WEG Frequency Inverter CFW110477T4

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Manual for WEG Frequency Inverter CFW110477T4

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WEG Frequency Inverter CFW110477T4

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Maintenance Plans for WEG Frequency Inverter Model CFW110477T4

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10 Yearly Keypad Battery Replacement

Warning: Only trained personnel should perform this procedure.

Note: The battery is required only to maintain the internal clock operation when the inverter is without power.

If the battery is completely discharged or not installed in the keypad, the displayed clock time will be invalid.

In this case, an alarm condition “A181 – Invalid clock time” will be indicated every time the inverter is powered up.

Locate the battery access cover

Press the cover and rotate it counterclockwise

Remove the cover

Remove the battery with the help of a screwdriver positioned at the right side

HMI without the battery

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10 Yearly Electrolytic Capacitors Replacement

- If the inverter is stocked (not being used) make electrolytic capacitors “Reforming”

Every year from the manufacturing date printed on the inverter identification label (refer to section 2.4).

Apply power to the inverter (voltage between 220 and 230 Vac, single-phase or three-phase, 50 or 60 Hz) for at least one hour.

Then disconnect the power supply and wait at least 24 hours before using the inverter again (reapply power).

- If inverter in operation replace electrolytic capacitors every 10 years.

Contact WEG technical support to obtain the replacement procedures.;

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Inverter Cleaning

When it is necessary to clean the inverter, follow the instructions below.

Ventilation system:

Disconnect the inverter power supply and wait at least 10 minutes.

Remove the dust from the cooling air inlet using a soft brush or a flannel.

Remove the dust from the heatsink fins and from the fan blades using compressed air.

Electronic boards:

Disconnect the inverter power supply and wait at least 10 minutes.

Remove the dust from the electronic board using an anti-static brush or an ion air gun (Charges Burtes Ion Gun – reference A6030-6 DESCO).

If necessary, remove the boards from the inverter.

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1 Yearly Inverter Inspection

Warning: This inspection requires trained personnel with PPE!

Date of manufacturing on the inverter identification label

Is the inverter stocked (not being used)?

If the inverter is stocked, proceed with the following steps

Voltage applied to the inverter (should be between 220 and 230 Vac)

Type of power supply used

Frequency of power supply (50 or 60 Hz)

Power should be applied for at least one hour

Date and time when power was disconnected

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Parts for WEG Frequency Inverter CFW110477T4

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Part Name

Part Number

IOA Module: 1 Voltage/Current Analog Input (14 Bits); 2 Digital Inputs; 2 Voltage/Current Analog Outputs (14 Bits); 2 Open-Collector Digital Outputs

11008162

IOB Module: 2 Isolated Analog Inputs (Voltage/Current); 2 Digital Inputs; 2 Isolated Analog Outputs (Voltage/Current); 2 Open-Collector Digital Outputs

11008099

Encoder Module: 5 To 12 Vdc Incremental Encoder Module, 100 KHz, With An Encoder Signal Repeater

11008100

Encoder Module: 5 To 12 Vdc Incremental Encoder Module, 100 KHz

11008101

RS-485 Serial Communication Module (Modbus)

11008102

IOA Module: 1 Voltage/Current Analog Input (14 Bits); 2 Digital Inputs; 2 Voltage/Current Analog Outputs (14 Bits); 2 Open-Collector Digital Outputs

11008162

IOB Module: 2 Isolated Analog Inputs (Voltage/Current); 2 Digital Inputs; 2 Isolated Analog Outputs (Voltage/Current); 2 Open-Collector Digital Outputs

11008099

Encoder Module: 5 To 12 Vdc Incremental Encoder Module, 100 KHz, With An Encoder Signal Repeater

11008100

Encoder Module: 5 To 12 Vdc Incremental Encoder Module, 100 KHz

11008101

RS-485 Serial Communication Module (Modbus)

11008102

IOA Module: 1 Voltage/Current Analog Input (14 Bits); 2 Digital Inputs; 2 Voltage/Current Analog Outputs (14 Bits); 2 Open-Collector Digital Outputs

11008162

IOB Module: 2 Isolated Analog Inputs (Voltage/Current); 2 Digital Inputs; 2 Isolated Analog Outputs (Voltage/Current); 2 Open-Collector Digital Outputs

11008099

Encoder Module: 5 To 12 Vdc Incremental Encoder Module, 100 KHz, With An Encoder Signal Repeater

11008100

Encoder Module: 5 To 12 Vdc Incremental Encoder Module, 100 KHz

11008101

RS-485 Serial Communication Module (Modbus)

11008102