the installation of the DuoFern Room Thermostat 2 into the flush-mounted box is carried out, see page 46.
i 8.
i 8.
i 9. Installation after the electrical connection EN 1. Insert the installation housing into the flush-mounted box and fasten it with the screws of the claw fasteners. 2. Place the frame on to the installation housing. 3. Place the spacer frame in the frame. 4. Then carefully insert the operating unit into the installation housing . 5. Switch on the mains power supply again.
i 10. Introduction to opening the menus and setting the functions 1. M EN Open the main menu. Pressing the menu button in the standard display opens the main menu. 2. / Select the desired menu. The selected menu is indicated by a flashing symbol. 3. OK Confirm and open the selected menu. OFF flashes.
i 4. 10. Introduction to opening the menus and setting the functions / 5. OK EN Select the desired setting (e.g. On). Each setting must be confirmed with the OK button. Confirming the entry takes you to the next setting or back to the menu. 6. M Back to the standard display. Example i 48 Pressing the menu button briefly takes you back one menu step. Pressing and holding the button always take you to the standard display.
i 11. Initial commissioning with the help of the installation wizard EN The installation wizard, which guides you through the first basic settings, is automatically started for the initial commissioning or after a software reset. Continue with menu 9.7 "Installer settings" The settings in menu 9.7 must be checked and adapted to the existing heating installation after completing the installation wizard, see page 81.
i 11. Initial commissioning with the help of the installation wizard EN 1. The installation wizard is shown after switching on the mains voltage. The digits start flashing. 2. Set and confirm the current time. 3. Set the current date (day. month)‚ and confirm each setting. 4. Set and confirm the current year. 5. Set and confirm the starting time of the first heating phase.
i 11. Initial commissioning with the help of the installation wizard EN Assigning different target temperatures Each heating phase can be assigned an individual target temperature. You can set four target temperatures and assign any number of heating phases, see page 60, menu 2. 6. Select and confirm the number of the desired target temperature for this heating phase. 7. Set and confirm the desired target temperature. Factory setting = 1.21.5 °C 8.
i 11. 11. Initial commissioning with the help of the installation wizard EN Set the starting time of the next heating phase (see points 8 to 10.). or Exit the settings in the installation wizard by selecting and confirming . 12. The standard display is shown after the final setting. Example 13. The settings in menu 9.7 must be checked and adapted to the local heating installation after completing the installation wizard, see page 81.
+ - 12. Manually changing the target temperature EN If necessary you can manually change the target temperatures of the automatic heating phases temporarily. The change is made on the standard display. + ➤ (Hotter) ➤ (Colder) - Gradually increase the target temperature by 0.5 °C. Gradually reduce the target temperature by 0.5 °C. Display example: The target temperature has been manually changed.
OK 13. Switching automatic mode on/off directly on the standard display EN Automatic mode on ◆ All previously set automatic functions are active. ◆ Manual operation is also possible in automatic mode. Automatic mode off ◆ All set automatic functions are deactivated. 1. OK 1 sec. Press the OK button for one second on the standard display.
14. Calling up and displaying weather data EN The DuoFern Room Thermostat 2 can receive and display weather data (temperature, brightness, wind velocity and rain) from a DuoFern Environmental Sensor. It is not necessary to log the DuoFern Environmental Sensor on to the DuoFern Room Thermostat 2. i Environmental sensors update the weather data approx. every 5 minutes and therefore it can take a few minutes until the weather data is displayed.
14. Calling up and displaying weather data 3. / EN You can call up all the available weather data using the set buttons, see examples. Temperature and rain Brightness 0 - 999 Lux = lx 1 - 150 kilo lux = klx Symbol depending on the brightness: < 50 lx = (dusk) > 50 lx = Wind velocity 0 - 35 m/s Exiting the weather data display 4. Pressing the SET button briefly exits the weather data display. i 56 The display automatically switches to the standard display after 10 seconds.
M EN 15. Menu overview Main menu Symbol Menu Page 1 2 3 9 9.1 9.5 9.7 9.7.1 9.7.2 9.7.3 9.7.4 9.7.5 9.7.6 9.7.7 Automatic mode................................................. 59 AUTO SOLL SET OFFSET H SENSOR Switching times / automatic heating phases........60 Target temperatures / numbers...........................75 System settings.................................................. 77 Time and date.................................................... 78 Week programme............................
