Connecting The Pressure Sensors; Dirty Filters; Fan Controls; Connecting The Constant Pressure Or Constant Airflow Equipment - S&P UTBS Serie Manuel D'installation

6.7. CONNECTING THE PrEssUrE sENsOrs

6.7.1. DIrTY fIlTErs

The equipment is equipped with 2 pressure taps on each side of the filters so that a pressure
switch can be installed to control dirt levels in the filters. Section 9.5 presents a table with the
values recommended for filter replacement.

6.7.2. faN CONTrOls

• The unit has 3 pressure taps to maintain the fan at a constant airflow or constant pressure.
To be able to control the fans at constant airflow, factor K shown in the following table must
be entered:
UTBS-2
UTBS-3
UTBS-5
UTBS-8
6.7.2.1 CONNECTING THE CONsTaNT PrEssUrE Or CONsTaNT
aIrflOW EQUIPMENT
K=69
K=84
K=84
K=104
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