Toshiba G8000 manual

© Copyright 2007 T oshiba International Corporation All rights reserved. Document: 57056-002 November 2007 UNINTERRUPTIBLE POWER SYSTEM (UPS) G8000 SERIES INST ALLA TION and OPERA TION MANUAL[...]

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G8000 Series Installation and Operation Manual UNINTERRUPTIBLE POWER SYSTEM (UPS) © Copyright 2007 T oshiba International Corporation All rights reserved. G8000 SERIES INST ALLA TION and OPERA TION MANUAL Document: 57056-002 November 2007[...]

G8000 Series Installation and Operation Manual The T oshiba products listed in this document are intended for usage in general electronics applications (computer , personal equipment, ofce equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These T oshiba products are neither intended nor warranted for usage in equip[...]

G8000 Series Installation and Operation Manual UNINTERRUPTIBLE POWER SYSTEM (UPS) Please complete the following information and retain for your records. Unless otherwise specied, the warranty period for the UPS or UPS part is 12 months from the shipment date (see T oshiba International Corporation bill of lading). Unless otherwise specied, th[...]

G8000 Series Installation and Operation Manual Purpose This manual provides information on how to safely install and operate your T oshiba International Corporation power electronics product. This manual includes a section of general safety instructions that describes the warning labels and symbols that are used throughout the manual. Read the manu[...]

i G8000 Series Installation and Operation Manual T able of Contents 1 Introduction .......................................................................................................................... 1 2 General Safety Instructions ................................................................................................2 2.1 Symbols ..[...]

ii G8000 Series Installation and Operation Manual 1 1.3 Grounding Wire .......................................................................................................... 3 6 1 1.4 Control Wires .............................................................................................................. 3 8 1 1.5 Grounding Conguration ..[...]

1 G8000 Series Installation and Operation Manual 1 Introduction This manual provides information on how to safely operate your G8000 Series Uninterruptible Power System (UPS). This manual includes a section of general safety instructions that describes the warning labels and symbols that are used throughout the manual. Read the manual completely be[...]

2 G8000 Series Installation and Operation Manual 2 General Safety Instructions DO NOT attempt to transport, install, operate, maintain or dispose of this equipment until you have read and understood all of the product safety information provided in this manual. 2.1 Symbols The symbols listed below are used throughout this manual. When symbols are u[...]

3 G8000 Series Installation and Operation Manual 2.2 Signal Words The signal words listed below are used throughout this manual. When the words DANGER, W ARNING, CAUTION and A TTENTION are used in this manual they will include important safety information that must be carefully followed. 2.3 Qualied Personnel Installation, operation, and mainten[...]

4 G8000 Series Installation and Operation Manual Be trained in rendering rst aid. For further information on workplace safety visit www .osha.gov . 2.4 Factory Authorized Personnel Factory authorized personnel have been factory trained and certied to install, service, and repair the UPS. Contact the T oshiba Customer Support Center for assist[...]

5 G8000 Series Installation and Operation Manual 4 Safety Precautions The T oshiba products listed in this document are intended for usage in general electronics applications (computer , personal equipment, ofce equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These T oshiba products are neither intended nor warra[...]

6 G8000 Series Installation and Operation Manual 4.3 T ransporting/Unpacking W ARNING When transporting the UPS by crane, follow the SPECIFIED WORK PROCEDURE. The suspension wire angle should be less than 60°. The UPS falling or overturning may cause crushing, trapping or other personal injuries. See Installation Manual: Chapter 8 - T ransporting [...]

7 G8000 Series Installation and Operation Manual CAUTION DO NOT transport, move, store, or place the UPS on its side. Forces due to heavy components inside may damage the UPS. A void vibration or shock exceeding 0.5G. Failing to observe this precaution may cause damage to the UPS. DO NOT allow the UPS to suffer shock or impact when unpacking. T ool[...]

8 G8000 Series Installation and Operation Manual 4.4 Inspection/Storage Inspection Upon receipt of the UPS, an inspection for shipping damage should be performed. Use caution when removing the unit from the pallet. Refer to labels or documentation attached to packing material. Unpacking Check the unit for loose, broken, bent or otherwise damaged pa[...]

9 G8000 Series Installation and Operation Manual CAUTION Install the UPS in a controlled environment. Improper storage and installation environment may deteriorate insulation, shorten component life and cause malfunctions. See T able 5.1 - UPS Installation Environment Standards DO NOT tilt the UPS more than 10° from upright position. T ilting the [...]

