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UL 60335-2-40
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UL 60335-2-40 2nd Edition, September 15, 2017 UL Standard for Safety Household And Similar Electrical Appliances – Safety – Part 2-40: Particular Requirements for Electrical Heat Pumps, Air-Conditioners and Dehumidifiers
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Description / Abstract:
This part of IEC 60335 deals with the safety of electric HEAT PUMPS, including SANITARY HOT WATER HEAT PUMPS, AIR-CONDITIONERS, and DEHUMIDIFIERS incorporating motor-compressors and hydronic room FAN COILS, their maximum RATED VOLTAGES being not more than 250 V for single phase appliances and 600 V for all other appliances.
1DV.1 DR Modification of the second paragraph of Clause 1 as follows:
Change “250 V” to “300 V” and add the following sentence to the end of the second paragraph “Partial units are within the scope of this Standard.”
1DV.2 D1 Modification of the 2nd paragraph of Clause 1 as follows: Change ″600 V″ to ″15 000 V″.
Appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard. This standard also applies to electric HEAT PUMPS, AIR CONDITIONERS and DEHUMIDIFIERS containing FLAMMABLE REFRIGERANT. FLAMMABLE REFRIGERANTS are defined in 3.121.
The appliances referenced above may consist of one or more factory made assemblies. If provided in more than one assembly, the separate assemblies are to be used together, and the requirements are based on the use of matched assemblies.
NOTE 101 A definition of ‘motor-compressor’ is given in IEC 60335-2-34, which includes the statement that the term motor-compressor is used to designate either a hermetic motor-compressor or semi-hermetic motor-compressor.
NOTE 102 Requirements for refrigeration safety are covered by ISO 5149, and requirements for containers intended for storage of the heated water included in SANITARY HOT WATER HEAT PUMPS are, in addition, covered by IEC 60335-2-21.
This standard does not take into account chemicals other than group A1, A2, or A3 as defined by ANSI/ASHRAE 34 [ISO 817] classification.
Note 102A: Class A2 includes class A2L.
This standard specifies particular requirements for the use of FLAMMABLE REFRIGERANTS. Unless specifications are covered by this standard, including the annexes, requirements for refrigerating safety are covered by ISO 5149.
The sections and clauses in ISO 5149 of particular concern to this standard are as follows:
– Section 3: “Design and construction of equipment” applies to all appliances and systems.
– Section 4: “Requirements for utilization” applies to appliances and systems which are for “similar electrical appliances”, i.e. commercial and light industrial.
– Section 5: “Operating procedures” applies to appliances and systems which are for “similar electrical appliances”, i.e. commercial and light industrial.
1DV.1 DR Modification of the second paragraph of Clause 1 as follows:
Change “250 V” to “300 V” and add the following sentence to the end of the second paragraph “Partial units are within the scope of this Standard.”
1DV.2 D1 Modification of the 2nd paragraph of Clause 1 as follows: Change ″600 V″ to ″15 000 V″.
Appliances not intended for normal household use but which nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard. This standard also applies to electric HEAT PUMPS, AIR CONDITIONERS and DEHUMIDIFIERS containing FLAMMABLE REFRIGERANT. FLAMMABLE REFRIGERANTS are defined in 3.121.
The appliances referenced above may consist of one or more factory made assemblies. If provided in more than one assembly, the separate assemblies are to be used together, and the requirements are based on the use of matched assemblies.
NOTE 101 A definition of ‘motor-compressor’ is given in IEC 60335-2-34, which includes the statement that the term motor-compressor is used to designate either a hermetic motor-compressor or semi-hermetic motor-compressor.
NOTE 102 Requirements for refrigeration safety are covered by ISO 5149, and requirements for containers intended for storage of the heated water included in SANITARY HOT WATER HEAT PUMPS are, in addition, covered by IEC 60335-2-21.
This standard does not take into account chemicals other than group A1, A2, or A3 as defined by ANSI/ASHRAE 34 [ISO 817] classification.
Note 102A: Class A2 includes class A2L.
This standard specifies particular requirements for the use of FLAMMABLE REFRIGERANTS. Unless specifications are covered by this standard, including the annexes, requirements for refrigerating safety are covered by ISO 5149.
The sections and clauses in ISO 5149 of particular concern to this standard are as follows:
– Section 3: “Design and construction of equipment” applies to all appliances and systems.
– Section 4: “Requirements for utilization” applies to appliances and systems which are for “similar electrical appliances”, i.e. commercial and light industrial.
– Section 5: “Operating procedures” applies to appliances and systems which are for “similar electrical appliances”, i.e. commercial and light industrial.