Characteristics

• Single family house heating controller operated by a wireless room unit
• Suitable for radiator, Hydronic floor or constant temperature heating systems, easy installation without special tools
• Delivery includes control for a single heating circuit
• Patented indoor heat control requires no separate curve setting
• Very easy and quick installation because no outdoor sensor is needed
• Eco function for easy energy saving with just one touch of a button
• Control wheel for easy temperature adjustment in degrees Celsius
• Temperature and basic functions can be read at a glance from the illuminated and clear LCD display
• Automatic radio link connection
• Programmable clock (weekly programming for weekdays, weekends, or for each day separately)
• Valve maintenance function once per week if the valve has been closed all the time
• Absence mode for holiday periods or intermittent use
• The minimum and maximum supply water values can be adjusted separately

Properties

• Illuminated LCD display
• 18 VAC supply voltage (low-voltage equipment, installation does not require an electrician)
• The controller is integrated with the motor section (IP41)
• 1 sensor input, RJ12
• 1 wireless antenna connection, RJ11
• Room unit housing IP21, wall mounted
• Motor unit 24VAC / 140s / 90 ° / 5Nm / 3-point control, protection class IP41
• Strength of the radio link shown in clear percentages
• Alarms for sensor or communication malfunctions, shown on the LCD display
• Battery replacement alarm on LCD display
• Internal memory ensures settings are retained during battery replacement or power outages

Delivery contents:

Room unit with an LCD display and temperature measurement

• Illuminated LCD display
• Wireless data transmission on 868 MHz
• Three AA alkaline batteries with a useful life of 2–3 years
• Protection class IP21, ready for wall-mounting

Motor unit, 24 VAC, 140s / 90 degrees / 5Nm

• Protection class IP41
• Manual operation switch and mechanical position indication on the front panel

External power supply, 230 VAC 50 Hz / 18 VAC, 300 mA

• 2.5-meter wire, DC-plug connection to the motor unit

Supply water temperature sensor (KTY)

• 1-meter connection cable, RJ12-connector
• Pipe fastening ties

Antenna unit 868 MHz transmission frequency

• 1.5-meter wire can be wall-mounted, RJ11 connection to the motor unit

Connection adapters to valves

• Vexve AM series and Termomix valves, as well as other standard four-point attachment valves (adapters available for several other valves).

This device meets the following environmental requirements and standards:

• Operating temperature 0 … +40 °C
• Storage temperature −20 … +60 °C
• Shipping temperature −20 … +60 °C
• Humidity 0–100 % RH, non-condensing conditions
• RoHs 2002/95/EC
• CE-mark 93/68/EEC
• EMC-directive 2004/108/EEC
• LVD- directive 2006/95/EC
• General requirements for household control devices EN 60730–1:2000
• Special requirements for temperature controllers EN 60730-2-9:2002

The room unit additionally meets the following requirements:

• ERM, electromagnetic compatibility and radio spectrum matters EN 300–220-1
• EMC, electromagnetic compatibility requirements EN 301–489-1