Gamatronic CENTRIC 100 kW, Installation Manual

Page 1: ...AMATRONIC 3 PHASE MODULAR UPS FOR THE 400 VAC GRID UPS SYSTEM Installation Guide for models 50 kW 200 kW 50 kVA model with internal battery 200 kVA model Release 4 7 April 2020 This manual is for prod...

Page 2: ...with a maintenance bypass switch is desired the maintenance bypass switch must be external to the UPSs The product described in this document may cause interference with radio communications if not i...

Page 3: ...OWER MODULES 41 5 1 Insertion of power modules at system installation 42 5 2 Replacement of a module in an installed system 44 5 3 Addition of a module in an installed system 46 5 4 Removing a module...

Page 4: ...on wizard 32 Figure 19 The alarms icon indicates alarm conditions 33 Figure 20 IP address configuration 34 Figure 21 Minor connector groupings on the Centric rear panel 36 Figure 22 Closer view of dry...

Page 5: ...rol panel 69 Figure 55 A UPS s bypass circuit 70 Figure 56 Timing variables when using a generator and an ATS 72 Figure 57 Example of an ATS control panel 73 LIST OF TABLES Table 1 Recommended clearan...

Page 6: ...not intended to match the readings on a specific system in a particular environment Operation and control of the Centric UPS is accomplished through a touch sensitive LCD display screen In this manua...

Page 7: ...s Read this manual carefully before starting installation and operation of the UPS Review the safety precautions described below to avoid injury to users and damage to the equipment UPS must be instal...

Page 8: ...t as is practically possible If you remove a UPS module from the Centric while the module is operating wait five minutes before reinserting the module This allows the module s capacitors time to disch...

Page 9: ...to the battery cabinet before the battery circuit breaker is turned OFF Do not turn ON the battery circuit breaker when the battery cabinet is disconnected from the UPS Do not install the UPS next to...

Page 10: ...ht internal UPS modules 100 kVA holds up to four internal UPS modules 50 kVA holds up to two internal UPS modules Each UPS module has a maximum output capacity of 25 kVA 25 kW Each Centric unit also i...

Page 11: ...7 11 Figure 2 Major components of the Centric 50 kW model WARNING FOR ALL UNITS WITH BUILT IN BATTERY BREAKER THERE MUST BE ADEQUATE CLEARANCE OF ACCESS IF THIS IS NOT POSSIBLE THE BATTERY BREAKER MUS...

Page 12: ..._____ 6___________ 7___________ 8___________ Technician Name Date Signature Operation Requirement Reference Visual Inspection Verify the physical integrity of the system No physical damage 3 2 1 Comme...

Page 13: ...r for charging 3 2 4 5 Verify that the connection of the battery to the UPS is according to the diagram and instructions in section 3 2 4 5 FAST FUSES SEMICONDUCTOR FUSES must be used between the batt...

Page 14: ...ivered is as ordered and that a system controller module was delivered 3 2 2 Site Preparation Physical Perform the following procedures before connecting any external cables to Centric 1 Ensure that t...

Page 15: ...cable connections Sides No minimum clearance provided that the UPS is not placed next to heat emitting equipment or other electronic equipment If the UPS is placed next to heat emitting equipment or...

Page 16: ...hat it is at least 385 V and 385 V 7 FAST FUSES SEMICONDUCTOR FUSES must be used between the battery and the Centric For example the Bussmann FWH fuse 3 2 4 Cabling 3 2 4 1 NEUTRAL LINE During both in...

Page 17: ...input and ac output cables to the Centric Refer to Figure 8 or Figure 9 and to Figure 4 and Figure 6 below The lower rear panel of the Centric must be removed for access to the main terminals To the...

Page 18: ...tion Guide rel 4 7 18 200 kW model 100 kW model 50 kW model RECOMMENDED TORQUE VALUES FOR MAIN AC AND DC TERMINAL CONNECTIONS 200 kW model 25 30 N m 100 kW model 6 12 N m 50 kW model 1 9 N m Figure 4...

Page 19: ...4 7 19 Figure 5 Close up of the main terminals 200 kW model Recommended torque value for main ac and dc terminal connections 25 30 N m Figure 6 Close up of the main terminals 100 kW model Recommended...

