Acceptable solutions may include one, or a combination, of the nofollowing:

• leak detection system appropriate to the applicable refrigerant with automatic alarm if presence of refrigerant is measured outside the refrigeration system

• level measurement in refrigeration system with alarm for low level • refrigerant volumes must be logged at regular intervals, as a minimum once per week, to detect slow leaks.The intent of this paragraph is to ensure that leaks to the atmosphere are avoided, or kept to a minimum.

The efficiency and practical layout need to be evaluated when deciding what approach to use for leak detection.MM2000® – Refrigerant Gas Leak Detection SystemMM2000® is an intelligent addressable gas detection system designed to provide refrigerant gas detection for ships in line with MARPOL Annex VI Regulation 12 – Ozone Depleting Substances.

Refrigerant gases are monitored continuously by fixed gas sensors installed in the vicinity of refrigeration and air conditioning machinery. Class societies advocate the use of fixed leak detection systems for environmental protection (e.g. Lloyds EP Notation).

The MM2000® system operates on a single 4-core cable having the capacity to monitor from 1 to 32 addressable sensors.The control system provides local indication of the measured parameters and alarm conditions together with relay contacts to shut down air conditioning or refrigeration plants as necessary.

• Type Approved

• Loop sensor cable for low cost installation

• No moving parts

• Continuous monitoring of all locations

If you would like more information can help you to meet these new changes, email your questions to This email address is being protected from spambots. You need JavaScript enabled to view it.

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