1101.1 Scope.

This chapter shall govern the design, installation, construction, alteration and repair of refrigeration systems that vaporize and liquefy a fluid during the refrigerating cycle. Refrigerant piping design and installation, including pressure vessels and pressure relief devices, shall conform to this code. Permanently installed refrigerant storage systems and other components shall be considered as part of the refrigeration system to which they are attached. This chapter shall also govern the change of refrigerants in existing refrigerating systems having a different safety group classification.

1101.2 Factory-built equipment and appliances.

Listed and labeled self-contained, factory-built equipment and appliances shall be tested in accordance with UL 207, 412, 471 or 1995. Such equipment and appliances are deemed to meet the design, manufacture and factory test requirements of this code if installed in accordance with their listing and the manufacturer's instructions.

1101.3 Protection.

Any portion of a refrigeration system that is subject to physical damage shall be protected in an approved manner.

1101.4 Water connection.

Water supply and discharge connections associated with refrigeration systems shall be made in accordance with this code and the New York City Plumbing Code.

1101.5 Fuel-oil and fuel-gas connection.

Refrigeration system devices, equipment and appliances utilizing fuel oil or fuel gas for combustion shall be installed in accordance with the applicable provisions of the New York City Fuel Gas Code and this code.

1101.6 General.

Refrigeration systems shall comply with the requirements of this code and, except as modified by this code, ASHRAE 15. Ammonia-refrigerating systems shall comply with this code and, except as modified by this code, ASHRAE 15 and IIAR 2. Such systems shall be maintained in accordance with the New York City Fire Code.

1101.7 Maintenance.

Mechanical refrigeration systems shall be maintained in proper operating condition, free from accumulations of oil, dirt, waste, excessive corrosion, other debris and leaks.