The Johnson Controls P100AP-9 is a reliable encapsulated pressure control designed for direct-mount installation in a wide range of HVAC and refrigeration applications. Featuring a Single-Pole Single-Throw (SPST) switching action, this control opens on a pressure drop, providing dependable low-pressure safety protection for compressors and refrigerant circuits.
Key Features
- Encapsulated construction for enhanced durability and protection against environmental contaminants
- Direct-mount design for simplified, compact installation
- SPST switching action — opens on pressure drop for low-pressure cutout protection
- Open construction allows for easy field inspection and servicing
- Automatic reset operation — restores normal operation once pressure recovers
- Wide voltage compatibility: 120/240 Vac contact ratings
- Factory-set setpoints for consistent, repeatable performance
Electrical & Pressure Specifications
- Contact Configuration: SPST (Single-Pole Single-Throw)
- Contact Voltage Rating: 120/240 Vac
- Open (Cut-Out) Setpoint: 25 PSIG
- Close (Cut-In) Setpoint: 80 PSIG
- Reset Type: Automatic
- Switching Action: Opens on pressure drop
Installation & Design
- Mounting Style: Direct mount
- Construction Type: Open construction for accessibility
- Encapsulated design protects internal components from moisture and debris
- Suitable for use in commercial refrigeration and HVAC system low-pressure protection circuits
Application
The P100AP-9 is ideal for use as a low-pressure safety cutout in commercial refrigeration systems, air conditioning equipment, and HVAC applications where compressor protection from low refrigerant pressure is critical. The automatic reset feature minimizes downtime by restoring system operation once safe pressure levels are re-established, without requiring manual intervention.
