Lenze MDxMA Three-phase AC motors ATEX 3D category - Manual (Page 6)

Mechanical installation
Installation / mounting condition
Preparation
2
6 BA 12.0031 EN 2.1
2 Mechanical installation
2.1 Preparation
ƒ It must be checked that the data given on the nameplate of the motor and in the
order confirmation text comply with the permissible explosion-proof application
conditions on site:
– Ex group
– Ex category
– Zone
– Maximum surface temperature
ƒ The use of the geared motor is only permissible at an ambient temperature of -20 °C
to +40 °C unless the nameplate bears another temperature.
2.2 Installation / mounting condition
Danger!
ƒ Parts of the geared motor consist of aluminium and must be protected
against external shocks in order to prevent shock sparks.
ƒ
The geared motors must not be used in systems with cathodic protection!
ƒ The geared motors must be included in the equipotential bonding of the
system.
ƒ
The installation of the geared motors must be carried out in such a way that
a sufficient dissipation of heat loss is ensured and the fan of the motor can
supply the cooling air required for safe operation.
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