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LK 120 Smart Comfort Indoor Temperature Mixing Valve Controller

$410.00

5 in stock

Description

LK 120 Smart Comfort Outdoor Reset Mixing Valve Controller

LK 120 SmartComfort is an electronic indoor temperature controller for hydronic radiator and underfloor heating systems. By measuring the supply and indoor temperatures LK 120 SmartComfort regulates the mixing valve to provide the system with the exact amount of heat required in the building at any given time.

Specs

Primary voltage, adapter 100-240 VAC, 50/60 Hz
Secondary voltage, adapter 24 VDC
Ambient temperature, actuator Min. 0°C / Max. +50°C (in operation)
Curve slope 1.0 - 9.9
Parallel displacement ± 10°C
Min. supply temperature +5°C - +40°C
Max. supply temperature +20°C - +99°C
Power consumption < 3 VA
Angle of rotation 90°
Torque 44 lb. in
Protection class, actuator IP 40
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Weight 907.18474 lbs
Title

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Detailed Description

LK 120 SmartComfort is an electronic indoor temperature controller for hydronic radiator and underfloor heating systems. By measuring the supply and indoor temperatures LK 120 SmartComfort regulates the mixing valve to provide the system with the exact amount of heat required in the building at any given time.

LK 120 SmartComfort has an automatic choice of direction to adapt to the direction of the mixing valve. LED indicators show if the controller is opening or closing the valve. The supply temperature can be limited with a minimum and a maximum value. Symbols on the controller show the chosen function and the LED display shows the setting or value of the function. Adjustments are easily made with the push buttons marked “+” and “- “.

LK 120 SmartComfort is delivered with a room temperature unit allowing easy setting of the desired indoor temperature. The room temperature unit is available in two versions; with fixed cable SmartComfort RT or wireless receiver SmartComfort RTW. For further energy saving and increased comfort, there are nine preset programs with scheduled temperature changes. You can also create your own programs. Additional functions such as holiday and timer settings are available.

After a temperature setback, the room temperature unit applies a booster function which briefly increases the supply temperature in order to quickly reach the desired room temperature. Should the room temperature unit sense a sudden change in temperature, such as when airing a room, the unit disregards this change for the following half-hour.

The room temperature unit is equipped with a connection port for external control, such as via a GSM modem, making it ­possible to activate a preset temperature change via mobile phone.

LK 120 SmartComfort is easy to install onto new as well as existing mixing valves. Mounting kits for installation onto mixing valves of other brands are available – see separate page.

The plug-in adapter provides quick and easy do-it-yourself installation. In case of a power outage, the controller will keep its settings and the actuator will stop in its current position. By disengaging the controller, the mixing valve can be manually operated.

For further energy saving a pump control, SmartComfort PC can easily be connected to the controller – see under Accessories. SmartComfort PC stops the circulating pump when no heat is required and exercises the pump every two days, thus eliminating the risk of pump stalling after an intermission.

An outdoor temperature sensor is available as an accessory. For more information, please see the product sheets for LK 110 and LK 130 SmartComfort.

Downloads

LK 110, 120, 130 Datasheet

LK 110, 120, 130 Manual

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