DELTA eZV-440 enteliZone Programmable VAV Controller
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Product Overview:
The DELTA eZV 440 enteliZone Programmable VAV Controller lets you control the amount of air that flows through HVAC systems in commercial buildings with great accuracy. This native BACnet device has an airflow sensor and a damper actuator that work together to make the most of energy use and comfort.
The eZV-440 (which can be programmed as eZVP-440) is made for tough VAV and VVT jobs. It can handle multi-stage reheat, fan-powered boxes, and complicated sequences thanks to its built-in configurable algorithms. It can communicate over RS-485 with BACnet MS/TP, which makes it easy to add to building automation networks. It also has a subLAN for up to four LINKnet sensors like eZNS or DNS. One of the best things about this system is that it can handle any type of I/O, schedule tasks locally, track trends, send alarms, and upgrade firmware over the network. This makes it perfect for enteliZONE systems that need to grow.
GCL+ lets you program custom logic for non-standard setups or I/O repurposing, making it adaptable in industrial and marine settings where reliable climate control is very important.
Technical Specifications of Delta Ezv-440:
| Category | Specification | Details ​ |
|---|---|---|
| BACnet Profile | BACnet Application Specific Controller (B-ASC), BTL Listed | Native BACnet firmware |
| Inputs | 4 Universal Inputs (12-bit) | 0-5/10 VDC, 10kΩ thermistor, dry contact |
| Outputs | 4 Universal Outputs | 0-10 VDC analog (5mA max), 24 VAC TRIAC (0.5A max) |
| Airflow Sensor | 0-2 in. true differential pressure | 5/32 in. ID tubing required |
| Actuator | Integrated with 1 UI feedback, 1 UO + 1 TRIAC; Belimo/Siemens options (5 Nm torque) | Analog/floating support, optional feedback |
| Power | 24 VAC, 50/60 Hz | 85 VA max (11 VA excl. TRIAC) |
| Communications | RS-485 NET1 (BACnet MS/TP 38.4k/76.8k bps), NET2 (LINKnet 76.8k bps) | EnOcean optional via gateway, NFC tag |
| Processor | ARM Cortex M3 CPU, 1MB Flash, 128KB RAM | External 16Mbit data flash |
| Environmental | 0-55°C (32-131°F), 10-95% RH non-condensing | Class 2/SELV wiring |
| Dimensions | With actuator: 20.4 x 15.7 x 7.4 cm (8.1 x 6.2 x 2.9 in.); Weight: 900g | Without: 12.2 x 17.5 x 4.2 cm, 250g |
| Compliance | CE, FCC Class B, cUL/UL 916 | RoHS compliant |
Key Features and Benefits:
1) Energy Optimization: Built-in VAV algorithms make commissioning faster, cutting setup time by up to 50% in large-scale deployments.
2) Scalable Integration: Works with EnOcean wireless devices and network sensors to add more zones without needing more wiring.
3) Reliable Performance: The strong design can handle tough industrial conditions, and the terminals can be removed for easy maintenance.
4) Customization: The programmable version (eZVP-440) can change sequences or make new programs that are up to 5KB in size.
Applications
Great for office buildings, hospitals, data centers, and ships that need precise air management. It does a great job of keeping setpoint accuracy in fan-powered VAV boxes, parallel/series fans, and reheat systems.
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