MGE UPS Systems STS 400A Installation And User Manual Download

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Epsilon STS

200A and 400A/600A

Static Transfer Switch

Installation and User Manual

86-504004-00 B03

w w w . m g e u p s . c o m

Standard Features

◗

Epsilon 200A System

◗

Epsilon 400A/600A
System

Summary of Contents for STS 400A

Page 1: ...Epsilon STSTM 200A and 400A 600A Static Transfer Switch Installation and User Manual 86 504004 00 B03 w w w m g e u p s c o m Standard Features Epsilon 200A System Epsilon 400A 600A System ...

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Page 3: ...on 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 1636 Technical Support 1 800 523 0142 during business hours Customer Care Center 1 800 438 7373 H...

Page 4: ...equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the ins...

Page 5: ...n einem Ort mit eingeschränkter Zugangserlaubnis vorgesehen Diese Ausrüstung ist nur für Anlagen in einem EINGESCHRäNKTEN ZUGRIFF STANDORT bestimmti WARNING HIGH LEAKAGE CURRENT Earth connection essential before connecting supply ATTENTION COURANT DE FUITE ELEVE Raccordement a la terre indispensable avant le raccordement au reseau WARNUNG Hoher Ableitstrom Vor Inbetriebnahme Schutzleiterverbindung...

Page 6: ...UMBER ___________________________________________________ ADDITIONAL MODULES SERIAL NUMBERS ____________________________ ______________________________ ____________________________ ______________________________ ____________________________ ______________________________ ____________________________ ______________________________ ____________________________ ______________________________ ________...

Page 7: ... QS 4 Step 3 Connection of the Load Outputs QS 4 Step 4 Call MGE UPS Systems for Field Engineer Service QS 5 Step 5 Arrival of MGE Field Engineer QS 5 Optional Steps QS 6 Section 1 Introduction section description page 1 0 Scope 1 1 1 1 Reference Manuals 1 1 1 2 Section Descriptions 1 1 1 3 General Description 1 2 1 4 Epsilon STSTM System Characteristics 1 3 1 4 1 PMM2 Plus and PMM2 Ultra 1 4 1 5 ...

Page 8: ...2 3 9 Replacing the Cover 2 7 2 4 Setting Operation Mode 2 8 2 5 Setting the Output Relay Contacts and Inputs Switching States 2 9 2 5 1 Connection of the JBUS Communication Card 2 10 2 6 Check Points Before and After Start Up 2 10 2 6 1 Pre Start Up Safety Check List 2 10 2 6 2 Post Start Up Safety Check List 2 10 Section 3 Operation section description page 3 0 Scope 3 1 3 1 Preparation for Oper...

Page 9: ... Panel 3 9 3 13 Front Display Interface Panel 3 10 3 14 Operator Interface Screens 3 14 3 15 Epsilon STS Customization 3 15 Glossary Reorder Form MGE Warranty Proprietary Rights for Three Phase Products MGE Standard Three Phase Warranty Proprietary Rights Statement Warranty and Product Registration User Information Product information Warranty Extension Warranty Customer Care Center Single Phase P...

Page 10: ... STS Cabinet Clearances 2 2 2 2 200A 400 600A STS Cabinet Footprint and Top View 2 3 2 3 Control Connections 2 4 2 4 Output Contacts 2 6 2 5 Removing the Communications Card Cover 2 7 2 6 Removing the Communications Card Cover 2 7 2 7 SA2 and Dip switch location on communication card 2 8 2 8 JBUS Communication Card 2 10 3 1 Front Display Interface Panel 3 10 3 2 LCD Normal Operation Screen 3 11 3 ...

Page 11: ...Field Service Engineers to perform on site final installation and startup To insure a successful installation each of these 4 steps should be followed in their correct sequence Note that any unauthorized installation may cause damage to the UPS s and void the MGE warranty First steps by an on site qualified Technical Engineer Step 1 Unpack and position the unit Step 2 Connect the main utility powe...

