Gamatronic Centric 3X480 VAC Installation Manual
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Gamatronic Centric 3X480 VAC Installation Manual

For the 120 kw and 240 kw models
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This installation guide is
for product #101SVE6*6.
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AMATRONIC
LECTRONIC
17 Hartom St., PO Box 45029, Jerusalem 9777517, Israel
Tel: +972-2-588-8222
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Website: www.gamatronic.com
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  • Page 1 This installation guide is for product #101SVE6*6. Release 2.2, December 2016 AMATRONIC LECTRONIC NDUSTRIES 17 Hartom St., PO Box 45029, Jerusalem 9777517, Israel Tel: +972-2-588-8222 Fax: +972-2-582-8875 Email: info@gamatronic.co.il Website: www.gamatronic.com 2MUM-PPCN/4...
  • Page 2 Gamatronic is not responsible for any damage to the product due to unauthorized repair work, misuse or abuse of the product, or force majeure. If the product is delivered without batteries, Gamatronic is not responsible for any damage or malfunction due to incorrect wiring of the batteries.

  • Page 3: Table Of Contents

    6.5 Removing a module from an installed system ..............55 ) ..............59 EMOTE MONITORING PANEL OPTION ................61 IRCUIT BREAKER SELECTIVITY ..................63 ARALLEL OPERATION 9.1 Theory ..........................63 9.1.1 Decentralized static switch method ............... 63 Centric 3x480 Vac, Installation Guide, rel. 2.2...
  • Page 4 Figure 3: Remove the roof (use electric screwdriver) ................2 Figure 4: Remove the walls of the crate ....................2 Figure 5: Major components of the Centric 3x480 Vac (240 kW model) ..........6 Figure 6: Major components of the Centric 3x480 Vac (120 kW model) ..........7 Figure 7: Dimensions of the Centric 3x480 UPS ................
  • Page 5 Table 2: Key to Figure 6 ........................7 Table 3: Recommended clearances ....................13 Table 4: Key to Figure 9 ........................16 Table 5: Maximum input currents for Centric 3x480 Vac ..............22 Centric 3x480 Vac, Installation Guide, rel. 2.2...
  • Page 6 AMATRONIC LECTRONIC NDUSTRIES Table 6: Recommended circuit breaker / switch ratings for Centric 3x480 Vac......... 23 Table 7: Suggested fuse and circuit-breaker values ................24 Table 8: Key to Figure 17 ........................26 Table 9: Battery lifetime vs environmental temp. (illustrative, as per Eurobat) ........28 Table 10: Key to Figure 34 .........................

  • Page 7: Unpacking Instructions

    Using a fork lift, move the shipping crate close to the place in which the Centric will be installed. Cut and remove any straps that are on the shipping crate. Stand on a secure ladder or stool and use an electric screwdriver to remove the screws that are Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 8: Figure 3: Remove The Roof (Use Electric Screwdriver)

    Be careful to avoid scratching the finish of the Centric. 10. Using a fork lift, lift the Centric from the shipping pallet and move it to the location where it will be installed. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 9: Safety Precautions

    The battery cabinet contains a series of batteries that provides high voltage and energy in the UPS body even when the UPS is not connected to the ac input. Take appropriate precautions during installation, inspection and servicing. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 10: Don'ts

    This UPS receives power from more than one source! Disconnection of all ac sources, and of the dc source, is required to de-energize this unit before servicing. WARNING - RISK OF LETHAL ELECTRIC SHOCK: Do not touch uninsulated battery terminals. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 11: System Structure

    • 120 kVA/kW – holds up to four UPS modules Each UPS module has an output capacity of 30 kVA / 30 kW. In addition to the UPS modules, each Centric 3x480 Vac UPS includes: • a system controller •...

  • Page 12: Figure 5: Major Components Of The Centric 3X480 Vac (240 Kw Model)

    LECTRONIC NDUSTRIES 240 kW model, front view 240 kW model, rear view Figure 5: Major components of the Centric 3x480 Vac (240 kW model) Table 1: Key to Figure 5 ESCRIPTION The UPS cabinet’s front door Back side of the LCD panel.