M 15. Menu overview Ch IST i 58 9.8 9.8.1 9.8.3 9.8.5 9.8.6 9.8.7 9.8.0 9.9 9.9.1 9.9.2 9.9.3 9.9.4 9.9.5 Device settings................................................... 93 Automatic summer / winter changeover..............94 Display lighting.................................................. 95 Button lock . . ...................................................... 96 Holiday mode .................................................... 98 Party mode .. ..................................................
AUTO 15.1 Menu 1 - Switching automatic mode on/off EN Automatic mode on (symbol on the standard display) ◆ All set automatic functions are active ◆ Manual operation is also possible in automatic mode Automatic mode off (symbol on the standard display) ◆ All automatic functions are deactivated Both symbols on the standard display ◆ Automatic mode on and the target temperature has been manually changed - the change applies to the next heating phase Switching automatic mode on/off in menu 1 1.
15.2 Menu 2 - Setting automatic heating phases EN You can set automatic heating phases for each day with the desired switching time and target temperature. Maximum number of daily heating phases A maximum of six heating phases can be set up for each day. Pre-setting the week programme First select the desired week programme in menu 9.5, see page 79. Additional information about the setting: ◆ The switching times of the heating phases are set in 15 minute steps (e.g. 06:00, 06:15, 06:30 etc.
15.2 Menu 2 - Setting automatic heating phases EN We show you three examples below for the setting of automatic heating phases: Example 1 Family programme The automatic heating phases should apply for the entire week (Mon - Sun) [MO - SO]. Example 2 Single household The automatic heating phases should be set separately for the weekdays (Mon - Fri) [MO - FR] and the weekend (Sat - Sun) [SA -SO]. Example 3 Home office Heating should only be provided on Friday and Saturday.
EN 15.2 Menu 2 - Setting automatic heating phases Example 1 Setting (family programme) The room temperature is regulated to the desired target temperature or setback temperature at the same switching times on all weekdays. °C 22 21 20 19 Heat up to 21.5 °C at 06:00 18 Lower temperature to 17.5 °C at 23:00 17 16 15 6:00 8:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 23:00 Uhr MO. . . . . .SO (Monday. . . . . .Sunday) Time No. °C 1 06:00 1 21.5 °C 2 23:00 2 17.
15.2 Menu 2 - Setting automatic heating phases EN 1. First open menu 9.5 and set the week programme [ 1 ]. 2. Then menu 2 opens automatically or Open menu 2 if the desired week programme is already active. 3. Set and confirm the starting time of the first heating phase. e.g. 06:00 4. Select and confirm the number of the desired target temperature for this heating phase, e.g. 1. 5. Set and confirm the desired target temperature. e.g. 21.
15.2 Menu 2 - Setting automatic heating phases 6. EN Set and confirm the starting time of the second heating phase. e.g. 23:00 7. Select and confirm the number of the desired target temperature for this heating phase, e.g. 2. 8. Set and confirm the desired target temperature (e.g. setback temperature). e.g. 17.0 °C 9. Terminate and confirm the setting of the heating phases. 10. Subsequently the main menu is displayed or Menu 9.5.
EN 15.2 Menu 2 - Setting automatic heating phases Example 2 Setting (single household) The room temperature should be regulated to different temperatures at different times on weekdays and at the weekend. °C 22 21 20 19 18 17 = MONDAY ... FRIDAY = SATURDAY / SUNDAY 16 15 6:00 8:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 23:00 Uhr MO. . . . FR (Monday . . . . Friday) Target temperature (SOLL) Heating phase Time No. °C 1 06:00 1 21.5 °C 2 08:00 2 17.5 °C 3 14:30 1 21.
15.2 Menu 2 - Setting automatic heating phases EN SA SO (Saturday / Sunday) Heating phase Time 1 2 Target temperature (SOLL) No. °C 07:00 1 21.5 °C 23:00 2 17.5 °C 3 1. First open menu 9.5 and set the week programme [ 2 ]. 2. Then menu 2 opens automatically or Open menu 2 if the desired week programme is already active.
15.2 Menu 2 - Setting automatic heating phases 3. EN Set and confirm the starting time of the first heating phase. e.g. 06:00 4. Select and confirm the number of the desired target temperature for this heating phase, e.g. 1. 5. Set and confirm the desired target temperature. e.g. 21.5 °C 6. Set and confirm the starting time of the second heating phase. e.g. 08:00 7. Select and confirm the number of the desired target temperature for this heating phase, e.g. 2. 8.