Page 12: ...placements for damaged components should be ordered through MGE Customer Support Services at 1 800 438 7373 2 Remove wrapping and foam corners to verify that the equipment nameplate located on the inside door of the cabinet details a system that corresponds with the equipment ordered See Figure QS 1 3 The casters on the unit will allow it to be positioned into the final installation location At th...

Page 13: ...Installation and User Manual Figure QS 2 Positioning of 400 600A Epsilon STS Quick Start QS 3 86 504004 00 B03 CASTERS LEVELING JACKS OPTIONAL SEISMIC BRACKETS SECURED USING 3 8 BOLT ...

Page 14: ...ral of both AC sources can be grounded to the same potential Step 3 Connection of the Load Outputs The Epsilon STS system 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 condu...

Page 15: ...r will verify all of the installation connections fusing and then will examine the extensive set of Epsilon STS personalization parameters to insure that the operation of the STS exactly matches your installation requirements Quick start QS 5 86 504004 00 B03 CONTROL WIRES THREADED THROUGH UNIT CONTROL WIRE PANDUIT WIRE WAYS TOP ENTRY CONDUIT PLATE BRACE AT 12 INTERVALS BOTTOM ENTRY CONDUIT PAN CO...

Page 16: ...B5 S2 bypass switch and remove the lock key for 4 interlock system also lock CB2 and remove key Using key s unlock and close CB4 S1 bypass switch D At this point power will be available for site usage until the STS is properly commissioned E Upon arrival of the MGE Field Service Engineer the main power must be disconnected so that a safe and proper commissioning of the unit may be accomplished WAR...

Page 17: ...on and startup 1 Introduction Introduction is a general description of system characteristics of Epsilon STSTM its intended use and applicable electrical mechanical and environmental specifications 2 Setup and Installation Setup and Installation guides the User through tools and equipment required for making hardwire connections Included are power cable connections with wire diagrams for configuri...

Page 18: ...Characteristics Enclosure Type NEMA 1 Free standing modular configured with hinged dead front construction protecting high voltage areas Enclosure Dimensions Depth 30 System will pass through standard 36 wide door Height 72 Width 24 for 200A STS 38 for 400A and 600A STS Accessibility Front access for operation and maintenance Front or side access for customer power connection points Power Connecti...

Page 19: ...hich define the operation and performance of the system Many of these variables may be adjusted for site specific criteria The determination to transfer from one source to the other involves the evaluation of Source Qualities and System Operating parameters Source Quality Concerns the evaluation of a sources ability to support the critical load by evaluating the voltage phase current and frequency...

Page 20: ...mer feeding panelboards or main frame circuit beakers In the PMM2 Ultra configuration an isolation transformer feeds each STS input source upstream of the STS The transformer secondary output of the PMM2 1 left cabinet supplies the Source 1 input and PMM2 2 right cabinet supplies Source 2 input of the STS cabinet If the preferred source input power is not available the STS will transfer to the alt...

Page 21: ...ink assemblies containing six pairs of hockey puck SCR s Switch 1 and 2 each having 3 pairs of SCR s automatically switch the load to either source S1 or S2 Control Electronics The microprocessor based core control uses FPGA s for input and output signal processing and control sequencing to optimize sensing time Front Display Panel The LCD screen pushbuttons and LED mimic diagram make up the displ...

Page 22: ...id state SCR switches or bypass to either source using manual bypass switches PMM2 Plus A configuration with the Epsilon STS and PMM2 cabinet The input of the PMM2 cabinet is supplied by the output of the STS Refer to the PMM2 manual 86 505004 00 for more details PMM2 Ultra A configuration with the Epsilon STS and PMM2 cabinet PMM2 isolation trans formers feed each STS input source upstream of the...

