This standard specifies the definition, type and basic parameters, technical requirements, tests, inspection rules, signs, packaging, transportation and storage of multi-connected air-conditioning (heat pump) units (hereinafter referred to as "units"). This standard applies to multi-connected air-conditioning (heat pump) units. Double refrigeration cycle system and multi-refrigeration cycle system can refer to this standard.
GB/T 18837-2002 history
0000 GB/T 18837-2015(XG1-2021)
2022GB/T 18837-2015 Multi-connected air-condition(heat pump) unit