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Danfoss MCD3000 Series Manual Download Page 31

 

 

MCD3000 Series 

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

31 

Component Replacement Procedures

 

Cooling Fans: MCD3132

 

 

Step 1. 

Disassemble the MCD3000 as described for 

Identity Module replacement, Steps 1 to 3 (Page 18). 
 

Step 2. 

Remove all remaining end caps & fan grills 

from the left side of the MCD3000. 
 

Step 3. 

Undo the screws (2) securing the bus bar 

support bracket. 

 

 

Step 4. 

Undo the scr ews securing the vertical support 

rail and slide the rail out of the way. 

 

 

Step 5. 

Unclip the CTs and slide off the bus bar 

support bracket.  

 

 

Step 6. 

Remove the insulation barrier located under 

the bus bar support bracket. 

 

 

Step 7. 

Undo the screws (2) securing the left side 

panel to the top and bottom cross supports. 

 

 

Summary of Contents for MCD3000 Series

Page 1: ...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...

Page 2: ...anfoss trademark Contents 4 8 3030 3055 T7 46 4 9 3075 3110 T7 47 4 10 3132 T7 48 4 11 3185 3500 T7 49 4 12 3600 3800 T7 50 Section 5 0 Appendix 5 1 Typical Causes of SCR Damage 51 5 2 Output Relay Co...

Page 3: ...nection ceases Symbols used in this manual When reading this manualyou will come across different symbols that require special attention The symbols used are the following Indicates something to be no...

Page 4: ...448 00 1 1 1 1 1 1 1 1 175G5089 0DCC2 991 00453 00 1 1 1 1 1 1 1 1 1 1 1 1 1 175G5088 0DCC1 991 00448 00 175G5089 0DCC2 991 00453 00 Identifying Main Control Modules Thetwo Main Control Module types c...

Page 5: ...447 00 1 175G5093 0DCT022 990 00677 00 1 175G5094 0DCT030 990 00449 00 1 175G5095 0DCT037 990 00682 00 1 175G5096 0DCT045 990 00455 00 1 175G5097 0DCT055 990 00456 00 1 175G5098 0DCT075 990 00697 00 1...

Page 6: ...MCD3037 MCD3045 MCD3055 MCD3075 MCD3090 MCD3110 MCD3132 MCD3185 MCD3220 MCD3300 MCD3315 MCD3400 MCD3500 MCD3600 MCD3700 MCD3800 number per unit 175G3052 990 02002 00 1 175G3053 990 02003 00 1 175G305...

Page 7: ...0 MCD3300 MCD3315 MCD3400 MCD3500 MCD3600 MCD3700 MCD3800 T5 200 525V T7 200 690V number per unit Not required 175G5115 0DSB1H 990 00451 00 1 1 1 1 1 1 1 1 175G5112 0DSB2 990 00695 00 175G5116 0DSB2H...

Page 8: ...MCD3000 Series 8 MG 15 B2 02 VLT is a registered Danfoss trademark Spare Parts 175G5113 0DSB4 990 00739 00 175G5117 0DSB4H 990 00740 00 175G5114 0DSB5 990 00895 00 175G5118 0DSB5H 990 00896 00...

Page 9: ...5G5121 SKKT72 16 3 175G5122 SKKT92 16 3 3 175G5123 SKKT122 16 3 175G5124 SKKT132 16 3 175G5125 TT162N16 3 3 175G5126 TT250N16 3 175G5127 TT330N16 3 3 Power Assemblies number per unit 175G5128 8DAT185...

Page 10: ...MCD3000 Series 10 MG 15 B2 02 VLT is a registered Danfoss trademark Spare Parts 175G5123 SKKT122 16 175G5124 SKKT132 16 175G5125 TT162N16 175G5126 TT250N16 175G5127 TT330N16...

Page 11: ...arts 175G5128 8DAT185 994 00715 00 175G5129 8DAT220 994 00717 00 175G5130 8DAT300 994 00719 00 175G5131 8DAT315 994 00721 00 175G5132 8DAT400 994 00723 00 175G5133 8DAT500 994 00725 00 175G5134 8DAT60...

