Why Conventional Solutions are Fading

● Brand Monopoly & High Premiums: Proprietary systems from major brands lock owners into expensive, closed ecosystems.

● Integrated Design Risk: "All-in-One" units require total replacement if the circuit board fails, leading to massive waste and high TCO.

● Complex Commissioning: Traditional DDC requires specialized software and licenses. Without the original engineer, the system becomes an inaccessible "Black Box."

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●Decoupled VAV Controller vs Integrated VAV Comparison

Solution Architecture: The Power of Decoupling

Replace only what is broken; eliminate vendor lock-in.

We advocate for the separation of "Control Logic" and "Mechanical Drive."

Ultimate Flexibility: Freedom to choose any actuator brand (e.g., Belimo, Siemens) based on your budget.

Low Operational Cost: Electronics typically have a shorter lifespan than mechanical dampers. Our decoupled design allows for independent replacement, reducing maintenance costs by 50%.

●Commercial Building DCV Ventilation Strategy LEED

Precision Manufacturing

● The Logic: Direct linkage with CO₂ sensors. The system dynamically adjusts fresh air intake based on real-time occupancy.

● The Benefit: Ensures a high-oxygen environment in crowded meeting rooms while shifting to energy-saving mode when vacant. A vital strategy for securing LEED or WELL green building credits.

3X Commissioning Efficiency (Laptop-Free)

Eliminate the need for expensive proprietary software. Through the SAS965-HMI navigation panel, field technicians can calibrate airflow, set K-factors, and map addresses as easily as using a smartphone, drastically lowering technical barriers and labor costs.

Core Advantages

Extreme Cost Efficiency

Tier-1 performance at one-third of the hardware cost of international brands.
Decoupled Architecture

Freedom of actuator pairing to end brand monopolies once and for all.
Laptop-Free Setup

Menu-driven HMI configuration with no software licenses required.
Demand-Based Ventilation

Intelligent CO₂ linkage reduces total HVAC energy consumption by over 30%.
Native BAS Connectivity

Built-in BACnet MS/TP ensures seamless integration with Tridium Niagara, ALC WebCTRL, and JCI Metasys.

Related Products

VAV Controller

HDC218-VAV

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● Power Input: 100~240VAC / 50~60Hz
● Built-in Power Conversion Module: Provides 24V/1A for damper power supply
● Built-in Digital High-Precision Differential Pressure Sensor
● Supports BACnet MS/TP and Modbus Protocols
● 3 Analog Outputs (AO), 5 Digital Outputs (DO), 3 Digital or Analog Inputs
● Can be expanded with additional I/O via HDC-IO
● Applicable for VAV Box, Venturi Valve, Variable Air Volume Valve, Lab Fume Hood Control, etc.
● Dimensions: 121 x 113 x 47.3 (mm)

The ultimate universal VAV solution designed for high-performance velocity control and seamless BACnet integration.

HMI Control

SAS965-HMI

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● Power Supply: 9~30VDC, DC Carrier Communication and Power Supply
● Display: 4-inch full capacitive touch color screen, resolution 480*480 dpi
● Temperature Display Range: 0~60°C, accuracy ±0.5°C
● Humidity Display Range: 10~99%, accuracy ±5%
● Interface: 2-wire DC carrier communication; external NTC sensor
● Optional Wi-Fi Function: Supports remote control via mobile app
● Dimensions: 86*86*11mm

Get In Touch

Contact our friendly Customer Service team for any Question,Concern, or Suggestion. We'd love to hear from you!

Headquater hotline: +86 755 61218391

Headquater email: info@saswell.com

MENA tech support hotline: +97155 6743682

MENA tech support email: support@saswell.com