Page 23: ...re opened isolating the static switch section for maintenance Figure 1 4 Single Line Diagram Epsilon STSTM with Options Introduction 1 7 86 504004 00 B03 CB1 A SOURCE 1 SW1 B C A B C N G CB4 CB2 A SOURCE 2 SW2 B C A B C N G CB5 N G AC DC PS 1 AC DC PS 2 AC DC PS 3 TVSS 1 OPTION FUSE CONTROLS TVSS 2 OPTION FUSE CB3A CB3B OPTION A TO CRITICAL LOAD B C A B C N G OUTPUT SOURCE S1 INPUT SOURCE S2 INPUT...

Page 24: ...with input voltage Maximum Continuous 200 400 600 Amps Current Molded Case Switch 250 400 600 Amps Rating Input Output 50 60 Hz 5 Hz Frequency Load Power Factor Unity to 0 60 lagging or leading Non Linear Loads 100 of its rating up to Capability maximum crest factor of 3 5 Overload Rating 150 for 15 minutes 1000 for three 3 cycles Source Voltage Up to 10 THD with notching Distortion and ringing tr...

Page 25: ...ources to this equipment before servicing 1 7 3 Connecting Power Cables To access the connection terminal busbars open the front door of the Epsilon STS Remove the screws securing the swing out control panel upper panel in the 200A STS and open it Remove the safety panel located in the upper left hand section of the unit a Connect the 3 phase ground and neutral if used conductors of input AC Sourc...

Page 26: ...y However access to the input and load power connections is made through the removal of the safety panel located in the upper left of the Epsilon STS front with the door open This safety panel is removed by first removing the screws securing the panel It can then be removed by lifting the safety panel away from the unit Figure 1 5 200A STS Power and Control Wire Connections Table 1 1 Input Output ...

Page 27: ...SUPPLIED HOLE AMPS 75 C CU DIA QTY 400 2 4 1 250 MCM 250 MCM 3 8 STUD 4 3 T B M973 OR EQUIV 600 3 5 1 250 MCM 250 MCM 3 8 STUD 4 1 2 3 T B M973 OR EQUIV Introduction 1 11 86 504004 00 B03 CONTROL WIRES THREADED THROUGH UNIT CONTROL WIRE PANDUIT WIRE WAYS TOP ENTRY CONDUIT PLATE BRACE AT 12 INTERVALS BOTTOM ENTRY CONDUIT PAN COMMUNICATION CARDS TB1 TERMINAL CONTROL WIRES CONTROL WIRE PANDUIT WIRE W...

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Page 29: ...l free telephone number at 1 800 438 7373 for assistance To insure a successful installation each of these 5 steps should be followed in their correct sequence Note that any unauthorized installation may cause damage to the UPS s and void the MGE warranty First steps by an on site qualified Technical Engineer Step 1 Unpack and position the unit Step 2 Connect the main utility power Step 3 Connect ...

Page 30: ...meters are listed in Appendix B The Epsilon STS cabinets generate heat and exhaust air through the top portion of its enclosures Air intake is through the lower front or bottom of the cabinet All other auxiliary cabinets are convection cooled To assist you in planning for your HVAC needs heat rejection data is provided in Table 2 1 for a worst case scenario i e maximum rated power output Table 2 1...

Page 31: ... the STS The main 3 phase cables of input Source 2 are terminated at the Source 2 input busbars Neutral if supplied and Ground cables are terminated at the Neutral N and Ground GND busbars respectively All cables from Source 2 should be run in a single conduit separately from all other cables power supply or computer system interconnection cables They should not pass near interference emitting equ...

Page 32: ...r pushbutton ensure that each side of the contact or pushbutton is connected to the same terminal on all the STS s 2 3 4 Remote Source Loss Test Cable Connections Control connections are available for Remote Source Loss Test through a customer supplied normally open dry contact or pushbutton a Connect the source loss test N O contact or pushbutton to terminals 3 and 4 of the customer terminal bloc...

