Contents This manual..............4 Hazard symbols .............. 5 Symbols and depictions used ........5 Safety instructions ............5 Intended use ..............6 3.2 Glossary - definition ............6 Included in delivery ............7 General view ..............7 Display icons ..............8 Product description ............8 7. ...
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Contents 10.8 Reception interval (EIn) ..........25 10.9 Viewing the battery charge level (bAt) ......26 10.10 Viewing the current software version (ld) ....26 11. Deleting all settings and resetting to the factory settings ............. 27 12. Error messages and troubleshooting ......28 13.
1. This manual..describes how to install, commission and operate the DuoFern Radiator Actuator 2. How to use this manual ◆ Before you begin, please read this manual through com- pletely and follow all the safety instructions. ◆ Please also read the instruction manuals for the logged- on DuoFern devices and the respective connected appliance.
2. Hazard symbols Danger area / dangerous situation 2.1 Symbols and depictions used Depiction Description Further useful information Please read the respective manual. 3. Safety instructions The use of defective devices and improper use can lead to property damage. ◆ Never use defective or damaged devices. ◆...
Radio systems that transmit on the same fre- quency can cause interference. 3.2 Glossary - definition DuoFern ◆ RADEMACHER radio system for controlling compatible products. HomePilot ® ◆ The HomePilot is a central controller unit for ®...
4. Included in delivery 1 x Radiator Actuator 2 1 x cover 3 x Danfoss adapter (RA / RAV / RAVL) 1 x screw with nut 2 x AA batteries 1.5 V / LR6 1 x installation and commissioning manual After unpacking please check and compare...
The operation and setting of the DuoFern Radiator Actuator 2 can be performed on site directly on the device, via a smart- phone app or with a computer. The RADEMACHER HomePilot is also required as a central ® controller (not included in delivery) for control via an app or computer.
7. Technical specifications General information 2 x 1.5 V (DC), AA, Supply voltage: alkaline approx. 2 years Battery life: with three switching times daily Observe the information on and a set transmission interval of page 11. 15 minutes Mechanical loading capacity: 70 N Linear stroke: 2 - 3 mm...
8. Initial commissioning 8.1 Insert the enclosed batteries The use of rechargeable batteries or incorrect batteries can damage the DuoFern Radiator Actuator 2. ◆ Only use leak-proof 1.5 V AA batteries (LR6). ◆ If a battery has leaked, we recommend replacing the DuoFern Radiator Actuator 2 with a new device.
8.2 Logging on to the HomePilot ® If no login is to take place, continue with 8.4. Switch the HomePilot to registering ® mode. Login takes place automatically. The logged-on HomePilot appears ® as “1” on the display after a successful login.
8.3 Logging on to the DuoFern Room Thermostat 2 If no login is to take place, continue with 8.4. Switch the DuoFern Room Themostat 2 to registering mode. Login takes place automatically. The logged-on DuoFern Room Themostat 2 appears as “1” on the display after a successful login.
8.4 Activating installation mode (POS) Activate installation mode by briefly pressing the button. The drive then moves to the installation position (POS). The display flashes as soon as the installation position is reached. If a HomePilot or DuoFern Room Thermostat 2 ® was already logged-on before the batteries were inserted, the installation mode is activated directly.
8.5 Mounting on the radiator valve Attach the DuoFern Radiator Actuator 2 to the valve or the adapter and tighten the union nut. The DuoFern Radiator Actuator 2 has minimal flexibility after the installation in order to be able to optimise the view on the display. You should therefore not overtighten the union nut.
8.6 Performing an installation run (InS) Activate installation mode (InS) by briefly pressing the menu button. The drive then automatically performs an installation run to define the end positions. The normal display appears with the set target temperature after a successful installation run. The DuoFern Radiator Actuator 2 is now ready for operation.
9. Settings on the ready-to-use device The display switches off automatically to save energy. Pressing any button switches on the display again and switches the DuoFern Radiator Actuator 2 to operating mode. The normal display then appears with the set target temperature. 9.1 Setting the target temperature You can adjust the desired target temperature in 0.5 °C steps by briefly pressing the button.
9.2 Child protection function / operating lock First activate the normal display by pressing any button, see page 16. Activating the child protection function Press briefly 1 x, until the lock symbol flashes. Manual operation is still possible. After the display goes off and is re- activated, the lock symbol is dis- played continuously and the device cannot be operated.
10. Introduction to opening the menus and setting the functions Different settings can be made and functions can be activated (On) or deactivated (OFF) in the DuoFern Radiator Actuator 2 menu. Navigation in the menu Setting parameters, see next chapter The settings are saved by pressing the menu button. Return to the normal view ◆...
10.1 Automatic function (Aut) Automatic mode On (factory setting) All control commands are permitted from a HomePilot ® DuoFern Room Themostat 2. Automatic mode OFF = manual mode Only on-site changes or manual changes are implemented by the HomePilot or DuoFern Room Themostat 2. ®...
10.3 DuoFern menu (duo) Logging on / logging off / clearing You can log the HomePilot or the DuoFern Room Thermostat 2 ® onto the DuoFern Radiator Actuator 2 in this menu (duo). You can log on a maximum of one HomePilot ® one DuoFern Room Thermostat 2. Observe the information on battery consumption on page 11.
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10.3 DuoFern menu (duo) Logging on / logging off / clearing Logging on to the HomePilot ® DuoFern Room Thermostat 2 LED signals when logging on ◆ Flashes green: during the login ◆ Lights up green for 2 seconds: after a successful login ◆ Lights up red for 2 seconds: if the login has not taken place within 2 minutes or an error has occurred Logging off the HomePilot ®...
10.3 DuoFern menu (duo) Logging on / logging off / clearing Clearing the DuoFern 5 sec. Radiator Actuator 2 The radio connection to a HomePilot or DuoFern Room ® Thermostat 2 that can no longer be accessed is deleted. LED signals during the clearing process ◆...
10.4 Internal window open detection (dEt) Window open detection takes place irrespective of whether the DuoFern Radiator Actuator 2 is in manual or automatic mode. If an open window is detected, this message (OPn) appears for the duration of the process. Alternatively, you can also use an external DuoFern window/door contact (Item no.
10.6 Internal or external controling (SEn) Factory setting = OFF This menu is only visible in connection with a DuoFern Room Thermostat 2. Optionally, the measured actual (IST) temper- ature of a DuoFern Room Thermostat 2 can be used as the controlled variable of the DuoFern Radiator Actuators 2.
10.7 Rotating the information on the display (dIS) (180°) Factory setting = OFF It may be beneficial to rotate the information shown on the display through 180° depending on the installation. The display is rota- ted only after confirming with the menu button, see page 18. 10.8 Reception interval (EIn) Factory setting = 15 minutes Here you can set the frequency of communication between the DuoFern Radiator Actuator 2 and HomePilot or DuoFern ®...
11. Deleting all settings and resetting to the factory settings First activate the normal display by pressing any button, see page 16. Deactivate the child protection function if it is active, see page 17. Press and hold, additionally press and hold. Be sure to follow the specified ...
12. Error messages and troubleshooting Errors that have occurred are shown on the display with an error code. E1 = The drive is not installed ◆ Install the DuoFern Radiator Actuator 2 at a suitable place. E2 = Error in the mechanics An error has been detected during the installation run.
Radiator Actuator 2. ◆ Use only a soft, slightly damp cloth to clean the device. 14. Simplified EU declaration of conformity RADEMACHER Geräte-Elektronik GmbH, hereby declares that the DuoFern Radiator Actuator 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...