Name:
VA-89-07-3 -- Documentation of DDC Systems PDF
Published Date:
1989
Status:
Active
Publisher:
ASHRAE
Direct digital control (DDC) technology has introduced considerable change to the HVAC industry. While advances in this technology have been quick, changes to the methods and structure of documentation for DDC systems has progressed more slowly. Documentation has become "computerish" to the point that many HVAC professionals and users find it difficult to understand. A process flow diagram, depicting the relationships of the various elements in the control process, will make the DDC system easier to depict and comprehend.
| File Size : | 1 file , 230 KB |
| Note : | This product is unavailable in Russia, Belarus |
| Number of Pages : | 2 |
| Product Code(s) : | D-27236 |
| Published : | 1989 |
