Hydraulic Connections; Working Pressure Adjustment - Wilo Isar BOOST5 Notice De Montage Et De Mise En Service

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7.3

Hydraulic connections

7.4

Working pressure adjustment

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Installation
DANGER
Risk of physical injuries
The applicable regulations for the prevention of accidents must be complied with.
See Fig. 3
1. Adjust the feet to ensure the Wilo-Isar BOOST5 is properly level.
2. Remove the fork covers.
3. Remove the fork with force.
4. Insert the hydraulic connections.
The suction pipe has a minimum diameter of 1" and must be completely water-
tight.
5. Insert the forks correctly.
6. Insert the fork covers.
Installation and hydraulic connection
WARNING
Risk of electric shock
All installation and electrical connection work must be carried out solely by approved
personnel, in accordance with applicable regulations.
WARNING
During the initial phase of installation and maintenance, ensure there is no power
being supplied.
During initial installation and maintenance, ensure the system is not pressurised.
Ensure the power supply network is equipped with protection devices, particularly a
high-sensitivity differential switch (30 mA in class A) adjusted for protection against al-
ternating direct, pulsed unipolar and high-frequency fault currents. Also check that the
connection to the earth complies with the standards.
Check that the details on the plate are those required and adapted to the unit.
Install Wilo-Isar BOOST5 in a room:
ƒ
protected from external conditions (rain, cold, frost etc.),
ƒ
ventilated and free from excessive dust or humidity,
ƒ
in such a way that it is not exposed to harmful vibrations or mechanical stress from
the attached pipes.
The working pressure of the Wilo-Isar BOOST5 is displayed by green LEDs that light up
on the control panel.
It ranges from 1 to 5.5 bar
To adjust:
ƒ
Press the button "+" to display the working pressure.
ƒ
Press the buttons "+" or "-" to increase or reduce the working pressure.
Each time the "+" or "-" buttons are pressed, the value increases or decreases in incre-
ments of 0.5 bar.
Examples:
WILO SE 02/2021