Description
P145 Series Lube Oil Pressure Cutout Control with Time Delay - 120 second time delay, factory set at 9 psi, for Copeland compressors.
The P28 and P128 Series Controls provide dependable low pressure lube oil cut-out for pressure lubricated refrigeration compressors. The P145 is factory set to compressor manufacturer's specifications.
The P45 control provides dependable, low lube oil pressure protection for refrigeration compressors. The low-adjustable factory-set pressure setting provides operation to the compressor manufacturer's specification. A built-in time delay relay, compensated for ambient temperature, allows for pressure pick-up on start and avoids nuisance shutdowns on short duration pressure losses during the running cycle.
It measures net oil pressure available to circulate oil through the compressor's lubrication system. Net oil pressure is the difference between oil pump pressure and the crank case pressure. The P145 controls feature a 1/4 in. external flare pressure connection which may be used with a refrigerant hose or cap tube such as SEC99 UltraCap.
Features
* Ambient compensated time delay relay
* Trip-free manual reset
* Industry standard
* P145 is factory set to compressor manufacturer's specifications
Specifications
* Brand / Manufacturer: Johnson Controls / PENN
* Model / Part Number: P145NCA-12
* Type: P145 Series Lube Oil Pressure Cutout Control with Time Delay
* Time Delay (OEM, P145NCA-12C base): 120 seconds
* Heater Circuit (OEM): 120/240 VAC
* Type of Reset (OEM): Manual
* Factory Setting (OEM): Non-adjustable, factory set 9 psi (62 kPa)
* Range (OEM): 7/60 psi (50/400 kPa) time delay shutdown range. The time delay heater de-energizes at 3 psi (21 kPa) pressure difference above the setting
* Compressor Fit (OEM): Copeland compressors
* Refrigerant (OEM): Non-corrosive, all-range
* Maximum Allowable Overrun Pressure (OEM): 425 psig (2930 kPa)
* Pressure Connection (OEM): 1/4 in. external flare (Style 5)
* Cross-Reference (OEM): The P145NCA-12C is the replacement for the P45NCA-12 (Copeland model) and replaces Ranco P30-5826
* Dash Number Note: The Johnson Controls selection charts list this calibration as the P145NCA-12C. The -12 dash shares the same base; confirm the construction option against the unit
* Relay Note (OEM): Relay is not field-replaceable
* Accessories (OEM): Some controls are supplied less mounting brackets. If brackets are required, order kit number BKT38A-600 or BKT38A-601. SEC99 UltraCap Hose must be ordered separately
* Reference Documentation: P45 and P145 Series Oil Pressure Cutout Controls with Built-in Time Delay Relay Product Bulletin, Code No. LIT-125445; P45 Series Lube Oil Pressure Cutout Control (With Time Delay) Catalog Page, LIT-1927200
* Condition: New
Johnson Controls / Johnson Controls
P145NCA-12 / P145NCA12
P145NCA-12 / P145NCA12
Warranty Information
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