Page 33: ...ble Automatic Retransfer Enable Transfers Disable Transfers Note 1 Power sources connected to card must be equipped with protection devices with a maximum breaking capacity of 2A 2 Connections must be form C Dry Contacts Outputs Factory Setting Options available on all contacts 1 1 Power supplied to Load Power supplied to Load Summary Alarm source or STS fault 1 2 Summary Alarm STS Fault source or...

Page 34: ...h Output alarms are always activated on the conditions stated unless requested by the customer to operate on other conditions Input contacts are designed for remote STS operation Use extreme caution when using these contacts so as not to endanger persons or compromise the STS load CAUTION Isolate and lock out all power sources for this card before making connections Never connect ELSV governed by ...

Page 35: ...e in diagram below Figure 2 5 Removing the Communications Card Cover 2 3 9 Replacing the Cover d Put the cover back in place and secure it with the screws 1 e Tighten the screws 7 to clamp the cables f Indicate the locations of the power sources on the labels g Insert the card in its slot h Secure the card with two screws 2 Figure 2 6 Replacing the Communications Card Cover Installation 2 7 86 504...

Page 36: ...Mode default All switches OFF SA1 switch 1 ON First Card Second Card optional Programmable Mode Programmable Mode SA1 switch 3 ON SA1 switches 1 3 ON Figure 2 7 SA2 and Dip switch location on communication card SA1 ON OFF 8 1 SA1 ON OFF 8 1 SA1 ON OFF 8 1 SA1 ON OFF 8 1 Epilson STSTM Installation 2 8 86 504004 00 B03 SA1 SA2 SA1 DIP Switch SA2 DIP Switch ...

Page 37: ...ers for inputs A and B are set using SA2 DIP switches 7 and 8 respectively When the SA2 DIP switch is set to OFF the relay input is set to N O When the SA2 DIP switch is set to ON the relay input is set to N C SA2 ON OFF 8 N O N C 1 Installation and User Manual Installation 2 9 86 504004 00 B03 SA1 ON OFF 8 1 NOTE By default all the relay contacts are Normally Open NO see section 1 4 Contact open ...

Page 38: ...load requirements The input voltage is the same as indicated on the STS nameplate located inside the door of the Epsilon STS module The air filters located inside the STS module door 400 600A units only are properly installed and free of dust dirt and debris Make certain that no objects block the air intake underneath and around the front bottom of the STS module and the air exhaust on the top of ...

Page 39: ...ons The following sections discuss in more detail these items 3 2 Pre Start Up Safety Check List Ensure all power and control wires have been properly connected and securely tightened Recheck phase rotation for both sources and proper grounding of the equipment Check to see that the upstream and downstream protective devices are not tripped and have been sized properly for the STS and load require...

Page 40: ...ng the removed key s unlock and close the selected bypass switch 6 Apply power to the load by closing the load circuit beakers if installed including PMM power distribution circuit beakers where applicable 7 Close the Source 1 preferred isolation switch CB1 The STS will turn on the preferred source SCR Switch 1 Verify on the LED mimic diagram on the front display panel Also check the operating sta...

Page 41: ...LTAGES Dangerous voltage levels are still present inside the STS cabinet When bypassed isolated control power supply circuits are still live and power is provided for indicator lights and emergency power off circuits Disconnect all sources of power before servicing Refer servicing to qualified service personnel 3 2 3 Shutdown Procedure To isolate and shutdown the static switch section of the STS 1...

Page 42: ...panel is in the ON position enabling the manual control pushbuttons and some setpoint changes for the following manual opera tions a Manual Change Preferred Source Pushbutton Selects other source as Preferred causing a transfer without break to the selected source if it is available and within acceptable limits and is not the active source If the two sources are outside the preset in sync phase wi...

