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ABB GPS4827 User Manual

ABB GPS4827 User Manual

Infinity power system
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PRODUCT MANUAL
GPS4827 Infinity Power System
User's Guide
Product Manual
Ordering Code 850022019
Issue 1
January 2012
Page 1
© Copyright 2021 ABB. All rights reserved.

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  • Page 1 PRODUCT MANUAL GPS4827 Infinity Power System User’s Guide Product Manual Ordering Code 850022019 Issue 1 January 2012 Page 1 © Copyright 2021 ABB. All rights reserved.
  • Page 2 Notice: The information, specifications, and procedures in this manual are subject to change without notice. ABB Power assumes no responsibility for any errors that may appear in this document. Page 2 © Copyright 2021 ABB. All rights reserved.

  • Page 3: Table Of Contents

    Local Port ············································································································································ 43 Wiring Alarm Outputs ······················································································································· 43 Wiring Alarm and Control Inputs ···································································································· 46 Fuses ··················································································································································· 50 Front Panel Display ···························································································································· 51 Controller Defaults ···························································································································· 54 Controller Display Menu Maps ········································································································ 61 Page 3 © Copyright 2021 ABB. All rights reserved.
  • Page 4 Requirements ···································································································································· 89 Rectifier Installation and Replacement Procedures ··································································· 89 15. Troubleshooting Procedure ······································································································ 91 Preliminary ········································································································································· 91 Troubleshooting Procedure ············································································································ 92 16. Product Warranty ························································································································· 93 17. Revision ······································································································································· 95 Page 4 © Copyright 2021 ABB. All rights reserved.

  • Page 5: Introduction

    1. Introduction GPS4827 ABB Power developed the Galaxy Power System GPS 4827 to support -48 volt telecommunications powering solutions in worldwide markets. The GPS 4827 combines 50-ampere, fan-cooled, switchmode rectifiers, microprocessor control technologies, battery and load disconnect/reconnect options, and a comprehensive line of fuse and circuit breaker dc distribution options in a modular front-access design.

  • Page 6: Customer Service Contacts

    For customers in the United States, Canada, Puerto Rico, and the US Virgin Islands, please dial 1-877-546-3243 (877 ABB) or for all other countries, please call 1-972-244-9288. This number is staffed from 7:00 am to 5:00 pm USA Central Time Zone (GMT -6), Monday through Friday, on normal business days.

  • Page 7: System Description

    A basic block diagram of the Galaxy Power System 4827 is shown in Figure 2-1. It illustrates the arrangement and interconnection of the system components from the ac input to the dc output. Figure 2-1 Block Diagram of the GPS4827 System Components The power system accepts alternating current from the commercial utility or a standby ac power source and rectifies it to produce dc power for the using equipment.
  • Page 8 Battery Connection Panel: provides connection points for the battery strings through battery disconnect fuses or contactors and current monitoring shunts. Page 8 © Copyright 2021 ABB. All rights reserved.

  • Page 9: Architecture

    The rectifier output buses are interconnected to permit the cabinet to share current and ensure common voltage references for all system rectifiers. The total system ampacities must not exceed 1800A. Figure 2-2 Cabinet schematic Page 9 © Copyright 2021 ABB. All rights reserved.
  • Page 10 Ground To Loads To Loads To Loads Controller Rectifier Rectifier Rectifier Battery Battery Battery Distribution Distribution Distribution Cabinet Cabinet Cabinet Figure 2-3 Schematic of Two-cabinet System Architecture 1800A Maximum per system. Page 10 © Copyright 2021 ABB. All rights reserved.
  • Page 11 AC Panel Circuit Breakers or Terminal strip Miscellaneous DC Distribution Panels Rectifier Shelves 3 , 6, or 9 Figure 2-5 GPS4827 Six shelf cabinet with door removed Page 11 © Copyright 2021 ABB. All rights reserved.
  • Page 12 This page intentionally left blank Page 12 © Copyright 2021 ABB. All rights reserved.

