The Johnson Controls T-5800-3 is a precision-engineered pneumatic receiver controller designed for demanding commercial and industrial HVAC control applications. Built for flexibility and accuracy, this dual-input proportional controller accepts two pneumatic input signals and delivers reliable, responsive control output in a wide range of building automation and air handling systems.
Direct or Reverse Acting — Field Selectable
One of the standout features of the T-5800-3 is its field-selectable direct or reverse acting operation, combined with field-selectable direct or reverse readjustment. This eliminates the need for separate controller variants on the job site, giving technicians the flexibility to configure the unit to match the exact control sequence required — without returning to the supply house.
Adjustable Proportional Gain
The T-5800-3 features a wide-range adjustable gain setting, configurable from 0.5:1 to 15:1, with the factory default set at approximately 10:1. This broad adjustment range allows the controller to be fine-tuned for optimal proportional response across a variety of system types and load conditions, from slow-responding hydronic systems to faster air-side applications.
Key Features
- Dual pneumatic input receiver controller
- Proportional control action
- Direct or reverse acting — field selectable
- Direct or reverse readjustment — field selectable
- Adjustable gain: 0.5:1 to 15:1
- Factory gain setting: approximately 10:1
- Designed for commercial and industrial HVAC systems
- Johnson Controls quality and reliability
Applications
The T-5800-3 is well suited for use in pneumatic building automation systems where two input signals must be compared, averaged, or otherwise processed to generate a single proportional control output. Typical applications include mixed air control, dual-duct systems, reset control sequences, and other multi-input pneumatic control strategies.
Why Choose the Johnson Controls T-5800-3?
Johnson Controls has a long-standing reputation for building robust, field-proven pneumatic controls. The T-5800-3 continues that tradition with its rugged construction, intuitive field configuration, and versatile gain adjustment — making it a go-to solution for HVAC controls contractors and building automation specialists.
