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MTN645094 Schneide SpaceLogic KNX REG-K Fan Coil Actuator
A dedicated fan coil actuator from Schneide Electric's SpaceLogic KNX portfolio, engineered to integrate fan coil units (FCUs) into KNX-based building automation systems. Combines KNX bus control with local push-button mode selection and Terminal Control Unit (TCU) compatibility for precise regulation of heating/cooling and fan speed in commercial, hospitality, and residential HVAC applications.
Technical Specifications
Parameter
Details
Valve Control
PI controller (PWM and continuous regulation)
Controller Mode
Heating and/or cooling, with common or separate valve outputs
Operating Modes
Selected via push-button plus with TCU (Terminal Control Unit)
Push-button for fan speed level selection and heating/cooling mode switching
Indicators
9 status LEDs for system feedback
Device Width
4 modules ≈ 72 mm
Supply Voltage
KNX Bus: DC 21-30 V (typical 4 mA/24 V)
Load Voltage: AC 220-240 V, 50/60 Hz
Control Channels
3-speed fan control + 1 x valve control (configurable for heating/cooling)
Nominal Current
20 A total (per IEC60947-4-1)
Operating Temperature
-5 °C to +55 °C
Mounting
35 mm DIN rail (EN 60715 standard)
Programming
ETS (KNX Engineering Tool Software) compatible (ETS5 and higher)
Compatible Accessories
Thermoelectric valve drive 230 V: MTN639125
Thermoelectric valve drive 24 V: MTN639126
2-gang push-button with room temp control (System M): MTN6212-02...-04
4-gang push-button with room temp control (System M): MTN6214-03...-04
Key Features
Dual Control Capability
KNX Bus Control: Integrates with KNX sensors and building management systems for automated scheduling, setpoint adjustment, and scene-based HVAC control
Local Push-Button Override: Physical buttons allow direct selection of fan speed and heating/cooling modes, ensuring functionality during system outages
TCU Integration
Connects to Terminal Control Units for seamless integration with legacy HVAC systems or third-party building management platforms, extending flexibility for mixed-system projects.
Fan Coil Optimization
Supports 3-speed fan regulation and on/off control of electric valves
Configurable delay times for valve operation prevent water hammer and extend component lifespan
System Reliability
Built-in overload and thermal protection safeguards the actuator and connected hardware
Real-time diagnostic reporting via KNX enables proactive maintenance and reduces downtime
Application Scenarios
Commercial Office Spaces
Automated fan coil control linked to occupancy sensors and daylight harvesting systems, ensuring optimal comfort while reducing energy waste. Meeting rooms feature pre-programmed HVAC scenes triggered via KNX touch panels.
Hotels & Hospitality
Individual fan coil control with KNX scene integration and local push-button adjustment for guest convenience. Centralized HVAC management via BMS with TCU integration for front-desk monitoring.
High-End Residential
Integration with KNX home automation systems to sync fan coil operation with lighting, blinds, and security systems. Independent temperature control for each living space with local override capabilities.
Healthcare & Education
Precise temperature regulation with local override in hospital patient rooms. Automated fan coil control linked to CO₂ sensors in classrooms and libraries for fresh air and consistent thermal conditions.
Retail & Public Spaces
Zoned fan coil control for retail units with TCU integration for centralized energy management. Temporary HVAC zoning for event spaces with quick mode adjustments via local buttons.
Key Advantages
Seamless KNX Ecosystem Integration: Works with all KNX-certified sensors, panels, and BMS platforms for unified building management
Redundancy & Flexibility: Local push-button control and TCU compatibility ensure operation even if KNX bus is unavailable
Energy Efficiency: Automated scheduling and sensor-based regulation reduce unnecessary HVAC runtime, lowering operational costs
Tailored Comfort: Precise fan speed and valve control maintain consistent thermal conditions, enhancing occupant satisfaction
Scalable Design: DIN rail mounting and modular architecture allow system expansion with additional KNX actuators or controllers
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller,Trading Company,Exporter
Year Established:
2015
Total Annual:
800000 USD-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ... Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ...
