Carrier Connect™ Wi-Fi Thermostat 33CONNECTSTAT43FX    CARRIER CORPORATION ©2021  
Installation Guide    All rights reserved 
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The Carrier Connect 33CONNECTSTAT43FX thermostat has: 
•  Space and remote temperature sensing 
•  Space and remote humidity sensing 
•  BACnet MS/TP communications 
•  Wi-Fi connectivity  
 
The Carrier® Connect™ Wi-Fi Thermostat package includes: 
•  Thermostat 
•  Mounting Hardware - two screws with drywall anchors and one security screw 
•  Quick Start Guide - Catalog No. 11-808-873-01 
 
Some of the features: 
•  Control of heating, cooling, and fan solid state 24 Vac outputs 
•  Space temperature sensing (> 0.5°F accuracy from 60°F to 90°F) 
•  Outdoor temperature sensing using a 10K @ 25°C J Curve (type II) thermistor connected to T and C terminals 
or Wi-Fi outdoor temperature, available by GPS location services, determined when the thermostat is installed 
•  Humidity sensing and control 
•  Remote humidity sensing from a 33ZCSENDRH-02 Humidity Duct Sensor or 33ZCSENSRH-02 wall sensor 
•  Wi-Fi connectivity (supports 802.11 a/b/g/n standards and utilizes a Broadcom chipset) 
•  Cloud Connectivity using the Carrier Connect mobile app (iOS and Android). 
•  Optimized installation (“finger friendly” spring-loaded connectors that accept 16 to 24 AWG wire and NO 
screwdriver required for wire insertion and removal) 
•  Optimized boot time (5 seconds total boot time until temperature displays and thermostat is fully operational) 
•  4.3” segment display 
•  Thirteen touch points for display buttons 
•  OTA functionality (reprogrammable via Wi-Fi)