Zehnder SDC1 Variable Speed Controller for Use with MVHR Units

Variable Speed Controller – Adjustable Fan Speed Control for MVHR Systems

The Variable Speed Controller offers smooth and precise control over MVHR unit fan speeds, making it ideal for tailoring ventilation to specific comfort or performance requirements. With both surface and recessed mounting options and an IP44 rating, it’s a versatile choice for residential or commercial installations.

• Universal MVHR Compatibility: Suitable for use with a wide range of Mechanical Ventilation with Heat Recovery units requiring manual speed adjustment.
• Flexible Mounting Options: Can be installed as either a recessed or surface-mounted unit depending on project requirements.
• Reliable Mains Power Supply: Operates on standard 230 V / single-phase / 50 Hz power for easy electrical integration.
• Weather-Resistant Design: IP44-rated enclosure protects against dust and splashing water—ideal for utility areas or sheltered environments.
• Compact and Practical Dimensions: Offers a clean, unobtrusive profile with two mounting depth options for greater flexibility.

Technical Specification

• Mounting Type: Surface or recessed
• Supply Voltage: 230 V / single-phase / 50 Hz
• IP Rating: IP44
• Dimensions (Recessed): 82 mm (H) x 82 mm (W) x 24 mm (D)
• Dimensions (Surface): 82 mm (H) x 82 mm (W) x 65 mm (D)

✅ Install the Variable Speed Controller for flexible, precise control of MVHR systems in both surface and recessed applications.