10 G8000 Series Installation and Operation Manual DO NOT block air vents. Blocking the vents will increase the internal temperatures and may result in UPS failure or re. DO NOT install the UPS where water may fall on it. W ater may cause electrical shock, personal injury or UPS failure. DO NOT use oor wax that contains silicon in the UPS stor[...]

1 1 G8000 Series Installation and Operation Manual T ABLE 5.1 - UPS INST ALLA TION ENVIRONMENT ST ANDARDS Item Environment standard Installation Location Indoors Ambient T emperature Minimum operating temperature: 32 °F ( 0 ° C) Maximum operating temperature: 104 °F ( 40 ° C) (UPS only) Maximum operating temperature: 95 °F (35 ° C) (UPS with [...]

12 G8000 Series Installation and Operation Manual and/or powered from a different source than that of the installed equipment. 8) The user should provide over-current protection for hardwired UPS systems between the UPS output and the load input. 9) After ensuring that all power sources are turned “OFF” and isolated in accordance with establish[...]

13 G8000 Series Installation and Operation Manual 5.1 Wiring/Connection W ARNING Perform wiring and connections with correct polarity . Be careful when connecting the UPS to the battery system. A wrong connection may cause damage to the UPS, battery , or charger . Connect ONL Y one (1) ground wire to the earth ground terminal. A missing ground wire[...]

14 G8000 Series Installation and Operation Manual 6 W arning Labels Below are representative warning labels and their location on the UPS. Exterior Handling labels shown in section 4.3, T ransporting/Unpacking, are in the manual packet, and attached to the UPS shipping covering and shipping pallet. A TTENTION Make sure all the warning labels are in[...]

15 G8000 Series Installation and Operation Manual 6.1 W arning Label Locations D ANG ER Ha zard o us v oltage s a re use d in th e ope ratio n of thi s eq ui p men t a n d c oul d cause s e vere pers ona l in j ury or loss o f l if e. T he fol lo wing p rec a u t i o n s sh ou l d b e obse rved t o red uc e th e risk of inj ury o r dea th. HAZ AR D[...]

16 G8000 Series Installation and Operation Manual FIGURE 6.3 – 150/225 KV A UPS W ARNING LABELS FIGURE 6.4 - 300 KV A UPS W ARNING LABELS[...]

17 G8000 Series Installation and Operation Manual 7 W eight and Dimensions T able 7.1 lists the unit and shipping weight(s) for G8000 UPS models illustrated in Figure(s) 7.1 – 7.3. T ABLE 7.1 G8000 UPS UNIT AND SHIPPING WEIGHT(S) Model Unit Shipping 100 kV A 1800 lb (816kg) 1850 lb (840 kg) 150 kV A 2600 lb (1 180kg) 2689 lb (1220 kg) 225 kV A 33[...]

18 G8000 Series Installation and Operation Manual FIGURE 7.2 - 150/225 KV A UPS EXTERIOR DIMENSIONS (INCHES) FIGURE 7.3 – 300 KV A UPS EXTERIOR DIMENSIONS (INCHES) TERMINAL BLOCKS GROUND BUS “8A” SWITCH TERMINAL BLOCKS “8A” SWITCH GROUND BUS[...]

19 G8000 Series Installation and Operation Manual 8 T ransporting The UPS may be packed in a crate for extra protection during transportation. Avoid impact or vibration against the UPS during transportation. DO NOT expose the UPS directly to water . W ARNING When transporting the UPS by crane, follow the SPECIFIED WORK PROCEDURE. The suspension wir[...]

20 G8000 Series Installation and Operation Manual 8.1 T ransporting By Crane Cables should have sufcient ratings and be of the same length. Make sure the suspension cables are hooked at eyebolts. See Figure 8.1. Keep the angle less than 60° between cables. Refer to Chapter 7 - Weight and Dimension for UPS cabinet weight. Keep UPS leveled when l[...]

21 G8000 Series Installation and Operation Manual 8.2 T ransporting By Forklift Refer to Chapter 7 - Weight and Dimensions. V erify forklift maximum load capacity and ensure that the forks are long enough to properly support the UPS. Insert the forks into the space shown in Figure 8.6. Spaces for the forks are provided underneath the UPS. DO NOT sw[...]

22 G8000 Series Installation and Operation Manual 9 Storage/Operating Environment Observe the following when storing the UPS. Store UPS indoors. Maximum storage time for the UPS between powered operation cycles is three years. If the UPS has been stored for a period exceeding 36 months, contact your factory authorized represnetative of guidance in [...]

