"> Sabroe/Johnson Controls CMO 300kW R407C Marine
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Sabroe/Johnson Controls

CMO 300kW R407C Marine

Sabroe/Johnson Controls CMO 300kW R407C Marine — Refrigeration. The supplied category identifies the equipment as Refrigeration Compressor (Screw), and it is normally installed in a provision refrigeration, refrigerated-cargo or HVAC machinery circuit connected to evaporators, condensers and refrigerant controls. In that listed role, its primary purpose is to circulate refrigerant and maintain the pressure difference required for cooling or freezing. Reciprocating and screw compressors differ in compression mechanism and capacity control, but both depend on refrigerant condition, oil management and condenser performance. Within the supplied list, neighbouring variants are distinguished by their model designations and naming, while the source does not state further model-specific hardware differences. No additional performance, approval or construction detail is inferred from the model code beyond the information supplied in the source record. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

cooling capacity kw 300
compressor type screw
refrigerant R407C
evaporating temp c -15
condensing temp c 40

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Common failures & inspection points

Refrigerant leakage through seals, joints or piping reduces cooling capacity and causes low suction pressure or long running periods
Oil starvation or poor oil return causes bearing or compression-element damage, abnormal noise and rising temperature
Liquid refrigerant return causes knocking, unstable suction conditions or mechanical damage
Condenser fouling or poor cooling-water flow raises discharge pressure and causes high-pressure trips
Capacity-control, solenoid or electrical faults cause short cycling, poor temperature control or inability to start

Service & Maintenance

Inspect refrigerant and oil leakage, suction and discharge condition, compressor sound, oil management, electrical protection and capacity controls. Check condenser and evaporator cleanliness and review alarm history. Confirm heaters and solenoids operate correctly where fitted. Refer to the manufacturer documentation for the exact figure for refrigerant charge, oil quantity, pressure and clearance limits.

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Replacement Parts

Carry seals where serviceable, oil filters, approved lubricant, gaskets, solenoid or capacity-control parts, crankcase heaters, contactors and pressure switches.
Equipment Model #112905 · ✓ still in production