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Johnson Controls AS-UNT1144-0 Unitary HVAC Controller with 20 I/O Points
- Regular price
- $1,365.00
- Sale price
- $1,365.00
- Regular price
-
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Product Description P/N: AS-UNT1144-0
Description
The Johnson Controls AS-UNT1144-0 is a Unitary Controller designed to provide programmable control for commercial HVAC equipment within Metasys building automation systems. It supports multiple analog and binary inputs and outputs, allowing precise monitoring and control of heating, ventilation, and air conditioning processes. Although discontinued by the manufacturer, the AS-UNT1144-0 remains a reliable replacement controller for maintaining existing Johnson Controls installations.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Johnson Controls |
| Category | HVAC |
| Part Number | AS-UNT1144-0 |
| Subcategory | HVAC Control System Board |
| Product Type | Unitary Controller |
| Analog Inputs | 6 |
| Analog Input Types | 1 kΩ RTD, 0–2 VDC, 0–10 VDC |
| Binary Inputs | 6 Dry Contact, 24 VAC |
| Analog Outputs | 4, 0–10 VDC at 10 mA |
| Binary Outputs | 4 Class 2 Relay Outputs |
| Relay Rating | 2 A at 24 VAC |
| Supply Voltage | 24 VAC Class 2 |
| Mounting | Surface Mount or 35 mm DIN Rail |
| Application | Commercial HVAC Control |
| Manufacturer Status | Discontinued by Manufacturer |
| Weight | 0.12 kg |
Information About AS-UNT1144-0
The AS-UNT1144-0 is part of the Johnson Controls Unitary Controller family developed for standalone and networked HVAC control applications. It features programmable control logic with support for analog sensors, binary inputs, analog outputs, and relay outputs, enabling flexible control of rooftop units, air handling units, heat pumps, and similar equipment. The controller accepts 1 kΩ RTD temperature sensors, voltage inputs, and dry-contact signals while providing analog and relay outputs for actuators and controlled devices. Its compact housing supports either surface mounting with screws or DIN rail installation, making it suitable for new installations and retrofit projects.
Key Features:
- Programmable HVAC Controller: Designed for precise control of commercial heating and cooling equipment.
- Six Analog Inputs: Supports 1 kΩ RTD sensors along with 0–2 VDC and 0–10 VDC input signals.
- Six Binary Inputs: Accepts 24 VAC dry-contact signals for equipment monitoring.
- Four Analog Outputs: Provides 0–10 VDC outputs at 10 mA for modulating control devices.
- Four Relay Outputs: Includes Class 2 relay outputs rated at 2 A at 24 VAC.
- Flexible Mounting Options: Supports both surface mounting and 35 mm DIN rail installation.
- HVAC Equipment Compatibility: Suitable for air handling units, rooftop units, and other commercial HVAC applications.
- Integrated Control Platform: Combines multiple I/O functions within a compact controller.
The AS-UNT1144-0 delivers the reliability and precision required for programmable commercial HVAC equipment control and building automation applications.
Description
The Johnson Controls AS-UNT1144-0 is a Unitary Controller designed to provide programmable control for commercial HVAC equipment within Metasys building automation systems. It supports multiple analog and binary inputs and outputs, allowing precise monitoring and control of heating, ventilation, and air conditioning processes. Although discontinued by the manufacturer, the AS-UNT1144-0 remains a reliable replacement controller for maintaining existing Johnson Controls installations.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Johnson Controls |
| Category | HVAC |
| Part Number | AS-UNT1144-0 |
| Subcategory | HVAC Control System Board |
| Product Type | Unitary Controller |
| Analog Inputs | 6 |
| Analog Input Types | 1 kΩ RTD, 0–2 VDC, 0–10 VDC |
| Binary Inputs | 6 Dry Contact, 24 VAC |
| Analog Outputs | 4, 0–10 VDC at 10 mA |
| Binary Outputs | 4 Class 2 Relay Outputs |
| Relay Rating | 2 A at 24 VAC |
| Supply Voltage | 24 VAC Class 2 |
| Mounting | Surface Mount or 35 mm DIN Rail |
| Application | Commercial HVAC Control |
| Manufacturer Status | Discontinued by Manufacturer |
| Weight | 0.12 kg |
Information About AS-UNT1144-0
The AS-UNT1144-0 is part of the Johnson Controls Unitary Controller family developed for standalone and networked HVAC control applications. It features programmable control logic with support for analog sensors, binary inputs, analog outputs, and relay outputs, enabling flexible control of rooftop units, air handling units, heat pumps, and similar equipment. The controller accepts 1 kΩ RTD temperature sensors, voltage inputs, and dry-contact signals while providing analog and relay outputs for actuators and controlled devices. Its compact housing supports either surface mounting with screws or DIN rail installation, making it suitable for new installations and retrofit projects.
Key Features:
- Programmable HVAC Controller: Designed for precise control of commercial heating and cooling equipment.
- Six Analog Inputs: Supports 1 kΩ RTD sensors along with 0–2 VDC and 0–10 VDC input signals.
- Six Binary Inputs: Accepts 24 VAC dry-contact signals for equipment monitoring.
- Four Analog Outputs: Provides 0–10 VDC outputs at 10 mA for modulating control devices.
- Four Relay Outputs: Includes Class 2 relay outputs rated at 2 A at 24 VAC.
- Flexible Mounting Options: Supports both surface mounting and 35 mm DIN rail installation.
- HVAC Equipment Compatibility: Suitable for air handling units, rooftop units, and other commercial HVAC applications.
- Integrated Control Platform: Combines multiple I/O functions within a compact controller.
The AS-UNT1144-0 delivers the reliability and precision required for programmable commercial HVAC equipment control and building automation applications.