  • Page 13: Galaxy Millennium Ii Controller

    The next two lines show the system voltage and the system load. The last line shows the system mode, which can be one of the following: • FLOAT • BOOST • STC (Slope Thermal Compensation) • BATT TEST Page 13 © Copyright 2021 ABB. All rights reserved.
  • Page 14 + and -: Increase or decrease parameter values. • Lamp test: Tests the controller’s circuit board LEDs and front panel LEDs. It will also test the Indicators of serially connected rectifiers. Page 14 © Copyright 2021 ABB. All rights reserved.
  • Page 15 A rubber flap can be opened to access the local port connector. The DB-9 local port connector supports standard RS232 serial communication. Refer to the Galaxy Millennium II Controller product manual for additional details on port configuration and isolation. Page 15 © Copyright 2021 ABB. All rights reserved.
  • Page 16 GPS 4827. Refer to this manual for information regarding configuration and operation. RPM System Product Manual Refer to the Galaxy Remote Peripheral Monitoring System product manual (Select Code 167-790-063) for additional information regarding module operation. Page 16 © Copyright 2021 ABB. All rights reserved.

  • Page 17: Rectifiers

    The Fail LED is red and is lit if there is a failure in the rectifier. Lamp Test To test the LEDs on the rectifier front panel, press the Lamp Test button on the controller. Page 17 © Copyright 2021 ABB. All rights reserved.
  • Page 18 Rectifiers will continue to power the load if the controller fails or if communication is lost. Controller Communications Alarm When communications between the rectifier and controller are interrupted, the rectifier continues to operate and the red Fail LED on the rectifier blinks. Page 18 © Copyright 2021 ABB. All rights reserved.
  • Page 19 System connections are made when the rectifier is plugged into the shelf. No additional connections are required. “Forced” Load Sharing Internal rectifier circuitry will allow rectifiers to share load in the event communication to the controller is lost or the controller malfunctions. Page 19 © Copyright 2021 ABB. All rights reserved.
  • Page 20 This page intentionally left blank Page 20 © Copyright 2021 ABB. All rights reserved.

  • Page 21: Ac Input Panels

    Note: See AC input table in the Specification section for recommended conduit size, wire size and protector size based on the National Electric Code. Figure 5-1: AC Input terminal strip panel Figure 5-2: AC block. Factory wiring from AC block to rectifier shelf shown. Page 21 © Copyright 2021 ABB. All rights reserved.
  • Page 22 Figure 5-3: AC Input circuit breaker panel CB10 CB11 CB12 Figure 5-3: AC Input circuit breaker panel Page 22 © Copyright 2021 ABB. All rights reserved.

  • Page 23: Battery Connection Panels

    Figure 6-1: H5694827 G39 (ED83143-31 G36) Optional Low Voltage Battery Disconnect/Reconnect LVBD/R panel. LVBD/R panel is equipped with a 2000 amp contactor and 3000 amp shunt to monitor battery charge/discharge current. Page 23 © Copyright 2021 ABB. All rights reserved.
  • Page 24 This page intentionally left blank Page 24 © Copyright 2021 ABB. All rights reserved.

