Bitzer 2DES-3.F1Y User Manual

KW-210-2
Austausch eines .F1-Frequenzumrichters der ersten Generation durch einen .F1-Frequenzum-
richter der zweiten Generation
Deutsch .................................................................................................................................................... 2
Replacement of a .F1 frequency inverter of the first generation with a .F1 frequency inverter of
the second generation
English...................................................................................................................................................... 18
Remplacement d’un convertisseur de fréquences .F1 de la première génération par un conver-
tisseur de fréquences .F1 de la deuxième génération
Français.................................................................................................................................................... 34
2DES-3.F1Y
4FE(S)-5.F1Y
4EE(S)-6.F1Y
4DE(S)-5.F1Y
4CE(S)-6.F1Y

Bitzer 2DES-3.F1Y Specifications

General

Brand	Bitzer
Model	2DES-3.F1Y
Category	Air Compressor
Language	English

Summary

MAINTENANCE INSTRUCTIONS

2 Safety

4 Dismounting the Old Frequency Inverter (FI)

1. Unscrewing the Cover

Instruction to loosen and remove the frequency inverter cover.

Dismounting Safety Warnings

Safety precautions for working on the refrigeration system and FI housing.

2. Checking Device De-energization

Procedure to verify the device is de-energized using a voltage detector.

3. Disconnecting Power and Control Connections

Steps to disconnect power and control cables from terminal strips.

4. Removing Cable Glands

Instructions for removing the screwed cable glands from the FI.

5. Unscrewing the Frequency Inverter

Steps for unscrewing the frequency inverter from the compressor.

6. Removing Motor Cable Connector

Procedure to remove the motor cable connector from the FI.

7. Removing Fixing Bolts

8. Opening Terminal Box

9. Loosening Terminal Box Cable Gland

10. Unscrewing Motor Cables and Earth Conductor

5 Mounting the New Frequency Inverter (FI)

12. Opening the New Frequency Inverter

13. Unscrewing Earth Conductor from Cover

14. Mounting Cable Bushings

15. Applying Heat Transfer Paste

16. Screwing Inverter to Compressor

Steps for screwing the new frequency inverter onto the compressor.

17. Removing Sealing Plug from Cable Bushing

18. Preparing Motor Cable Routing

19. Routing Motor Cables through Protective Hose

20. Screwing Protective Metal Hose

21. Mounting Motor Cables and Earth Conductor

22. Closing Terminal Box

23. Connecting Power and Earth Conductor

Procedure for connecting power connections and earth conductor to the FI.

24. Connecting Control Lines (No Control Board)

25. Connecting Control Lines (With Control Board)

26. Mounting Earth Conductor and Closing Cover

6 Schematic Wiring Diagram

Fig. 1: VARISPEED F1 Schematic