  • Page 13: Figure 6: Major Components Of The Centric 3X480 Vac (120 Kw Model)

    LECTRONIC NDUSTRIES 120 kW model, front view 120 kW model, rear view Figure 6: Major components of the Centric 3x480 Vac (120 kW model) Table 2: Key to Figure 6 ESCRIPTION The UPS cabinet’s front door Back side of the LCD panel.

  • Page 14: Installation

    “3-wire + Ground” loads (no Neutral line), the load may be damaged when it is transferred to bypass. If you want to change the line configuration of your Centric 480, contact Gamatronic or your vendor. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 15: Installation Checklist

    Complete the following checklist as you perform the installation, initialization, configuration, and testing procedures. Refer to the appropriate sections (specified in the Reference column) for detailed information about each checklist item. When the checklist is complete, fax it to your vendor, or to Gamatronic at +972-2-582-8875. 480 V UPS.
  • Page 16 4.3.4.4. Batteries are connected according FAST FUSES (SEMICONDUCTOR FUSES) to recommendations and with must be used between the battery and the proper fuse values. Centric. For example, the Ferraz Shawmut A70QS fuse. Centric 3x480 Vac, Installation Guide, rel. 2.2...
  • Page 17 Before turning on the battery, verify that the LED on the left front of each UPS modules is lit green. Perform post-startup tests. Tests successfully completed. Comments on site preparation – electrical: ___________________________________________________ ________________________________________________________________________________________ _________________________________________________________________________________________ Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 18: Installation Procedure

    Recommended minimum clearances around the Centric are provided in Table 3 and Figure 8. It is recommended that the battery cabinets be located as close to the UPS as is practically possible. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 19: Figure 7: Dimensions Of The Centric 3X480 Ups

    20 cm free space between the UPS and the other equipment. The object here is to avoid subjecting the UPS to additional heat and to protect the UPS from stray electronic signals. Figure 8: Recommended clearances around the Centric UPS Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 20: Site Preparation - Electrical

    Verify that circuit breakers on the electrical board that supplies Centric are compliant with local and national codes and Gamatronic system specifications. A fast fuse (semiconductor fuse) should be used on the rectifier ac input line – for example, the Ferraz Shawmut A70QS, Verify that the input and output power cable connections, GND, and neutral lines comply with local and national codes and are appropriate for the circuit breakers protecting them.

  • Page 21: Cabling

    WARNING: There is a UPS attached to this electrical board. To avoid electric shock, DO NOT DISCONNCECT THE UPS’s NEUTRAL LINE WHEN THE UPS IS OPERATING. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 22: Figure 9: Main Power Terminals At The Bottom Rear Of The Centric

    Neutral bus bar. For all systems, connect battery Midpoint lines here. If your system is configured for a “4-wire + Ground” environment (see section 14.1), also connect the ac Neutral lines here. Protective Earth (Ground) bus bar. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 23: Figure 10: Recommended System Connections For "4-Wire + Ground" Infrastructure

    AMATRONIC LECTRONIC NDUSTRIES Figure 10: Recommended system connections for “4-wire + Ground” infrastructure For recommended circuit breaker and fuse ratings, see Table 5 and Table 6 Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 24: Figure 11: Recommended Connections, "4-Wire + Ground" Config. With Input Isol. Xformer

    AMATRONIC LECTRONIC NDUSTRIES Figure 11: Recommended connections, “4-wire + Ground” config. with input isol. xformer For recommended circuit breaker and fuse ratings, see Table 5 and Table 6. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 25: Figure 12: Surge Arrestor Neutral, For "4-Wire + Ground" Infrastructure

    When connecting the UPS to a “4-wire + Ground” infrastructure, disconnect the blue wire from the grey terminal that is next to the surge arrestor, and connect the wire to the Neutral point of the surge arrestor. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 26: Figure 13: Recommended Connections For "3-Wire + Gnd" Config. (No Neutral)

    AMATRONIC LECTRONIC NDUSTRIES Figure 13: Recommended connections for “3-wire + Gnd” config. (no Neutral). For recommended circuit breaker and fuse ratings, see Table 5 and Table 6. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 27: Figure 14: Connections For "3-Wire + Gnd" Config. (No Neutral) With Input Isol. Xformer