  • Page 25: Dc Distribution Panels

    The dc distribution panels are illustrated in Figures 7-1 through 7-11. Note: DC distribution panels are white; battery connection panels are blue. Figure 7-1: H569-4827 G42 (ED83143-31 G2) DC Distribution Panel Figure 7-2: H569-4827 G43 (ED83143-31 G1) DC Distribution Panel Page 25 © Copyright 2021 ABB. All rights reserved.
  • Page 26 Figure 7-3: H569-4827 G48 (ED83143-31 G5) DC Distribution Panel Figure 7-4: H569-4827 G96 (ED83143-31 G15) DC Distribution Panel Figure 7-5: H569-4827 G52 (ED83143-31 G53) DC Distribution Panel Page 26 © Copyright 2021 ABB. All rights reserved.
  • Page 27 Figure 7-6: H569-4827 G53 (ED83143-31 G55) DC Distribution Panel Figure 7-7: H569-4827 G60/61/65/66 (ED83143-31 G71) DC Distribution Panel Figure 7-8: H569-4827 G67 (ED83143-31 G22) DC Distribution Panel Page 27 © Copyright 2021 ABB. All rights reserved.
  • Page 28 Figure 7-9 H569-4827 G68 (ED83143-31 G21)DC Distribution Panel Alarm/Terminal Card Connects to Charge Return Bus G97: 6" REF (152mm) G98: 9" REF (229mm) Figure 7-10 H569-4827 G97, G98 (ED83143-31 G17) DC Distribution Panel Page 28 © Copyright 2021 ABB. All rights reserved.
  • Page 29 Charge Return Bus 6’” REF (152mm) TPL-C Fuse Head Furnished with Block. Order 408472322 TPL-B Fuse Block Head for 70A - 250A Fuses Figure 7-12 H569-4827 G59 (ED83143-31 G21) DC Distribution Panel Page 29 © Copyright 2021 ABB. All rights reserved.
  • Page 30 This page intentionally left blank Page 30 © Copyright 2021 ABB. All rights reserved.

  • Page 31: External Return Bars

    8. External Return Bars Overview Modular external return bus bar kits are available for the GPS4827 system. These kits are alternatives to the standard internal return buses. These kits allow for modular growth of the bars from bay to bay and offer additional cable landings.
  • Page 32 TBD Standard Bay TBD Wide Bay Modular Distribution Bay Overhead Buses TBD Modular Rectifier Bay Overhead Bus Figure 8-2 Horizontal Rectifier Standard and Wide Distribution Bay bus bar system Page 32 © Copyright 2021 ABB. All rights reserved.
  • Page 33 TBD Modular Distribution Wide Bay Overhead Bus Field Option A Field Option B TBD Rectifier Bay Overhead Bus Figure 8-3 Vertical rectifier standard and wide distribution bay return bus bar systems Page 33 © Copyright 2021 ABB. All rights reserved.
  • Page 34 This page intentionally left blank Page 34 © Copyright 2021 ABB. All rights reserved.

  • Page 35: Millennium Ii Controller Operation

    Be aware of the presence of unfused battery potential in the vicinity of the controller. Use only insulated tools. Make sure the system is properly grounded per the National Electrical Code and local building codes. Remove all metal jewelry before beginning the installation. Page 35 © Copyright 2021 ABB. All rights reserved.
  • Page 36 Jewelers screwdriver (Flat and Phillips) Small needle nose pliers Digital meter, +/- 0.02% Screw Drivers (flat-blade and Phillips) ESD wrist strap Wire-wrap tool or Amp alarm punch-down tool Figure 9-1: Millennium II Page 36 © Copyright 2021 ABB. All rights reserved.

  • Page 37: Controller Connections

    Terminal block interface for RS232/RS485 Auxiliary port and Remote Peripheral Module (RPM) connections Terminal block interface for three additional 10K thermistor probe or 210E connection options USB interface (reserved for future use) Table 9-A: Millennium II Interface Reference Page 37 © Copyright 2021 ABB. All rights reserved.

  • Page 38: Installing Circuit Packs

    Operate the reset switch on the MCR1 board in the lower left corner of the MCR1 board. (see Figure 4-3) The Password Reset button is to the LEFT of the serial port connector, and the NOTE: Controller Reset is to the right of the serial connector. Page 38 © Copyright 2021 ABB. All rights reserved.
  • Page 39 Unpack the new board from its box, carefully observing proper ESD procedures. Connect the alarm board to P8 and press down firmly, until the board is seated. Secure the alarm board at the top using the two screws removed earlier. Page 39 © Copyright 2021 ABB. All rights reserved.
  • Page 40 0-16V dc Voltage monitors (6 channels + 1 temperature channel) • 0-200V dc Voltage monitors (6 channels + 1 temperature channel) • Temperature monitor (7 Channels) • Control Relay module (3 sets of programmable form C relay outputs) Page 40 © Copyright 2021 ABB. All rights reserved.
  • Page 41 After approximately 1 minute, the green LED on the front of the module will blink once approximately every 5 seconds. Detailed troubleshooting information may be found in the User’s Guide for Millennium II Controller Advanced Features manual. Page 41 © Copyright 2021 ABB. All rights reserved.

