ebm-papst A4D450-AU01-02 Operating Instructions Manual Download Page 9

Operating instructions

A4D450-AU01-02

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

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.

4.8 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. 11391-5-9970 · ENG · Revision 83823 · Release 2015-02-24 · Page 9 / 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

Summary of Contents for A4D450-AU01-02

Page 1: ...ecialists are permitted to install the device to carry out a test run and to perform work on the electrical installation 1 3 Basic safety rules 1 1 3 Basic safety rules Any safety hazards stemming fro...

Page 2: ...t come into contact with the rotor and impeller can be injured Secure the device against accidental contact Before working on the system machine wait until all parts have come to a standstill WARNING...

Page 3: ...res in place Minding the operating instructions Improper use Using the device in the following ways is particularly prohibited and may cause hazards Operating the device with an imbalance e g caused b...

Page 4: ...Direction of air flow A 2 Depth of screw max 10 mm 3 Tightening torque 0 8 0 15 Nm 4 Cable diameter min 6 mm max 12 mm tightening torque 2 0 15 Nm Item no 11391 5 9970 ENG Revision 83823 Release 2015...

Page 5: ...al box ABS plastic Material of blades Press fitted sheet steel blank sprayed with PP plastic Number of blades 5 Direction of air flow A Direction of rotation Clockwise seen on rotor Type of protection...

Page 6: ...the data on the type plate agree with the connection data Before connecting the device ensure that the supply voltage matches the operating voltage of the device Only use cables designed for current a...

Page 7: ...nsure that the screwed cable glands are arranged at the bottom The cables must always be routed downwards Fig 3 Cable routing for fans installed upright 4 3 4 Motor protection CAUTION Voltage The devi...

Page 8: ...ion Y Star connection L1 U1 black L2 V1 blue L3 W1 brown W2 yellow U2 green V2 white TOP 2 x grey PE green yellow Item no 11391 5 9970 ENG Revision 83823 Release 2015 02 24 Page 8 10 ebm papst Mulfing...

Page 9: ...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 includ...

Page 10: ...e energise correct connection see connection diagram Thermal overload protector responded Allow motor to cool off locate and rectify cause of error if necessary cancel restart lock out Unacceptable op...

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