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G3G146-CC11-14
4.5 Checking the connections
; Make sure that the power is off (all phases).
; Secure it from being switched on again.
; Check the correct fit of the connection lines.
4.6 Switch on device
WARNING
Hot motor housing
Fire hazard
→ Ensure that no combustible or flammable materials are
located close to the blower.
; Inspect the device for visible external damage and the proper function
of the protective features before switching it on.
; Check the air flow paths of the fan for foreign objects and remove any
that are found.
; Apply the nominal voltage to the voltage supply.
; Start the device by changing the input signal.
4.7 Switching off the device
; Disconnect the device from the supply voltage at the main switch for
the supply line.
; When disconnecting, be sure to disconnect the earth wire connection
last.
Item no. 50245-5-9970 · Revision 75643 · Release 2011-11-24 · Page 8 / 10
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com
Operating instructions
5. INTEGRATED PROTECTIVE FUNCTIONS
The integrated protective functions cause the motor to switch off
automatically in case of faults described in the table.
Malfunctions
Rotor position detection error
Locked rotor
Motor overload
Description / Function of
safety feature
An automatic restart occurs.
; After the blockage is
removed, the motor restarts
automatically.
After cooling the device restarts
automatically.
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