AS NZS 60335.2.89:2020 pdf free.Household and similar electrical appliances—Safety Part 2.89: Particular requirements for commercial refrigerating appliances and ice-makers with an incorporated or remote refrigerant unit or motor- compressor.
For appliances with a remote refrigerant unit, the refrigerant unit is connected to the cabinet in accordance with the instructions provided with the appliance before testing.
For the tests of 22.111, 22.112 and 22.113, the appliance is empty with doors or lids closed, or roller blinds closed or open, whichever is the more unfavourable, and is installed as follows.
Appliances, other than built-in appliances, are placed in a test enclosure, the walls of which enclose the appliance as closely as possible to all its sides and top surface, unless the manufacturer indicates in the instructions that a free distance shall be observed from the walls or the ceiling, in which case this distance is observed during the test. lithe appliance has a remote refrigerant unit or motor-compressor, then only the refrigerated display and storage cabinet is installed in the test enclosure, the remote refrigerant unit or motor- compressor is placed on the floor of the test corner away from walls.
For appliances incorporating remote refrigerant units or remote motor-compressors, the refrigerant line between the refrigerant unit or motor-compressor and the refrigerated display and storage cabinet shall have a length of 5 m to 7,5 m. The refrigerant line shall be installed with thermal insulation applied in accordance with the instructions, lithe appliance employs R-744 refrigerant in a transcritical refrigeration system, a pressure relief device shall be installed on the high-pressure side between the motor-compressor and the gas cooler unless it is pre-fitted to the motor-compressor.
5.101 Appliances that use flammable refrigerants and that, according to the instructions, may be used with other electrical appliances inside a food/ice storage compartment are tested with such recommended appliances incorporated and in operation as they would be in normal use.
NOTE An example of such electrical appliances are deodorizers.
Ice-makers that use flammable refrigerants and that, according to the instructions, may be used in conjunction with accessories such as ice-bins are tested with such recommended accessories installed and in operation as they would be in normal use.
AS NZS 60335.2.89 pdf download.