Household and similar refrigerating appliances computer program controls
1 Scope
This document specifies the requirements for household and similar refrigerating appliances computer program controls, describes contents of corresponding test methods, inspection rules, markings, packaging, transportation and storage, and provides product classification and designation suitable for technical specifications.
This document is applicable to the design, manufacture and inspection of household and similar refrigerating appliances computer program controls (hereinafter referred to as "computer program controls").
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2423.10 Environmental testing - Part 2: Test methods - Test Fc: Vibration (sinusoidal)
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test method - Test Ka: Salt mist
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB 4343.1-2018 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 1: Emission
GB/T 4343.2-2020 Electromagnetic compatibility requirements for household appliances, electric tools and similar apparatus - Part 2: Immunity
GB/T 4677-2002 Test methods of printed boards
GB/T 4798.1-2019 Classification of environmental conditions - Classification of groups of environmental parameters and their severities - Part 1: Storage
GB/T 4798.2 Classification of environmental conditions - Classification of groups of environmental parameters and their severities - Part 2: Transportation and handling
GB/T 14536.1-2022 Automatic electrical controls - Part 1: General requirements
GB 17625.1-2022 Electromagnetic compatibility - Limits - Part 1: Limits for harmonic current emissions (equipment input current ≤ 16A per phase)
GB/T 22685 Packaging and label on controls for household and similar use
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 14536.1-2022 and the following apply.
3.1
computer program controls
computer program controls composed of microprocessors as the core, electric signals as the reference, thyristors or devices with a similar use as the execution switch, and peripheral circuits (such as the signal acquisition device, driving device, switch execution device, etc.)
3.2
steady state
state where the room temperature reaches the set temperature and the temperature fluctuation does not exceed ±1K after the refrigerating appliance is powered on
4 Classification and designation
The manufacturer shall classify and designate the computer program controls according to the requirements of the supplier and the purchaser. See Annex A for the classification and designation of the computer program controls.
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A
(Informative)
Classification and designation of the computer program controls
Contents
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Informative) Classification and designation of the computer program controls