"> Copeland / Emerson Climate Technologies (USA) Discus Series
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Copeland / Emerson Climate Technologies (USA)

Discus Series

Copeland (now Emerson Climate Technologies) is the world's largest manufacturer of refrigeration and air conditioning compressors with headquarters in Sidney, Ohio. The Discus series with patented Discus valve technology is widely used in marine cooling systems, particularly on US-built and Greek ships. The Discus valve technology reduces dead volume and increases efficiency compared to conventional plate valves.

5-100 kW cooling
Capacity
R404A / R407C / R134a / R22
Medium

Components & Design

Component data being added…

Technical Data

type Semi-Hermetic Reciprocating Compressor (Discus Valve)
variant count approx 8
period start year 1990
drive type Electric (integral motor)
construction Cast iron, Discus valve technology, suction gas cooled

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Common failures & inspection points

Discus valve reed breakage from liquid slugging
Motor winding failure from overheating (blocked condenser)
Oil foaming at startup after long standstill
Terminal plate cracks from vibration

Service & Maintenance

Oil level check daily. Discus valve inspection every 15,000-20,000 hrs. Oil change every 5,000 hrs. Suction filter check monthly. Complete overhaul 30,000-40,000 hrs.

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Replacement Parts

Emerson/Copeland global network — widest availability of any refrigeration compressor. Keep onboard: valve plate set, gasket kit. Lead time: 1-2 weeks worldwide.
Equipment Model #37711 · ✓ still in production