  • Page 42: Thermal Probes

    1 Wire Temperature Monitoring Devices Description Probe 2 Terminal Block Interface for 3 Probe 2 RTN additional 10k probes or 210E Probe 3 connection Probe 3 RTN Probe 4 Probe 4 RTN Page 42 © Copyright 2021 ABB. All rights reserved.

  • Page 43: Usb Interface

    Signal Name Pin Number Signal Name PCRAO MJFR PCRAC MNFR PCRAR MNFC TFLT PCRVR MNFO TBST PCRVC TRTN PCRVO PBTR PCREO PCREC ACFR Table 9-B Controller Alarm Descriptions and Pin Numbers Page 43 © Copyright 2021 ABB. All rights reserved.
  • Page 44 4-20mA Rtn USR3PRESETN/ BTPFLT UR2R now general I/O- 3 UR3R USR3DETECT/ BTMJ Now VLVR UR3C 0-5V in Now VLVC UR3O PMNER 0-5V Rtn Now VLVO PMNEC LVD2 PMNEO LVD2R MJFO MJFC Page 44 © Copyright 2021 ABB. All rights reserved.
  • Page 45 PMJVO PMNAO Power Minor-Audio PMNAC PMNAR PMNVR Power Minor –Visual PMNVC PMNVO PMNER Power Minor –External PMNEC PMNEO MJFO Major Fuse MJFC MJFR MNFR Minor Fuse MNFC MNFO Battery On Discharge Page 45 © Copyright 2021 ABB. All rights reserved.

  • Page 46: Wiring Alarm And Control Inputs

    Low Voltage 2 Disconnect State Detect LVD2 Fuse Alarm Major Fuse Alarm Minor Auxiliary Alarm Major Auxiliary Alarm Minor Timer Float Control TFLT Timer Boost Control TBST Plant Battery Test Open String Detect Transfer Rectifier 1 Page 46 © Copyright 2021 ABB. All rights reserved.
  • Page 47 BTPFLT or Generic Input 3 IN-3/ BTPFLT Low Voltage 3 Disconnect State Detect Also LVD3/ BTMJ Battery Thermal Protect Major General Purpose 0-5Vdc Measuring Circuit 0-5V General Purpose 0-5Vdc Measuring Circuit-RTN 0-5VR Page 47 © Copyright 2021 ABB. All rights reserved.
  • Page 48 A battery potential input is required, which must use an external 1K ohm, 2W current limiting resistor at the source if not using standard ABB Power LVD circuit boards or controller. This circuit is used to inform Galaxy that the monitoring circuit of a Low Voltage Disconnect device has failed. In standard Galaxy Power Systems, the Bay Interface board monitors these alarms and informs the Controller through the serial interface connection.
  • Page 49 210E Thermal Probe Multiplexer Refer to User’s Guide for Millennium II Controller Advanced Features manual for additional information on these features. Alarm Battery Supply Signals Signal Name Pin No. Table 9-E: ABS Pin Numbers Page 49 © Copyright 2021 ABB. All rights reserved.

  • Page 50: Fuses

    Battery Supply, used to power alarm panels or other devices requiring the power system voltage at no more than 1.3A. Figure 9-4: Millennium Controller Fuses FUSE Description Fuse Size Controller Input Power Alarm Battery Supply (ABS) 1.3A Page 50 © Copyright 2021 ABB. All rights reserved.

