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MGE UPS Systems 700 3.8SCR Heat Sink Assemblies, 3 —12, Figure 3-7: Power-Sure™700 — 10-30kVASCR Heatsink Assembly

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Power-Sure™ 700 — Three Phase Power Conditioners

3.8SCR Heat Sink Assemblies

Figure 3-7: Power-Sure™ 700 — 10-30kVA SCR Heatsink Assembly.

SEMI-CONDUCTOR FUSE

SHUNT

GATE CONNECTIONS G1 - 1 THROUGH G1 - 7, G2 - 1 THROUGH G2 - 7 (TYPICAL)

FUSIBLE

LINK

CABLE TO TRANSFORMER

TAP WIRES FROM POWER TRANSFORMER (K2-1 THROUGH K2-7

CONNECTIONS, TYPICAL)

THERMAL

SENSOR

POWER MODULE

3 —12

Maintenance

86-108814-00 B01

Contents

w w w . m g e u p s . c o m Installation and User Manual NOTE How To Use This Manual CAUTION: Record All Serial Numbers POWER-SURE™700 SERIAL NUMBER: ADDITIONAL SERIAL NUMBERS: For service call MGE UPS SYSTEMS, INC. 1660 Scenic Avenue Costa Mesa, CA 92626 (714) Page Contents . .page Scope .3 — 3 — MGE Warranty & Propriety Rights W — MGE Warranty Proprietary Rights Statement MGE Service and Repair 2-1: Power-Sure™700 — 10-15kVAMechanical Cabinet Measurements 2-2: Power-Sure™700 — 25-30kVAMechanical Cabinet Measurements 2-3: Page Introduction 1.0Scope 1.1Reference Manuals 1.2Section Descriptions Introduction 1.3Receiving and Inspection Notes 1.3.1Location and Storage 1.4General Description Introduction - Description 1.4.1Electrical and Performance Specifications 1.4.2Main Transformer Specification Introduction - Specifications 1.4.3Input Breaker 1.5Monitoring the Power-Sure™700 1.6Protection for the Power-Sure™700 Introduction - Protection Installation and Operation 2.0Scope 2.1Installation Notes 2.2MGE UPS Systems Power-Sure™700 Installation and Operation 2.3Power-Sure™700 Installation Drawings and Cabinet Dimensions Figure 2-2: Power-Sure™700 — 25-30kVAMechanical Cabinet Measurements Figure 2-3: Power-Sure™700 — 45-150kVAMechanical Cabinet Measurements 2.4General Operation Notes 2.5Power-Sure™700 Cable Connections 2.5.1Input Wire Size, Grounding, and Output Wiring Unit Size Input Minimum in kVA Ground Wire 2.6Start-UpSequence Maintenance 3.0Scope 3.1Preventive Maintenance Company Model Serial 1.Customer Comments or Problems: Power Conditioner Environment (clean and dust free): (Continued) 3.2Troubleshooting Guide 3.3Troubleshooting Power Line and Electrical Connections 3.3.1Step 1. Disassembling the Power Conditioners 3.3.2Step 2. Electrical Connections, Fuses 3.4Checking the Power Modules (SCR) 3.5Check SCR Snubber Card 3.5.1Check Control Card and Filter Card 3.6Final Testing and Adjustments 3.7Unit Component Location Diagrams Figure 3-5: Power-Sure™700 — 45-150kVAMajor Components (Rear View) 3 —10 3 —11 3.8SCR Heat Sink Assemblies Figure 3-8: Power-Sure™700 — 45-50kVASCR Heatsink Assembly 3 —13 Figure 3-9: Power-Sure™700 — 75-150kVASCR Heatsink Assembly 3 —14 3.9Field Adjustments of Circuit Cards 3.9.1 Power-Sure™700 Control Card #49120/407415 3.9.2 Control Card Adjustment Procedure 3.9.3Over/Under Voltage Detection Board #35867 3.9.3.1 Undervoltage Adjustment 3.9.3.2 Overvoltage Adjustment 3.9.3.3 Delay Adjustment 3.10Manual Bypass Switch Option 3.10.1 Normal Mode 3.10.2 Bypass Mode 3.10.3 Remote Emergency Power OFF (REPO) (Optional) 3.11Replacement Parts 3.12Part Numbers Page Appendices Figure A-1: 10-50kVAWiringDiagram MGE UPS Systems, Inc Figure A-2: 75-150kVAWiringDiagram B01 Figure A-3: 225-300kVAWiringDiagram Page MGE Standard Three Phase Warranty Proprietary Rights Statement Technical Support and Product Services Who To Contact Customer Care Center: 1-800-438-7373(Hours: 24/7) Customer FAQ Page Page Page United States MGE UPS SYSTEMS Canada Latin America and Other International