Danfoss MCD3000 Series User Manual (English)

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MCD3000 Series

MG.15.B2.02 – VLT is a registered Danfoss trademark 1

Contents

■

Warnings ...................................................................... 3

Section 1.0

■

Spare Parts

1.1 Main Control Module .............................................. 4

1.2 Identity Module (Line Connection) ....................... 5

1.3 Identity Module (Inside Delta Connection) .......... 6

1.4 Snubber/Overvoltage Protection Module ........... 7

1.5 SCRs / Power Assemblies .................................... 9

1.6 Cooling Fans .......................................................... 12

1.7 Power Transformers ............................................. 13

Section 2.0 ■ Tests

2.1 Start Performance Test ........................................ 15

2.2 Run Performance Test ......................................... 15

2.3 Power Circuit Test ................................................ 15

2.4 Control Input Test ................................................. 16

2.5 Power Transformer Test ...................................... 16

Section 3.0 ■ Component Replacement Procedures

3.1 Main Control Module

3007~3132 .............................................................. 17

3185~3800 .............................................................. 17

3.2 Identity Module

3007~3132 .............................................................. 18

3185~3800 .............................................................. 18

3.3 Snubber/Overvoltage Protection Module

3007~3055 .............................................................. 19

3075~3132 .............................................................. 19

3185~3500 .............................................................. 20

3600~3800 .............................................................. 22

3.4 SCR / Power Assemblies

3007~3132 .............................................................. 23

3185~3800 .............................................................. 25

3.5 Cooling Fans

3030~3055 .............................................................. 27

3075~3110 .............................................................. 29

3132 .......................................................................... 31

3185~3800 .............................................................. 33

3.6 Power Transformers

3007~3055 .............................................................. 34

3075~3110 .............................................................. 35

3132~ ....................................................................... 36

3185~3800 .............................................................. 37

Section 4.0 ■ Schematics

4.1 3007~3022 T5 ....................................................... 39

4.2 3030~3055 T5 .........................................................40

4.3 3075~3110 T5 .........................................................41

4.4 3132 T5 ....................................................................42

4.5 3185~3500 T5 .........................................................43

4.6 3600~3800 T5 .........................................................44

4.7 3007~3022 T7 ........................................................ 45

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Danfoss MCD3000 Series Specifications

General

Protection Class	IP20
Frequency	50/60 Hz
Rated Control Supply Voltage	24 V DC
Communication Protocols	Modbus RTU
Operating Temperature	-10°C to +50°C
Ambient Temperature	Up to 50 °C (without derating)
Relative Humidity	5% to 95% (non-condensing)
Altitude	Up to 1000 m above sea level
Cooling Method	Natural convection