Page 20: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 20 Figure 7 Close up of the main terminals 50 kW model Recommended torque value for main ac and dc terminal connections 1 9 N m...

Page 21: ...e Centric and the electrical panel Refer to Figure 8 or Figure 9 for system connections and Table 2 and Table 3 for circuit breaker recommendations See Chapter 8 for a discussion of the issue of circu...

Page 22: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 22 Figure 8 Recommended standard system connections For recommended circuit breaker ratings see Table 2 page 24 and Table 3 page 25...

Page 23: ...A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 23 Figure 9 Recommended system connections with input isolation transformer For recommended circuit breaker ratings see Table 2 page 24 and Tabl...

Page 24: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 24 Table 2 Maximum input currents...

Page 25: ...than the above recommendations the local codes take priority Table 4 1 Icw Rated short time withstand current and I pk Rated Peak short circuit value UPS MODEL I cw A I pk A Centric 50k 575 1700 Cent...

Page 26: ...IC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 26 3 2 4 4 ATTACH THE CABLE STRESS RELIEVER Figure 10 Attaching the cable stress reliever Figure 11 Attaching the cable stress reliever anoth...

Page 27: ...the UPS 3 Measure the dc voltage at the main terminals of the battery cabinet Verify that you obtain values of at least 360 Vdc red and at least 360 black with reference to N blue 4 Connect each batt...

Page 28: ...EDGE DIVISION Centric Installation Guide rel 4 7 28 Figure 12 Connecting the battery cabinet to the UPS FAST FUSES SEMICONDUCTOR FUSES must be used between the battery and the Centric For example the...

Page 29: ...ach the LCD display screen to the top front of the Centric See section 7 on page 69 for instructions on how to attach the LCD display screen 3 Switch ON the external bypass input circuit breaker 4 Swi...

Page 30: ...entric with required basic configuration information to enable initial operation of the Centric The initial configuration process is described here Figure 13 Initial configuration wizard Start screen...

Page 31: ...2 Then press Next Figure 15 Initial configure wizard number of battery sets 4 Indicate the capacity of the connected batteries in ampere hours Ah then press Next This capacity figure is used by the U...

Page 32: ...Installation Guide rel 4 7 32 5 Scroll through the list to find your time zone select the time zone and then press Next Figure 17 Initial configure wizard set time zone 6 Press Finish to exit the wiza...

Page 33: ...the alarm symbol to display the potential problems Refer to the troubleshooting section of this document to determine the proper response to the alarm indications Figure 19 The alarms icon indicates...

Page 34: ...address automatically your network must support DHCP 1 From the Main Menu select Setup Connectivity Network Configuration 2 Press the button labeled Obtain an IP address automatically The Centric soft...

Page 35: ...roller This test is designed to verify that the System Controller is properly configured for communication and that the Web server built into the System Controller is functioning properly If you do no...

Page 36: ...on the rear panel of the Centric These miscellaneous connectors are three locations which we will refer to as connector groups 1 2 and 3 These connector groups are shown in Figure 21 and close up vie...

Page 37: ...rnal relay changes The output dry contacts enable the Centric to trigger an external circuit in response to a system alarm The connections for the input and output dry contacts are located on the rear...

Page 38: ...le 7 D9 pin assignments in connector group 2 PIN ALARM CONNECTOR RS232 CONNECTOR RS485 CONNECTOR 1 Input dry contact 5 AUX5 RXD Receive data RTX 2 Reserved TXD Transmit data not used 3 Line failure de...

Page 39: ...tch must be an N O type rated for at least 24 Vdc 1 A Be sure to perform a continuity test on the EPO switch before connecting it to the UPS 4 1 2 1 BATTERY CIRCUIT BREAKER TRIPCOIL The Centric includ...

Page 40: ...om an external source The following diagram shows how to wire UPS to enable the LVD battery protector Wire should be 12AWG or of a cross section area 2 5 mm 2 is recommended The system controller must...

Page 41: ...n installed system Removal of a module from an installed system Instructions for each type of operation are given below Generally speaking if there are fewer than the maximum number of power modules i...

