Ecolab MU421-P User Manual

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6.3 Upgrade Inverter
1. Powero󰀨unitusingserviceswitch(waitforunittodischargeapproximately5min.)
2. Open Inverter box
3. Disconnect the Display cable connected to either of the two modbus terminals
4. Connect the usb cable (110007946) to either one of the modbus connectors
5. Connect usb cable to PC
6. Power on inverter by using service switch (AWARE OF HIGH VOLTAGE IN INVERTER!)
7. StartupFirmwareupgradeprogram(CanbedownloadedfromNilskFOODweb)
8. Clickbrowsetoselectupgradele*.hex(CanbedownloadedfromNilskFOODweb)
9. ClickinSerialportup/downtoselectthecomportforUSBcable,ifcomportisnotshowing
press“refresh”button
10. IfnecessarychangeinverterIDtomatchInverterID,Defaultis1
11. PressUploadFirmware,andwaitforprogressbartoreachtheendandturngreen
12. The progress bar will start moving
110007941
Software Manual

Ecolab MU421-P Specifications

General

Brand	Ecolab
Model	MU421-P
Category	Control Panel
Language	English