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JOHNSON CONTROLS Mechanical Lube Oil Pressure Control: 8 psi to 70 psi, 90 sec Delay - Mechanical Lube Oil Pressure Controls
JOHNSON CONTROLSMechanical Lube Oil Pressure Controls

JOHNSON CONTROLS Mechanical Lube Oil Pressure Control: 8 psi to 70 psi, 90 sec Delay

The JOHNSON CONTROLS Mechanical Lube Oil Pressure Control (MPN P28AA-1C) is a mechanical lube oil pressure control designed for use with Ranco compressors and non-corrosive refrigerants. It operates with a 120V AC…

SKU 3G-OTH-67125

Brand
JOHNSON CONTROLS
Item
Mechanical Lube Oil Pressure Control: 8 psi to 70 psi, 90 sec Delay
Category
Mechanical Lube Oil Pressure Controls
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Technical Specifications

JOHNSON CONTROLS
Manufacturer Part Number
P28AA-1C
Type
Alarm Circuit Included
Delay
90 sec
Product Type
Mechanical Lube Oil Pressure Control
Input Voltage
120V AC
Refrigerant Type
Non-Corrosive
For Compressor Brand
Ranco
Alarm Circuit Included
Yes
View Full Spec Sheet

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JOHNSON CONTROLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON CONTROLS Mechanical Lube Oil Pressure Control (MPN P28AA-1C) is a mechanical lube oil pressure control designed for use with Ranco compressors and non-corrosive refrigerants. It operates with a 120V AC input voltage and includes an alarm circuit. The control features a pressure range of 8 psi to 70 psi with a 90-second delay.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Johnson Controls P28AA-1C mechanical lube oil pressure control used for?

The Johnson Controls P28AA-1C is a mechanical lube oil pressure control that protects Ranco compressors in refrigeration systems using non-corrosive refrigerants. It monitors oil pressure and triggers an alarm if pressure drops outside the 8 psi to 70 psi range, with a 90-second delay to avoid nuisance trips.

What are the specifications of the Johnson Controls P28AA-1C?

The Johnson Controls P28AA-1C has a pressure range of 8 psi to 70 psi, a 90-second delay, and operates on 120V AC input voltage. It includes an alarm circuit and is designed for non-corrosive refrigerants with Ranco compressors. The manufacturer part number is P28AA-1C.

Where to buy the Johnson Controls P28AA-1C worldwide?

3G Electric supplies the Johnson Controls P28AA-1C mechanical lube oil pressure control to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this genuine Johnson Controls part.

How to install a mechanical lube oil pressure control like the P28AA-1C?

Install the Johnson Controls P28AA-1C by connecting it to the compressor oil pump discharge line and the crankcase. Set the cut-out pressure within the 8 psi to 70 psi range and adjust the 90-second delay as needed. Always follow the manufacturer's wiring diagram for the 120V AC alarm circuit and use non-corrosive refrigerant.

Used in

Common applications for JOHNSON CONTROLS
Industrial refrigeration — Johnson Controls P170SA-1C dual pressure control for compressor protection in ammonia or halocarbon systems
Chiller plant automation — Johnson Controls VA7810-HGA-2 electric globe valve actuator for modulating chilled water flow in VG7000 series valves
Pneumatic HVAC retrofit — Johnson Controls T-4002-302 conversion kit for upgrading existing Robertshaw thermostats in commercial buildings
Cooling tower water management — Johnson Controls V-4332-1007 pneumatically actuated diaphragm valve for 3-way diverting of water flow
Boiler fuel oil pressure monitoring — Johnson Controls P545NCB-25C electronic lube oil pressure control with alarm for burner management systems
Process pressure sensing — Johnson Controls P599AAPS105C pressure transmitter with IP67 rating for washdown zones in food and beverage plants

JOHNSON CONTROLS Products

3G Electric supplies JOHNSON CONTROLS mechanical lube oil pressure controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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