15.2 Menu 2 - Setting automatic heating phases 9. EN Set and confirm the starting time of the third heating phase. e.g. 14:30 10. Select and confirm the number of the desired target temperature for this heating phase, e.g. 1. * 11. Set and confirm the starting time of the fourth heating phase. e.g. 23:00 12. i 13. 68 Select and confirm the number of the desired target temperature for this heating phase, e.g. 2.
15.2 Menu 2 - Setting automatic heating phases EN Setting the heating phases for Saturday / Sunday (SA/SO) 14. Set and confirm the starting time of the first heating phase for the weekend. e.g. 07:00 15. Select and confirm the number of the desired target temperature for this heating phase, e.g. 1. * 16. Set and confirm the starting time of the second heating phase for the weekend. e.g. 23:00 17.
15.2 Menu 2 - Setting automatic heating phases 18. Terminate and confirm the settings for the weekend Saturday/Sunday (SA / SO). 19. Subsequently the main menu is displayed or Menu 9.5.
EN 15.2 Menu 2 - Setting automatic heating phases Example 3 Setting (home office) Heating should only be provided on Friday and Saturday. The room temperature should be regulated to the setback temperature on all other days. °C 22 21 20 19 18 17 = MON / TUES / WED / THURS / SUN = FRI / SAT 16 15 6:00 8:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 23:00 Uhr MO / DI / MI / DO + SO (Mo / Tues / Wed / Thurs + Sun) Heating phase Time Target temperature (SOLL) No.
15.2 Menu 2 - Setting automatic heating phases EN 1. First open menu 9.5 and set the week programme [ 3 ]. 2. Then menu 2 opens automatically or Open menu 2 if the desired week programme is already active. 3. Select and confirm because heating should not be provided on Monday. 4. Repeat point 3 for Tuesday, Wednesday and Thursday. 5. Set and confirm the starting time of the first heating phase for Friday. e.g.
15.2 Menu 2 - Setting automatic heating phases EN 6. Select and confirm the number of the desired target temperature for this heating phase, e.g. 1. 7. Set and confirm the desired target temperature. e.g. 21.5 °C 8. Set and confirm the starting time of the second heating phase for Friday. e.g. 21:00 9. Select and confirm the number of the desired target temperature for this heating phase, e.g. 2. 10. Set and confirm the desired target temperature. e.g. 17.0 °C 11.
15.2 Menu 2 - Setting automatic heating phases 12. Select and confirm because heating should not be provided on Sunday. 13. Subsequently the main menu is displayed or Menu 9.5.
SOLL 15.3 Menu 3 - Setting target temperatures centrally EN Target temperatures are configured and assigned in the installation wizard and in menu 2 "Setting automatic heating phases". i If the same target temperatures are used in different heating phases, they can only be changed centrally in menu 3. Information about setting the target temperatures ◆ Four target temperatures are available that can be set centrally ◆ Each target temperature can be randomly used, e.g.
SOLL 15.3 Menu 3 - Setting target temperatures centrally EN Setting target temperatures centrally 1. Open menu 3. 2. 3. Select and confirm the number of the target temperature to be changed. Change and confirm the target temperature. Setting range = 4.0 °C to 40 °C 4. Repeat points 1 to 3 if you want to change other target temperatures.
EN 16. Menu 9 - System settings This menu enables you to configure additional devices and system settings to customise the DuoFern Room Thermostat 2 to your individual preferences. The DuoFern settings in menu 9.9 are introduced and described separately from page 103 onwards. Menu 9 - System settings Symbol Menu SET 9.1 9.5 9.7 9.8 9.9 Page Time and date.................................................... 78 Week programme............................................... 79 Installer settings............
SET 16.1 Menu 9.1 - Setting the time and date 1. Open menu 9.1. Configure and confirm the desired settings. Setting order: 2. Time 3. Date Day.Month 4.
16.2 Menu 9.5 - Setting the week programme EN You can adapt the automatic heating phases individually to the weekly profile using the week programmes. There are three week programmes available: [ 1 ] Weekly switching times (factory setting) The switching times of the automatic heating phases apply from (Mon .... Sun) [MO .... SO] . [ 2 ] Working day and weekend switching times Separate switching times for (Mon .... Fri) [MO .... FR] and (Sat + Sun) [SA + SO] .
