P170MA-18C Johnson Controls Pressure Control

Overview

The Johnson Controls P170MA-18C is a heavy-duty dual pressure control designed primarily for use as a combination high- and low-pressure control in commercial refrigeration and air conditioning applications. It features a single-pole, single-throw (SPST) switch action that responds directly to system pressure changes on both the high and low sides, providing single-device safeguarding for the compressor.

Features

• Rugged all-steel case and cover for long-lasting component protection
• Sight-set calibrated pressure adjustment with a visible pressure scale
• Manual reset lockout mechanism on the high-pressure side for enhanced system safety
• Automatic reset on the low-pressure side

Specifications

• Low Side Pressure Range: 12 in. Hg to 80 psi
• Low Side Differential Range: 5 to 35 psi
• High Side Pressure Range: 100 to 425 psi
• Switch Configuration: SPST
• Compatible Fluid: Non-corrosive refrigerants

Applications

• Commercial refrigeration systems
• Air conditioning equipment
• High-pressure cutout and compressor protection
• Condenser fan cycling and head-pressure control