23 G8000 Series Installation and Operation Manual W ARNING Whi le oper ating in the inv erter mod e, plac ing the inpu t break er in the “O FF” posit ion will swi tch the UPS to the batt ery back up mod e. The output of the UPS will continue uninterrupted to the load. The unit must be in the bypass mode at the time that the breaker is placed in[...]

24 G8000 Series Installation and Operation Manual 9.2 Maintenance Precautions All internal maintenance sould be performed by factory authorized personnel. 1) T urn of f, lockout, and tagout ALL power sources before connecting the power wiring to the equipment or when performing maintenance. 2) Hardwire type UPS units are not equipped with an over-c[...]

25 G8000 Series Installation and Operation Manual CAUTION DO NOT d isp ose of t he batte rie s in a  re. The batteries may explode. DO NOT o pen or muti lat e the ba tteri es. Released electrolyte is harmful to the eyes and skin and could also be toxic. DANGER A bat tery can prese nt a ris k of elec trica l shoc k and high short cir cuit cur ren[...]

26 G8000 Series Installation and Operation Manual 10 Installation W ARNING Keep the SPECIFIED CLEARANCE around the UPS. Inadequate space around the UPS makes it difcult to perform maintenance/inspections, lead to insufcient ventilation, and/or will cause malfunctions. See Figure 10.1 - UPS Clearance DO NOT tilt the UPS more than 10 ° from up[...]

27 G8000 Series Installation and Operation Manual 10.1 Unpacking Unpack the UPS indoors on a paved oor . The UPS should be as close as possible to its nal storage location. Overhead traveling cranes should be used to unpack any G8000 Series UPS. If an overhead traveling crane is not available, allow enough space for forklift operations to unp[...]

28 G8000 Series Installation and Operation Manual G8000 Series Installation Manual 26 10.3 Anchor Bolts Install the anchor bolts to se cure the UPS on the floor . See Figure 10.2 for anchor bolt instal lation detail. Use 12mm (1/2”) diameter anchor bolts. There are 16mm (5/8 ”) diameter holes provided in the UPS base. See Figure 10.3 for the ho[...]

29 G8000 Series Installation and Operation Manual 1 1 UPS Wiring Note: Always consult your local and NEC electrical codes for wiring, cabling, and circuit protection devices. requirements. Figure 1 1.1 illustrates the external wiring of the G8000 UPS. See corresponding section to each wiring term. • Power cable connection at terminal blocks/buses[...]

30 G8000 Series Installation and Operation Manual 1 1.1 T erminal Blocks and Power Cables Note: Always consult your site specic, local, state, and NEC electrical codes for wiring, cabling, and circuit protection device requirements. The terminal blocks for the 100/150/225 kV A UPS are shown in Figure 1 1.2. The terminal blocks are located inside[...]

31 G8000 Series Installation and Operation Manual T ABLE 1 1.2 RECOMMENDED CABLE SIZE & TIGHTENING TORQUE FOR 150 KV A UPS Block Number Cable Size T ightening T orque 1 A WG 4/0 or larger 275 in-lbs (3.2 kg-m) 2 A WG 4/0 or larger 275 in-lbs (3.2 kg-m) 3 A WG 4/0 or larger 275 in-lbs (3.2 kg-m) 4 A WG 4/0 or larger 275 in-lbs (3.2 kg-m) 5 A WG [...]

32 G8000 Series Installation and Operation Manual Cable knockout plates are provided at the bottom of the 100 kV A UPS, and at the top and bottom of the 150/225 kV A UPS. (Older models of the G8000 150/225 kV A UPS do not come equipped with an upper knockout plate.) The recommended hole locations are illustrated in Figure 1 1.3, 1 1.4, and 1 1.5. T[...]

33 G8000 Series Installation and Operation Manual If your system is equiped with bus strip terminals for the A/C INPUT , BYP ASS INPUT , A/C OUTPUT and BA TTERY connections, T oshiba recommends using the compression lugs listed in T able 1 1.4, or their equivalent, for cable terminations for mounting on the bus strip. FIGURE 1 1.6 - TERMINAL BUS DE[...]

34 G8000 Series Installation and Operation Manual The terminal busses for the 300 kV A UPS are located inside at the top of the unit. See Figure 1 1.6. The dashed line indicates the side view of the bolt holes. Use 1/2 inch bolts to attach the lugs. See T ables 1 1.5 for recommended cable size for the 300 kV A UPS. See T able 1 1.4 and T able 1 1.6[...]

