What is IEC 60335-2-39 ?

IEC 60335-2-40: Safety Requirements and Test Conditions for Electrical Heat Pumps, Air Conditioners, and Dehumidifiers

Electrical heat pumps, air conditioners, and dehumidifiers are essential appliances that provide comfort and air quality to households and similar applications. However, these appliances can pose safety risks if not designed and manufactured according to the safety requirements and test conditions specified by relevant international safety standards. IEC 60335-2-40 is such a standard that aims to ensure the safety of electrical heat pumps, air conditioners, and dehumidifiers during their normal operation and foreseeable abnormal situations.

Key Requirements of IEC 60335-2-40

IEC 60335-2-40 defines several key requirements that manufacturers of electrical heat pumps, air conditioners, and dehumidifiers must comply with. These requirements include:

Electrical safety: The appliance must be designed and manufactured to minimize the risk of electrical shock and fire. This requires the use of appropriate materials for the electrical components, the use of insulating materials, and the provision of appropriate marking and labeling.

Performance: The appliance must be capable of delivering the required thermal energy within a reasonable timeframe. This is determined by subjecting the appliance to a thermal performance test, which evaluates the appliance's ability to maintain a specified temperature over a specified time period.

Safety features: The appliance must be designed and manufactured with safety features that minimize the risk of fire or injury. This includes the provision of automatic fire-fighting systems, emergency stop mechanisms, and clear labeling of fire-preventing components.

Test procedures: The appliance must be tested according to the relevant international safety standards to ensure that it meets the safety requirements and test conditions specified in IEC 60335-2-40.

Conclusion

IEC 60335-2-40 is an essential standard that ensures the safety of electrical heat pumps, air conditioners, and dehumidifiers. By defining specific safety requirements and test conditions, this standard aims to minimize potential hazards associated with these appliances, such as electric shock, fire, and mechanical risks. Compliance with IEC 60335-2-40 is mandatory for manufacturers of these appliances, and failure to comply with the standard can result in legal consequences. Therefore, it is important for manufacturers to carefully review the requirements of IEC 60335-2-40 and ensure that their appliances meet these safety requirements.