T/GDGCC 5(T/CPQSE0006)-2020 Active Group standards

T/GDGCC 5(T/CPQSE0006)-2020 Gas-fueled heating and hot water system for a heat pump water heater

Publish Date: 2020-07-22 Implement Date: 2020-07-23 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GDGCC 5(T/CPQSE0006)-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Heating, gas supply, air conditioning, and refrigeration engineering

ICS Name: Other facilities in the building

Publish Date: 2020-07-22

Implement Date: 2020-07-23

Scope

Scope: This standard specifies the terms and definitions, classification and parameters, materials and structures, requirements, testing methods, inspection rules, marking, warnings and instructions, packaging, transportation, and storage of gas heating water heaters (hereinafter referred to as "appliances"). This standard applies to household gas heating and domestic hot water appliances with a rated heat input of not more than 70 kW, a maximum heating working water pressure of not more than 0.3 MPa, and an operating water temperature of not more than 95 °C, as well as to single heating water appliances. This standard applies to non-condensing heat exchanger and condensing heat exchanger appliances. This standard does not apply to the following appliances: - Natural exhaust flue-type and outdoor-type appliances; - Volume-type appliances; - Appliances that use two separate combustion systems for heating and hot water in the same housing, including appliances with a common flue for both systems. Main technical content: 1. The structure of this standard is basically consistent with the national standard GB 25034-2010 "Gas Heating Water Heaters". 2. Compared with GB 25034-2010, this standard also includes condensing appliances in its scope. 3. The requirements for the use of renewable materials have been added, and the content of restricted substances should comply with the provisions of GB/T 26572. 4. The performance requirements chapter of this standard highlights user-sensitive and concerned performance indicators and raises the requirements, such as gas system sealing, heat load, surface temperature rise, combustion characteristics, thermal efficiency, hot water output characteristics, and NOx emission requirements. In addition, indicators that are not easy to understand or have low sensitivity for users have been changed to indicators that are easier for users to understand. 5. Optional requirements have been added, including green report requirements, whole-m