This document stipulates the classification marking and structure, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage and quality commitment of full-heat heat recovery fresh air units. This document applies to ERV new exhaust ventilation units (hereinafter referred to as "units") that recover exhaust air energy in heating, ventilation, air conditioning, and purification systems and perform cold, hot, wet, and filtering pretreatment of fresh air. This document does not apply to ERC heat recovery units.
T/ZZB 2988-2022 history
2022T/ZZB 2988-2022 Full heat type heat recovery fresh air unit