Standard No.:	GB/T 14294-2026
English Name:	Central-station air handling unit
Chinese Name:	组合式空调机组
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR, SAC
Issued on:	2026-01-28
Implemented on:	2026-8-1
Status:	to be valid
Superseding:	GB/T 14294-2008 Central-station Air Handling Units
Target Language:	English
File Format:	PDF
Word Count:	25000 words
Translation Price(USD):	790.0
Delivery:	via email in 1~3 business day

Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and designation 5 General requirements 6 Requirements 7 Test methods 8 Inspection rules 9 Marking, packaging, transportation and storage Annex A (Information) Test methods for sound insulation performance of casing Annex B (Normative) Test methods for air flow rate, air pressure, input power and specific fan power air per volume flow rate of the unit Annex C (Normative) Field test methods for air flow rate, air pressure, input power and specific fan power air per volume flow rate of the unit Annex D (Normative) Test methods for cooling capacity, heating capacity, cooling energy efficiency ratio and heating coefficient of performance of the unit Annex E (Normative) Field test methods for cooling capacity, heating capacity, cooling energy efficiency ratio and heating coefficient of performance of the unit Annex F (Normative) Test methods for casing deformation rate of the unit Annex G (Normative) Test methods for air leakage per casing area of the unit Annex H (Normative) Test methods for filter bypass leakage rate of the unit Annex I (Normative) Test methods for heat transfer coefficient and thermal bridge coefficient of the casing Annex J (Normative) Test methods for unit noise transmitted by the unit into the air openings