The system testing cap is a fundamental tool for verifying the airtightness and correct installation of a central vacuum system. Used in combination with a vacuum gauge, it allows the installer to assess system performance before the final flooring is installed. The cap is suitable for both standard installations and systems featuring the Sense retractable hose, providing a reliable and versatile solution for system commissioning.
How the Testing Cap Is Used
During system testing, the testing cap is used to seal all backplates before the vacuum inlets are installed. A vacuum gauge is then inserted into one free inlet to assess the airtightness of the entire pipe network. This procedure verifies:
- Maximum vacuum level delivered by the power unit
- Operating vacuum level under normal system use
- Correct installation of pipes and fittings, ensuring no air leaks
Vacuum Gauge Verification
Using the vacuum gauge, the following values are measured during the test:
- Maximum depression produced by the central vacuum unit
- Operating depression of the installed system
- Installation integrity, confirming that the pipe network is fully sealed
Factors Influencing Test Results
The values detected by the vacuum gauge may vary based on several factors, including:
- Power of the vacuum unit
- Ambient temperature
- Relative humidity
- Altitude and its effect on atmospheric pressure
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