35 G8000 Series Installation and Operation Manual T ABLE 1 1.5 RECOMMENDED CABLE SIZE AND TIGHTENING T ORQUE FOR 300 KV A UPS Bus Number Cable Size T ightening T orque 1 T wo 4/0 A WG or larger 275 in-lbs (3.2 kg-m) 2 T wo 4/0 A WG or larger 275 in-lbs (3.2 kg-m) 3 T wo 4/0 A WG or larger 275 in-lbs (3.2 kg-m) *4 Three 350 MCM or larger 275 in-lbs [...]

36 G8000 Series Installation and Operation Manual 1 1.2 External Breakers The G8000 UPS units are not equipped with circuit breakers. Qualied personnel should provide the external breakers for the AC input/output, bypass input and DC input. See Figure 1 1.1 – External Wiring Diagram, for the circuit position of the breakers. T able 1 1.7 shows[...]

37 G8000 Series Installation and Operation Manual FIGURE 1 1.9 - EARTH GROUND WIRE G8000 - 100 kV A 12 mm or 1/2” T erminal 10 mm or 7/16” Bolt Feed-through opening 2 AWG (38 mm) ground wire T o facility earth ground Ground bus G8000 - 300 kV A Through knockout plate on top (recommended) Alternate ground wire location Note: Use either the top o[...]

38 G8000 Series Installation and Operation Manual 1 1.4 Control Wires The control wires terminal layouts at TB1 (terminal bus 1) are shown below in T able 1 1.8. T ABLE 1 1.8 EXTERNAL CONNECTIONS No. I/O Signal Name Operation 1 Output Low Battery Closed at Low Battery 2 Output Backup Operation Closed during Backup Operation 3 Output Fault Closed if[...]

39 G8000 Series Installation and Operation Manual The UPS battery cabinet and bypass breaker should be wired as shown below in Figure 1 1.8. FIGURE 1 1.10 - CONNECTION BETWEEN UPS, BA TTERY CABINET & BYP ASS BREAKER 10 1 1 12 13 14 15 16 17 18 19 20 21 22 TC TB1 Battery Cabinet Overheat B-Contact Bypass Breaker Ext. EPO (Customer) N.O. Contacts[...]

40 G8000 Series Installation and Operation Manual 1 1.5 Grounding Conguration T h is s ec ti on d es cr ib es t he g r ou nd in g co n gu ra ti on t o b e u se d wi th v ar io us AC s er vi ce e n t r a n ce c on g ur at io ns . Inadequate grounding will cause problems at start-up. Connections for the ground line and the neutral line must [...]

41 G8000 Series Installation and Operation Manual 1 1.5.2 Grounding Conguration (without input neutral) When the input source is wye-connected, the neutral line out to the bypass input should be left open. The UPS is grounded by connecting the neutral terminal to the ground bus with the internal jumper cable. See Figure 1 1.13. The jumper cable [...]

42 G8000 Series Installation and Operation Manual 1 1.5.4 Grounding Conguration (with corner-grounded delta-input) If one phase of delta-input source is grounded (B-phase for example), the ground bus in the UPS cabinet should NOT be connected to the neutral terminal of UPS output. The jumper cable should be removed see Figure 1 1.12 for the jump[...]

43 G8000 Series Installation and Operation Manual 12 UPS Specications 12.1 General Specication T erms Specication Remarks Conforming Standard UL1778-2001 UL, cUL Ambient T emperature 32 – 104 ° F (0 – 40 ° C) Relative Humidity 30% – 90% Non-condensing Altitude < 3,280 ft (< 1,000 m) Contact T oshiba T echnical Support for ins[...]

44 G8000 Series Installation and Operation Manual 12.2 Mechanical Specication (cont.) Rated Capacity 150 kV A 225 kV A 300 kV A Cabinet Protection Conformity IEC298 IP20* Exterior Paint Sherwin Williams, HHT2-7055, 079 Beige T exture Panel Thickness FRONT : 1/16 in. (1.6 mm) BACK/SIDE/TOP: 3/64 in. (1.2 mm) BOTTOM: 1/8 in. (3.2 mm) Input/Output [...]