  • Page 51: Front Panel Display

    Millennium II controller. Figure 9-5: Controller Front Panel Displays Figure 9-6: Detailed Controller Front Panel Display – L51/52 Page 51 © Copyright 2021 ABB. All rights reserved.
  • Page 52 A ground referenced RS-232 local port is provided at the front of the display to allow easy connection to a personal computer or terminal using ANSI T1.317 object oriented command language. ABB Power’s EasyView is also available to provide a user friendly system interface locally or remotely. See figure 4-6.
  • Page 53 Using a small flat head jeweler’s screwdriver, insert it into the small opening at the top of the display assembly (above the UP arrow). Turn clockwise or counter clockwise until the display contrast is set. Page 53 © Copyright 2021 ABB. All rights reserved.

  • Page 54: Controller Defaults

    Remote Rectifier in Standby ENABLED DISABLED SW202-3 Boost Mode ENABLED DISABLED SW202-2 Reserved for Future Use ENABLED DISABLED SW202-1 Reserved for Future Use ENABLED DISABLED Table 9-G: Millennium II Controller Dip Switch Settings Page 54 © Copyright 2021 ABB. All rights reserved.
  • Page 55 Change Engine Transfer Timeout Alarm Threshold and Severity Change Reserve Time Low Alarm Threshold and Severity Change Multiple Converter Fail Alarm Threshold and Severity Change Battery On Discharge Alarm Threshold and Severity Page 55 © Copyright 2021 ABB. All rights reserved.
  • Page 56 Alarm Test Aborted None None Alarm Test Failed Warning None None Memory Backup Battery Low Warning None None Battery Type Conflict Warning None None Table 9-J:Controller Alarm Severity, LED and Relay Default Values Page 56 © Copyright 2021 ABB. All rights reserved.
  • Page 57 Minor None Excessive Login Attempts Warning None None External Fuse Major Major DIST External Fuse Minor Minor DIST History Cleared None None Table 9-J:Controller Alarm Severity, LED and Relay Default Values Page 57 © Copyright 2021 ABB. All rights reserved.
  • Page 58 CTLR User Relay Conflict Warning None None Very Low Voltage Critical Sense/Control Fuse Major CTLR CTLR ID Not Configured Major RECT None Table 9-J:Controller Alarm Severity, LED and Relay Default Values Page 58 © Copyright 2021 ABB. All rights reserved.
  • Page 59 Figure 9-8: Millennium II Controller Default Display The first line shows: # of Alarms # of Warnings Date Time The larger text in the middle of the screen shows: Plant Voltage Plant Load (Current) Page 59 © Copyright 2021 ABB. All rights reserved.
  • Page 60 • Configure • Control • View Status • View History • View Statistics • Perform Diagnostics These menu operations are accomplished by navigating through different screens. Page 60 © Copyright 2021 ABB. All rights reserved.

  • Page 61: Controller Display Menu Maps

    Controller Display Menu Maps Configuration Menu Map Page 61 © Copyright 2021 ABB. All rights reserved.
  • Page 62 Control and Operations Menu Map Page 62 © Copyright 2021 ABB. All rights reserved.
  • Page 63 Status Menu Map Page 63 © Copyright 2021 ABB. All rights reserved.
  • Page 64 History Menu Map Statistics Menu Map Page 64 © Copyright 2021 ABB. All rights reserved.
  • Page 65 12 or 24 hour. Use the <+> or <-> key to select the desired format and press <ENTER> to save the change. Time Allows you to change/set the time. Enables or Disables Daylight Savings. Daylight Page 65 © Copyright 2021 ABB. All rights reserved.
  • Page 66 Move the cursor to the SHUNT I field by using the <UP>/ <DOWN>/<LEFT>/<RIGHT> ARROW keys. Use the <+> or <-> key to step through the available values (0-99999). Select the desired value; press <ENTER> to save the change. Page 66 © Copyright 2021 ABB. All rights reserved.
  • Page 67 Very Low Voltage (VLV) and Power Critical alarm will be Very Low Voltage generated. Move the cursor to the field and use the <+> or <-> key to adjust the threshold value. Press <ENTER> to save the change. Page 67 © Copyright 2021 ABB. All rights reserved.
  • Page 68 Cells/String battery test features. Move the cursor to the field and use the <+> or <-> key to adjust the threshold value. Press <ENTER> to save the change. Page 68 © Copyright 2021 ABB. All rights reserved.
  • Page 69 This enables or disables the low temperature compensation feature. This sets the minimum temperature for which thermal compensation is Low Comp Limit active. Increase This sets the slope (mV/degC) for low temperature compensation. Page 69 © Copyright 2021 ABB. All rights reserved.
  • Page 70 Reconnect voltage is recommended. Use the <+> or <-> key to adjust the voltage to the desired level. Press <ENTER> to save the change. Page 70 © Copyright 2021 ABB. All rights reserved.

