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Use and Maintenance Manual
Residential Vacuum Units
Final system trial
4.5
The final system trial is the first proof of guarantee for GENERAL D'ASPIRAZIONE users.
While building work is still in progress, before floors are laid, the system is already capable of operating.
At this stage it is possible therefore to check the satisfactory operation of the system, and to make any
corrections if necessary.
The special patented cover can be used to hermetically seal the suction hole in the suction point, allowing
the correct operation of the system to be checked easily and in only a few minutes.
There are two possible moments at which the final system check can be made:
1. after the vacuum pipes have been installed;
2. before floors are laid.
The installation technician and the site manager can therefore offer users a guarantee of perfect operation,
allowing any problems to be identified and solved before building work has been concluded.
The system trial has three phases:
1. the suction pressure generated by the main vacuum unit is measured with the vacuum meter provided;
2. the main vacuum unit is connected to the system pipe;
3. the suction pressure is tested at suction points to check that it is always constant.
When the trial has been completed, if the system is not operating perfectly it will be possible to locate the
place where it is damaged.
IMPORTANT:
Before operate the system, the installer should perform a trial of each suction point
installed by checking the correct start-up and shutdown of the main vacuum unit
>>> Residential Vacuum Units Installation
Figure 16
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