45 G8000 Series Installation and Operation Manual 12.3 Electrical Specication AC Input Rated Capacity 100 kV A (80 kW) 150 kV A (120 kW) 225 kV A (180kW) 300 kV A (240 kW) Input V oltage 480 V ( +10% to -15% ), 3-Phase 3-Wire Input Frequency 60 Hz ±5% Input Power Factor 0.95 – 1.00 Lagging ( at 100% Load ) Current Harmonic Distortion 4% Maxim[...]

46 G8000 Series Installation and Operation Manual 13 Operator Interface T able 13.1 shows the functions of the operating buttons on the graphic display panel. A TTENTION Press an operating button for at least 0.5 seconds to change UPS modes. Press the reset button for for at least 5 seconds to reset the UPS. The UPS may not respond if the button pr[...]

47 G8000 Series Installation and Operation Manual 13.1 Key-Switch and Buttons The key-switch and operating buttons on the graphic display panel are shown in Figure 13.1. See the sections titled “Key-switch” and “Operating buttons” for each function. FIGURE 13.1 – GRAPHIC DISPLA Y P ANEL KEY -SWITCH/OPERA TING BUTTONS EPO 5 6 10 7 8 4 3 2 [...]

48 G8000 Series Installation and Operation Manual 13.2 LCD/LED Indicators FIGURE 13.2 – GRAPHIC DISPLA Y P ANEL LCD/LED INDICA TORS 23 1 1 21 20 19 18 17 16 15 14 13 22 24 25 12[...]

49 G8000 Series Installation and Operation Manual 13.3 LCD Indicators The operator can scroll through the following LCD display screens using the scroll buttons. T ABLE 13.1 - LCD DISPLA Y SCREENS Name Description Normal Display Displays operational status, operational guidance, and measured data. Fault Display Displays detailed data when a fault o[...]

50 G8000 Series Installation and Operation Manual 13.4 Normal Display The Normal Display screen indicates the UPS operational status and provides various screens: an operation guidance screens, mode screens and measured data screens. T able 13.2 shows these screens page by page and illustrates the UPS Normal Display operational status screens. T AB[...]

51 G8000 Series Installation and Operation Manual T ABLE 13.2 - CONTINUED MEASUREMENT SCREENS O/P CURRENT (PEAK) Shows the peak output current peak (%) for each phase. U 50[%] V 50[%] W 50[%] Peak value of output current x 100 [%] RMS value for rated current x 1.41 AC INPUT Shows the AC Input V oltage (line-to-line) and frequency . AC I/P-V 480[V] [...]

52 G8000 Series Installation and Operation Manual 13.5 Fault Display The Fault Display screen displays the fault records until they are reset. The W arning Display screen displays the warning records until they are reset. The fault records will remain in the memory until the reset button is pressed for at least 5 seconds, even after the actual caus[...]

53 G8000 Series Installation and Operation Manual 13.6 LCD Scroll Scroll through the LCD display screens (see Figure 13.4), in sequence, using the “SCROLL UP” and “SCROLL DOWN” buttons on the graphic display panel. • SCROLL UP - Moves back to the previous screen • SCROLL DOWN - Moves forward to the next screen T ABLE 13.4 DISPLA Y SCREE[...]

54 G8000 Series Installation and Operation Manual 14 Operating the UPS This section describes the basic procedures to operate the UPS. Figure 14.1 shows the location and functions of the operating switches to operate the UPS. FIGURE 14.1 - EPO AND CONTROL POWER SUPPL Y OPERA TING SWITCHES W ARNING If the UPS produces smoke or smells strange, immedi[...]

55 G8000 Series Installation and Operation Manual 14.1 Operation T ypes The operation types are summarized below . T ABLE 14.1 OPERA TION TYPES Operation Description Complete Shutdown T urn off the control power supply . Shut down the UPS completely . Float / Equalize Charge Changing the battery recharge mode between oat charge and equalize char[...]

56 G8000 Series Installation and Operation Manual 14.3 Startup Procedures The procedure to start the UPS is shown in Steps 1-5. STEP 1 T urn on the control power supply switch. (Figure 14.1) and ensure the operation lock is set to OPERA TION. (Figure 13.1 - 1) STEP 2 W ait for a few seconds. STEP 3 Press the “RUN” button for at least 0.5 second[...]

57 G8000 Series Installation and Operation Manual Step 4-5 continues the procedure to start the UPS. STEP 4 T urn on the DC Input Breaker (72B) on the external battery cabinet. BA TTERIES LED is “ON”. STEP 5 *Press the “UPS” button for at least 0.5 seconds.This completes UPS startup procedure BYP ASS LED is “OFF”. UPS LED is “ON”. N[...]

