Interpretation requires
- knowledge of the meanings of abbreviations and symbols
- comprehension of related mathematics
- understanding of blueprint layout and assembly standards
and includes
- reading and calculating measurements
- determining symbols’ relationships to other elements in the diagram or schematic
- following instructions, specifications, and notes
to explain the operation of, make material lists for, and troubleshoot the depicted system.
Process/Skill Questions:
- Why is interpretation of a diagram necessary to make a material list?
- How does one incorporate a knowledge of mathematics with the servicing of HVAC systems?