Quality appraisal of heat pump dehumidification unit

heat pump dehumidification unit is an efficient, energy-saving and environmentally friendly air conditioning equipment that integrates three functions: constant temperature, heat pump and dehumidification. It uses advanced heat pump technology to convert outdoor heat energy into indoor cold energy, while effectively removing indoor moisture to provide a comfortable and dry indoor environment. The unit has an intelligent control system that can automatically adjust the working status to avoid excessive dehumidification or humidification. Its emergence has improved people's living comfort, contributed to energy conservation, emission reduction, and environmental protection, and will be applied and promoted in more fields in the future.
In the quality case of heat pump dehumidification units, quality appraisal is an essential link. Zhongke Testing provides quality appraisal services for heat pump dehumidification units.

GB 4706.32-2012 Safety of household and similar electrical appliances. Special requirements for heat pumps, air conditioners and dehumidifiers.
GB/T 32503.2-2018 Safety of variable frequency controllers for household and similar purposes. Part 2: Special requirements for variable frequency controllers for heat pumps, air conditioners and dehumidifiers.
CJ/T 528-2018 Swimming pool dehumidification heat recovery heat pump
JB/T 7229-1994 Rotary dehumidifier
JB/T 10538-2005 Explosion-proof dehumidifier and air conditioner
QB/T 4109-2010 Combined rotary dehumidifier
JB/T 7769-1995 Dehumidifier
QB/T 5688-2022 Household dehumidifier

Identification based on JB/T 7769-1995 "Dehumidifier", GB 4706.32-2012 "Safety of Household and Similar Electrical Appliances - Special Requirements for Heat Pumps, Air Conditioners and Dehumidifiers", GB/T 32503.2-2018 "Safety of Household and Similar Inverter Controllers" Part 2: Special Requirements for Variable Frequency Controllers for Heat Pumps, Air Conditioners and Dehumidifiers" and other national standards require that the following items of the product are inspected: dehumidification performance, dehumidification power consumption, markings and instructions; protection against contact with live parts; moisture resistance, leakage current and electrical strength, structure, power connection and external flexible wires, terminal blocks for external wires, grounding measures, screws and connections, etc.

1. Case and number: a certain model of heat pump dehumidification unit
2. Client: a court in Guangdong Province
3. Commission matters: technical appraisal of the following matters through on-site inspection:
1. Appraisal of whether the quality of the "certain model of heat pump dehumidification unit" involved in the case meets industry standards.
2, identify the quality failure of a certain model of heat pump dehumidification unit involved in the case.
3. Appraisal of whether the products produced by this equipment comply with relevant national or industry standards.
4. Date of acceptance: XX, XX, 20XX
5. Appraisal materials: 1. Letter of authorization for judicial appraisal 2. Civil complaint 3. Transcript 4. Purchase and sale contract 5. Equipment photos 6. Safety operating procedures
6. Appraisal location: A paper factory in a certain district of Guangzhou City
7. Appraisal process (omitted)
0 8. Comprehensive analysis and inspection results (omitted)
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