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Operating instructions – ebm-papst R3G225-RD05-03 User Manual

Page 8

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Operating instructions

R3G225-RD05-03

Translation of the original operating instructions

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

The device is not to be switched on until it has been installed properly
and in accordance with its intended use, including the required protective
devices and professional electrical connection. This also applies to
devices which have already been equipped with plugs and terminals or
similar connectors by the customer.

WARNING
Hot motor housing
Fire hazard
→ Ensure that no combustible or flammable materials are

located close to the fan.

; 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

Switching off the device during operation:
; Switch off the device via the control input.
; Do not switch the motor (e.g. in cyclic operation) on and off via power

supply.

Switching off the device for maintenance work:
; Switch off the device via the control input.
; Do not switch the motor (e.g. in cyclic operation) on and off via power

supply.

; Disconnect the device from the supply voltage.
; When disconnecting, be sure to disconnect the earth wire connection

last.

5. INTEGRATED PROTECTIVE FUNCTIONS

The integrated protective functions cause the motor to switch off
automatically in case of faults described in the table.

Malfunctions

Description / Function of
safety feature

Rotor position detection error

An automatic restart occurs.

Locked rotor

; After the blockage is
removed, the motor restarts
automatically.

Item no. 51018-5-9970 · ENG · Revision 82086 · Release 2015-01-29 · 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 · [email protected] · www.ebmpapst.com