    AMATRONIC LECTRONIC NDUSTRIES Figure 14: Connections for “3-wire + Gnd” config. (no Neutral) with input isol. xformer For recommended circuit breaker and fuse ratings, see Table 5 and Table 6. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 28: Table 5: Maximum Input Currents For Centric 3X480 Vac

    AMATRONIC LECTRONIC NDUSTRIES Table 5: Maximum input currents for Centric 3x480 Vac Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 29: Table 6: Recommended Circuit Breaker / Switch Ratings For Centric 3X480 Vac

    AMATRONIC LECTRONIC NDUSTRIES Table 6: Recommended circuit breaker / switch ratings for Centric 3x480 Vac Note 1: Switch and CB values are based on 10-minute backup time with full load. If longer backup is required, please consult with your dealer.

  • Page 30: Figure 15: Connecting The Battery To The Ups

    10-minute backup time at full load. If longer backup time is needed, please consult with your dealer. Table 7: Suggested fuse and circuit-breaker values UPS capacity (kW) Max. current (A) Fast fuse (A) Circuit breaker (A) 63-125 125-180 200-250 300-350 350-450 450-525 500-600 550-650 Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 31: Figure 16: Another Battery Connection Example, This One With Circuit Breakers

    Fuses F1 through F4 have the same value as specified in Table 7. The rating of Fuses F5 and F6 depends on the number of battery sets. Figure 16: Another battery connection example, this one with circuit breakers Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 32: Figure 17: Battery Bus Bars On Lower Front Of Ups

    Negative (–) battery bus bar Front door of the UPS cabinet Note: The battery Neutral line is to be connected to the Neutral bus bar, which is accessible from the rear of the UPS. See Figure 9. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 33: Figure 18: Recommended Battery Cable Entry

    AMATRONIC LECTRONIC NDUSTRIES Figure 18: Recommended battery cable entry The recommended battery cable entry is from the bottom rear of the UPS. See Figure 18. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 34: Cable Tray

    Note the upright “wing” on each side of the cable tray. Attach the wings to the pre-drilled holes on the inside channel on the left and right side of the rear of the UPS. (See Figure 20 Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 35: Figure 20: Attaching The Lower Part Of The Cable Tray

    AMATRONIC LECTRONIC NDUSTRIES Figure 20: Attaching the lower part of the cable tray Figure 21: The upper part of the cable tray Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 36: Figure 22: Fastening The Upper Part Of The Cable Tray

    AMATRONIC LECTRONIC NDUSTRIES Figure 22: Fastening the upper part of the cable tray Figure 23: Dimensions of the assembled cable tray, in mm. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 37: Powering-Up The System

    ON the battery circuit breaker (on the battery box). A series of screens are displayed on the control panel to enable you to define the system's initial configuration. To perform the initial configuration, continue with section 4.4 below. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 38: Initial Configuration

    On the "Start" screen, press "Next". The password screen is displayed. Enter the password provided by your distributor or sales agent and press “OK”. Without such a password you cannot continue. Figure 25: Initial config. wizard: password entry Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 39: Figure 26: Initial Config. Wizard: Number Of Battery Sets

    The Ah rating is usually indicated on the battery's exterior. The Ah rating of a single battery is the same as for the entire cabinet. Enter this number in the wizard screen. Figure 27: Initial config. wizard: battery capacity in Ah Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 40: Figure 28: Initial Config. Wizard: Set Time Zone

    Scroll through the list to find your time zone, select the time zone, then press "Next". Figure 28: Initial config. wizard: set time zone Press "Finish" to exit the wizard. Figure 29: Finish configuration wizard Continue with section 4.4.1 below. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 41: Continuing First-Time Start-Up Process

    "confirm", and enter the system password if prompted for it. 11. Finally, to save the settings you have defined, from the main menu choose: "Setup > Save and restore > Save settings > OK". Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 42: Assigning An Ip Address To The Centric

