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Operating instructions

W4D400-DP12-41

Translation of the original operating instructions

4.4 Connection diagram

Change of rotation direction by reversing two phases

Three-phase motor

Y

Star connection

1

Counterclockwise operation

L1

= V1 = blue

L2

= U1 = black

L3

= W1 = brown

2

Clockwise operation

L1

=U1=black

L2

=V1=blue

L3

=W1=brown

PE

green/yellow

Item no. 13681-5-9970 · ENU · Change 219792 · Approved 2021-01-26 · Page 8 / 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

Summary of Contents for W4D400-DP12-41

Page 1: ...d by suitably qualified trained and authorized technical staff Only authorized specialists are permitted to install the device to carry out a test run and to perform work on the electrical installatio...

Page 2: ...vice Risk of injury to body parts coming into contact with the rotor or the impeller Secure the device against accidental contact Before working on the system machine wait until all parts have come to...

Page 3: ...he following ways is prohibited and could be hazardous Operating the device in an unbalanced state e g due to dirt deposits or ice formation Resonant operation operation with severe vibration This als...

Page 4: ...ll dimensions in mm 1 Direction of air flow V 2 Cable PFA AWG18 1x crimped splice cable PFA AWG20 3x crimped splices Item no 13681 5 9970 ENU Change 219792 Approved 2021 01 26 Page 4 11 ebm papst Mulf...

Page 5: ...0335 1 motor does not have factory installed overheating protection Comment on CE Commissioning not permitted in the European Economic Area Approval CSA C22 2 No 100 UL 1004 1 With regard to cyclic sp...

Page 6: ...be switched off with an all pole disconnection switch When working on the fan secure the system machine in which the fan is installed so as to prevent it from being switched back on NOTE Water ingress...

Page 7: ...nsulation system and against harmful bearing currents Heating up of the motor when using a variable frequency drive must be checked by the customer following installation in the end device 4 3 Connect...

Page 8: ...se motor Y Star connection 1 Counterclockwise operation L1 V1 blue L2 U1 black L3 W1 brown 2 Clockwise operation L1 U1 black L2 V1 blue L3 W1 brown PE green yellow Item no 13681 5 9970 ENU Change 2197...

Page 9: ...ure to disconnect the ground connection last 5 MAINTENANCE MALFUNCTIONS POSSIBLE CAUSES AND REMEDIES Do not perform any repairs on your device Send the device to ebm papst for repair or replacement WA...

Page 10: ...ation of cables for damage Visual inspection At least every 6 months Replace cables Condensation drainage holes for clogging where necessary Visual inspection At least every 6 months Open holes Welds...

Page 11: ...The materials concerned are as follows Miscellaneous insulators used in the terminal box Power cables Cables for internal wiring Electrolytic capacitors Dispose of electronic components employing the...

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