Marine Refrigeration System Troubleshooting

Scott fratcher marine engineer captain.

Marine refrigeration system troubleshooting.

The coolblue marine refrigeration unit is designed to be cruiser serviceable without detailed refrigeration system training. Reading assorted treatises on marine refrigeration only elevated my angst. From dc models suitable from 50 to 400 liters up to 230v models suitable for large cold rooms. Many system malfunctions can be solved by diyers using nothing more than a multimeter and a little forethought.

Refrigeration system is one of the most important machinery systems on board ships that requires continuous monitoring and maintenance from ship s engineers. How to identify various faults in refrigeration system causes for the faults and actions to be taken to troubleshoot those problems in refrigeration system are detailed in this article. Various experts on web forums warned direly of the dangers of getting air into the system failing to purge the refrigeration gauges overcharging with refrigerant and blinding oneself with escaping gases. In reefer ships the temperature of the perishable or temperature sensitive cargo such as food chemical or liquefied gas is controlled by the refrigeration plant of the ship.

12v 24v marine refrigeration self help troubleshooting advice including answers to questions about compressors capillary tube blockage r134a charge guidelines power supply testing and rfi noise reduction. That means it would take 1 5 hours to cool that gallon of water if it didn t have to keep the box cool at the same time. Contrary to popular belief troubleshooting a boat s refrigeration can be tackled without gauges. A danfoss bd 35 compressor the marine refrigeration industry standard along with the larger bd 50 at high speed can remove 248 btu s per hour at 90 degree ambient temps and with a 0 degree evaporator temp common in fridges.

This troubleshooting video cover. Trouble shooting marine refrigeration and marine air. Refrigeration is a cooling process of taking away the heat from the. The repair would have involved tracing and repairing it then.

From more then 40 years the brand frigoboat represents the excellence in the marine refrigeration with a wide range of systems. Faults like under charging over charging air in the system moisture in the system oil in the system flooding will be discussed here. Learn about eight most common problems that are seen in ship s refrigerated system. The refrigeration plants on merchant vessels play a vital part in carrying refrigerated cargo and provisions for the crew on board.