16.2 Menu 9.5 - Setting the week programme 1. Open menu 9.5. 2. Select and confirm the desired week programme. 3. Menu 2 opens automatically to set the heating phases after selecting a week programme, see page 61.
EN 16.3 Menu 9.7 - Installer settings The settings in menu 9.7 must be checked and adapted to the existing heating installation after completing the installation wizard. Menu 9.7 - Installer settings Symbol Menu Page 9.7.1 9.7.2 9.7.3 9.7.4 9.7.5 9.7.6 9.7.7 Heating mode .. ................................................... 82 OFFSET H SENSOR Sensor offset...................................................... 86 Hysteresis and minimum on-time........................87 Valve protection .............
16.4 Menu 9.7.1 - Setting the heating mode EN You can set the DuoFern Room Thermostat 2 for one of the following heating modes. There are three heating modes available: [ 1 ] Room temperature controller (factory setting) The heating is switched on when the room temperature drops below the set target temperature. [ 2 ] Room temperature controller with limiter This function can be used for floor heating with particularly sensitive floor coverings.
16.4 Menu 9.7.1 - Setting the heating mode 1. EN Open menu 9.7.1. 2. Continue with the desired heating mode. 2.1 Heating mode [ 1 ] - Setting the room temperature controller. 2.2 Select and confirm the heating mode [ 1 ]. 2.3 Select and confirm the internal [ I ] or external [ E ] temperature sensor.
16.4 Menu 9.7.1 - Setting the heating mode EN 2.1 Heating mode [ 2 ] - Setting the room temperature controller with limiter. 2.2 Select and confirm the heating mode [ 2 ]. 2.3 Set and confirm the limiting value for the minimum floor temperature. Setting range = 10°C to 30 °C Factory setting = OFF The setting is undertaken in steps of 1.0 °C. 2.4 Set and confirm the limiting value for the maximum floor temperature.
16.4 Menu 9.7.1 - Setting the heating mode EN 2.1 Heating mode [ 3 ] - Setting the cooling function. 2.2 Select and confirm the heating mode [ 3 ]. 2.3 Select and confirm the internal [ I ]or external [ E ] temperature sensor.
OFFSET 16.5 Menu 9.7.2 - Setting the sensor offset EN The temperature measured on site can vary from the room temperature if the DuoFern Room Thermostat 2 is installed in a unfavourable position (e.g. behind a curtain or on a cool exterior wall). Setting range An adjustment of the measurement in the range of - 5°C to + 5 °C can be carried out using the sensor offset. The setting is undertaken in steps of 0.1°C. 1. Open menu 9.7.2. 2. Set the offset for the internal temperature sensor. e.g.
H 16.6 Menu 9.7.3 - Setting the hysteresis / minimum on-time EN This function prevents an unnecessary large number of switching operations by setting a minimum on-time for the relay. This prevents the DuoFern Room Thermostat 2 tripping too often if the room temperatures fluctuate. 1. 2. Open menu 9.7.3. Set the hysteresis. Setting range = 0.1°C to 5 °C Factory setting = 0.2°C 3. Set the minimum on-time.
16.7 Menu 9.7.4 - Setting the valve protection EN If an electrothermal control valve (e.g. for floor heating) is not activated for a longer period of time (e.g. in summer), it may get stuck. Prevent the control valve getting stuck with the "Valve protection" function. The valve is switched on for a set time at 10:00 if it has not been activated for longer than 3 days (>72 hours). 1. Open menu 9.7.4. 2. Switch on the valve protection. On = Valve protection on OFF = Valve protection off 3.
16.8 Menu 9.7.5 - Setting the frost protection EN The "Frost protection" function switches the heating on when the minimum temperature has been reached. The function is independent of the set target temperatures. 1. 2. Open menu 9.7.5. Switch on the frost protection. On = Frost protection on * OFF = Frost protection off 3. Set the minimum temperature at which the heating is switched on. e.g. 4.0 °C * Factory setting = On; 4.0 °C Setting range = 2.
16.9 Menu 9.7.6 - Setting the valve mode EN Electrothermal valves with the switching states "normally closed (NC)" or "normally open (NO)" are often used for heating control. You can set the respective valve mode in menu 9.7.6 to adapt to the control valve used in each case: [ NC ] Valve mode normally closed The control valve remains closed in an isolated, de-energised state. [ NO ] Valve mode normally open The control valve remains open in an isolated, de-energised state.
