Fencalc XA2021
Rated values
Equipment performance should be supported by recognised rating information, not marketing claims alone.
How to use the diagram
Read the visual first, then connect each label to the lesson text and your calculator inputs. The aim is to make every assumption visible before you calculate.
Learning Objective
Know what product data is needed to support compliance.
Right sizing
Oversized or poorly controlled systems can undermine efficient operation.
Practice Task
- Review one equipment data sheet.
- Record rated capacity and efficiency values.
Calculator Tip
Attach equipment schedules and data sheets to the report.
Worked Example: Equipment Evidence Check
Scenario
A split unit is specified for two bedrooms, but the product schedule only shows model names.
Calculator Entry
Attach equipment schedules and data sheets to the compliance record.
Step-by-step method
- 1Map each unit to the spaces served.
- 2Collect rated capacity and efficiency evidence.
- 3Check that sizing and controls are appropriate.
- 4Require substitution review if equipment changes.
Expected conclusion
The report should rely on rated performance evidence, not model names alone.
Common Mistakes
- Using marketing claims instead of rated equipment performance evidence.
- Assessing equipment without mapping the spaces served.
- Ignoring equipment substitutions that change capacity or efficiency.
Quick Knowledge Check
1. What should you confirm before applying this lesson to a project?
Rated data exists.
2. Which piece of evidence should support the main input in this lesson?
Review one equipment data sheet.
3. What is the safest action if the information is incomplete?
Flag the missing evidence, use a conservative assumption where appropriate, and avoid claiming compliance until the information is confirmed.