P70AB-2CQ Johnson Controls Pressure Control

Overview

The Johnson Controls P70AB-2CQ is a low pressure control designed primarily for commercial refrigeration and air conditioning applications. It functions as a low-pressure cut-out, pump-down control, or capacity control, operating on system pressure changes to actuate an electrical switch. This single-pole single-throw (SPST) open-low control is built for use with non-corrosive refrigerants.

Features

• All-steel case and cover provide rugged protection for internal components.
• Sight-set calibrated pressure adjustment displays a visible scale for easy settings without removing the cover.
• SPST open-low switch action cuts out when pressure drops to the specified low point.
• Equipped with a 36-inch capillary with a 1/4-inch flare nut pressure connector.

Specifications

• Brand: Johnson Controls
• Model: P70AB-2CQ
• Switch Type: SPST (Open on Fall / Open Low)
• Reset Type: Automatic
• Pressure Range: 20 in. Hg to 100 psi
• Differential Range: 7 psi to 50 psi (Adjustable)
• Pressure Connection: 36 in. Capillary with 1/4 in. Flare Nut
• Maximum Overpressure: 325 psig
• Enclosure: Type 1 NEMA Standard

Applications

• Commercial refrigeration systems for low-pressure cut-out and pump-down control.
• Commercial air conditioning systems for capacity control and compressor management.
• Suitable for other non-corrosive fluid application monitoring where automatic reset is required.