Danfoss MCD 500 Service Manual Download Page 31

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4.11 Bus Bars

Each soft starter requires a total of six bus bars (three input and three output). Each kit contains three bus bars (unless otherwise stated) and fixing
accessories if applicable.

Input

Output

MCD5-0021B

175G5677

175G5678

MCD5-0037B
MCD5-0043B
MCD5-0053B
MCD5-0068B

175G5679

175G5680

MCD5-0084B

175G5681

174G5682

MCD5-0089B
MCD5-0105B
MCD5-0131B

175G5696

175G5683

MCD5-0141B

175G5684

175G5685

MCD5-0195B
MCD5-0215B
MCD5-0245C

175G5686 (set of 6)

175G5687

MCD5-0360C

175G5688

175G5689

MCD5-0380C
MCD5-0428C
MCD5-0595C
MCD5-0619C

175G5690

175G5691

MCD5-0790C
MCD5-0927C
MCD5-1200C

175G5692

175G5693

MCD5-1410C

175G5694

175G5695

MCD5-1600C

175G5677

175G5679, 175G5681

175G5678, 175G5680, 175G5682

175G5696, 175G5684

175G5683, 175G5685

MCD 500 Service Manual

4 Spare Parts

MG.17.L1.02 - VLT

is a registered Danfoss trademark

Summary of Contents for MCD 500

Page 1: ...MCD5 0927C G4C 18 MCD5 1200C MCD5 1600C G5C 19 4 Spare Parts 21 Spare Parts 21 Main Control PCB 21 Model PCB 22 Backplane PCB 23 Bypass Driver PCB 24 SCRs and Power Assemblies 25 Fans 26 Current Trans...

Page 2: ...Using the Soft Starter to Switch a Contactor 36 Control Input 36 Contents MCD 500 Service Manual 2 MG 17 L1 02 VLT is a registered Danfoss trademark...

Page 3: ...nual and local electrical safety codes Disconnect the soft starter from mains voltage before carrying out repair work It is the responsibility of the user or person installing the soft starter to prov...

Page 4: ...2 Troubleshooting MCD 500 Service Manual 4 MG 17 L1 02 VLT is a registered Danfoss trademark 2...

Page 5: ...ect operation If the resistance is above 500 k for any measurement the Main Control PCB or Interface PCB may be faulty or there may be a faulty connection between these two PCBs To isolate the fault p...

Page 6: ...contactor Main Control PCB Model PCB or Bypass Driver PCB models MCD5 0131B MCD5 0215B only may be faulty or there may be a faulty connection between these components 1 When the soft starter is runnin...

Page 7: ...using inside delta con figuration rather than in line connection If the soft starter is connected in line but the selected motor FLC is above the in line maximum the soft starter will trip at start R...

Page 8: ...3 1 4 16 1 Motor Connection The motor is not connected correctly to the soft starter for inline or inside delta use Check individual motor connections to the soft starter for power circuit continuity...

Page 9: ...ntact your local distributor Related Pars 16 10 Thermistor Cct The thermistor input has been enabled and The resistance at the input has fallen below 20 the cold resistance of most thermistors will be...

Page 10: ...to complete the start successfully Wait for the motor to cool before attempting another start The emergency stop function may be active If Par 3 3 is set to Emergency Stop and there is an open circuit...

Page 11: ...thermistor input is enabled once a link is fitted and short circuit protection has activated Remove the link then load the default parameter set This will disable the thermistor input and clear the tr...

Page 12: ...3 Service Instructions MCD 500 Service Manual 12 MG 17 L1 02 VLT is a registered Danfoss trademark 3...

Page 13: ...ows Class MCD 500 Models G1B MCD5 0021B MCD5 0037B MCD5 0043B MCD5 0053B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B G2B MCD5 0131B MCD5 0141B MCD5 0195B MCD5 0215B G3C MCD5 0245C G4C MCD5 0360C MCD5...

Page 14: ...2 8 1 Cover 6 Model PCB 2 Cable guide 7 Current transformers 3 Main plastic 8 Mounting posts 4 Terminal blocks 9 SCRs 5 LCP and Main Control PCB 10 Side plastic 3 Service Instructions MCD 500 Service...

Page 15: ...0 1 Cover 7 Current transformers 2 Cable guide 8 Mounting posts 3 Main plastic 9 SCRs 4 Terminal blocks 10 Side plastic 5 LCP and Main Control PCB 11 Fan 6 Model PCB MCD 500 Service Manual 3 Service I...

Page 16: ...pport plastic 2 Main plastic 8 Model PCB 3 Cable guide 9 Current transformers 4 Terminal blocks 10 SCRs 5 LCP and Main Control PCB 11 Main body 6 Bypass Driver PCB 12 Fan and bracket 3 Service Instruc...