    Press the "Confirm" key when you have finished entering all of the addresses. This causes the entered addresses to be saved in the Centric's non-volatile memory. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 43: Testing

    Open a browser on the external computer and enter the IP address of the UPS’s system controller in the browser’s address field to verify that you can reach the Web server on the system controller. You should see the UPS’s main menu. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 44: Miscellaneous Connections

    Centric’s top-most removable module. The location of connector groups 1 and 2 is shown in Figure 32, and close-up views of the connectors are shown further on in the text where relevant. Figure 32: Location of minor connectors on the controller’s rear panel Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 45: Figure 33: Location Of Connector Group 3

    UPS is in bypass mode before moving to maintenance bypass model. Load on bypass contacts. Normally Open. See section 5.4. Connections for the two parallel communication cables when two or more Centric 480 UPS’s are 5, 6 being operated in parallel configuration. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 46: Input And Output Dry Contacts

    The dry contacts can be set up and configured at any time. Refer to the Centric User Guide for detailed instructions on configuration of the dry contacts. Figure 35: Closer view of dry contact terminals in connector group 1 Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 47: Emergency Power Off - Epo (Manual)

    After the emergency situation that prompted use of the EPO switch has been resolved, the UPS can be restarted as follows: Reset the EPO switch. Switch off the following circuit breakers: ac input, bypass ac input, battery. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 48: Battery Circuit Breaker Trip Coil

    UPS is in bypass mode before it is put into maintenance bypass model. The forced bypass contact is located in connector group 3. See Figure 33 and Figure 34. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 49: Inserting And Removing Power Modules

    If you remove a UPS module or a dc-to-dc converter module from the Centric when the module is operating, do not re-insert the module immediately. Wait five minutes, to allow the capacitors in the module time to discharge. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 50: Safety Considerations

    Slide the module most of the way into the module shelf, but NOT ALL THE WAY IN. Leave at least 10 cm (3 inches) exposed, so that the module remains disconnected from the power. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 51: Figure 39: Location Of The Ups Modules In The 240 Kw And 120 Kw Models

    The lowest dc-dc shelf is shelf 1; the next shelf up is dc-dc shelf 2, and so on. Each dc-dc module contains 2 converter blocks. All of the dc-dc blocks are connected to one- another in parallel, and supply the UPS modules in parallel. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 52: Verify Proper Module Output

    On the "Status > Modules" screen, press the Inverter Output button, select the modules one-by-one and verify that the output frequency of each module matches the system nominal value, and that the output voltage of each phase is within 2 % of the system nominal value. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 53: Figure 41: Status > Modules > Output

    If there are no related alarms, you have successfully replaced the module. You can now resume normal use of the UPS Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 54: Replacement Of A Module In An Installed System

    ("Main screen > Status > Modules"), press on the icon of the module you just shut down, and verify that the status is "OFF" for PFC (Figure 43) and for the inverter (Figure 44). Figure 43: Status > Modules > PFC status for module 4 Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 55: Figure 44: Status > Modules > Inverter Status For Module 4

    “Cancel” and let your batteries charge before continuing. As a rule of thumb, figure that the battery needs to have a charge sufficient to support the load for 10 minutes. Wait until all the modules that should be “ON” are marked with a checkmark. (Figure 47). Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 56: Figure 45: All Modules Are Marked With A Checkmark

    If there are no related alarms, you have successfully replaced the module. You can now resume normal use of the UPS Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 57: Addition Of A Module In An Installed System

    30 kW module to a 60 kW system giving you a 90 kW system, and your license type is “up to 120 kW”, skip to the next step. Figure 48: “Model Type” screen for a 180 kW system Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 58: Figure 49: :"Model Type" Screen For A 210 Kw System

    From the system main menu, choose "Operation > Turn on/off > Modules off". On the screen, choose the shelf where the new module will be placed. The modules are numbered from bottom to top. The outline of the module you choose becomes highlighted. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 59: Figure 51: Turning Off A Module

    “Cancel” and let your batteries charge before continuing. As a rule of thumb, figure that the battery needs to have a charge sufficient to support the load for 10 minutes. Wait until all the modules that should be “ON” are marked with a checkmark. (Figure 52). Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 60: Figure 52: All Modules Are Marked With A Checkmark

