• Solenoid-Driven Capacity Control: Features a solenoid-actuated energy regulation mechanism with 100% and 50% capacity steps, dynamically adjusting cooling output to match fluctuating load requirements. Modulates displacement during part-load cycles to maintain stable evaporating temperatures, prevent rapid motor cycling, and reduce operational power consumption.
• Optimized Crankshaft & Reciprocating Kinematics: Engineered around a heavy-duty 4-cylinder platform with dynamically balanced crankshaft, integrated counterweights, and wear-resistant bronze wrist pin bushings. Optimized drive geometry minimizes radial friction, dampens gas pressure pulsations, and delivers exceptional mechanical endurance during continuous low-temperature duty.
• INT6902 Electronic Motor Protection: Integrates an INT6902 electronic motor protection module that actively tracks motor winding temperatures and power quality, shielding the motor from thermal overheating, phase loss, and supply voltage imbalances.
• Efficient Suction Gas-Cooled Motor: Built with internal flow channels that route cool returning suction gas directly across the motor housing. Designed for dual-frequency grids (400V/50Hz and 460V/60Hz PW), the multi-refrigerant motor ensures reliable performance with R22, R407C, R134a, R404A, and R507.

• Commercial Frozen Logistics & Cold Rooms: Ideal for large supermarket walk-in freezers, central cold storage hubs, and food holding facilities.
• Quick-Freezing Tunnels & Blast Chilling: Designed for high-capacity quick-freezing tunnels in meat, seafood, and bakery processing plants.
• Parallel Multi-Compressor Rack Systems: Well-suited for supermarket parallel compressor racks subject to wide daily load swings.
• Industrial Low-Temperature Process Cooling: Suitable for chemical process chilling, pharmaceutical storage, and low-temperature fluid loops.

Coolstart is a modern, large-scale refrigeration enterprise with over 20 years of industry experience. We specialize in supplying semi-hermetic compressors, scroll compressors, screw compressors, reciprocating compressors, rotary compressors, cold storage equipment, quick-freezing systems, and ice-making machinery. Supporting full-category OEM and ODM customization, Coolstart delivers reliable refrigeration products to clients across the United States, Russia, the United Kingdom, the United Arab Emirates, Saudi Arabia, and other global markets through technical innovation and dedicated service.