Page 2 - IMPORTANT SAFETY INSTRUCTION; NOTE
IMPORTANT SAFETY INSTRUCTION SAVE THESE INSTRUCTIONS — This manual contains impor tant instructions for the EPS6000 series UPS Systems that must be followed during installation, operation andmaintenance of the equipment. T h i s e q u i p m e n t g e n e r a t e s , u s e s , a n d c a n r a d i a t...
Page 4 - Shared Systems
Warranty Seller warrants to the Ultimate Purchaser (the purchaser who buys for use, and not for resale) that all products furnished under this order and which are manufactured by Seller will conform to final specifications, drawings, samplesand other written descriptions approved in writing by Selle...
Page 5 - iii; Contents
Section I Introduction 1.0 . . . . . . . . . . . . . . . Scope 1 — 1 1.1 . . . . . . . . . . . . . . . General Description 1 — 1 1.2 . . . . . . . . . . . . . . . Description of UPS Module Major Internal Components 1 — 4 1.2.1 Rectifier/Battery Charger 1 — 4 1.2.2 Inver ter 1 — 4 1.2.3 Inver ter Tra...
Page 6 - iv; EPS 6000 UPS Shared Systems
section description page number 2.4 . . . . . . . . . . . . . . . Normal Operating Procedures 2 — 29 2.4.1 Checks Before Star t-up 2 — 29 2.4.2 Star t-up 2 — 30 2.4.3 Checks After Star t-up 2 — 31 2.4.4 Shut-down 2 — 32 2.4.4.1 Emergency Shutdown Using EPO 2 — 32 2.4.4.2 Normal Shutdown 2 — 33 2.4.5...
Page 7 - Illustrations; User’s guide
Illustrations figure description page number 1-1 . . . . . . . . . . . . . . . Pictorial, Typical EPS 6000 UPS Shared Installation (Shown With Two 375 kVA UPS Modules) 1 — 3 1-2 . . . . . . . . . . . . . . . Single-Line Diagram, Typical EPS 6000 UPS Shared Installation 1 — 3 1-3 . . . . . . . . . . ...
Page 9 - Tables; vii
Tables table description page number 1-1 . . . . . . . . . . . . . . . EPS 6000 Model Numbers, Shared System UPS Modules 1 — 2 1-2 . . . . . . . . . . . . . . . EPS 6000 Model Numbers, Static Switch Cabinets (SSC) 1 — 2 vii Contents User’s guide
Page 10 - viii
This manual is designed for ease of use and easy locationof information. To quickly find the meaning of terms used within the text, look in the Glossary. This manual uses Noteboxes to convey impor tant information. Noteboxes come in fourvarieties: A WA R N I N G n o t e b o x i n d i c a t e s i n f...
Page 11 - G e n e r a l D e s c r i p t i o n; Introduction
This manual provides technical information required foroperation and maintenance of the shared EPS 6000 uninterruptible power system (UPS). Please read this manual before operating the EPS 6000equipment. Please retain this manual for future reference. The manual is divided into three sections: Secti...
Page 12 - E P S 6 0 0 0 M o d e l N u m b e r s , S h a r e d S y s t e m U P S M o d u l e s; Table; E P S 6 0 0 0 M o d e l N u m b e r s , S t a t i c S w i t c h C a b i n e t s ( S S C )
• EPS 6000 battery cabinet Each of these cabinets is described below. Figure 1-1 shows a typical shared UPS installation, consisting of one static switch cabinet (SSC), two UPS modules, and two adjacentbattery cabinets. Figure 1-2 shows a single-line diagram of the same shared UPS installation. Tabl...
Page 13 - P i c t o r i a l , T y p i c a l E P S 6 0 0 0 U P S S h a r e d I n s t a l l a t i o n; Figure; S i n g l e - L i n e D i a g r a m , T y p i c a l E P S 6 0 0 0 U P S S h a r e d I n s t a l l a t i o n
Figure P i c t o r i a l , T y p i c a l E P S 6 0 0 0 U P S S h a r e d I n s t a l l a t i o n 1-1 ( S h o w n W i t h T w o 3 7 5 k VA U P S M o d u l e s ) Figure S i n g l e - L i n e D i a g r a m , T y p i c a l E P S 6 0 0 0 U P S S h a r e d I n s t a l l a t i o n 1-2 TOATTACHED LOAD MAIN ...