Page 43: ...two total CB1 CB2 b STS output isolation switch One for both static switch SCR assemblies one total CB3A A second redundant output isolation switch CB3B is available as an option c Maintenance bypass switch One for each static switch SCR assembly two total CB4 CB5 All STS switches are automatic with magnetic trip only with plug in bases for ease of removal for replacement calibra tion or testing w...

Page 44: ...oltage condition indicating that the under voltage condition caused the overload Automatic transfer is inhibited and the load will stay on the active source until the overload condition is cleared and the system is reset this fault condition is memorized An Overload alarm will be given if the load current exceeds the RMS current overload setting for more than 30 seconds This overload condition wil...

Page 45: ...k before make to prevent any cross conduction even in out of phase conditions 3 11 Bypass Procedure Bypass Load to Source 1 1 The Source 1 SCR Switch 1 must be indicated closed on the display panel If not transfer the load to Source 1 by turning the Manual Control key switch on the front display panel to the ON position and pressing the Change Preferred Source Pushbutton The STS should transfer to...

Page 46: ...cation on the display panel that Source 2 SCR Switch 2 is closed 3 Close Output isolation switch es CB3A and CB3B if installed 4 Open Source 2 bypass switch CB5 and lock 5 Close Source 1 isolation switch CB1 For 4 interlock system remove key from CB5 lock to unlock CB1 and close CB1 Test Mode Except with 4 Interlock System 1 Bypass the load to Source 1 or 2 see above procedures 2 Close both source...

Page 47: ...the available displays and control the performance of the unit The operation of the Epsilon STS is designed to require minimal operator interaction and yet it provides as can be seen in the previous sections a multitude of displays and menus to provide information about and capabilities to control the system The final appendix sections of this manual are included to provide general and technical i...

Page 48: ...RN TO PREFERRED SOURCE CHANGE PREFERRED SOURCE OVERRIDE LIMITS SOURCE S1 AVAILABLE PREFERED SOURCE IN SYNC ALARM SWITCH 1 SWITCH 2 SOURCE S2 AVAILABLE ON CB4 CB3 CB5 CB1 S1 S2 CB2 LOAD OFF MANUAL CONTROL Synchro 0º A 2A B 1A C 3A 0 KW 1 KVA NORMAL OPERATION PF 0 0 Preferred UPS 1 60 0 HZ A B 503 V B C 501 V C A 507 V UPS 2 60 0 HZ A B 504 V B C 503 V C A 508 V volt ...

Page 49: ...ource S2 Source S2 Meters Voltage Ø s A B B C C A Frequency Hz Current Flow Indication for Source S2 Phase Difference Meter Source S1 Name field programmable Source S1 Meters Voltage Ø s A B B C C A Current Flow Indication for Source S1 V1 480V V2 480V V3 480V Source S2 Name field programmable Preferred Source Indication Load Meters Current ØA B C KVA KW Power Factor PF Visual Audible Alarms acces...

Page 50: ...causing a transfer to the selected source if it is not the active source requires MANUAL CONTROL switch to be in the ON position Lamp Test pushbutton turns on all LEDs on the front panel sounds the audible alarm horn Alarm Silence pushbutton always active silences audible alarm horn Return to Preferred Source pushbutton temporarily enables auto retransfer when retransfer function is switched off r...

Page 51: ...AND OR CB3B GREEN LED LIT WHEN CLOSED SOURCE 1 INPUT C B GREEN LED LIT WHEN CLOSED SOURCE 1 BYPASS C B GREEN LED LIT WHEN CLOSED STATIC SWITCH 1 GREEN LED LIT WHEN SCR1 ON SUMMARY ALARM RED LED SOURCE 2 INPUT C B GREEN LED LIT WHEN CLOSED SOURCE 2 SELECTED AS PREFERRED YELLOW LED SOURCE 1 SELECTED AS PREFERRED YELLOW LED SOURCE 2 BYPASS C B GREEN LED LIT WHEN CLOSED STATIC SWITCH 2 GREEN LED LIT W...

