Description
The Johnson Controls P170CA-1 is a high-performance high pressure control engineered for reliable refrigerant system protection in commercial and light industrial HVAC/R applications. Featuring a Single-Pole Single-Throw (SPST) switching action that opens on a pressure rise (Open-High), this control automatically interrupts the circuit when system pressure exceeds the set point, safeguarding compressors and refrigerant circuits from damaging over-pressure conditions.
Designed for use with non-corrosive refrigerants, the P170CA-1 covers a broad operating range and offers a wide adjustable differential, making it highly adaptable to a variety of system configurations and operating requirements.
Key Features
- SPST switching action — Opens on high pressure (Open-High) for compressor and system protection
- Wide pressure range: 20″ Hg to 100 PSI for versatile application coverage
- Adjustable differential: 7–50 PSI to fine-tune system response
- 1/4″ external flare connector for easy field installation and compatibility with standard refrigerant line fittings
- Suitable for all range controls used with non-corrosive refrigerants
- Multi-voltage electrical ratings: 120/208/240 VAC for broad compatibility with commercial electrical systems
Specifications
- SKU: P170CA-1
- Brand: Johnson Controls
- Switch Type: SPST
- Action: Open on High Pressure (Open-High)
- Pressure Range: 20″ Hg to 100 PSI
- Differential Range: 7–50 PSI (adjustable)
- Connection: 1/4″ External Flare
- Refrigerant Compatibility: Non-Corrosive Refrigerants
- Electrical Rating: 120/208/240 VAC
Applications
- Commercial refrigeration systems
- Air conditioning and heat pump equipment
- Compressor protection and high-side pressure monitoring
- Systems utilizing non-corrosive refrigerants requiring pressure safety controls
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