SOLAS Refrigeration case studies
SOLAS Refrigeration · Put your knowledge to work in context.
The SOLAS Refrigeration and Air Conditioning Apprenticeship is an Irish craft apprenticeship delivered within the Generation Apprenticeship system, the central route to skills development in Ireland described on apprenticeship.ie. SOLAS (with the HEA and Government of Ireland) backs the national apprenticeship framework, and this trade sits among the craft apprenticeships listed in the official apprenticeship directory and training-location pages. The SOLAS Refrigeration case studies are 5 cases and about 2,878 words.
1Ceiling Ice and a Frozen Drain Pan in a -22 °C Cold Store
A 12 m × 8 m × 3 m cold store holds palletised frozen food at -22 °C. Two 6 kW electric-defrost air coolers run four defrosts per day, 45 minutes each, terminated at 12 °C coil temperature with a 10 °C fan delay.
624 words, about 3 min2High-Pressure Trip on a Roof-Well Split System
A 5 kW R410A wall-mounted split serves a communications room with a year-round sensible load. The outdoor unit sits in a screened roof well 1.2 m from a parapet, and two other condensers discharge into the same well.
613 words, about 3 min3Trolley-Damaged R290 Display Cabinet in a Trading Aisle
A supermarket display cabinet uses 320 g of R290 (propane) in a sealed hermetic system. The cabinet stands in a busy aisle beside a checkout.
575 words, about 3 min4High Condensing Pressure on a Water-Cooled Chiller
A 180 kW R134a water-cooled chiller serves a process cooling loop. Design condenser water is 30 °C in and 35 °C out, with a design condensing temperature of 40 °C.
529 words, about 3 min5Vacuum Rise After a Filter-Drier Replacement
After replacing a liquid-line filter drier and repairing a pinhole in the suction header, a technician commissions a -25 °C R448A blast freezer. The system charge is 45 kg.
537 words, about 3 min