Use this Grade 2 Refrigeration Engineer Assessment to evaluate candidates on FGAS and CO2 knowledge, compressor diagnostics, and commissioning best practices. Sections cover resistance and contactor tests, pump down and oil differential procedures, compressor commissioning, oil system basics, and cabinet controls. Assess familiarity with Carel, RDM, and RCS controllers, network addressing/TP-Link, Danfoss 255 navigation, and lowering receiver pressure via 326. Confirm understanding of pressure strength and leak tests, vacuum levels (micron/torr), drier changes, overload and fuse ratings, scroll rotation, commissioning settings, and operational checks.
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