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AQR2576NH KNX CO2 Temperature Base Module for Demand-Controlled Ventilation UK British Standard S55720-S208

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AQR2576NH KNX CO2 Temperature Base Module for Demand-Controlled Ventilation UK British Standard S55720-S208

Certification : CE RoHS

Payment Terms : T/T,Western Union

Appearance : Silver-gray

Indicator Function : Power, signal transmission

Packaging Details : Carton

Power Consumption : Approximately 6mA

Application : Residential Buildings Office Buildings

Bus Protocol : Supports KNX wired bus protocol

Place of Origin : EU

Delivery Time : 7 Days

Construction : plastic construction

MOQ : 5

Material : High-quality aluminium alloy

Voltage : 24V AC/DC rated

Touchscreen : 2.8-inch color TFT screen

Model Number : S55720-S208

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AQR2576NH KNX CO2 Temperature Base Module for Demand-Controlled Ventilation UK British Standard S55720-S208

The AQR2576NH is a KNX base module with a built-in maintenance-free NDIR CO2 sensor, built to UK British Standard dimensions and designed to plug onto AQR253x front modules. Powered via KNX bus with S-Mode and PL-Link, it delivers CO2 monitoring, demand-controlled ventilation, and PID-based climate management for British-standard KNX building automation systems.

Technical Specifications

Communication	KNX S-Mode, KNX PL-Link
CO2 Sensor	NDIR type, maintenance-free and recalibration-free
CO2 Measuring Range	0...5000 ppm
Analog Inputs	1 x passive NTC 10k temperature sensor (room, floor, or ceiling)
Digital Inputs	2 x potential-free contacts (window contacts or pushbuttons)
Power Supply	KNX bus, DC 21...29 V, bus load < 5 mA
Temperature Control	PID algorithm; continuous positioning 0...100% or PWM On/Off; pure heating and combined heating/cooling modes
Ventilation Control	3 settable switching steps for humidity and CO2; 3 On/Off signal objects or one 0...100% positioning object for ventilation actuator
Setpoints	Temperature, humidity, and CO2 adjustable via KNX bus
Bus Coupler	Integrated with programming button and LED for ETS commissioning
Mechanical Design	UK (British Standard)
Dimensions (WxHxD)	71 x 71 x 45 mm
Data Sheet	N1411
Warranty	60 months

Key Features

Built-in maintenance-free NDIR CO2 sensor
UK British Standard dimensions
Compatible with AQR253x front modules
Demand-controlled ventilation
PID-based climate management
Integrated bus coupler with programming interface

Applications

Ideal for offices, meeting rooms, hotel guestrooms, schools, and clinics in UK-standard KNX buildings requiring CO2 and climate monitoring with automated ventilation.

Compatible with AQR253x front modules for a complete air quality node; front modules and sensors ordered separately.

AQR2576NH KNX CO2 Temperature Base Module for Demand-Controlled Ventilation UK British Standard S55720-S208 Images

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