Description
Johnson Controls P499ACP-101K Pressure Transducer Overview
The Johnson Controls P499ACP-101K is a precision pressure transducer engineered for reliable pressure measurement in commercial HVAC, building automation, and refrigeration applications. Designed to deliver accurate, repeatable readings across a 0–100 PSI range, this transducer outputs a standard 4–20 mA signal that integrates seamlessly with building automation systems (BAS), controllers, and data acquisition equipment.
Key Features
- Pressure range: 0–100 PSI for broad HVAC and refrigeration coverage
- Output signal: 4–20 mA for long-distance, noise-immune signal transmission
- Connection: 1/4″ SAE Flare internal thread with built-in depressor (Style 47) for direct refrigerant line connection
- Includes 6.5-foot (approx. 2 m) pre-wired harness for quick, clean installation
- Compact, robust construction suited for demanding field environments
- Compatible with Johnson Controls and third-party BAS controllers accepting 4–20 mA inputs
Connection & Wiring
The P499ACP-101K features a 1/4″ SAE Flare internal thread fitting with an integrated depressor (Style 47), allowing direct connection to Schrader-type service ports commonly found on refrigerant circuits. The included 6.5-foot wire harness simplifies field wiring, reducing installation time and the need for additional cable assemblies.
Applications
- Refrigerant suction and discharge pressure monitoring
- Chiller and heat pump system pressure sensing
- Building automation and energy management systems
- Commercial HVAC equipment pressure feedback loops
- Variable refrigerant flow (VRF) and split system diagnostics
Why Choose the P499ACP-101K?
As part of Johnson Controls’ trusted P499 series, the P499ACP-101K combines industrial-grade accuracy with installer-friendly features. The 4–20 mA output ensures signal integrity over long wire runs, while the SAE flare connection with depressor eliminates the need for separate Schrader adapters. The pre-attached wire harness further streamlines commissioning on the job site.
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