  • Page 71: Acceptance Testing

    If you are testing a controller in a live plant: • Some tests will cause a battery discharge. Insure that plant batteries are capable of supporting the load. • Alarms will be generated. Notify the appropriate alarm monitoring personnel. Page 71 © Copyright 2021 ABB. All rights reserved.

  • Page 72: Test Sequences

    Front Panel Display Meter Calibration Using a calibrated digital voltmeter, measure the plant voltage from the front panel test jacks. Follow these steps to calibrate the front panel meter display for Voltage and Current readings: Page 72 © Copyright 2021 ABB. All rights reserved.
  • Page 73 The DVM reading will be the one to change since Rectifier Manager will adjust rectifier outputs as NOTE: necessary per the calibration performed. Step Action for Current Calibration NOTE: The following procedure is applicable only in plants with Load shunts Page 73 © Copyright 2021 ABB. All rights reserved.
  • Page 74 The next step WILL RAISE the system voltage. Use the Arrows, and UP/DOWN keys to change the system float voltage setpoint to 0.1V above the High Float Alarm Threshold.. Press ENTER to save. Page 74 © Copyright 2021 ABB. All rights reserved.
  • Page 75 There are three requirements for a serial rectifier to shut down upon a controller initiated High Voltage NOTE: Alarm. Page 75 © Copyright 2021 ABB. All rights reserved.
  • Page 76 Use the Arrows, and UP/DOWN keys to change the system float voltage setpoint to 0.1V above the High Voltage Alarm Threshold.. Press ENTER to save. Controller Observations: • The plant voltage increases • Power Major alarm (PMJ) is generated Page 76 © Copyright 2021 ABB. All rights reserved.
  • Page 77 Controller Observations: • The plant voltage returns to it’s original value • Power Major alarm (PMJ) retires • RECT and MAJ LEDs are extinguished Rectifier Observations: • Rectifier is operating normally Page 77 © Copyright 2021 ABB. All rights reserved.
  • Page 78 For distribution circuit breakers, temporarily connect the pins 8 and 9 of any KS22010 or KS22012 style circuit breakers together. This is accomplished on the ED83143-30 circuit breaker panels by shorting the (-) panel bus to pin 1 on the P4 connector of its BNL1 alarm board. Page 78 © Copyright 2021 ABB. All rights reserved.
  • Page 79 Using the Up/Down Arrows, Scroll to Control/Operations and press Enter. Select Clear History, and press Enter. Press Enter again to clear the History Log, or Escape to return to the menus. Page 79 © Copyright 2021 ABB. All rights reserved.
  • Page 80 This page intentionally left blank Page 80 © Copyright 2021 ABB. All rights reserved.

  • Page 81: Circuit Boards

    Every cabinet in a Galaxy Power System has a Bay Interface Card (BIC). The BIC provides controller access to alarm monitoring, battery voltages, battery currents, and temperature probes in the cabinet through the serial rectifier bus. Page 81 © Copyright 2021 ABB. All rights reserved.
  • Page 82 This page intentionally left blank Page 82 © Copyright 2021 ABB. All rights reserved.