Page 12: ...Part Number MCD3007 MCD3015 MCD3018 MCD3022 MCD3030 MCD3037 MCD3045 MCD3055 MCD3075 MCD3090 MCD3110 MCD3132 MCD3185 MCD3220 MCD3300 MCD3315 MCD3400 MCD3500 MCD3600 MCD3700 MCD3800 number per unit 175G...

Page 13: ...D3132 MCD3185 MCD3220 MCD3300 MCD3315 MCD3400 MCD3500 MCD3600 MCD3700 MCD3800 CV4 230V 400V CV2 110V 230V number per unit 175G5139 1PT10AV 175G5150 1PT10DV 1 1 1 1 175G5140 1PT17AT 175G5151 1PT17DT 1...

Page 14: ...MCD3000 Series 14 MG 15 B2 02 VLT is a registered Danfoss trademark Spare Parts 175G5141 1PT23AT 175G5152 1PT23DT 175G5142 1PT40AT 175G5153 1PT40DT 175G5143 1PT55AT 175G5154 1PT55DT...

Page 15: ...perating correctly If the voltage is significantly greater than 2VAC this could indicate A faulty firing circuit on the Main Control Module Exchange the Main Control Module to see if the fault is remo...

Page 16: ...connected to a plastic connector block that the Main Control Module is seated into 2 Remove the Main Control Module from the soft starter 3 At the plastic connector block measure the voltage between...

Page 17: ...terminal cover Step 2 Undo fixing screws 4 and lift off Control Module NB Lift the control module straight off DO NOT Pivot Step 3 Fit new Control Module in reverse order Control Module MCD3185 MCD38...

Page 18: ...ted Step 4 Detach the Identity Module from the top gland plate for models MCD3075 3132 the fan grill below the top gland plate must be removed to allow detachment Fit the new Identity Module in revers...

Page 19: ...ction Module Step 4 Fit the new Snubber Overvoltage Protection Module in reverse order Snubber Overvoltage Protection Module MCD3075 MCD3132 Step 1 Disassemble the MCD3000 as described for Identity Mo...

Page 20: ...Identity Module All plugs have locating mechanisms to ensure they are correctly fitted The three temperature detector plugs are interchange and can be connected to any of the temperature detector pin...

Page 21: ...s trademark 21 Component Replacement Procedures Step 7 Unplug the SCR leads Step 8 Undo fixing screws 2 undo the fixing nuts 6 and remove the Snubber Overvoltage Protection Module Step 9 Fit the new S...

Page 22: ...Undo fixing screws 4 and lift off Control Module Step 3 Unplug the three temperature detector plugs and the CT plug from the identity module All plugs have locating mechanisms to ensure they are corr...

Page 23: ...p 9 Fit the new Snubber Overvoltage Protection Module in reverse order SCRs MCD3007 MCD3132 Step 1 Remove the Main Control Module Identity Module using the method described on page 18 Step 2 Unplug th...

Page 24: ...the screw 1 connecting the output bus bar T1 T2 or T3 to the top of the SCR being replaced Model Torque MCD3007 MCD3030 4 NM MCD3037 MCD3075 7 NM MCD3090 MCD3132 12NM Step 6 Slide the busbar up or do...

Page 25: ...Module All plugs have locating mechanisms to ensure they are correctly fitted The three temperature detector plugs are interchange and can be connected to any of the temperature detector pins on the I...

Page 26: ...he same mechanical orientation as the original Power Assembly Step 10 Undo the bolts 24 securing the bus bars to the power assemblies These bolts are tightened to 12NM for models MCD3185 3500 and 17NM...

Page 27: ...per SCR connected to each of the SCRs Firing Loom Connection Detail MCD3007 3030 MCD3037 3045 MCD3055 Step 4 Undo and remove the screws 2 per SCR connecting the input and bypass bus bars L1 B1 L2 L3 B...

Page 28: ...on plate Step 10 Remove the screws 4 securing the fan bracket Step 11 Remove the fan bracket Step 12 Remove the fan from the fan bracket Step 13 Cut the plug from the end of the fan wiring loom leavin...