Page 52: ...n Transfer Alarms Status Measurements Setup Maintenance MAIN MENU MANUAL TRANSFERT Transfer without break Transfer with break ALARMS STATUS EVENT LOG STATISTICS CURRENT MEASUREMENTS VOLTAGE MEASUREMENTS FREQUENCYMEASUREMENTS POWER MEASUREMENTS LOAD MEASUREMENTS Maintenance Setup SETUP LANGUAGE ADJUST DATE AND TIME CONTRAST BUZZER VOLUME SOURCE NAMES NEW PASSWORD PERSONALIZATION DRY CONTACT SETTING...

Page 53: ...ervoltage threshold 10 5 to 20 1 steps Undervoltage threshold 10 5 to 20 1 steps Nominal Frequency both sources 60 Hz 50 or 60 Hz Over frequency threshold 5 1 to 10 0 5 steps Under frequency threshold 5 1 to 10 0 5 steps Phase error tolerance between sources 15 1 to 45 1 steps Retransfer Automatic YES Manual NO return to preferred source after transfer For additional customization of your Epsilon ...

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Page 55: ...ubject product The warranty stated herein includes parts and labor however MGE will not be liable for any labor subcontracted or performed by Purchaser for preparation of the warranted item for return to MGE s factory or for preparation work for field repair or replacement and MGE will not be responsible to pay any invoice therefore This warranty shall be exclusive of any and all other warranties ...

Page 56: ...th the UPS User Information Last name ________________________________________ First name ________________________________________ Company name ________________________________________ Address ________________________________________ Zip code ________________________________________ City ________________________________________ State Province ________________________________________ Country ______...

Page 57: ...00 438 7373 Hours 24 7 Customer FAQ or International calls 1 714 557 1636 Commitment MGE UPS SYSTEMS INC is committed to providing easy to access factory trained experts that will provide responses to any questions that you might have Scheduling Field Service Engineer Support Scheduling of the MGE Field Service Engineers typically should be done 7 to 10 days before they are required on site If the...

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Page 59: ...tional Standard Institute AWG American Wire Gauge Breaker Electrical circuit interrupter BTU or Btu British thermal unit Defined as the amount of heat required to raise the tempera ture of one pound of water by 1 F BYPASS See Static Transfer switch BYPASS mode See off line mode Carrier The company or individual responsible for delivering goods from one location to another C Common CB Circuit break...

Page 60: ... measurement unit 1Hz is one cycle per second Inverter mode See on line mode I Current IEC International Electrotechnical Commission IEEE Institute of Electrical and Electronic Engineers Input branch circuit The input circuit from the building power panel to the equipment Inverter An electrical circuit that generates an AC voltage source from a DC voltage source IGBT Insulated gate bipolar transis...

Page 61: ...article while it is in transit SPDT Single Pole Double Throw Static Transfer An solid state switching mechanism electronically controlled to pass AC power direct ly from the utility to an output load Technician Refers to an electronic technician qualified to maintain and repair electronic equip ment Not necessarily qualified to install electrical wiring Test connector DB 9 type connector on the LC...

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Page 63: ...______________________________________________________________________________ COMPANY ___________________________________________________________________________________ STREET ADDRESS ____________________________________________________________________________ CITY ________________________________________ STATE __________________ ZIP ___________________ I would like to order______ quantity 75 00...

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Page 66: ...142 Fax 714 557 9788 email info mgeups com www mgeups com Canada MGE UPS SYSTEMS 9 2789ThamesgateDrive Mississauga ONL4T4E8 Tel 905 672 0990 877 672 0990 Fax 905 672 7667 email info mgeups com www mgeups com Latin America and Other International MGE UPS SYSTEMS 1660 Scenic Ave Costa Mesa CA 92626 Tel 714 513 7831 800 523 0142 ext 7831 Fax 714 434 0199 email info mgeups com www mgeups com ...

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