Carrier Connect™ 43FX Thermostat 33CONNECTSTAT43FX Carrier® Connect™ 4.3 FX Thermostat Product Data Sheet
Summary
Advanced smart thermostat providing comprehensive control over your entire HVAC system using Wi-Fi® connectivity and BACnet integration. This unit allows remote management via a smartphone app or web portal, enabling users to precisely schedule comfort setpoints, monitor humidity, and maximize energy savings. The coverage details how to integrate this system into any building management infrastructure, making it ideal for facility managers, contractors, and property owners requiring efficient, modern climate control solutions.
Page 1 Text Content
i-Vu® Building Automation System Connect™ 43FX Thermostat Part number: 33CONNECTSTAT43FX
Carrier’s Connect 43FX thermostat offers control of your building’s heating, ventilating and air-conditioning (HVAC) system via Wi-Fi® to Connect’s smartphone mobile app as well as from any BACnet-compliant building management system (BMS), including the Carrier i-Vu building automation system.
Hardware Features • Responsive Touchscreen: 4.3” responsive LCD touchscreen for easy viewing and operation • BACnet: MS/TP port for easy integration with the i-Vu system or any BACnet-compliant BMS • Sensors: Onboard temperature and humidity plus remote sensor option • Direct Wi-Fi® Access: Easily connect to your building’s network • Slim Profile: Blends easily into any building’s decor and environmental surroundings
Application and System Features • Display: Celsius or Fahrenheit • Applications: Supports up to 4 heating and 3 cooling stages with various new or existing HVAC equipment with 24 VAC control • 7-Day Scheduling: Precisely adjust optimum comfort setpoints to achieve energy savings • Demand Response Ready: For participation in local demand response programs • Over-the-Air Software Updates: Directly sent over Wi-Fi network without having to manually check for updates • Control: Make basic temperature, comfort and efficiency adjustments easily and quickly • Alerts: Notification through SMS text and e Mail of any critical issues • Embedded Contractor Info: Lets you know who to contact for service • Local Access Security: Provides selective access for authorized individuals • Smartphone App and Web Portal: Configure using your internet-connected Smartphone, PC or Tablet from anywhere or anytime… in real time
Visit connectstat.carrier.com and create an account.
Page Summary Contents For Carrier Connect™ 43FX Thermostat 33CONNECTSTAT43FX Carrier® Connect™ 4.3 FX Thermostat Product Data Sheet
Manual Details
| Brand | Carrier |
|---|---|
| Pages | 2 |
| File Size | 663.27 KB |
| Published | June 05, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What types of systems can this thermostat integrate with?
It supports BACnet MS/TP for easy integration with i-Vu or any other BACnet-compliant BMS, and connects via Wi-Fi.
Can I manage settings remotely from outside the building?
Yes, you can configure and monitor real-time data using your internet-connected Smartphone, PC, or Tablet through the app or web portal.
How long will the time remain accurate if power is lost?
The integrated real-time clock keeps track of time for up to seven days in the event of a power outage.
What are the primary power requirements for installation?
The unit requires 24 Vac at 50/60 Hz and consumes 6VA.