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Johnson Controls Metasys AS AS-UNT1126-0

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AS-UNT1126-0

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The AS-UNT1126-0 controller is a unitary controller from Johnson Controls. It is part of the UNT1100 series. The AS-UNT1126-0 controller is designed to regulate various devices in a single-zone HVAC system. It has 6 analog inputs that can handle 1K ohm RTDs and transmitters that are rated at 0-10 Volts DC and 0-2 Volts DC. It has 6 binary inputs that operate at 24 Volts AC. It processes data from sensors and devices efficiently when it operates.

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Technical specifications for AS-UNT1126-0

ManufacturerJohnson Controls
Product TypeUnitary Controller (UNT)
Product LineMetasys AS
Part NumberAS-UNT1126-0
Weight0.88 lbs (0.40 kg)
SeriesUNT1100
Analog Inputs6 analog inputs
Binary Inputs6 binary inputs
Analog Outputs2 analog outputs
Binary Outputs6 binary outputs
Power Requirements24V AC, 50/60 Hz, at 40 VA
Operating Temperature Range-40 to 60°C
Zone Bus InterfaceSupported
N2 InterfaceSupported
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The AS-UNT1126-0 controller is a UNT or unitary controller that was designed by Johnson Controls. It is part of the Johnson Controls UNT1100 product series. Its primary function is to control devices in various HVAC systems digitally. This controller can be installed in an HVAC system that serves a single zone or single room. It can control ventilators, packaged air-handling units, heat pumps, fan coils, and other types of HVAC terminals digitally. The AS-UNT1126-0 controller has 6 analog inputs that can handle 1K ohm RTD temperature elements and transmitters that are rated at 0-10 Volts DC or 0-2 Volts DC. Additionally, it features 6 binary inputs that operate at 24 Volts AC. The AS-UNT1126-0 unitary controller operates by receiving input data from sensors and other devices in an HVAC system, processes that information, and then issues commands to control other components of the system. It has 2 analog outputs that are rated at 0-10 Volts DC at 10 mA, and it has 6 binary outputs that have 2 Amps and 24 Volts AC-rated pilot relays. The AS-UNT1126-0 controller operates at 24 Volts AC with 50/60 Hertz at 40 VA. This controller functions reliably within a wide ambient temperature range from -40 to 60 degrees Celsius, and its storage temperature range is from -40 to 70 degrees Celsius. It meets a variety of industrial standards. The AS-UNT1126-0 controller supports N2 and Zone Bus interface options. Its memory includes 32K of RAM, 64K of ROM, and 24K of EEPROM. The AS-UNT1126-0 unitary controller has an 80C652 processor.