Section 4 Refrigerant detection systems
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 7 Other Ship Types and Systems - Chapter 15 Refrigeration Systems and Equipment Serving Provision Stores and Air-Conditioning Installations - Section 4 Refrigerant detection systems

Section 4 Refrigerant detection systems

Parent topic: Chapter 15 Refrigeration Systems and Equipment Serving Provision Stores and Air-Conditioning Installations

4.1 General

4.1.1 A fixed refrigerant detection system is to be provided in the refrigerating machinery compartment or space and ventilation outlet ducts when the ventilation system is shared with other compartments.

4.1.2 The alarm system is to comply with the requirements of Pt 6, Ch 1 Control Engineering Systems and, as a minimum requirement, the system is to activate at a low-level concentration to give warning of refrigerant leaks, and at a high-level concentration corresponding to the refrigerant’s safe occupational level.

4.1.3 Detection equipment is to be so designed that it may be readily tested and calibrated; any failure of the equipment is to initiate an alarm.

4.1.4 The location of the detectors is to be determined relative to the layouts of the individual compartments and machinery spaces and are to be indicated in the plan submission.

4.1.5 Audible and visual alarms are to be activated, located both inside and outside the affected space. The alarms are to be readily identifiable and be visible and audible in all locations within the space housing the refrigeration equipment.

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