Migration of refrigerant to the compressor’s crankcase during an off cycle is a serious problem, as significant compressor damage can occur if the problem is not remedied.
High-pressure switches are designed to shut down a compressor if the system’s high pressure rises above an unsafe level, not allowing the compressor to restart until the pressure returns to a safe level.
Polyurethane tubing providing durability, natural flexibility, excellent weathering characteristics, and good chemical resistance and offered by the company are unreinforced, braid-reinforced, and a style designed for pneumatic applications, the company said.
Ideally suited for new commercial HVACR applications and deep retrofits, the line of fully integrated, intelligent pumping systems now features the MLE variable-speed motor in ranges of 3-30 hp for building services.
A low-voltage inverter designed for HVAC motor control of fans and pumps in air conditioning equipment applications, the FRENIC-HVAC Drive provides the optimal environmental control to maintain comfortable conditions in commercial spaces and industrial facilities while generating efficiency beyond typical motor starters.