Standard Direct Cool
Single Door Refrigerator Non-Inverter Course
Master fundamental refrigeration systems: mechanical thermostats, start relays, overload protectors (OLP), door gasket replacements, and capillary tube flushing.
Key Syllabus Points
- • Vapor compression refrigeration cycle fundamentals
- • Testing mechanical bellows thermostats and temperature differentials
- • PTC relays, current coil relays, and overload protectors (OLP)
- • Capillary tube choking, oil logging, and filter dryer replacement
- • Door gasket testing and thermal seal replacement
Practical Bench Work
- • Compressor starting terminal identification (Common, Start, Run)
- • Brazing copper service stubs and charging lines safely
- • Nitrogen flushing of oil-logged evaporators
- • Soap bubble leak isolation and vacuum testing
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