Wilo Stratos GIGA Série Notice De Montage Et De Mise En Service page 90

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Permitted installation positions with
horizontal motor shaft
Fig. 23: Permitted installation positions
with horizontal motor shaft
Permitted installation positions with
vertical motor shaft
4 x 90°
Fig. 24: Permitted installation positions
with vertical motor shaft
Changing the component arrange-
ment
84
1
2
The permitted installation positions with horizontal motor shaft and
electronic module facing up (0°) are shown in Fig. 23. The permissible
installation positions with electronic module mounted on the side
(+/- 90°) are not shown. Any installation position is allowed except for
"electronic module facing down" (- 180°). The venting of the pump is
only ensured when the air vent valve is pointing upwards (Fig. 23,
Item 1).
Only in this position (0°) can condensate be directed away via an
existing drilled hole, pump lantern and motor (Fig. 23, Item 2).
The permitted installation positions with horizontal motor shaft are
shown in Fig. 24. All installation positions except for "motor facing
down" are allowed.
The motor impeller unit can be arranged in four different positions,
relative to the pump housing (each shifted by 90°).
NOTE:
To make the installation work easier, it can be helpful to install the
pump in the piping without electrical connection and without filling
of the pump or system (see chapter 10.2.1 "Replacing the mechanical
seal" on page 111 for installation steps).
• Rotate the motor impeller unit by 90° or 180° in the desired direction
and install the pump in the reverse order.
• Fasten the holder of the differential pressure sensor (Fig. 7, Item 6)
with one of the screws (Fig. 7, Item 3) on the side opposite the elec-
tronic module (the position of the differential pressure sensor relative
to the electronic module does not change when doing this).
• Wet the O-ring (Fig. 7, Item 11) well before installation (do not install
the O-ring in a dry condition).
NOTE:
Be sure that the O-ring (Fig. 7, Item 11) is not installed in a twisted
position or squeezed during installation.
• Before commissioning, fill the pump/system and apply system pres-
sure; check for leaks afterwards. If there is a leak at the O-ring, first air
will come out of the pump. This leakage can, for example, be checked
WILO SE 10/2017

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