T/ZJCX 0022-2022
Active
T/CAS 474-2021
Active
Group standards
T/CAS 474-2021 Household electric auxiliary heating gas-fired quick water heater
T/CAS 474-2021 Household electric auxiliary heating gas-fired quick water heater
Price:
$ 20.00
Basic Information
Standard Code:
T/CAS 474-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Building materials
ICS Name:
Gas heater
Publish Date:
2021-02-05
Implement Date:
2021-02-05
Scope
Scope: 1 Scope This standard specifies the requirements, test methods, inspection rules, and marking, installation, packaging, transportation, and storage for household gas instantaneous water heaters with electric auxiliary heating (hereinafter referred to as "water heaters"). This standard applies to household gas instantaneous water heaters with an electric auxiliary heating capacity of not more than 70 kW (hereinafter referred to as "water heaters"), and does not apply to gas volume-type water heaters. Main Technical Content: 1 Scope This standard specifies the requirements, test methods, inspection rules, and marking, installation, packaging, transportation, and storage for household gas instantaneous water heaters with electric auxiliary heating. This standard applies to household gas instantaneous water heaters with an electric auxiliary heating capacity of not more than 70 kW (hereinafter referred to as "water heaters"), and does not apply to gas volume-type water heaters. 2 Normative Reference Documents The following documents are essential for the application of this document. For documents with a specified date, only the version specified on that date applies to this document. For documents without a specified date, the latest version (including all amendment sheets) applies to this document. GB 6932–2015 Domestic Gas Instantaneous Water Heaters 3 Terms and Definitions The terms and definitions defined in GB 6932–2015 and the following terms and definitions apply to this document. 3.1 Domestic Gas Instantaneous Water Heater with Electric Auxiliary Heating A household gas instantaneous water heater with one or more electric auxiliary devices that heat the water flowing through the electric auxiliary device. 3.2 Cycle Preheating Noise at Electric Auxiliary Heating The noise value measured when the electric auxiliary device circulates and preheats the pipeline in models with built-in pumps.
Development Information
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