16.9 Menu 9.7.6 - Setting the valve mode 1. 2. EN Open menu 9.7.6. Switch on the valve protection. nc = normally closed no = normally open Switch off the relay if the control valve is regulated by a Duofern actuator. If the control valve is regulated solely by a DuoFern actuator or the DuoFern Room Thermostat 2 only controls radiator actuators, you can switch off the relay to avoid annoying switching noises. - 5 sec. Press the minus button for 5 seconds to switch the relay off.
16.10 Menu 9.7.7 - Performing a sensor test EN It is possible to view the readings of the temperature sensors (internal and external) to check the installation. 1. Open menu 9.7.7. 2. Select and display the desired temperature sensor. Example: The internal temperature sensor measures 21.9 °C. Example: The external Remote Sensor 9485-F measures 19.8 °C. Example: The external Remote Sensor 9485-F is incorrect or not connected.
EN 17. Menu 9.8 - Device settings Menu 9.8 - Device settings Symbol Menu 9.8.1 9.8.3 9.8.5 9.8.6 9.8.7 9.8.0 Page Automatic summer / winter changeover..............94 Display lighting.................................................. 95 Button lock . . ...................................................... 96 Holiday mode .................................................... 98 Party mode .. .................................................... 100 Software version . . .....................................
17.1 Menu 9.8.1 - Switching the automatic summer/ winter time on/off EN The DuoFern Room Thermostat 2 features an automatic summer/winter changeover function. Summer time The timer is changed to summer time on the last Sunday in March. The timer is set back one hour at 02:00. Winter time The timer is changed to winter time (standard time) on the last Sunday in October. The timer is set back one hour at 03:00.
17.2 Menu 9.8.3 - Setting the display lighting EN Pressing one of the operating buttons switches the background lighting on the display on and off after a predetermined time. ◆ After 10 seconds on the standard display ◆ After approx. 1 minute in the menus You can set the desired brightness level if the background lighting should remain permanently lit up in an idle state (without pressing a button). 1. Open menu 9.8.3. 2. Set and confirm the desired brightness levels.
17.3 Menu 9.8.5 - Switching the button lock on/off EN You can activate the automatic button lock to protect against any unintentional input. 1. Open menu 9.8.5. 2. Switch the button lock on/off and confirm. OFF = Button lock off On = Button lock on Automatic activation after approx. two minutes If the button lock is activated and no buttons are pressed within a period of two minutes, the button lock is switched on automatically.
17.3 Menu 9.8.5 - Switching the button lock on/off EN The button lock is deactivated manually on the standard display 4 sec. Press and hold for 4 seconds. The button lock is activated manually on the standard display before the time limit expires 4 sec. i Press and hold for 4 seconds if you want to activate the automatic button lock before the two minutes expire. Manual operation of the DuoFern Room Thermostat 2 is also possible when the button lock is active.
17.4 Menu 9.8.6 - Setting the holiday mode incl. the setback temperature EN You can switch on a holiday mode and set the desired setback temperature on the DuoFern Room Thermostat 2. The holiday mode can then be directly activated on the standard display. The heating is regulated to the setback temperature when the holiday mode is activated. 1. Open menu 9.8.6. 2. Switch the holiday mode on/off and confirm. OFF = Holiday mode off On = Holiday mode on 3.
17.4 Menu 9.8.6 - Setting the holiday mode incl. the setback temperature EN Activating the setback temperature temporarily on the standard display - 1 sec. Press and hold for 1 second to temporarily activate the setback temperature. The heating is regulated to the setback temperature until the next automatic heating phase becomes active. Manual mode The hand symbol is shown if you press the button briefly.
17.5 Menu 9.8.7 - Setting the party mode incl. the comfort temperature EN You can switch on a party mode and set the desired comfort temperature on the DuoFern Room Thermostat 2. The party mode can then be directly activated on the standard display. The heating is regulated to the comfort temperature when the party mode is activated. 1. Open menu 9.8.7. 2. Switch the party mode on/off and confirm. OFF = Party mode off On = Party mode on 3. Set and confirm the comfort temperature. e.