Page 15 - E P S 6 0 0 0 M a j o r I n t e r n a l C o m p o n e n t s ,; D e s c r i p t i o n o f S S C
The static switch cabinet (SSC) provides an electrical pathbetween the output of the UPS modules and the load.When the UPS modules are off, the SSC provides power tothe load from the bypass AC input source (mains 2). Up tosix (6) modules can be connected to the SSC, suppor tingloads as great as 1,50...
Page 21 - F i g u r e
F i g u r e E P S 6 0 0 0 M a j o r I n t e r n a l C o m p o n e n t s , 1-9 S h a r e d 7 5 0 k VA U P S C a b i n e t 3 FRONT VIEW, DOORS AND COVERS REMOVED TOP VIEW, COVER REMOVED INVERTERS (x6) AC OUTPUTCAPACITOR ASSY ALBZ DOUZ RAUZ PCA DC CAPACITORS (BEHIND EACH INVERTER) OBEZ PCA IBEZ PCA FAN...
Page 23 - E l e c t r i c a l
This section describes options available for the EPS 6000UPS. Some configurations do not suppor t some options. Most options must be specified at the time of equipment order; some options can be installedin the field. Contact your MGE dealer for complete information. Additional battery cabinets Up t...
Page 24 - M e ch a n i c a l
AC output ratings Voltage: 480 VAC ± 0.5% (steady-state conditions)480 VAC ± 5% (transient conditions from 0% to 100% or 100% to 0%) Frequency: 60 Hz ± 0.1% (free-running) Phases: 3 Ø (phase sequence must be A, B, C) Wires: 4 wires plus ground Current: Power factor: 0.8 lagging Total harmonic distor...
Page 27 - P o w e r F l o w , N o r m a l O p e r a t i o n; S t a t i c S w i t ch; Operation
This section presents operating information for EPS 6000UPS shared systems, including an overview of the system, its components, and their function; a description of the indicators and controls and theirfunction; and operational sequences to be followed for all conditions of normal, emergency,and ma...
Page 28 - P o w e r F l o w , O n - B a t t e r y O p e r a t i o n; O n - B a t t e r y O p e r a t i o n; N o r m a l O p e r a t i o n
During normal operation (as shown in Figure 2-1), powerflows from the main AC input source (mains 1) into the UPS rectifier/battery charger sections. The rectifier/battery chargers conver t the AC voltage to DC,maintain the charge on the batteries, and feed the DC power to the inver ters. The inver ...
Page 29 - P o w e r F l o w , B y p a s s O p e r a t i o n; F ro n t Pa n e l
Figure P o w e r F l o w , B y p a s s O p e r a t i o n 2-3 Indicators and controls are located in three places on theUPS module: on the front panel, behind a drop-down coverjust below the front panel, and inside the enclosure doors,as shown in Figure 2-4. In battery cabinets and auxiliary cabinets...
Page 30 - E P S 6 0 0 0 C o n t r o l s a n d I n d i c a t o r s; E P S 6 0 0 0 F r o n t P a n e l
Figure E P S 6 0 0 0 C o n t r o l s a n d I n d i c a t o r s 2-4 Figure E P S 6 0 0 0 F r o n t P a n e l 2-5 Note: The SSC does not include inver ter on or inver ter off pushbuttons #6 and #7, or the battery operation LED #4. Circuit breakers and switches behind cabinet door Front panel Hidden pa...
Page 31 - CAUTION
Emergency power off (EPO) On the left side of the front panel, an emergency power off (EPO) pushbutton isprovided, with a protective cover to guard against inadver tent operation. Thispushbutton, when activated on a UPS module, disconnects the main AC input(mains 1), and battery power to the module,...