58 G8000 Series Installation and Operation Manual CONVERTER INVERTER UPS AC OUTPUT BA TTERIES BYP ASS INPUT DISCHARGE EQUAL CHARGE FLOA T CHARGE BYP ASS AC INPUT AC SWITCH UPS SUPPL Y AC - V o 480 v AC - Io 50% 14.4 Switch Power Supply (UPS→Bypass) The procedure to transfer between the UPS supply and the bypass supply is shown in Steps 1-3 STEP 1[...]

59 G8000 Series Installation and Operation Manual 14.5 Stop The procedure to stop the UPS is shown in Steps 1-3. STEP 1 T ransfer to Bypass supply as described in Switch Power Supply . UPS LED is “OFF”. BYP ASS LED is “ON”. STEP 2 T urn off the DC Input Breaker (72B) on the external battery cabinet, and, press the G8000 “STOP” button fo[...]

60 G8000 Series Installation and Operation Manual 14.6 Complete Shutdown The procedure to turn off the control power and shut down the UPS completely is shown in Steps 1-6. STEP 1 T ransfer to Bypass supply as described in Switch Power Supply . UPS LED is “OFF”. BYP ASS LED is “ON”. STEP 2 T urn off the DC input breaker , and, press the “[...]

61 G8000 Series Installation and Operation Manual 14.7 Changing Between Float Charge and Equalize Charge The procedure to change the recharge mode between oat charge and equalize charge is shown in Steps 1-3. See the Note below for an explanation of Flaot and Equalize charge modes. STEP 1 Make sure that the FLOA T CHARGE LED is “ON”. STEP 2 [...]

62 G8000 Series Installation and Operation Manual 14.8 Changing to Float Charge from Protection Charge (If applicable) The manual procedure to change from protection charge to oat charge is shown in Step 1-3.This operation applies to batteries after they have experienced over temperature condition. See the Note below for an explanation of oat[...]

63 G8000 Series Installation and Operation Manual 14.9 Emergency Power Off (EPO) Press the EPO switch for immediate shutdown of all power through the UPS. The signal from the EPO is processed as a “hard fault” by the UPS and results in gate-blocks on the transistors and opens all the internal contactors. T o Reset the UPS after triggering the E[...]

64 G8000 Series Installation and Operation Manual 15.2 Faults and W arnings Data Screen This screen appears when a trip error is detected. Up to 10 screens of fault data can be displayed. Figure 15.1 and T able 15.2 show a sample screen and describe the data shown in the screen. F AUL TS & WARNINGS 1 UPS OVERLOAD 09-09-06 08:05:30 ↓ANOTHER IT[...]

65 G8000 Series Installation and Operation Manual 15.3 LCD Fault & W arning Displays When a fault occurs, a screen is shown as in Figure 15.2. When a warning occurs, a screen is shown as in Figure 15.3. Select the desired fault or warning data to be displayed using the scroll buttons. BYP ASS F AUL T STOP F AUL TS & WARNINGS 1 FUSE BLOWN 09[...]

66 G8000 Series Installation and Operation Manual 15.4 Fault Messages Figure 15.4 show the locations for fault detection. T ables 15.3 through 15.7 gives details for the fault and warning messages referred to in section “Fault Data Screen.” The “item” code associated with each fault or warning message may be used to determine the physical l[...]

67 G8000 Series Installation and Operation Manual T ABLE 15.5 - W ARNING - 2 (STOP AND REST ART) Item LCD Message Indication Description 27 I AC O/P UV AC output voltage is low . 30U UNIT F AUL T IGBT Stack Failure. 45 DC OV Over-voltage in DC circuit. 49 AC O/P OL Output overload 51 I INV . OC Inverter over-current. 59 I AC O/P OV AC output voltag[...]

68 G8000 Series Installation and Operation Manual 15.5 LCD Scroll (w/ faults or warnings) This section describes how to scroll through the LCD screens when a fault has occurred (when Fault Data screens exist). Figure 15.5 shows the locations of the buttons to scroll the LCD screens. See T able 15.8 for details of the scroll buttons and how they are[...]

69 G8000 Series Installation and Operation Manual 15.6 Restoring UPS Operation The procedure to restore UPS operation is shown in Steps 1-2. The example shows the UPS restored after a trip fault occurred on inverter over current with the message “INV . OC.” STEP 1 Check the LCD screen. Also check other fault data screens with scroll buttons gra[...]

70 G8000 Series Installation and Operation Manual[...]

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