    If there are no related alarms, you have successfully replaced the module. You can now resume normal use of the UPS Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 61: Removing A Module From An Installed System

    30 kW module from a 90 kW system giving you a 60 kW system, and your license type is “up to 120 kW”, skip to the next step. Figure 55: “Model Type” screen for a 210 kW system Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 62: Figure 56: "Model Type" Screen For A 180 Kw System

    From the system main menu, choose "Operation > Turn on/off > Modules off". On the screen, choose the module to be removed. The modules are numbered from bottom to top. The outline of the module you choose becomes highlighted. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 63: Figure 58: Turning Off A Module

    "OFF" for PFC (Figure 59) and for the inverter (Figure 60). Figure 59: Status > Modules > PFC status for module 4 Figure 60: Status > Modules > Inverter status for module 4 Centric 3x480 Vac, Installation Guide, rel. 2.2...
  • Page 64 If there are no related alarms, the module has been successfully removed from the system. You can now resume normal use of the UPS. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 65: Remote Monitoring Panel (Option)

    INVERTER Inverter is faulty green The load is on the inverter green Load level normal LOAD LEVEL Excessive load UPS ON green UPS is operating ALARM OFF The audible alarm has been muted Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 66: Figure 62: Connecting The Remote Monitoring Panel

    AMATRONIC LECTRONIC NDUSTRIES Figure 62: Connecting the remote monitoring panel Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 67: Circuit Breaker Selectivity

    The circuit breaker that feeds the bypass input line and the circuit breaker feeding the main input of UPS shall have no magnetic protection delay, or a maximum magnetic protection delay of 50 msec. Centric 3x480 Vac, Installation Guide, rel. 2.2...
  • Page 68 When using a circuit breaker with delayed magnetic protection, the ability of the cables and the rest of the infrastructure to withstand a short circuit must be taken in account. Where the local electrical code is more stringent than the above recommendations, the local code takes priority. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 69: Parallel Operation

    To avoid such a hazard in decentralized mode, the static switches are synchronized by dedicated control communication to ensure that if one unit goes to bypass mode, the rest of the units will also transfer to bypass mode simultaneously. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 70: Parallel Communication

    When two or more Centric units are operated in parallel, parallel communication must take place between them in a "ring" arrangement. This is accomplished by the use of Gamatronic-provided cables with D25 connectors on each end. Parallel communication keeps the parallel units synchronized with each other, and is used to pass commands and status information between units.

  • Page 71: Figure 66: Location Of Connector Group 3

    / N.O. EPO switch may be connected according to the connection schematic. EPO disconnection of the parallel units MUST BE SIMULTANEOUS! EPO wiring and switch rating must be 5 A / 230 Vac. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 72: Instructions For Parallel Configuration

    – you will see the main menu screen. It should read “UPS ON, Normal mode”, and there should be no alarms present. (If there are active alarms, resolve any problems before continuing.) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 73: Figure 69: The Main Menu Screen

    You will see the ac output voltage display, per module. By tapping on each of the module icons on the left side of the screen you can see which modules have an output voltage that is more than ±2 V different from the master system. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 74: Figure 70: Ac Output Voltage Display, Per Module

    ±10 % of the total system output current. 15. The parallel systems are now ready for use for any loads up to the maximum rated output in kW of the combined systems. Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 75: Figure 71: Connection Diagram For 2 Parallel Units (With Neutral Line)

    AMATRONIC LECTRONIC NDUSTRIES Figure 71: Connection diagram for 2 parallel units (with neutral line) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 76: Figure 72: Connection Diagram For 3 Parallel Units (With Neutral Line)

    AMATRONIC LECTRONIC NDUSTRIES Figure 72: Connection diagram for 3 parallel units (with neutral line) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 77: Figure 73: Connection Diagram For 4 Parallel Centric Units (With Neutral Line)

    AMATRONIC LECTRONIC NDUSTRIES Figure 73: Connection diagram for 4 parallel Centric units (with neutral line) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 78: Figure 74: Connection Diagram For 2 Parallel Units (W/O Neutral Line)

