Replacing The Fan In Units Up To 180 Mm Wide - Siemens 6SE7011-5EP60 Operating Instructions Manual

05.2003
10.1.3 Replacing the fan in units 135 mm wide
Removal
DANGER
Installation
DANGER
10.1.4

Replacing the fan in units up to 180 mm wide

Internal fan
DANGER
Siemens AG 6SE7087-6JP60
SIMOVERT MASTERDRIVES
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To replace the fan, the inverter has to be disconnected from the supply
and removed.
♦ Before you exchange the fan, the converter must be disconnected
from the power supply and removed.
♦ Undo the four fan mounting screws and take out the fan.
♦ Disconnect the leads on the fan.
♦ Fit the new fan in the reverse order.
♦ Make sure that the arrow indicating the direction of air flow points to
the inside of the unit.
Make sure that the leads to the fan are connected the right way round.
Otherwise the fan will not operate!
Two fans are mounted on the lower side of the converter, an internal
fan for cooling the control electronics and a unit fan for cooling the
power section.
Both fans are fed by the 24 V voltage supply; the unit fan is switched on
and off by electronic control according to the heat sink temperature.
The fans are designed for a service life of L
ambient temperature of T
time to ensure the availability of the unit.
Before removing the old fan and fitting a new one, make sure that the
inverter is disconnected from the power supply.
Operating Instructions
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≥ 35 000 hours at an
10
= 45 °C. They must be replaced in good
u
Industry Automation
Maintenance
10-3
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