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ebm-papst K3G250-RO44-20, Operating Instructions Manual, Page: 8 / 11

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ebm-papst K3G250-RO44-20 Operating Instructions Manual Download Page 8

Operating instructions

K3G250-RO44-20

Translation of the original operating instructions

4.5 Connection diagram

Drawing preliminary!

No.

Conn.

Designation

Function/assignment

KL1

1

L

Power supply, phase, 50/60 Hz

KL1

2

N

Power supply, neutral conductor, 50/60 Hz

KL1

3

PE

Protective earth

KL2/KL3 1

RSA

RS-485 interface for MODBUS, RSA

KL2/KL3 2

RSB

RS-485 interface for MODBUS, RSB

KL2/KL3 3

RSA

RS-485 interface for MODBUS, RSA

KL2/KL3 4

-

Bridge KL2-KL3

KL2/KL3 5

-

Bridge KL2-KL3

KL2/KL3 6

RSB

RS-485 interface for MODBUS, RSB

KL2/KL3 7

GND

Reference ground

KL2/KL3 8

DCI

Daisy chain signal

KL2/KL3 9

Schirm

Shield for RJ45 CAT5 wire (not used)

Item no. 58126-5-9970 · ENU · Change 224212 · Approved 2021-02-11 · 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 K3G250-RO44-20

Page 1: ...authorized specialists 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 The safety hazard...

Page 2: ...y that the entire setup is EMC compliant 1 7 Mechanical movement DANGER Rotating device Risk of injury to body parts coming into contact with the rotor or the impeller Secure the device against accide...

Page 3: ...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 also includes vibration...

Page 4: ...9058 1 2 1 L 2 2 PE 2 3 N 3 8 pole connector housing TE 100616 2 4 8 pole connector housing TE 100616 2 5 Switch ARCOLECTRIC SWITCHES P L C no H8550VBACF As delivered condition end customer switch se...

Page 5: ...t optimum efficiency level The ErP data is determined using a motor impeller combination in a standardized measurement setup 3 4 Technical description Size 250 mm Motor size 84 Rotor surface Painted b...

Page 6: ...resistant safety gloves NOTE Damage to the device from vibration Bearing damage shorter service life The fan must not be subjected to force or excessive vibration from sections of the installation If...

Page 7: ...on The values are typically in the range 250 mA At the same time the effective power in this operating state operational readiness is typically 4 W 4 2 3 Residual current circuit breaker RCCB If the...

Page 8: ...US RSA KL2 KL3 2 RSB RS 485 interface for MODBUS RSB KL2 KL3 3 RSA RS 485 interface for MODBUS RSA KL2 KL3 4 Bridge KL2 KL3 KL2 KL3 5 Bridge KL2 KL3 KL2 KL3 6 RSB RS 485 interface for MODBUS RSB KL2 K...

Page 9: ...ons cause the motor to switch off automatically in the event of the faults described in the table Fault Safety feature description function Rotor position detection error An automatic restart follows...

Page 10: ...will shorten the service life of the fan Severe vibration can destroy the fan In such cases switch off the fan immediately and clean it The preferred method of cleaning is dry cleaning e g using comp...

Page 11: ...lified personnel with the appropriate technical knowledge The product is to be disassembled into suitable components for disposal employing standard procedures for motors WARNING Heavy parts of the pr...

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