Page 17: ...7 Support plastic 2 Cable guide 8 Model PCB 3 Main plastic 9 Current transformers 4 Terminal blocks 10 SCRs 5 LCP and Main Control PCB 11 Main body 6 Fan assembly MCD 500 Service Manual 3 Service Ins...

Page 18: ...n plastic 8 Magnetic bypass plate models 0595 C 0927C 3 Cable guide 9 Fan assembly 4 Support plastic 10 Power assembly 5 Model PCB 11 Current transformer assembly 6 Module mount and spacer plastic 12...

Page 19: ...etic bypass plate 2 Main plastic 8 Fan assembly 3 Cable guide 9 Power assembly 4 LCP and Main Control PCB 10 Current transformer assembly 5 Support plastic 11 Main body 6 Model PCB MCD 500 Service Man...

Page 20: ...4 Spare Parts MCD 500 Service Manual 20 MG 17 L1 02 VLT is a registered Danfoss trademark 4...

Page 21: ...21B 175G5603 175G5604 175G5601 175G5602 MCD5 0037B MCD5 0043B MCD5 0053B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B 175G5607 175G5608 175G5605 175G5606 MCD5 0141B MCD5 0195B MCD5 0215B MCD...

Page 22: ...5613 MCD5 0595C 175G5625 MCD5 0084B 175G5614 MCD5 0619C 175G5626 MCD5 0089B 175G5615 MCD5 0790C 175G5627 MCD5 0105B 175G5616 MCD5 0927C 175G5628 MCD5 0131B 175G5617 MCD5 1200C 175G5629 MCD5 0141B 175G...

Page 23: ...B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B Not required MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619C MCD5 0790C MCD5 0927C MCD5 1200...

Page 24: ...3B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B 175G5633 MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C Not required MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619C MCD5 0790C MCD5 0927C...

Page 25: ...MCD5 0245C 175G5127 Models MCD5 0360C MCD5 1600C use power assemblies Each soft starter requires two power assemblies MCD5 0360C 175G5636 MCD5 0380C 175G5637 MCD5 0428C 175G5638 MCD5 0595C 175G5639 M...

Page 26: ...MCD5 0068B 175G5646 1 MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B MCD5 0141B Not required MCD5 0195B 175G5646 1 MCD5 0215B MCD5 0245C 175G564647 3 MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619...

Page 27: ...5 0131B 175G5650 MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C 175G5650 MCD5 0360C 175G5652 MCD5 0380C 175G5653 MCD5 0428C MCD5 0595C 175G5654 MCD5 0619C MCD5 0790C 175G5655 MCD5 0927C 175G5656 MCD5 120...

Page 28: ...ter requires three bypass contactors MCD5 0021B Not required MCD5 0037B MCD5 0043B MCD5 0053B MCD5 0068B 175G5660 MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B 175G5661 MCD5 0141B MCD5 0195B MCD5 0215B...

Page 29: ...0053B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B 175G5668 175G5672 Not required MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C Not required MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0...

Page 30: ...72 175G5669 support plastic Complete plastics MCD5 0021B 175G5673 MCD5 0037B MCD5 0043B MCD5 0053B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B 175G5674 MCD5 0141B MCD5 0195B MCD5 0215B MCD5...

Page 31: ...174G5682 MCD5 0089B MCD5 0105B MCD5 0131B 175G5696 175G5683 MCD5 0141B 175G5684 175G5685 MCD5 0195B MCD5 0215B MCD5 0245C 175G5686 set of 6 175G5687 MCD5 0360C 175G5688 175G5689 MCD5 0380C MCD5 0428C...

Page 32: ...175G5686 175G5687 175G5688 175G5690 175G5692 175G5694 175G5689 175G5691 175G5693 175G5695 4 Spare Parts MCD 500 Service Manual 32 MG 17 L1 02 VLT is a registered Danfoss trademark 4...

Page 33: ...MCD5 0043B MCD5 0053B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B Not required MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619C MCD5 0790C...

Page 34: ...5 Avoiding Damage MCD 500 Service Manual 34 MG 17 L1 02 VLT is a registered Danfoss trademark 5...

Page 35: ...Protecting SCRs Modern SCRs are generally rugged and reliable However the risk of SCR damage can be reduced by using semiconductor fuses and or a main contactor 5 1 3 Semiconductor Fuses Semiconductor...

Page 36: ...ay 2 Slave relay coil 3 Contactor coil A2 A10 A1 A11 177HA338 11 1 2 1 Soft starter output relay 2 Contactor coil 5 3 Control Input MCD 500 soft starters can be operated by external two wire or three...

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