Description
The LK 120 SmartComfort RTW heating controller helps save:
- Electronic room temperature controller for radiator and hydronic underfloor heating. By measuring the heating water and room temperature, the LK 120 SmartComfort RTW controls the mixing valve so that the exact required amount of heat is delivered to the system at all times.
- The LK 120 SmartComfort RTW heating controller has automatic direction selection to adapt to the opening direction of the mixing valve. LED indicators show whether the controller is opening or closing the valve. The heating water temperature can be limited by maximum and minimum values. Symbols on the controller show the selected function, and the LED display shows the function setting or value. Adjustment is easy using the “+” and “-” push buttons.
- The LK 120 SmartComfort RTW heating controller is supplied with a room thermostat that allows you to easily set the desired room temperature. For additional energy savings and greater comfort, there are nine preset programs with temperature change schedules. You can also create your own programs. Additional functions such as vacation and timer settings are available. After a reduced-temperature period, the room thermostat activates a boost function, which briefly increases the heating water temperature so that the desired room temperature is reached as quickly as possible. If the room thermostat detects a sudden change in temperature, for example due to ventilation, the changes are ignored for the next half hour. The room control panel is equipped with an input for a GSM modem, which makes it possible to lower the room temperature to a preset value via mobile phone.
- The LK 120 SmartComfort RTW heating controller is easy to install on both new and existing valves. Installation kits are also available for other types of mixing valves. The plug-in power adapter enables quick and easy do-it-yourself installation. In the event of a power failure, the controller retains its settings and the actuator stops. The mixing valve can be turned manually by disconnecting the actuator coupling.
Technical data of the LK 120 SmartComfort RTW heating controller:
- Power adapter input voltage 100-240 VAC, 50/60 Hz
- Power adapter output voltage 24 VDC
- Ambient temperature, actuator Min. 0°C/Max. +50°C (operating)
- Minimum heating water temperature +5°C – +40°C
- Maximum heating water temperature +20°C – +99°C
- Power consumption < 3 VA
- Protection class IP 40
- SmartComfort RTW room thermostat:
- Ambient temperature Min. 0°C/Max. +40°C
- Control range Min. +5°C/Max. +35°C
- Protection class IP 20
- Actuator rotation angle / direction 90 ° / clockwise and counterclockwise
- Actuator torque 5 Nm
- Operating mode Comfort / Reduced temperature / automatic mode / Vacation / Timer
- Real-time clock 12 h, AM / PM and 24 h, running time without power 1 day
- Manual adjustment: Yes, if necessary
- Measuring range, indoor temperature 0 ° C – +50 ° C
- Heating water temperature setting range +5 ° C – 99 ° C
- Dimensions: actuator Length x width x height 93 x 80 x 75 mm
- Dimensions: room sensor Width x height x thickness 83 x 80 x 27 mm
- Dimensions: power supply Length x width x height 74 x 30 x 43 mm
- For additional energy savings, the SmartComfort PCSmartComfort PC pump control unit can be connected to the device. It stops the circulation pump when heat does not need to be supplied to the system, and starts the pump and mixing valve separately every two days, eliminating the risk of the pump or valve seizing after a break. An outdoor temperature sensor is available as an accessory.
