Johnson Controls Touchscreen Thermostat | T9800-TB21-1JAO | Humidity Sensor

Description:
The Johnson Controls T9800-TB21-1JAO is an advanced touchscreen HVAC thermostat designed to seamlessly integrate into Building Automation Systems (BAS) via Modbus or BACnet protocols. Ideal for 2-pipe and 4-pipe FCUs, this high-performance model supports single-speed, 3-speed, and ECM fans, and is equipped with built-in humidity sensing and 0–10VDC input for direct connection to IAQ or CO₂ sensors—streamlining installation and reducing system complexity.

With its support for occupancy mode, dry contact sensors (e.g., door cards, PIR, dew point), and compatibility with JCI 10K NTC remote sensors, the T9800-TB21-1JAO enables intelligent energy management. It’s suitable for controlling a wide range of HVAC systems such as FCUs, AHUs, boilers, floor heating, and water-source heat pumps, making it a highly versatile solution for modern commercial, industrial, and residential applications.

Key Features:
⦁ Model: T9800-TB21-1JAO – Touchscreen Thermostat with BAS Integration
⦁ Protocol Support: BACnet & Modbus communication for smart building systems
⦁ Humidity Sensor Built-In: Enables advanced environmental control
⦁ System Compatibility: Supports 2-pipe / 4-pipe FCU, AHUs, boilers, floor heating, and more
⦁ 0–10VDC Input: Directly connects to CO₂ or IAQ sensors for simplified design
⦁ Fan Control: Compatible with single-speed, 3-speed, and ECM motors
⦁ Energy Saving: Occupancy mode enables efficient temperature and fan speed control
⦁ Sensor Support: Integrates with JCI 10K NTC sensors (e.g., TE-636S-1), PIR, door card, dew point, pressure switches
⦁ Versatile Applications: Ideal for offices, hospitals, hotels, and residential automation systems
⦁ Interface: Sleek touchscreen with intuitive, user-friendly controls
⦁ Smart Control: Supports on/off and regulating valves for comprehensive HVAC management