Baldor Baldor, MN850 manual Grounded or Symbol High Resistance Ground Control Enclosure

Page 65

Figure D-2 WYE Configurations

Ungrounded

Symbol

Control

Enclosure

L1 L2 L3 T1 T2 T3

L1

L2

L3

MOV

Do not ground MOV. Cut off green wire and insulate (cap off) with wire nut.

Grounded or	Symbol
High Resistance Ground	Control
	Enclosure

L1 L2 L3	T1 T2 T3
L1
L2

L3

MOV

D-2 Voltage Surge Protection

MN850

Image 65

Contents Digital Soft-Start Table of Contents Appendix B Appendix aAppendix C Appendix DIntroduction Limited WarrantySection General Information Precautions Safety NoticeReceiving, Inspection and Storage Section InstallationPhysical Location Air Flow Clearance RequirementsCover Removal Mounting Instructions For clearance mounting holes Tools RequiredMounting Instruction For tapped mounting holes AC Main Circuit Catalog Number Connection DescriptionsUL Required Fuses for Short Circuit Rating Motor Overload and Thermal Protection Control SupplyBaldor Digital Soft-StartBaldor Digital In-Delta Soft-Start Connections45x20 NEC Wire Size and Protection Devices115 / 230VAC Three Wire ControlTwo Wire Control 115/230VAC Top of Ramp Bypass ConnectionTo AC Input Motor Reversing ConnectionShock Mounting InstallationSection Operation Pre-Start ChecklistOverview Sure to check the following itemsKeypad Mode Switch System Program Menu Data Status Entry Start-Up ProcedureKeypad Operation Action Description Display CommentsMenu Mode System Status Mode Description Display CommentsData Entry Mode Operating ModesMenu Structure Menu Structure DiagramMenu Navigation Menu Navigation ExamplesSave Param Motor Starting Definitions Term Motor Starting Key TermsApplications Auto Features Remote Start and Running the Motor Optimising CurrentStopping the Motor Motor Stopping Definitions TermMenu Descriptions Section Parameter IndexBasic Menu Applications MenuParameter Index MN850 Advanced Menu Auto Features Menu Inputs Menu Password MenuPermanent Store Menu Trips Menu Outputs MenuParameters Menu Parameter Description Title Parameter Description Parameter DescriptionsRatedCurrent x Example P52 User Flags Definition Preset ValueK3 BIT Mask Missing. Check fuses etc Second of a start request is forced to 0 stop time Thermal Switch 2 Over temp . Prevents re-start if set , Off Fault Trip Messages Section TroubleshootingPower Off Checks Preliminary ChecksIndication Corrective Action Troubleshooting Guide230/460VAC 3 Phase Electrical Noise Considerations Analog SignalsRelay and Contactor Coils Special Motor ConsiderationsIdentification Section Specifications and Product DataOperating Conditions Input RatingsStorage Conditions 230V 460V 575V Size Mounting Dimensions10.43 265 Mounting Dimensions 151 200 100 105 12.68 24.45 10.87 Specifications and Product Data MN850 Appendix a CE Guidelines Wiring of Shielded Screened CablesCE Declaration of Conformity EMC Conformity and CE MarkingControl Cable Screens Grounding EMC Installation InstructionsAppendix MN850 Appendix B Parameter Values Title Parameter Adjustable Range Factory User SettingApplications MN850 MN850 Applications B-3 Section General Information Voltage Independent Parts Description Appendix C Replacement Parts575VAC Parts Description Grounding Appendix D Voltage Surge ProtectionVoltage Surge Protection MN850 Grounded or Symbol High Resistance Ground Control EnclosureTable D-1 Baldor MOV Specifications Corner or Center-Tap Symbol Grounded Control EnclosureVoltage Surge Protection MN850 Appendix E 340 810 500 250 Remote Keypad Mounting Template500  Baldor Electric Company MN850 03 C&J1500 Baldor Electric Company