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www.mgeups.com
Standard Features
◗ Epsilon 200A System
◗ Epsilon 400A/600A
System
TM
Epsilon STS
200A and 400A/600A
Static Transfer Switch
Installation and User Manual
86-504004-00 B03
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Installation and User Manual TM Epsilon STS 200A and 400A/600A Static Transfer Switch Installation and User manual Revision History Epsilon STS 200A and 400A/600A STS, Installation and User Manual 86-12345-00 B02 Revision: A00 Initial Release 06/2002 B00 ECN: 002866 09/2002 B01 ECN:#003777 03/2004 B02 ECN:#004471 07/2005 B03 ECN:#004991 10/2006 Copyright © 2005 MGE UPS SYSTEMS, INC. All rights reserved. Printed in U.S.A. MGE UPS SYSTEMS, INC. 1660 Scenic Avenue Costa Mesa, CA 92626 (714) 557
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TM Epilson STS IMPORTANT SAFETY INSTRUCTIONS TM SAVE THESE INSTRUCTIONS – This manual contains important instructions for the Epsilon STS that must be followed during operation of the equipment. WARNING Opening enclosures expose hazardous voltages. Always refer service to qualified personnel only. ATTENTION L'ouverture des cabinets expose des tensions dangereuses. Assurez-vous toujours que le service ne soit fait que par des personnes qualifiees. WARNUNG! Das öffnen der Gehäuse legen gefährli
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Installation and User Manual WARNING To reduce the risk of fire or electric shock, install in a temperature and humidity controlled indoor area free of conductive contaminant’s. This equipment is intended only for installations in a RESTRICTED ACCESS LOCATION. ATTENTION Pour réduire le riske d'inccendie ou d'électrocution, installer dans une enciente intérieure contrôlée en température et humidité et sans contaminant’s conducteurs. Ce matériel est destiné seulement pour des installations dans
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TM Epilson STS CAUTION: Record All Serial Numbers! TM RECORD ALL SERIAL NUMBERS FOR THE Epilson STS AND COMPONENTS. THESE SERIAL NUMBERS WILL BE REQUIRED IF YOUR SYSTEM NEEDS SERVICE. KEEP THIS MANUAL IN A PLACE WHERE YOU CAN REFERENCE THE SERIAL NUMBERS IF SERVICE IS REQUIRED! UPS SERIAL NUMBER: _______________________________________________________ MODULE SERIAL NUMBER: ____________________________________________________ BATTERY SERIAL NUMBER: ___________________________________________
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Contents section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .i IMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . .ii Certification Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ii How to use this manual and Symbol Usage . . . . . . . . . . . . . . . . . . . .iii CAUTION: Record
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TM Epilson STS Section 2 Setup and Installation section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 2.0 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 — 1 First steps by an on-site qualified Technical Engineer . . . . . . . .2 — 1 Final steps by MGE Field Service Engineer . . . . . . . . . . . . . . . .2 — 1 Required Equipment and Tools . . . . . . . . . . . . . . . . . . . . . . . .
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Installation and User Manual Section 3 Operation (continued) section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 3.4.6 EPO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 —6 3.5 Preferred Source Selection (Symmetrical Operation) . . . . . . . . .3 —6 3.6 Sensing and Transfer Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 —6 3.7 Overload Operation . . . . . . . . . . . .
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TM Epilson STS Figures figure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page QS-1 Positioning of 200A Epsilon STS™. . . . . . . . . . . . . . . . . . . . . .QS —2 QS-2 Positioning of 400/600A Epsilon STS™ . . . . . . . . . . . . . . . . . .QS —3 QS-3 200A STS Input/Output Power Connections. . . . . . . . . . . . . . .QS —4 QS-4 400/600A STS Input/Output Power Connections. . . . . . . . . . . .QS —5 QS-5a 200A STS . . . . . . . .
