Characteristics

• Single-family house heating control with excellent expandability and ease of use
• Suitable for radiator, Hydronic floor or constant temperature heating systems, easy installation without special tools
• Delivery includes control for a single heating circuit, the controller is equipped with connectors for a second motor circuit and supply water sensor
• Easy installation with programmed instructions and automatic heating curve
• Control relay, for example for circulation pump
• Includes a rich variety of factory installed programs for hybrid heating systems
• Temperature and basic functions can be read at a glance with an illuminated and clear LCD display
• Accessories are easy to install with quick connectors; second heating circuit, wireless circuit-specific room units
• Programmable clock and calender (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

• 52x27 mm dot matrix display with LED backlight
• 18 VAC supply voltage (low-voltage equipment, installation does not require an electrician)
• Controller housing IP21, with wall mounting and DIN mounting clips as well as panel mounting possibility
• 2 motor outputs 24 VAC, RJ12
• 3 sensor inputs, RJ11
• 1 wireless antenna connection, RJ11
• 1 external I/O connection, RJ12
• One potential-free relay 10 A, with screw connection
• 1 contact info, sensor input (KTY/PT1000), spring connector
• Motor unit 24VAC / 140s / 90 ° / 5Nm / 3-point control, protection class IP41
• Alarms for sensor or communication malfunctions, shown on the LCD display
• Internal memory ensures settings are retained during power outages

Delivery contents:

Controller unit with illuminated LCD screen

• Wall mount, DIN rail mount, and panel mount options
• Illuminated LCD screen
• Quick connectors for electrical motor connections, two circuits
• Quick connectors for sensors
• Programmable relay 230 VAC
• Protection class IP21

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

• Protection class IP41
• RJ12-connector 1.5m cable
• 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

Outside temperature sensor (NTC 2K2)

• 15-meter connection cable, RJ11-connector
• Wall-mounted box

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