MTN645094 Schneide SpaceLogic KNX REG-K Fan Coil Actuator Push Button + TCU DIN Rail
Price:
Negotiable
MOQ:
5
Delivery Time:
7 days
Brand:
Schneide
Product Description
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) |
| Power Supply | AC 230 V ± 10%, 50/60 Hz |
| Power Consumption | Max. 3 VA |
| Outputs | 3 floating contacts (for fan coil control) + 2 semiconductor switches (for valve connections) |
| Switching Capacity (Valves) | 5 A, AC 24 V - 230 V |
| Switching Capacity (Fan) | 16 A |
| Fan Relay Switching Capacity | 8 A |
| Inputs | 2-key interface, max. cable length 5 m |
| Local Operation | 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
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Get in Touch
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Company
Maituo Intelligent Technology Co.，Ltd
Location
1st Floor, Building 4, Xindao Street, Yazhou District, Sanya City, Hainan Province, China
Contact Person
Nora