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On-Site Quick Start CAUTION Scheduling of the MGE Field Service Engineers typically should be done 7 to 10 days before they are required on-site. If the startup of the UPS is critical to maintaining your schedule, please call the MGE toll free telephone number at 1-800-438-7373 for assistance. Final installation and start-up should be completed by a qualified MGE Field Service Engineer. This On-site Quick Start will guide qualified engineers through unpacking and positioning the unit, the e
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TM Epilson STS Step 1 Unpacking TM Once the Epsilon STS UPS System has been inspected and received from the shipping courier, the unit should be moved with the use of a fork lift or pallet jack to a position as close to the final installation location as possible. Prior to any installation, the following items should be observed upon receipt of the Epsilon STSTM 10-30 kVA UPS. 1. Inspect shipment for any damage prior to receipt. Damage claims should be filed directly with the courier. Replacem
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Installation and User Manual Figure QS-2 Positioning of 400/600A Epsilon STS™ LEVELING CASTERS JACKS OPTIONAL SEISMIC BRACKETS SECURED USING 3/8 BOLT 86-504004-00 B03 Quick Start QS —3
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TM Epilson STS Step 2 Connection of Utility Power Inputs Connect Input Power from Two Sources The Epsilon STS™ systems provides for either top or bottom cable entry. Connections are to be made with 75°C copper wire cables and using the lugs supplied with the STS unit. Refer to section 2.0 Installation and/or the system installation drawing(s) for more details (such as cable size and number of conductors). NOTE: Three phase input power supplied as a Wye must have a separate, solidly grounded
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Installation and User Manual Figure QS-4 400/600A STS Input/Output Power Connections. TOP ENTRY CONTROL WIRE CONDUIT PLATE PANDUIT/WIRE-WAYS COMMUNICATION CARDS CONTROL WIRES TB1 THREADED THROUGH TERMINAL UNIT CONTROL WIRE PANDUIT/WIRE-WAYS BRACE AT 12" INTERVALS CONTROL WIRES BOTTOM ENTRY CONDUIT PAN Step 4 Arrival of MGE Field Engineer The MGE Field Engineer will finalize the initial Epsilon STS™ start-up. To insure a successful installation and reliable STS service, the MGE Field Engineer
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TM Epilson STS Optional Steps Should you require AC power on site prior to the arrival of the MGE Field Engineer, the following procedure will provide the AC power in the bypass mode. Should you have any questions about this procedure, do not hesitate to contact MGE Customer Support. A. Ensure that all switches, CB1-5 in the STS are open (off). B. Apply input power to the source S1 input of the STS by closing the upstream circuit breaker for source S1. The STS controls will power up and issues
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Introduction 1.0 Scope TM Introduction is a general description of system characteristics of Epsilon STS , its intended use and applicable electrical, mechanical and environmental specifications. 1.1 Reference Manuals 160304-00 C00 JBUS/RS232, Installation and User manual. 1.2 Section Descriptions Quick Start This Quick Start will guide qualified engineers through unpacking and positioning the unit, the equipment, tools, and steps required to perform power input/output connections to prepare
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TM Epilson STS 1.3 General Description The Epsilon STS™ system is available in two different cabinet sizes. Dimensions for the cabinets are: ◗ 200A cabinet: 72”H x 24”W x 30”D ◗ 400A/600A cabinet: 72”H x 38”W x 30”D Both cabinets are designed to provide for top and/or bottom entry of input and output power feeds. The Epsilon STS™ system can be purchased to accept 208 VAC, 220 VAC, 240 VAC, 440 VAC, 480 VAC, 575 VAC or 600 VAC utility feed. Figure 1-1a: Epsilon STS™ - 200A Cabinet. Figure 1
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Installation and User Manual TM 1.4 Epsilon STS System Characteristics The Epsilon digital Static Transfer Switch (STS) is a solid state, three-phase, break-before-make, dual position switch designed to connect a critical three-phase load to one of two separate, independent, synchronized sources of three-phase power. The STS consists of six pairs of SCR's connected in an AC switch configuration. Each 3- phase input is fed through a molded case automatic switch which provides short circuit prot
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TM Epilson STS 2 2 1.4.1 PMM Plus and PMM Ultra 2 2 In the PMM Plus configuration, the input of the PMM cabinet is supplied by the output of the STS. The dual input distribution system accepts two independent AC input sources feeding to the STS. If the preferred input source power is not available, the STS will transfer to the alternate input source, avoiding interruption to the critical load. The output power is conditioned and stepped down to distribution voltage via an isolation transformer
