This standard specifies the units and symbols of the commonly used quantities of heating, ventilating and air-conditioning purification equipment, which are suitable for the commonly used quantities of technical performance in this field.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | P04 | ICS | 91.140.30 |
| Release Date | 2023-05-23 00:00:00 | Implementation Date | 2023-12-01 00:00:00 |