This standard specifies the terms and definitions, general requirements, requirements, test methods, inspection rules, marking, packaging, transportation and storage of heat cost allocators with electrical energy supply.
This standard is applicable to the heat cost allocators with electrical energy supply (hereinafter referred to as "heat cost allocator") in the indoor hot water heating system of building, use for measuring the heating load of radiator and allocating the calculated heat dissipating capacity; it's not applicable to forced convection radiator, steam radiator and wall (floor, roof, etc.) radiant heating system.
2 Normative References
The following documents are essential to the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
GB 4208 Degrees of Protection Provided by Enclosure (IP Code)
GB/T 13754 Test Methods of Thermal Output of Heating Radiators
GB/T 17626.2-2006 Electromagnetic Compatibility (EMC) - Testing and Measurement Techniques - Electrostatic Discharge Immunity Test
JGJ 173 Technical Specification for Heat Metering of District Heating System
3 Terms and Definitions
For the purposes of this standard, the following terms and definitions as well as those specified in GB/T 13754 and JGJ 173 apply. For the convenience of application, some terms and definitions specified in GB/T 213754 and JGJ 173 are listed below.
