CALEFFI QuickSetter+ 132639AFC Руководство - Страница 4
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Installation
132 series
5D
132 series
Pump
10D
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The balancing valves, with built-in flow meter, must be installed by
qualified technical personnel in accordance with the instructions given in
this manual and with current regulations.
Clean the pipes of any debris, rust, welding slag and any other
contaminants.
As in all piping circuits it is important to pay attention to the cleanliness
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of the entire system.
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For optimal operation, any air in the water must be removed.
In order to ensure measuring accuracy, the balancing valves with flow
meter must be installed by keeping a straight section above them at least
as long as five diameters, increased to at least ten diameters if the nearest
device upstream is a pump.
The valves must be installed so that:
- the direction of the flow agrees with that of the arrow on the
valve body.
- there is easy access to the flow meter valve, control stem and dial
with the calibration adjustment range.
The valves can be fitted on either vertical or horizontal pipes.
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Do not install in direct sunlight.
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