ABB TPL85-B14 Operation Manual page 48

NOTICE
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Operation
Underpressure measurement on filter
silencer
With a clean filter silencer (and clean filter mat, if provided), the maximum
pressure loss (A) is 120 mm H
When the pressure loss (A) has reached 200 mm H
Clean filter silencer.

Reading off pressure loss
The measuring rod on the U-tube manometer can be withdrawn to the
bottom water level so that the pressure differential (A) can be easily
read off.
The U-tube manometer can be read off more easily if slightly coloured
water is poured in.
Operation Manual / TPL85-B14/-B15/-B16
4
4.5
O at full load.
2
2
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