17.5 Menu 9.8.7 - Setting the party mode incl. the comfort temperature EN Activating the party mode temporarily on the standard display + 1 sec. Press and hold for 1 second to temporarily activate the party mode. The heating is regulated to the comfort temperature until the next automatic heating phase becomes active. Manual mode The hand symbol is shown if you press the button briefly. Activating the party mode permanently on the standard display + 4 sec.
17.6 Menu 9.8.0 - Displaying the software version EN This menu enables the current software version of the DuoFern Room Thermostat 2 to be displayed. 1. Open menu 9.8.0. 2. Subsequently the current software version is displayed. 3. / 4. OK Carry out a display test. Back to the menu 9.8 Device settings.
EN 18. Menu 9.9 - DuoFern settings In order for your DuoFern Room Thermostat 2 to receive and send control signals in the DuoFern network, it is necessary to log any desired DuoFern device (e.g. DuoFern actuator etc.) on to the DuoFern Room Thermostat 2. To do so, please also read the operating manual of the respective DuoFern device. Maximum number of connected devices You can log a maximum of 20 DuoFern devices on to a DuoFern Room Thermostat 2.
18.1 Menu 9.9.1 - Logging DuoFern devices on/off EN 1. Open menu 9.9.1. 2. The number of DuoFern devices logged on is displayed. For example, one device is logged on here. 3. Logging on DuoFern devices. 3.1 3.2 Switch the respective DuoFern device to login mode. Start the login procedure. 3.3 The display flashes [ On ]. 3.4 The new number of logged-on devices is displayed after a successful login. 3.5 Log on the next DuoFern device or Back to the menu selection.
18.1 Menu 9.9.1 - Logging DuoFern devices on/off EN 4. Logging off DuoFern devices. 4.1 4.2 Switch the respective DuoFern device to log-off mode. Start the log-off procedure. 4.3 The display flashes [ OFF ]. 4.4 The new number of logged-on devices is displayed after a successful log-off. 4.5 Log off the next DuoFern device or Back to the menu selection.
18.1 Menu 9.9.1 - Logging DuoFern devices on/off EN Deleting all connections to the logged-on DuoFern devices 1. 4 sec. Press and hold the set button for 4 seconds. 2. The display flashes [ OFF ]. 3. Subsequently all of the connections are deleted. i Deleting the connections can lead to problems for the participants, whereby the DuoFern Room Thermostat 2 is still logged on after the deletion process.
18.1 Menu 9.9.1 - Logging DuoFern devices on/off EN Clearing up the DuoFern network This function enables you to log off all DuoFern devices from the DuoFern Room Thermostat 2 that are no longer accessible via radio. i All battery-operated DuoFern transmitters (e.g. the DuoFern manual central operating unit) cannot be logged off using this function. 1. Open menu 9.9.1. 2. The number of DuoFern devices logged on is displayed. 3. 4 sec. Activate the clear up function.
18.2 Menu 9.9.2 - Setting the DuoFern mode EN The DuoFern Room Thermostat 2 features two DuoFern modes that enable you to specify how the it behaves within the DuoFern network or in the local installation on site. Setting heating phases centrally in the HomePilot® or locally in the DuoFern Room Thermostat 2 [ 1 ] DuoFern receiver ◆ Heating phases are controlled centrally (e.g.
18.2 Menu 9.9.2 - Setting the DuoFern mode EN 1. Open menu 9.9.2. 2. Set and confirm the desired DuoFern mode.
18.3 Menu 9.9.3 - Setting the transmission channel EN If a DuoFern actuator is logged on to the DuoFern Thermostat 9485 via radio, a control valve can be regulated by this. Direct cabling between the DuoFern Room Thermostat 2 and the control valve is not required. If a multi-channel DuoFern actuator is used for this, the channel that is used must be set on the DuoFern Room Thermostat 2.
18.4 Menu 9.9.4 - Switching the weather data on/off EN The DuoFern Room Thermostat 2 can receive and display weather data (temperature, brightness, wind velocity and rain) from a DuoFern Environmental Sensor. It is not necessary to log the DuoFern Environmental Sensor on to the DuoFern Room Thermostat 2. The weather data can be called up and displayed directly on the standard display, see page 55.
18.4 Menu 9.9.4 - Switching the weather data on/off EN 1. Open menu 9.9.4. 2. Switch the weather data display on/ off and confirm. OFF = Off On = On 3. The last four digits of the DuoFern address (radio code) of the current environmental sensor are displayed. Display if no environmental sensor has been received or is in radio range so far. 4. / Select and confirm the desired environmental sensor. Deleting all detected environmental sensors Briefly press the SET button.
