The range of scroll compressors for residential and light commercial applications include R-410A, R-407C, and R-22 models. The compressors’ lightweightDanfoss: Scroll Compressorscompact construction has the same footprint and equivalent connection position as competitor models, says the company. According to the manufacturer, the scroll compressors are less likely to break down as there are no threaded fasteners and has one-half the hermetic welds and 30 percent fewer parts than competitor models. The units have a very simple and innovative disk check valve placed in the compressor fixed scroll, a highly optimized motor, and an adaptive control system, which reduce pressure drop and avoid reverse rotation noise at shutdown.

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