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6 Appendix

When assembling soft starter components, each bolt should
be tightened using a calibrated torque driver set to the
appropriate assembly torque. The following tables indicate

the different types of bolts and bolt tightening torques for
each assembly.

6.1.1 Input/Output Busbars to SCRs

Model

Bolt size

Torque (Nm)

MCD5-0021B

M5x12

MCD5-0037B
MCD5-0043B
MCD5-0053B
MCD5-0068B
MCD5-0084B
MCD5-0089B
MCD5-0105B
MCD5-0131B

M6x16

MCD5-0141B

M8x20

MCD5-0195B
MCD5-0215B
MCD5-0245C
MCD5-0360C

M8x16

MCD5-0380C
MCD5-0428C
MCD5-0595C
MCD5-0619C
MCD5-0790C
MCD5-0927C
MCD5-1200C

M10x35

MCD5-1410C
MCD5-1600C

Appendix

MCD 500 Service Manual

MG.17.L4.02 - VLT

is a registered Danfoss trademark

Содержание vlt soft starter mcd 500

Страница 1: ...MAKING MODERN LIVING POSSIBLE S Service Manual VLTp Soft Starter MCD500 www danfoss com drives MG17L402 175R0550 MG17L402 Rev 2010 11 05...

Страница 2: ...0215B G2B 14 3 1 4 MCD5 0245C G3C 15 3 1 5 MCD5 0360C MCD5 0927C G4C 16 3 1 6 MCD5 1200C MCD5 1600C G5C 17 4 Spare Parts 18 4 1 1 Spare Parts 18 4 1 Main Control PCB 18 4 2 Model PCB 19 4 3 Backplane...

Страница 3: ...elays 33 5 2 1 Using the Soft Starter to Switch a Contactor 34 5 3 Control Input 34 6 Appendix 35 6 1 1 Input Output Busbars to SCRs 35 6 1 2 SCRs to Heatsink 36 6 1 3 Bypass Contactor Connections 36...

Страница 4: ...ready or tripped WARNING 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 provide proper gro...

Страница 5: ...rs are extremely reliable and it is extremely unlikely that they will fail due to faulty manufacture SCR damage is almost always caused by external influences Often these influences can be identified...

Страница 6: ...next applied 2 1 4 After Repair Tests NOTE The servicing technician is responsible for ensuring that all electrical safety tests have been completed in accordance with local regulations To test that...

Страница 7: ...tion Control Related Pars 1 1 1 6 1 4 1 9 7 9 7 1 7 6 7 4 16 7 FLC Too High The MCD 500 can support higher motor FLC values when connected to the motor using inside delta configuration rather than in...

Страница 8: ...hermal capacity Excessive starts per hour Excessive throughput Damage to the motor windings Resolve the cause of the overload and allow the motor to cool Related Pars 1 1 1 2 1 3 1 4 7 1 7 2 7 3 7 4 1...

Страница 9: ...t the input has fallen below 20 the cold resistance of most thermistors will be over this value or A short circuit has occurred Check and resolve this condition Check that a PT100 RTD is not connected...

Страница 10: ...oft starter will only permit a start when it calculates that the motor has sufficient thermal capacity to complete the start successfully Wait for the motor to cool before attempting another start The...

Страница 11: ...en Thermistor input 05 06 or when the motor thermistor connected between 05 06 is permanently removed The thermistor input is enabled once a link is fitted and short circuit protection has activated R...

Страница 12: ...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...

Страница 13: ...over 7 Current transformers 2 Cable guide 8 Mounting posts 3 Main plastic 9 Backplane PCB 4 Terminal blocks 10 SCRs 5 LCP and Main Control PCB 11 Side plastic 6 Model PCB Service Instructions MCD 500...

Страница 14: ...ting posts 2 Cable guide 9 Bypass contactors 3 Main plastic 10 Backplane PCB 4 Terminal blocks 11 SCRs 5 LCP and Main Control PCB 12 Side plastic 6 Model PCB 13 Fan 7 Current transformers Service Inst...

Страница 15: ...Main plastic 9 Current transformers 3 Cable guide 10 Bypass contactors 4 Terminal blocks 11 SCRs 5 LCP and Main Control PCB 12 Main body 6 Bypass Driver PCB 13 Fan and bracket 7 Support plastic Servi...

