AS-UNT-111-1 | JOHNSON CONTROLS Unitary Controller

Description 

The AS-UNT111-1 digital controller from the Johnson Controls Metasys series. It is a unitary controller for HVAC systems, with 6 analog and 4 binary inputs. The unit also has 2 analog outputs and 6 binary outputs unique to AS-UNT1X1-1. The terminal input and output terminations are quick to connect spade lugs. The AS-UNT111-1 UNT can be set up to control a wide range of HVAC equipment, such as packaged air handling units, unit ventilators, fan coils, heat pumps, and others.

Technical Specifications 

Information About AS-UNT-111-1

Johnson Controls AS-UNT111-1 digital controller is an upgraded UNT or unitary controller for heating, ventilation, and cooling systems; in an HVAC system, this controller can be used to operate a unit vent or a fan coil. It has six (6) binary outputs that provide precise switching and control of different devices and components. It also has two analog outputs for continuous signal control of suitable equipment. The AS-UNT111-1 UNT-based digital controller N2 isolation capability is a standout feature, ensuring reliable communication and protecting the controller from potential electrical interference. As a result, this unitary controller can improve system performance and stability largely. It also provides configurable TRIAC (bidirectional triode thyristor) operation, allowing it to combine various load types. For example, the AS-UNT111-1 UNT can function with either a high-side or low-side TRIAC option, broadening the controller's potential applications and satisfying specific application needs. Furthermore, this digital controller can work in temperatures ranging from 32 to 140 degrees Fahrenheit. In a typical setup, the controller requires 24 24-volt AC supply at 50/60 hertz frequency and has a power consumption value of 40 VA (volt-amp); also, it has a power draw rating of 10 VA or 400 mA. This unitary controller originates from the Metasys network; this UNT is CSA-certified and UL-listed. This controller contains 8K of EEPROM, 64K of ROM, and 32K of RAM memory. It supports Zone Bus and N2 interfaces. Overall, this MS-NAE4510-2 is a strong and adaptable tool for managing and controlling a wide range of building automation devices.

Manufacturer information

Johnson Controls is a multinational company specializing in building technologies, including HVAC systems, controls, batteries, and safety equipment. Founded in 1885, it is a leader in creating intelligent buildings for efficient and sustainable environments.

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