    AMATRONIC LECTRONIC NDUSTRIES Figure 74: Connection diagram for 2 parallel units (w/o neutral line) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 79: Figure 75: Connection Diagram For 3 Parallel Units (W/O Neutral Line)

    AMATRONIC LECTRONIC NDUSTRIES Figure 75: Connection diagram for 3 parallel units (w/o neutral line) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 80: Figure 76: Connection Diagram For 4 Parallel Centric Units (W/O Neutral Line)

    AMATRONIC LECTRONIC NDUSTRIES Figure 76: Connection diagram for 4 parallel Centric units (w/o neutral line) Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 81: Maintenance Bypass For Parallel Systems

    Note: The rating of circuit breaker CB12 in the connection schematics must be appropriate for the number of parallel UPSs. Table 16: Rating of CB12 (for maintenance bypass option) UMBER OF ECOMMENDED RATING CB12 (A PARALLEL 350 ~ 400 Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 82: 10. Using The Ups With A Generator

    UPS, on the loads, and on the particular ATS being used. Figure 77: Timing variables when using a generator and an ATS Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 83: Figure 78: Example Of An Ats Control Panel

    • The “Stop” setting opens the ATS’s circuit breakers. Figure 78: Example of an ATS control panel Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 84: 11. Periodic Preventive Maintenance

    It is important that the UPS owner continue to arrange regular preventive maintenance inspections even after the expiration of the initial warrantee period. Gamatronic bears no liability for damage caused to the UPS due to improper maintenance by third parties, in particular after the expiration of the warrantee or service agreement.

  • Page 85: Objectives

    Before proceeding with the periodic maintenance make sure that the following tools are available to you: • Philips screw driver • Flat head screw driver • Oscilloscope • Air compressor and vacuum (for cleaning) • Flashlight Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 86: Maintenance Procedures And Report

    11.3 Maintenance Procedures and Report Record the values of all parameters checked and of measurements taken during the periodic maintenance in the form below. Fax the completed form to Gamatronic at +972-2-582-8875. 1. UPS model and configuration Company ______________________ Address _______________________________________...
  • Page 87 For UPS’s with an output isolation transformer: does the output of each transformer phase within the expected range? DONE Perform a visual inspection of the interior and exterior of the input transformer. Comments: Centric 3x480 Vac, Installation Guide, rel. 2.2...
  • Page 88 10 Vdc for any battery. Replace any batteries that give a reading less than 10 Vdc. BATTERY STRING #1 BATTERY STRING #2 Batt.no. Good Batt. no. Good Batt. no. Good Batt. no. Good END OF MAINTENANCE PROCEDURES REPORT Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 89: 12. Service And Repairs

    Without a written agreement, Gamatronic is under no obligation to provide service after expiration of the initial warrantee period. Gamatronic will not be responsible for maintenance or changes to the UPS that are performed by an agent without written authorization from Gamatronic.

  • Page 90: 13. Centric Specifications

    AMATRONIC LECTRONIC NDUSTRIES 13. Centric specifications Table 17: Technical specifications System specifications for the CENTRIC 3x480 Vac modular UPS Topology Modular, double-conversion, VFI Operation Continuous Input 3x480 Vac, 4 wires + Gnd or 3 wires + Gnd Voltage (Vac) Voltage range (%)
  • Page 91 Battery voltage Status of each UPS module Static-switch parameters and status Battery sensor temperature RTC operation without power Indefinitely Power requirements 3 × 480 Vac OR 400 Vdc (battery) Remote indication panel capability Centric 3x480 Vac, Installation Guide, rel. 2.2...

  • Page 92: Gamatronic Electronic Industries Ltd

    Power Management Solutions Headquarters and Factory: 17 Professor Hartom Street, POB 45029, Jerusalem 9777517, Israel Gamatronic (UK) Ltd.15 Chester Road, Eaton Socon, St. Neots, Cambridgeshire PE19 8YT United Kingdom Tel: +44 (0)1480 479 889 Fax: +44 (0)1480 407 865 email: info@gamatronic.net...

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