Before commencing an HVAC air balancing project it is important to plan carefully and do a preliminary survey in order to determine what conditions you will be working with and if they are appropriate for the changes you will be making.
A successful balancing valves project calls for a systematic approach. Preliminary work entails gathering plans and specifications, preparing report forms, inspecting the job site, the distributions system, and preparing report forms. Additionally, it is important to perform the following tasks
- Conduct initial tests on all fans and pumps in the targeted system
- Adjust any fans or pumps as needed
- Take preliminary and final readings after adjustments have been made
Once your initial survey is complete, you should determine if the system has a sufficient amount of valves for proper balancing and if there are factors that may contribute to unbalance, such as a kitchen or fume exhaust fan. Sometimes these fans do not have proper circulation. It is also important to consider how accessible the system is and if there will be any delays due to high ceilings, spline ceilings, or difficult to reach equipment.
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