Lenze MDxMA-MHxMA-MFxMA-MDERA-MHERA Three-phase AC motors - Manual (Page 27)

Mechanical installation
Preparation
5
l
27 BA 33.0005−EN 2.0
(
Stop!
During transport and storage, condensation drain holes (see Fig. 1) are sealed
with plugs to protect them from pollution. Remove the plugs prior to
commissioning!
0
Fig. 1 Motor with condensation drain holes
0 Condensation drain holes
)
Note!
ƒ Depending on the mounting position, the condensation drain holes are
always at the bottom of the motor!
ƒ For condensate drainage
– the motor must be deenergised;
– the plugs (screws) must be removed.
(
Stop!
To restore the enclosure, re−insert the plugs (screws) after condensate
drainage. If the condensation drain holes are not sealed again, the IP enclosure
of the motor will be reduced. For horinzontal motor shafts to IP23 and for
vertical motor shafts to IP20.
The required maintenance intervals strongly depend on the corresponding ambient and
operating conditions. Initially, the condensation drain holes should be opened more
frequently (at least once a week) to obtain experimental values for the condensate
quantity arising.