Page 29: ...the MCD3000 Step 3 Undo the screws 2 securing the bus bar support bracket Step 4 Unclip the CT s and slide off the bus bar support bracket Note 1 For MCD3090 3110 this will also require the detachment...

Page 30: ...t least 75mm wire between the cut and the plug Retain the plug protective sleeve and grommet so that these can be fitted to the new fan wiring during re assembly Crimp terminals are supplied with the...

Page 31: ...g end caps fan grills from the left side of the MCD3000 Step 3 Undo the screws 2 securing the bus bar support bracket Step 4 Undo the scr ews securing the vertical support rail and slide the rail out...

Page 32: ...the base plate Step 9 Remove the screws 6 securing the fan bracket This will also require the loosening of output bus bar T2 Step 10 Cut the crimp terminals 2 from the end of the fan wiring loom New c...

Page 33: ...Power Assembly mounting screw 4 and remove the lower power assembly For models MCD3600 3800 is will also require removal of the polycarbonate fan insulation plate Step 3 Undo the Cooling Fan mountin...

Page 34: ...plate from the MCD3000 Step 3 Undo the screws 2 securing the power transformer and earth wire Step 4 Cut the wiring MCD3007 3022 orange purple orange MCD3030 3055 orange purple orange white white run...

Page 35: ...2 Remove the lower gland plate from the MCD3000 Step 3 Undo the screws 2 securing the power transformer and earth wire Step 4 Cut the wiring orange purple orange white white running from the PT Ensure...

Page 36: ...plate from the MCD3000 Step 3 Undo the screws 2 securing the power transformer and earth wire Step 4 Unplug the white wires 2 running from the PT to the fan supply rectifier Step 5 Cut the wiring ora...

Page 37: ...e screws 2 securing the power transformer and earth wire Step 3 Unplug the white wires 2 running from the PT to the fan supply rectifier Step 4 Cut the wiring orange purple orange running from the PT...

Page 38: ...MCD3000 Series 38 MG 15 B2 02 VLT is a registered Danfoss trademark Component Replacement Procedures...

Page 39: ...MCD3000 Series MG 15 B2 02 VLT is a registered Danfoss trademark 39 Schematics Schematics...

Page 40: ...MCD3000 Series 40 MG 15 B2 02 VLT is a registered Danfoss trademark Schematics...

Page 41: ...MCD3000 Series MG 15 B2 02 VLT is a registered Danfoss trademark 41 Schematics...

Page 42: ...MCD3000 Series 42 MG 15 B2 02 VLT is a registered Danfoss trademark Schematics...

Page 43: ...MCD3000 Series MG 15 B2 02 VLT is a registered Danfoss trademark 43 Schematics...

Page 44: ...MCD3000 Series 44 MG 15 B2 02 VLT is a registered Danfoss trademark Schematics...

Page 45: ...MCD3000 Series MG 15 B2 02 VLT is a registered Danfoss trademark 45 Schematics...

Page 46: ...MCD3000 Series 46 MG 15 B2 02 VLT is a registered Danfoss trademark Schematics...

Page 47: ...MCD3000 Series MG 15 B2 02 VLT is a registered Danfoss trademark 47 Schematics...

Page 48: ...MCD3000 Series 48 MG 15 B2 02 VLT is a registered Danfoss trademark Schematics...

Page 49: ...MCD3000 Series MG 15 B2 02 VLT is a registered Danfoss trademark 49 Schematics...

Page 50: ...MCD3000 Series 50 MG 15 B2 02 VLT is a registered Danfoss trademark Schematics...

Page 51: ...Over corrected bulk power factor correction on a lightly loaded system causing severe ringing voltages Overtemperature Blocked heatsinks or restricted ventilation Faulty cooling fans Inadequate venti...

Page 52: ...itched directly Solution Before using an MCD3000 soft starter PCB mount output relay for direct switching of an electronic contactor coil consult the contactor manufacturer supplier to see if this is...

Page 53: ...l contacts used for operating the remote control inputs must be low current low voltage types gold flash or similar These inputs are internally powered by 24VDC and must only be operated by external v...

Page 54: ...MCD3000 Series 54 MG 15 B2 02 VLT is a registered Danfoss trademark Appendix...

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