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Operating instructions

K3G250-RO40-A2

Translation of the original operating instructions

Connect the device only to circuits that can be switched off
using an all-pole disconnecting switch.

4.2.1 Prerequisites

;

Check whether 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 according to the type plate.
For determining the cross-section, follow the basic principles in
accordance with EN 61800-5-1. The protective earth must have a
cross-section equal to or greater than the outer conductor cross-
section.
We recommend the use of 105°C cables. Ensure that the minimum
cable cross-section is at least
AWG26/0.13 mm².

Earth wire contact resistance to EN 61800-5-1

Compliance with the impedance specifications to EN 61800-5-1 for the
protective earth circuit must be verified in the end application.
Depending on the installation situation, it may be necessary to install an
additional protective earthing conductor via the additional protective earth
connection point available on the device.
The protective earth connection point is located on the housing and has
a protective earth symbol and a bore hole.

4.2.2 Idle current

Because of the EMC filter integrated for compliance with EMC
limits (interference emission and interference immunity), idle
currents in the mains cable can be measured even when the
motor is at a standstill and the mains voltage is switched on.

The values lie in a range of typical < 250 mA.

The effective power in this operating state (readiness for operation) is
simultaneously at typical < 4 W.

4.2.3 Residual current operated device

Only universal (type B or B+) RCD protective devices are
permitted. Like frequency inverters, RCD protective devices
cannot provide personal safety while operating the device.
When switching on the power supply of the device, pulsed
charge currents from the capacitors in the integrated EMC filter
can lead to the RCD protective devices triggering without
delay. We recommend residual current devices with a trigger
threshold of 300 mA and delayed triggering (super-resistant,
characteristic K).

4.2.4 Locked-rotor protection

Due to the locked-rotor protection, the start-up current (LRA) is
equal to or less than the nominal current (FLA).

4.3 Connection of the cables

External leads are brought out of device.

;

First connect the "PE" (protective earth) connection.

Connect the lines according to your application. When doing so,
observe chapter 4.5 Connection screen.

4.4 Factory settings

Factory settings with which the device is pre-set by ebm-papst.

Operation mode

PWM controlling

Group adress

01

Fan / device adress

01

Max. PWM / %

90

Min. PWM / %

0

Save set value to
EEPROM

No

Set value control

Analog

Control function

Positive (heating)

Item no. 51752-5-9970 · Revision 82624 · Release 2014-05-08 · Page 7 / 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

Содержание K3G250-RO40-A2

Страница 1: ...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 from the device m...

Страница 2: ...t the entire setup is EMC compliant 1 7 Mechanical movement DANGER Rotating device Body parts that come into contact with the rotor and impeller can be injured Secure the device against accidental con...

Страница 3: ...the following ways is particularly prohibited and may cause hazards Operating the device with an imbalance e g caused by dirt deposits or icing Moving air that contains abrasive particles Moving highl...

Страница 4: ...s have the unit mm 1 Connection line PVC AWG18 5x crimped core end sleeves 2 Connection line PVC AWG22 3x crimped core end sleeves Item no 51752 5 9970 Revision 82624 Release 2014 05 08 Page 4 11 ebm...

Страница 5: ...nting position Shaft horizontal or rotor on top rotor on bottom on request Condensate discharge holes None Operation mode S1 Motor bearing Ball bearing Technical features Output 10 VDC max 10 mA Alarm...

Страница 6: ...ge current insulation material load etc Route cables such that they cannot be touched by any rotating parts DANGER Electrical load 50 C between mains wire and protective earth connection after switchi...

Страница 7: ...mains cable can be measured even when the motor is at a standstill and the mains voltage is switched on The values lie in a range of typical 250 mA The effective power in this operating state readine...

Страница 8: ...ct normally closed connection 2 A max 250 VAC min 10 mA 1 6 NC white 2 Floating status message contact normally closed connection 2 8 0 10 V yellow Control input set value 0 10 VDC impedance 100 kOhm...

Страница 9: ...ignal 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 Swi...

Страница 10: ...ector responded Allow motor to cool off locate and rectify cause of error if necessary cancel restart lock out Overtemperature of electronics motor Insufficient cooling Improve cooling Let the device...

Страница 11: ...the wires for damage Visual inspection At least every 6 months Replace wires Impeller for wear deposits corrosion and damage Visual inspection At least every 6 months Clean or replace impeller Item n...

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