Description
Carrier Module ZN551 for HVAC System Control and Efficiency
Optimizes HVAC system efficiency through precise zone control and advanced scheduling
| Brand | Carrier |
| Model | ZN551 |
| Voltage | 24V AC |
| Country of Origin | USA |
| Weight | 0.5 kg |
| Dimensions | 120 mm x 80 mm x 30 mm |
| Warranty | 2 years |
| Certifications | UL 60730, CE, RoHS |
| SKU / MPN | ZN551 |
| What’s in the box | ZN551 module, mounting screws, installation guide, wiring diagram |
| Control Type | PID with adaptive tuning |
| Communication Protocol | BACnet MS/TP, Modbus RTU |
| Number of Inputs | 4 universal inputs (thermistor, 0-10V, 4-20mA) |
| Number of Outputs | 2 analog outputs (0-10V) and 2 digital outputs (triac) |
| Operating Temperature Range | -40°C to 70°C |
| Power Consumption | 2.5 VA |
Key benefits: Energy savings, improved comfort, easy integration with building management systems, remote monitoring capability
Typical applications: Commercial building HVAC zone control, VAV box control, heat pump management, rooftop unit optimization
Order number: Carrier Module ZN551 for HVAC System Control and Efficiency
Lifecycle: Active, with firmware updates and technical support
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Michael T. –
Solid relay modules, good switching capacity. Perfect for our automation panel.