QAA2280.FWSC TEMPERATURE SENSOR

Description

The QAA2280.FWSC is a Siemens room-temperature sensor with full HMI (Human Machine Interface) designed for HVAC and building automation systems. It is used with Siemens Terminal Equipment Controllers (TEC/ATEC/PTEC) to monitor and control room temperature with high accuracy and user interaction features.

This device is commonly installed in offices, commercial buildings, hotels, and smart HVAC systems, where it provides both temperature sensing and local setpoint control.

Key Features

• Room temperature sensor with full HMI display
• Designed for Siemens TEC / BACnet controller systems
• Integrated LCD for real-time temperature reading
• Built-in setpoint adjustment buttons
• User override function for HVAC control
• RJ-11 plug-and-play communication with controller
• Bottom tool port for commissioning and service access
• High-accuracy temperature sensing for room comfort control
• Wall-mounted compact design
• Easy installation with standard electrical back box
• Modern ventilation design for accurate air sensing
• Suitable for intelligent building automation systems

Specifications

• Product Type: Room Temperature Sensor / HMI Unit
• Model: QAA2280.FWSC
• Series: Siemens QAA2200 / QAA3200 Series
• Manufacturer: Siemens

• Temperature Range: approx. 13°C to 35°C (55°F to 95°F operating set range)
• Accuracy: ±0.5°C to ±0.9°F (variant dependent)
• Sensor Type: Thermistor (10K / P1 communication depending on controller)
• Output Signal: Siemens proprietary P1 / TEC communication
• Display Type: LCD digital display (full HMI)
• Communication: RJ-11 interface to Siemens controller
• Supply Voltage: 18–36 V DC or 24 V AC (controller powered)
• Mounting Type: Wall-mounted (standard back box compatible)
• Housing Material: Industrial-grade plastic
• Operating Environment: Indoor HVAC-controlled spaces
• Application: Room temperature monitoring, HVAC zone control, building automation systems