This part of GB/T 25127 specifies the terms, definitions, types, and basic parameters, requirements, test methods, inspection rules, markings, packaging, transportation, and storage of low ambient temperature air source heat pump (cold water) units (hereinafter referred to as "units") driven by electric motors for household and similar purposes. This part is applicable to heat pumps (cold water) with a cooling capacity of not more than 50 kW and air as the heat (cold) source A unit that can produce hot water at an ambient temperature of not less than -20 ° C, and other similar units can refer to it. 2 Normative References: The clauses in the following documents are incorporated into this part of GB/T 25127 by reference. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions do not apply to this section. However, parties to agreements based on this section are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this section. GB/T 1720 Test Method for Adhesion of Paint Films GB/T 2423.17 Basic Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test Ka: Salt Spray (GB/T 2423.17) 17-2008, IEC 60068-2-11: 1981, IDT) GB/T 10870 Performance Test Methods for Positive Displacement and Centrifugal Cold Water (Heat Pump) Units GB/T 13306 Labeling GB/T 13384 General Technical Conditions for Mechanical and Electrical Product Packaging GB/T 17758 Unit Air Conditioners GB/T 18430.1-2007 Steam Compression Cycle Cold Water (Heat Pump) Units Part 1: Industrial or Commercial and Similar Cold Water (Heat Pump) Units GB/T 18430 2-2007 Steam compression cycle cold water (heat pump) units - Part 2: Household and similar cold water (heat pump) units - GB 19577 Energy efficiency limits and energy efficiency levels for water chillers - GB 25131 Safety requirements for steam compression cycle cold water (heat pump) units - JB/T 4330-1999- Determination of noise in refrigeration and air conditioning equipment - JB/T 7249 Terminology of refrigeration equipment
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China