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Galaxy PW™ 100 to 225 kV A User’ s Manual www.mgeups.com.
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Galaxy PW™ User ’ s Manual For service call 1-800-438-7373 86-133060-00 X1 08/02 Copyright © 2002 MGE UPS Systems, Inc.. All rights reserved. Printed in U.
ii Chapter name Galaxy PW 100 to 225 kV A User ’ s Manual This page intentionally left blank.
iii Important Safety Instructions IMPORT ANT SAFETY INSTRUCTIONS SA VE THESE INSTRUCTIONS — This manual contains important instructions for EPS 6000 inverters that must be followed during installation, operation and maintenance of the equipment.
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v Warranty Galaxy PW™ User ’ s Manual W arranty Seller warrants to the Ultimate Purchaser (the purchaser who buys for use, and not for resale) that all products furnished under this order and whic.
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1 Contents contents safety instructions ......................................................................................................iii warranty ................................................................................................
2 How to Use this Manual This manual is designed for ease of use and easy location of information. T o quickly find the meaning of terms used within the text, look in the Glossary .
3 introduction Introduction general characteristics of Galaxy PW™ UPS UPS power rating in kV A 100 130 150 180 200 225 Normal AC input number of conductors 3 phases rated voltage and tolerances 480 V ± 10% (adjustable to ± 15%) rated frequency and tolerances 60 Hz / ± 10% THDI < 14% < 1 1% < 10% < 8% < 7.
4 system description (see figure 1) ■ a rectifier/charger module (A) converts 3-phase AC power from the normal AC source supply (1) into DC power for the normal inverter input and float charges or r.
5 different types of Galaxy PW™ systems single-UPS unit Fig. 2 parallel UPS system See figure 3 showing two parallel-connect- ed (redundant) UPS units. Fig. 3 When increased power is required (two to four parallel units), an external bypass must be added (see figure 4).
6 Introduction operation in on-line mode normal operation Normal AC source power is available (see figure 5). ■ lights 1 , 4 and 5 shine green on the control panel; ■ the power necessary for the l.
7 Introduction operation with the normal AC source restored See figure 7. When normal AC source power (1) is restored or its voltage returns to within specified tolerances, the system automati- cally returns to its normal operating mode described above (on the condition it did not reach the end of battery power).
8 Introduction inverter shutdown or overload See figure 9 for devices or installations operating in on-line mode with a bypass AC source. Fig. 9 single-UPS unit (on-line mode) ■ in the event of a UPS shutdown (initiat- ed by the user or by an internal protective device), the load is automatically trans- ferred to the bypass AC source.
9 Introduction operation with an engine generator set See figure 1 1 below . If a stand-by generator is included in the installation, it is generally started automati- cally in the event of a normal AC source failure and connected to the main low volt- age switchboard.
10 Description of Galaxy PW TM Cabinets Description of Galaxy PW™ Cabinets UPS cabinet See figure 12 for the layout of the various cabinet components.
11 Control Panel general The control panel on Galaxy PW™ UPSs comprises the basic controls and indica- tions required to check the general status of the system (see figure 14). Located in the upper right part of the cabi- net front, the control panel is designed to provide an easy and rapid overview of system status (see figure 14).
12 "Load" light 5 ■ light off: load not supplied; ■ light shines green: load supplied via the inverter or the bypass AC source (via the static bypass). Buzzer 6 The buzzer sounds in the following situa- tions: ■ load supplied by the bypass AC source; ■ load on battery; ■ operating problems.
13 system start-up single-UPS unit or redundant parallel UPS See figure 15. Proceed in the following order: ■ close the upstream switches supplying normal and bypass AC source power (on the L V switchboard); ■ close normal AC input switch Q1.
14 shutdown of the inverter ■ press the "inverter OFF" button 8 on the control panel for three seconds (see figure 19). single-UPS unit ■ the green "inverter" light 4 on the co.
15 control-panel display general organization The display is structured around primary and secondary messages, measuring tables and setting screens. As a rule, the message displayed on the screen is always a primary one. The secondary messages, if any , are accessed by press- ing keys 9 ▼ and 10 ▼ (see figure 16).
16 list of primary messages LOAD PROTECTED ON-LINE MODE This is the normal display when there are no alarms or problems and the load is cor- rectly supplied by the inverter , in on-line mode.
17 list of secondary messages LOAD ON MAINS 2 The load has been transferred to the bypass AC source (M2) and is no longer protected (only in on-line mode).
18 BYP ASS SWITCH Q3BP IS CLOSED Maintenance bypass switch Q3BP is closed. The system is in maintenance configuration and the load is supplied by the bypass AC source. ST A TIC SWITCH (M2) OFF DUE TO AN OVERLOAD The load is no longer supplied by the bypass AC source (M2), due to an extend- ed overload.
19 measurement system The display may be used to read a num- ber of input and output measurements made at different points in the system. See figure 18 .
20 battery measurements These measurements may be accessed by pressing the "battery" key 18 . The following data is displayed. selections and settings These selections and settings may be accessed by pressing the "contrast" key 12 .
21 ■ inverse video: When this function is selected, the text and background colours are reversed (white text on black or black text on white). ■ past events: See section "logging and time-stamping". ■ battery test: ❏ the screen opposite is displayed when a battery test is requested.
22 general The auto diagnostic system considers any system status other than normal as a problem. Before taking any action , note down the messages displayed on the control panel. Certain problems may prevent the control panel from functioning. In this case, it is strongly recommend- ed to call the MGE UPS SYSTEMS after- sales support department.
23 environment information T erminals XR2, XR3, XR4 and XR5 on the "Media Contacts 1 1" board of each type of unit can be used to receive signals from the operating environment and to transmit signals concerning the operating status of the UPS (see figure 16 for the position of the board, item 12).
24 presentation of event time-stamping by Galaxy PW™ T ime-stamping of events by Galaxy PW™ makes it possible to: ■ log the events; ■ consult the last 500 events that occurred on the Galaxy PW.
25 That is the only means to leave the func- tion. If no modifications to values are con- firmed, exiting the function corresponds to cancelling the request. consulting logged (time- stamped) events When the P AST EVENTS command is selected, the system displays a screen indicating the last event logged.
26 ■ total time with Tbatt > 25° C (h): this is the total time of operation with the bat- tery temperature greater than 25° C since initial startup of the UPS.
27 The battery capacity is the value mea- sured by the UPS microprocessor . It is expressed in Ampere-hours. This value changes over time depending on the para- meters of the battery itself and its environ- ment. This measurement is used to check that the battery is capable of supplying the rated power in the event of a mains out- age.
28 maintenance configuration single-UPS unit See figure 19. During maintenance, the UPS must be isolated from the normal and bypass AC source, the battery and the load.
29 parallel UPS redundant and for increased output See figure 22. ■ isolate all UPSs Proceed in the following order (see figure 23): ❏ shut down the inverters (press the "inverter OFF" b.
30 battery maintenance Consult the instructions supplied by the battery manufacturer . Below are a few general indications: ■ sealed lead-acid batteries: these bat- teries require no maintenance, bu.
31 Galvanic isolation and voltage matching transformers The UPS can be equipped with an isola- tion or auto transformer on both the input and output to provide galvanic isolation or voltage step-up or step-down as required.
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33 Reorder form to order additional copies of this document, or to report any errors, omissions, or other problems you have experienced. NAME COMP ANY STREET ADDRESS CITY ___________________________________ ST A TE ___________ ZIP ______________ I would like to order ________ (quantity @ $50.
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1660 Scenic Avenue, Costa Mesa, California 92626 • (714) 557-1636 www.mgeups.com.
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