Page 33 - A l p h a n u m e r i c D i s p l a y a n d C o n t r o l s; LCD; LOAD IS PROTECTED
Pushbuttons Following are brief descriptions of the function of the alphanumeric displaypushbuttons. Figure A l p h a n u m e r i c D i s p l a y a n d C o n t r o l s 2-6 ø Settings pushbutton This pushbutton is used to select the display language and adjust the LCD screencontrast for optimal viewi...
Page 35 - H i d d e n P a n e l; H i dd e n Pa n e l
Numbered lights The green light indicates the UPS module or SSC with which the display iscurrently communicating. A red light indicates that the corresponding UPS module or SSC has an anomaly or is not communicating with the display. Light #1 refers to the SSC; the UPS modules are numbered sequentia...
Page 38 - H i d d e n P a n e l P u s h b u t t o n s
Figure H i d d e n P a n e l P u s h b u t t o n s 2-8 Battery charge cycle (pushbutton #1) (applies to UPS module only) Pressing this pushbutton begins a battery charging cycle. After the cycle iscomplete, the rectifier/battery charger returns to float charge levels on the battery.The battery charg...
Page 39 - C i rc u i t B r e a k e rs ,
Forced bypass to inverter (pushbutton #4) (applies to SSC only) Pressing and holding the “security key” while pressing this pushbutton forces thetransfer of the load to the inver ter output when the bypass is out of tolerance.Enough UPS modules must have been star ted; press the “inver ter on” pushb...
Page 40 - T y p i c a l E P S 6 0 0 0 U P S S h a r e d I n s t a l l a t i o n
attached load. Figure S i n g l e - L i n e D i a g r a m , 2-9 T y p i c a l E P S 6 0 0 0 U P S S h a r e d I n s t a l l a t i o n TOATTACHED LOAD MAIN AC INPUT/ MAINS 1 QF1 OUTPUT FUSES EPS 6000 UPS MODULE EPS 6000BATTERY K3N Q1 INVERTER RECTIFIER/ CHARGER INPUT FUSES Q5N STATIC SWITCH QF1 OUTPU...
Page 49 - A l p h a n u m e r i c D i s p l a y; U s i n g t h e
This section describes operation and use of the alphanu-meric display in detail. The alphanumeric display interacts with the user via the tophalf of the hidden panel (Figure 2-4). Figure 2-18 showsthe general organization of the alphanumeric display. During normal operation, when there are no alarm ...
Page 50 - G e n e r a l D i s p l a y C o n f i g u r a t i o n; D i s p l a y S e t t i n g s D i s p l a y; S e t t i n g s
Figure G e n e r a l D i s p l a y C o n f i g u r a t i o n 2-19 The settings selection screens allow the user to configure the display language and set the contrast of the LCD display. To access the settings selection screen, press the settings pushbutton, and follow the steps asindicated in Figur...
Page 51 - D i s p l a y i n g A l a r m M e s s a g e s; A l a r m s
In the event of an alarm condition, the general statusscreen shows an alarm message. To determine the specific condition causing the alarm, press the alarm key on the front panel, as shown in Figure 2-21. If there is a flashing exclamation mark (!) in the displayed message, there is additionalinform...
Page 52 - Vo l t a g e M e a s u r e m e n t s; Vo l t ag e
The LCD can display comprehensive information aboutUPS performance through its monitoring functions. To display voltage measurements, press the “V” key on thekeyboard, as shown in Figure 2-22. Figure Vo l t a g e M e a s u r e m e n t s 2-22 Select voltage measurements by pressing the ◊ pushbutton I...
Page 53 - C u r r e n t M e a s u r e m e n t s
To display current measurements, press the “A” key on thekeyboard, as shown in Figure 2-23. Figure C u r r e n t M e a s u r e m e n t s 2-23 Select current measurements by pressing the Å pushbutton INPUT I1 I2 I3A RMS BYPASS I1 I2 I3A RMS I LOAD / IN= Å Å Å Å Å Å Å INV. I1 I2 I3A RMS LOAD I1 I2 I3A...
