Description
Johnson Controls – P545NCB-25C Electronic Lube Oil Control SPDT
The P545 Series Electronic Lube Oil Control is designed for use on refrigeration compressors equipped with an oil pump that accepts a single-point differential pressure switch. The P400 switch continuously monitors net lube oil pressure and the P545 control locks out the compressor if lube oil pressure falls below the manufacturer’s recommended net pressure for longer than the recommended lube oil time delay. Front-mount Light-Emitting Diodes (LEDs) indicate the status of the lubrication system, and a user-selectable, minimum-off time delay can be set to minimize compressor short cycling. A Johnson Controls/PENN® R310AD Current Sensing Switch, sold separately, may be used to disable the P545 control lockout circuit during abnormal compressor shutdowns.
Features and Benefits
- Single-Pole Double-Throw (SPDT) Relay Contacts for Liquid Line Solenoid and Alarm Applications.
- Relay Contact Output for Compressor.
- Built-in Test Circuit.
- Improved Noise Immunity.
- Selection of Anti-short Cycle Time Delay.
- User-Friendly Display Panel.
- Backwards Compatibility.
Johnson Controls #P545NCB-25C Specifications
- Height (In.): 6 in
- Width (In.): 4 in
- Pressure Range (PSI): Fixed 10
- Type: Electronic
- Item: Lube Oil Control
- Time Delay (Sec.): 90
- Country of Origin (subject to change): Mexico
- Depth (In.): 3 in
- Pressure Connection: Single Point P400
- Voltage: 120/240
- Includes: Sensor and Wire Harness
- For Use With: P400BD-1
- Capillary Length (In.): 48 in
The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office or representative. Johnson Controls shall not be liable for damages resulting from misapplication or misuse of its products.
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