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Zone & Unitary Controllers

BACtalk® VAViH-SD™ Controller

The Alerton BACtalk® VAViH-SD™ controller with integrated actuator is a versatile BACnet-compliant controller, providing pressure-independent control of any single-duct variable air volume (VAV) box.

Overview

The Alerton BACtalk® VAViH-SD™ controller with integrated actuator is a versatile BACnet-compliant controller, providing pressure-independent control of any single-duct variable air volume (VAV) box. It features a built-in airflow sensor, five universal inputs (AIs or BIs) and six binary outputs (BOs). As a native BACnet controller, the VAViH-SD integrates seamlessly with your BACnet system, the VAViH-SD-F includes a filter to reduce dust contamination.

The BACtalk VAViH-SD contains an integral airflow sensor to provide pressure independent operation of the VAV box. Each airflow sensor is factory-calibrated at multiple velocity points. Minimum, maximum, and reheat airflows can be entered either at a Microset wall unit or an operator workstation. A technician can adjust airflow parameters in the field during balancing to compensate for slight variations in box installation and type.

The direct-coupled, brushless actuator is a high-reliability, maintenance-free ON-OFF/floating point control model manufactured by Honeywell. Its universal V-bolt clamp assembly mounts directly to the damper operating shaft.

All control algorithms are factory-loaded into non-volatile flash memory and can be completely field-modified. The VAViH-SD can execute control algorithms independently of other equipment. All calibration, programming, and operator entered setup data is stored in flash memory for further assurance of stable, reliable, and independent operation.

Features & Benefits:
  • Economical Comes with 5 inputs, 6 binary outputs
  • The separate replaceable actuator enables quicker, less expensive repairs
  • Adaptable Pre-loaded, DIP-switch selectable DDC applications for 5 types of VAV box control
  • Flexible Left- or right-mountable actuator enables flexible mounting configurations
  • Innovative Device addressing and application selection can all be done with common tools for easy installation or replacement
  • Attractive Sleek, updated design
Certifications:
  • FCC Part 15, Class A
  • EN 55022, Class A
  • EN 61000-3-2, 61000-3-3, 61000-4-2, 61000-4-3, 61000-4-4, 61000-4-8, 61000-4-6, 61000-4-11
Specifications

Others

  • Maximum Operating Humidity
    • 95 (Non-Condensing) Percentage
  • Number of Digital Outputs
    • 6
  • Minimum Operating Humidity
    • 0 (Non-Condensing) Percentage
  • Number of Thermistor Inputs
    • 3
  • Brand
    • Alerton
  • Number of Universal Inputs
    • 5
  • Application
    • DDC
  • Operation Modes
    • Off
    • On
  • Control Functions
    • Pressure
    • VAV
  • Communications Protocol
    • BACnet MS/TP LAN
  • Power Source
    • Power Supply Watt
  • Number of Triac Outputs
    • 3 & 4

Others

  • Maximum Operating Humidity
    • 95 (Non-Condensing) Percentage
  • Number of Digital Outputs
    • 6
  • Minimum Operating Humidity
    • 0 (Non-Condensing) Percentage
  • Number of Thermistor Inputs
    • 3
  • Brand
    • Alerton
  • Number of Universal Inputs
    • 5
  • Application
    • DDC
  • Operation Modes
    • Off
    • On
  • Control Functions
    • Pressure
    • VAV
  • Communications Protocol
    • BACnet MS/TP LAN
  • Power Source
    • Power Supply Watt
  • Number of Triac Outputs
    • 3 & 4
  • Maximum Operating Humidity : 95 (Non-Condensing) Percentage
  • Number of Digital Outputs : 6
  • Minimum Operating Humidity : 0 (Non-Condensing) Percentage
  • Number of Thermistor Inputs : 3
  • Brand : Alerton
  • Number of Universal Inputs : 5
  • Application : DDC
  • Operation Modes : Off|On
  • Control Functions : Pressure|VAV
  • Communications Protocol : BACnet MS/TP LAN
  • Power Source : Power Supply Watt
  • Number of Triac Outputs : 3 & 4
Others
Name
Description
File Size
Date
Size
VAViH-SD Installation Instructions
application/pdf 312.09 KB
5/17/2023
312.09 KB
VAViH-SD Data Sheet
application/pdf 538.09 KB
5/17/2023
538.09 KB
Name
Description
File Size
Date
Size
VAViH-SD Installation Instructions
312.09 KB
5/17/2023
312.09 KB
VAViH-SD Data Sheet
538.09 KB
5/17/2023
538.09 KB
Name
Description
File Size
Date
Size
VAViH-SD Installation Instructions
312.09 KB
5/17/2023
VAViH-SD Data Sheet
538.09 KB
5/17/2023