Page 54 - P o w e r a n d F r e q u e n c y M e a s u r e m e n t s; Pow e r a n d
To display power or frequency measurements, press the“W.Hz” key on the keyboard, as shown in Figure 2-24. Figure P o w e r a n d F r e q u e n c y M e a s u r e m e n t s 2-24 Select power and frequency measurements by pressing the „ pushbutton. FREQ. INP. BYP. INV.HZ LOAD P1 P2 P3KW P. TOTAL P.KW P...
Page 55 - B a t t e r y M e a s u r e m e n t s; C h e ck s B e fo r e
To display battery voltage, current, ambient temperature,and time available or remaining, press the battery key onthe keyboard, as shown in Figure 2-25. Figure B a t t e r y M e a s u r e m e n t s 2-25 This section presents normal operating procedures for theEPS 6000 UPS. It is best to contact MGE ...
Page 57 - C h e ck s A f t e r
d. Star t the UPS modules: 1. For each module, close the input isolation circuit breaker Q1. Verify thatthe following conditions exist: • The red “load not protected” LED is on • The rectifier/battery charger automatically star ts If either condition is not present, there is a fault. Open Q1 and con...
Page 59 - IMPORTANT
To shut down an individual UPS module, press the “inver teroff ” pushbutton on the module front panel for 3 seconds. To restar t, press the “inver ter on” pushbutton. Note that the transfer will occur only if the inver ter issynchronized to the bypass; otherwise, a forced transfer is needed (see Sec...
Page 62 - U n i n t e r r u p t e d
The whole UPS system is now isolated for maintenance. For complete protection, Q4S or the upstream circuit breaker supplying Q4S should be locked open and tagged while the UPS is being serviced. To restar t the UPS system after maintenance: 1. Close the upstream bypass circuit breaker Q4S. After abo...
Page 64 - LOW LEVEL ALARM
General alarms LOW LEVEL ALARM UPS OK ! This message indicates that a problem requiring action has occurred. The load is still suppliedby the inver ter. The problem is listed in the secondary alarm message (see below), asindicated by the flashing exclamation mark (!). The alarm message may be viewed...
Page 68 - INDEPENDENT INVERTER
Q5N UPS OUTPUT ISOL. SWITCH OPEN ! On a UPS module, this message indicates that the UPS module isolation circuit breaker Q5Nis open, making it impossible for that module to supply the load. On the SSC, this messagesignals that the system isolation circuit breaker Q5N in the MBC is open, and the load...
Page 71 - P r ev e n t i v e; Maintenance and Service
This section describes maintenance of the EPS 6000 UPS,including safety instructions, preventive maintenance,descriptions of replacement par ts kits, and service. IMPORTANT SAFETY INSTRUCTIONS FOR SERVICING BATTERIES A. Servicing of batteries should be performed or supervised by personnel knowledgea...
Page 72 - R e p l a c e m e n t Pa r t s
a. Isolate and de-energize all EPS 6000 UPS equipment for all maintenance operations. b. Ensure that all equipment is clean and free of loose dust, dir t, and debris. Theexterior of all enclosures may be cleaned with a mild solution of soap and water,lightly applied with a lint-free cloth. c. Inspec...
Page 73 - Tro u bl e s h o o t i n g
Should you encounter a problem in the operation of a UPS module and need MGE UPS Systems, Inc. to service your product, please take into account the following recommendations. To the extent that you feel comfor table with the unit, leave it in its current state, make a recordof the display lights an...
Page 75 - Glossary
Symbols ¶ Used to reference paragraph headings that are listed in the table ofcontents. / Used to represent “and/or.” % Percent; of each hundred. ° F. Degrees Fahrenheit. ° C Degrees Celsius. @ At. ± Plus or minus. # Number. Ø Phase. Ω Ohms. 2nd Second. A, B, C Normal sequence of phases (clockwise) ...
Page 81 - Reorder form; 6 6 0 S c e n i c Ave nu e; ommissions, or other problems you have experienced.; U s e t h i s fo r m
Reorder form 1 6 6 0 S c e n i c Ave nu e C o s t a M e s a , C A 9 2 6 2 6 to order additional copies of this document, or to report any errors, ommissions, or other problems you have experienced. NAME ______________________________________________________________________ COMPANY __________________...