  • Page 83: Specifications

    (3) 2” (1/Bay) (36) 4 GA (3) 6 GA provided each, 200 VAC 12 AC Feeds at 45A (12) 2-pole (3) 2” (1/Bay) (24) 2 GA (3) 6 GA provided each, 200 VAC Page 83 © Copyright 2021 ABB. All rights reserved.
  • Page 84 Complies with GR1089 Earthquake Rating Zone 4, upper floors Standards Compliance CE Marked, UL Underwriters Laboratories (UL) 1950 Listed per Subject Letter Agency Approvals S1801, DC Power Distribution Centers for Telecommunications Equipment Page 84 © Copyright 2021 ABB. All rights reserved.

  • Page 85: Rectifier

    Total Harmonic Distortion <5% at full load Regulation ±0.5% Ripple 100 mVrms Current Limit Set Point 15A-55A With Galaxy Millennium Controller Factory default settings – actual range is 44 - 58Vdc Page 85 © Copyright 2021 ABB. All rights reserved.
  • Page 86 Rectifiers are individually UL Recognized and/or CSA Certified to Certification Marks UL1950 and CSA C22.2 No 234/950. Rectifiers are also approved to IEC -950/EN60950 by an EC Notified Body and have outputs classified as SELV. Page 86 © Copyright 2021 ABB. All rights reserved.

  • Page 87: Safety

    In enclosed equipment cabinets, the chassis must be connected directly to the cabinet ac service ground bus. For applications in huts, vaults, and central offices, the chassis must be connected to the system integrated ground grid. Page 87 © Copyright 2021 ABB. All rights reserved.
  • Page 88 This product operates equally well if installed as part of the Isolated Ground Plane (Isolated Bonding Network) or the Integrated Ground Plane (Mesh- Bonding Network, aka, Common Bonding Network). ABB recognizes there are different grounding techniques that are equally successful. Adhere to a commonly accepted and consistent grounding approach to ensure personnel safety, network protection, and proper equipment operation.

  • Page 89: Maintenance And Replacement

    Open the faceplate by sliding the faceplate latch to the left until the faceplate releases and swings outward. Slide the rectifier into the slot until it engages with the rear of the shelf. Swing the faceplate closed to seat the rectifier. Verify the faceplate is latched. Page 89 © Copyright 2021 ABB. All rights reserved.
  • Page 90 This page intentionally left blank Page 90 © Copyright 2021 ABB. All rights reserved.

  • Page 91: Troubleshooting Procedure

    Coordinate all troubleshooting activities with other personnel that may be working on the system. Table 1: Warnings Tools The following tools are necessary in order to troubleshoot the GPS 4827: • Calibrated digital voltmeter (DVM) (0.05 accuracy on dc scale) • ESD wrist strap Page 91 © Copyright 2021 ABB. All rights reserved.

  • Page 92: Troubleshooting Procedure

    3. To view the Alarms Menu: If the default screen appears normal, press the MENU button. The main menu appears with “Alarms” blinking. Press ENTER to obtain the Alarms menu. Additional data appears that will help to identify the problem. Page 92 © Copyright 2021 ABB. All rights reserved.

  • Page 93: Product Warranty

    Wire Products accessible for repair or replacement and to restore the site. Products returned for repair or replacement will be accepted by Seller only in accordance with its instructions and procedures for such returns. Page 93 © Copyright 2021 ABB. All rights reserved.
  • Page 94 WARRANTIES, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMER’S SOLE AND EXCLUSIVE REMEDY SHALL BE SELLER’S OBLIGATION TO REPAIR, REPLACE, CREDIT, OR REFUND AS SET FORTH ABOVE IN THIS WARRANTY. Page 94 © Copyright 2021 ABB. All rights reserved.

  • Page 95: Revision

    17. Revision Rev. Description Date Dept./Init. Updated as per template 10/08/2021 Page 95 © Copyright 2021 ABB. All rights reserved.
  • Page 96 – in whole not accept any responsibility whatsoever for potential errors or or in parts – is forbidden without prior written consent of ABB. possible lack of information in this document Copyright©...

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