18.5 Menu 9.9.5 - Displaying the DuoFern address EN (radio code) Each DuoFern device has an address (radio code) via which it communicates on the DuoFern network. If necessary, you can display the DuoFern address of the DuoFern Room Thermostat 2. 1. Open menu 9.9.5. 2. Two digits of the six-digit address are always shown in the form of scroll text, see example. 3. M or OK Back to the menu selection.
19. Logging on to the HomePilot® EN Information on logging on to HomePilot® as well as details on configuration and application examples can be found in the Service Center on our website at: service.rademacher.
i 20. Deleting all settings, software reset EN A software reset can be carried out to reset the DuoFern Room Thermostat 2 to the original default condition as when supplied. i All settings in menu "9.7 Installer settings" are also lost in the process. ◆ Make sure that you note all settings in menu 9.7 before carrying out a software reset and check these after the reset. 1. M + Press and hold the four buttons simultaneously for five seconds until all of the symbols are shown on the display. 2.
i 21. Carrying out a hardware reset EN A hardware reset can be carried out in the event that the DuoFern Room Thermostat 2 no longer react to commands. 1. To do so, pull the operating unit out of the installation housing. ATTENTION! Risk of damage due to the overheating or excessive cooling of the room or flooring. The relay output remains unchanged if the operating unit is pulled out of the installation housing during operation. Control and limiting functions where appropriate are no longer provided.
i 21. Carrying out a hardware reset EN 3. The operating unit can be reinserted into the installation housing as soon as the screwdriver has been removed from the contacts. The time and date are lost during a hardware reset. All other settings are retained. i 22. Error messages Error 1 The DuoFern Room Thermostat 2 has an invalid DuoFern address (radio code). ◆ Please carry out a hardware reset, see page 116. ◆ Check the DuoFern address (radio code) in menu 9.9.5 if the problem persists, see page 113.
i 22. Error messages EN Error 2 i The DuoFern Room Thermostat 2 does not function until the error has been confirmed. The controller is switched off. Error 3 There is a communication problem. ◆ Check that all logged-on actuators and the HomePilot® if necessary are connected properly and are within range. ◆ A repeater may be required for larger distances. Each DuoFern device that is connected to the mains power supply is a repeater (e.g. switch actuator sockets, HomePilot®, DuoFern actuators etc).
i 22. Error messages EN Error 4 The temperature sensor provides invalid readings. ◆ Carry out a hardware reset, see page 116. ◆ If an optional external temperature sensor (Remote Sensor 9485-F) is connected, please check the cabling. ◆ Please contact the RADEMACHER Service department if only the internal sensor is used and the problem still persists, see page 124. ◆ The readings of the sensors can be checked in menu 9.7.7, see page 92.
i EN 23. Dismantling DANGER! There is a risk of fatal electric shock when touching electrical components. ◆ Disconnect all phases of the mains power cable and secure it to prevent any reconnection. Check that the system is de-energised. 1. Log the DuoFern Room Thermostat 2 off the DuoFern network. 2. Switch off the mains power, secure it from restarting and check that the system is de-energised. 3. Carefully pull the operating unit out of the installation housing. 4. Remove the frame. 5.
i EN 24. Simplified EU Declaration of Conformity RADEMACHER Geräte-Elektronik GmbH hereby declares that the DuoFern Room Thermostat 2 complies with the Directive 2014/53/EU (Radio Equipment Directive). The full text of the declaration of conformity is available at the following website: www.rademacher.de/ce i 25. Accessories Remote Sensor 9485-F Item no.
i 26. Warranty conditions EN RADEMACHER Geräte-Elektronik GmbH provides a 24-month warranty for new systems that have been installed in compliance with the installation instructions. All construction faults, material defects and manufacturing defects are covered by the warranty. Your statutory warranty claims remain unaffected by this warranty.
i EN 123
Service: Hotline 01807 933-171* Fax +49 2872 933-253 service@rademacher.de * 30 seconds free of charge, subsequently 14 cents / minute from German fixed line networks and max. 42 cents / minute from German mobile networks. Subject to technical modifications, misprints and errors excepted. Illustrations not binding. RADEMACHER Geräte-Elektronik GmbH Buschkamp 7 46414 Rhede (Germany) info@rademacher.de www.rademacher.