Страница 16: ...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 Service Instructions MCD 500 Service...

Страница 17: ...unt and spacer plastic 3 Cable guide 10 Fan assembly 4 Support plastic 11 Power assembly 5 Model PCB 12 Current transformer assembly 6 Module mount and spacer plastic 13 Main body 7 Magnetic bypass pl...

Страница 18: ...in plastic 9 Magnetic bypass plate 3 Cable guide 10 Power assembly 4 LCP and Main Control PCB 11 Fan assembly 5 Bypass driver PCB 12 Current transformer assembly 6 Support plastic 13 Main body 7 Model...

Страница 19: ...021B 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 MC...

Страница 20: ...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...

Страница 21: ...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...

Страница 22: ...5G56981 MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C Not required MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619C MCD5 0790C MCD5 0927C MCD5 1200C MCD5 1410C MCD5 1600C 177HA595 10 175G5633 175G...

Страница 23: ...5 MCD5 0195B 175G5126 MCD5 0215B MCD5 0245C 175G5127 175G5119 175G5122 175G5123 175G5124 175G5634 175G5635 175G5126 175G5127 NOTE Spare part kits may onclude either Semikron or Eupec SRCs These SCRs a...

Страница 24: ...els 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 MCD5 0619C 175G5640 MCD5...

Страница 25: ...bber assemblies MCD5 0360C 175G5699 MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619C MCD5 0790C MCD5 0927C MCD5 1200C 175G5700 MCD5 1410C MCD5 1600C 175G5699 175G5700 4 8 Fans Certain models include a fan...

Страница 26: ...0131B MCD5 0141B Not required MCD5 0195B 175G5646 1 MCD5 0215B MCD5 0245C 175G5137 3 MCD5 0360C MCD5 0380C MCD5 0428C MCD5 0595C MCD5 0619C 175G5138 2 MCD5 0790C MCD5 0927C MCD5 1200C 175G5138 3 MCD5...

Страница 27: ...MCD5 0131B 175G9048 MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C MCD5 0360C 175G5652 MCD5 0380C 175G5653 MCD5 0428C MCD5 0595C 175G5654 MCD5 0619C MCD5 0790C 175G5655 MCD5 0927C 175G5656 MCD5 1200C 17...

Страница 28: ...D5 0037B MCD5 0043B MCD5 0053B MCD5 0068B 175G5660 MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B 175G5661 175G56971 MCD5 0141B MCD5 0195B MCD5 0215B MCD5 0245C Not required MCD5 0360C MCD5 0380C MCD5 04...

Страница 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...

Страница 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...

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

Страница 32: ...175G5686 175G5687 175G5688 175G5690 175G5692 175G5694 175G5689 175G5691 175G5693 175G5695 Spare Parts MCD 500 Service Manual MG 17 L4 02 VLT is a registered Danfoss trademark 31 4 4...

Страница 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...

Страница 34: ...otecting SCRs Modern SCRs are generally rugged and reliable However the risk of SCR damage can be reduced by using semicon ductor fuses and or a main contactor 5 1 3 Semiconductor Fuses Semiconductor...

Страница 35: ...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...

Страница 36: ...embly 6 1 1 Input Output Busbars to SCRs Model Bolt size Torque Nm MCD5 0021B M5x12 4 MCD5 0037B MCD5 0043B MCD5 0053B MCD5 0068B MCD5 0084B MCD5 0089B MCD5 0105B MCD5 0131B M6x16 4 MCD5 0141B M8x20 8...

Страница 37: ...C MCD5 0927C MCD5 1200C MCD5 1410C MCD5 1600C 6 1 3 Bypass Contactor Connections Model Bolt size Torque Nm MCD5 0021B M5x12 4 MCD5 0037B MCD5 0043B MCD5 0053B MCD5 0068B M6x12 4 MCD5 0084B MCD5 0089B...

Страница 38: ...6 1 4 Current Transformer Busbar Assembly Model Bolt size Torque Nm MCD5 0245C M6x16 4 Appendix MCD 500 Service Manual MG 17 L4 02 VLT is a registered Danfoss trademark 37 6 6...

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