Description
The Johnson Controls P29AC-3 is a reliable low pressure cutout control engineered for commercial and industrial HVAC and refrigeration applications. Featuring automatic recycle operation, this control continuously monitors system pressure and automatically resets once safe operating conditions are restored — eliminating the need for manual intervention and reducing system downtime.
A built-in 90-second time delay prevents nuisance tripping caused by momentary pressure fluctuations, protecting compressors and refrigeration equipment from unnecessary cycling. The wide pressure sensing range of 20″ Hg to 100 PSIG makes the P29AC-3 suitable for a broad spectrum of refrigerant systems and low-side pressure monitoring applications.
Key Features
- Auto recycle operation — automatically resets when safe pressure is restored
- Wide sensing range: 20″ Hg vacuum to 100 PSIG
- 90-second time delay prevents nuisance tripping from transient pressure drops
- Dual voltage compatibility: 120/240 Vac
- Designed for low-side pressure cutout protection in refrigeration and HVAC systems
- Compact, rugged construction for dependable field performance
Specifications
- Brand: Johnson Controls
- Model / SKU: P29AC-3
- Control Type: Low Pressure Cutout, Auto Recycle
- Voltage: 120/240 Vac
- Pressure Range: 20″ Hg to 100 PSIG
- Time Delay: 90 Seconds
Applications
- Commercial refrigeration compressor protection
- Low-side pressure monitoring on HVAC systems
- Chiller and condensing unit low pressure safety cutout
- Any application requiring automatic pressure-based compressor cycling control
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