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Johnson Controls Metasys AS AS-UNT1108-0

Product image is representative; revision or series may vary. Contact us to request a specific version.

AS-UNT1108-0

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The AS-UNT1108-0 controller is a unitary controller or UNT that was designed by Johnson Controls in the UNT1100 controller series. It features multiple input options, including 6 analog inputs (with RTD temperature elements and 0-10 VDC, 0-2 VDC-rated transmitters) and 6 binary (24 VAC inputs). The controller also has 8 binary outputs with 2A and 24 VAC pilot relays. The AS-UNT1108-0 controller requires 24 VAC of voltage with 50/60 Hertz at 40 VA.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for AS-UNT1108-0

ManufacturerJohnson Controls
Product LineMetasys AS
Part NumberAS-UNT1108-0
Weight0.25 lbs (0.11 kg)
SeriesUNT1100
TypeUnitary Controller (UNT)
Analog Inputs6 analog inputs
Binary Inputs6 binary inputs
Analog Outputs0 analog outputs
Relay Outputs8 relay outputs
Power Requirements24V AC, 50/60 Hz at 40 VA for a typical system
Operating Temperature-40 to 60°C (-40 to 140°F)
Storage Temperature-40 to 70°C (-40 to 158°F)
N2 CommunicationSupported
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The AS-UNT1108-0 controller is a UNT or Unitary Controller, and it is part of the UNT1100 series by Johnson Controls. It is an electronic control device for HVAC systems. The AS-UNT1108-0 controller can be used in an HVAC system that serves one room or zone. It can control heat pumps, unit ventilators, fan coils, and air-handling units. Users can also configure the AS-UNT1108-0 controller to operate as a generic I/O or input/output device if it is used in a METASYS network. The AS-UNT1108-0 controller can handle basic point-monitoring applications when it operates as a generic I/O device. This controller offers multiple input and output options, ensuring compatibility with various systems and system devices. This controller can operate as a standalone device in a small system. The AS-UNT1108-0 controller supports 6 analog inputs, allowing for flexible sensor integration. Additionally, it features 6 binary inputs that enable easy integration with external devices. The AS-UNT1108-0 controller also has 8 relay outputs but no analog outputs. It supports an N2 bus as a communication option. The AS-UNT1108-0 controller’s operating temperature range is between -40 and 60 degrees Celsius (-40 and 140 degrees Fahrenheit). It can operate with 10 to 90% relative humidity in its environment. The controller’s storage temperature range is between -40 and 70 degrees Celsius (-40 and 158 degrees Fahrenheit. It can be stored at a relative humidity level between 10 and 90%. The AS-UNT1108-0 controller can support 32K of RAM, 64K of ROM, and 24K of EEPROM. Its shipping weight is about 0.43 kg or 0.95 lb.