Copeland scroll compressor ZR series of flexible features: 1, two flexible design, high energy efficiency: energy efficiency on the market the most advanced piston compressor is higher by 12%; 2, outstanding reliability: fewer moving parts, the shaft Copeland patents to design and radial flexibility provides an unprecedented ability to hit resistance and tolerance to impurities in the liquid; 3, built-in motor short-circuit device: can effectively protect the motor from high temperature and high currents damage; 4, low noise / low row gas pulse: the noise level is lower than the piston compressor 5 dB or more; 5, simplify system design: The unique design allows unloaded start without starting single-phase compressor start capacitor / relay without oil heater and a gas-liquid separation in most applications , a 100% volumetric efficiency bring extraordinary heating capacity; 6 available from 2HP to 30HP compressor for refrigerants include R22, R507, R134A and the like.