Operating instructions
S3G350-AN01-52
Translation of the original operating instructions
4.5 Open additional screwed cable glands
You have the ability to break a second cable gland opening through on
the terminal box.
WARNING
In event of a fault, the screwed cable gland is under
electrical voltage
Electric shock
→ Do not use metal cable glands for plastic terminal
boxes.
;
Screw the cable gland into the pre-cut thread using a screwdriver.
When doing so, note the tightening torques, see chapter 3.1 Product
drawing.
;
Remove the plastic tab that falls off when the wire is pressed through
into the terminal box.
Fig. 4: Screwed cable gland opening
NOTE
Tightness and strain relief depend on the cable used.
→ The user must check this.
4.6 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.
;
Screw the terminal box cover closed again. Terminal box tightening
torque, see chapter 3.1 Product drawing.
;
Make sure that the terminal box is correctly closed and sealed and
that all screws and screwed cable glands are properly tightened.
4.7 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.
4.8 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. 51542-5-9970 · ENG · Revision 85000 · Release 2015-04-29 · Page 9 / 11
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