The Johnson Controls P100AP-200 is an encapsulated, direct-mount pressure control engineered specifically for condenser fan cycling applications in commercial and residential HVAC systems. Featuring open construction and automatic reset, this SPST control reliably manages condenser fan operation based on refrigerant system pressure, helping to protect equipment and maintain system efficiency across a wide range of ambient conditions.
How It Works
The P100AP-200 operates on a pressure-drop principle — the switch opens when system pressure drops to 195 PSIG and closes again once pressure recovers to 275 PSIG. This differential action cycles the condenser fan motor in response to actual system pressure, preventing low-pressure conditions that can lead to poor system performance or compressor damage.
Key Features
- Encapsulated design for enhanced durability and environmental protection
- Direct-mount configuration for simplified field installation
- SPST (Single-Pole, Single-Throw) switching action
- Opens on pressure drop — Open at 195 PSIG
- Closes on pressure rise — Close at 275 PSIG
- Automatic reset — no manual intervention required after trip
- Open construction for easy inspection and serviceability
- Designed specifically for condenser fan cycling duty
Electrical Specifications
- Contact Voltage Rating: 120/240 Vac
- Switch Action: SPST
- Reset Type: Automatic
Pressure Specifications
- Open Set Point: 195 PSIG
- Close Set Point: 275 PSIG
- Differential: 80 PSIG
Typical Applications
- Condenser fan cycling control on rooftop units and split systems
- Head pressure control in low-ambient cooling applications
- Refrigeration system pressure management
- Commercial and light commercial HVAC equipment
Why Choose the Johnson Controls P100AP-200
Johnson Controls is a globally recognized leader in HVAC controls and building automation. The P100AP-200 reflects their commitment to reliable, field-proven technology. Its encapsulated construction protects internal components from moisture and contaminants, while the direct-mount design reduces installation time and eliminates the need for additional mounting hardware. Automatic reset minimizes service calls and keeps systems running without manual reset after normal pressure cycling events.