Page 42: ...the LCD screen is lit green when the system is running If the input breakers are off go to the next step 2 Install the modules starting in the lowest available shelf and work your way upwards through...

Page 43: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 43 200 kW model 100 kW model 50 kW model Figure 27 Location of the UPS modules in the 200 100 and 100 kW models...

Page 44: ...ion Turn on off Modules off 3 On the screen choose the module to be replaced The modules are numbered from bottom to top The outline of the module you choose becomes highlighted Figure 28 Turning off...

Page 45: ...he Nominals button near the bottom of the screen and verify that the values for output voltage output frequency and frequency range match the system nominal settings 10 Navigate to Operation Turn on o...

Page 46: ...to the new module If there are no related alarms you have successfully replaced the module You can now resume normal use of the UPS 5 3 Addition of a module in an installed system The LCD screen image...

Page 47: ...of modules and how many of them if any are intended to provide redundancy On the LCD control panel navigate to Setup System Number of modules Increase the total number of modules as required and indic...

Page 48: ...of the screen and verify that the values for output voltage output frequency and frequency range match the system nominal settings 8 If the module was perviously shut down navigate to Operation Turn o...

Page 49: ...nd see if any of them are related to the new module If there are no related alarms you have successfully replaced the module You can now resume normal use of the UPS 5 4 Removing a module from an inst...

Page 50: ...odules are numbered from bottom to top The outline of the module you choose becomes highlighted Figure 38 Turning off a module 5 Press the Complete Shutdown button 6 To verify that the module has been...

Page 51: ...t side one on the right side of the front panel 9 Slide the power module out of the shelf and place it down on the table you reserved for it 10 Navigate to the main menu screen If the yellow triangula...

Page 52: ...ess This is transparent to the system operator 6 1 1 Decentralized static switch method Every Centric UPS is equipped with a static switch to ensure that the UPS will continue to supply power to the l...

Page 53: ...nd Parallel communication keeps the parallel units synchronized with each nother and is used to pass commands and status information between units Each Centric UPS has two D 15 parallel communication...

Page 54: ...ls causes current sharing to be take place between all the modules of both systems together When three or more Centric units are operated in parallel their current sharing terminals should be connecte...

Page 55: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 55 Figure 44 Conceptual summary of special cabling for parallel operation...

Page 56: ...operation An EPO switch can also be used if you intend to operate multiple Centric units in parallel An external n pole N O EPO switch may be connected according to the connection schematic EPO discon...

Page 57: ...ed For parallel configurations of two or more Centric UPSs the following important information applies The sum of the length of the bypass input and output cables must be the same on all of the UPSs a...

Page 58: ...s for 2 parallel units 101 CN SKD P Set of cables for 3 parallel units 101 CN SKD P 1 Set of cables for 4 parallel units 101 CN SKD P 2 The supplied cables allow for a maximum of about 5 meters betwee...

Page 59: ...ntric showing the PC3001 circuit board Figure 48 Closeup of the master jumper 4 Connect the UPSs in a ring configuration via the two 15 pin parallel communication terminals on each UPS Use the supplie...

Page 60: ...e connection diagram 6 Turn on one of the systems This system will become the master system Wait until the automatic startup procedure is complete you will see the main menu screen It should read UPS...

Page 61: ...p and verify that each system is in Normal mode and has no active alarms 9 Put the slave systems in multisystem mode Main menu Setup System Multisystem mode 10 For each slave system compare the output...

Page 62: ...slave systems have output voltages within 2 V of the master system put each system in bypass mode Main menu Operation Transfer Transfer load to bypass 12 For each slave system compare the output volt...

Page 63: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 63 Figure 52 Connection diagram for two parallel Centric units...

Page 64: ...GAMATRONIC A SOLAREDGE DIVISION Centric Installation Guide rel 4 7 64 Figure 53 Connection diagram for three parallel Centric units...

Page 65: ...PS This enables a technician after turning off ALL the input output and battery circuit breakers to work safely on the UPS The technician can perform full maintenance procedures load testing and even...

Page 66: ...UPS from the Forced Bypass cable 8 Disconnect the UPS from the parallel cables Table 9 CB settings for safe removal of the unit Battery box input on battery box Rectifier ac input C B 2 Bypass ac inpu...

Page 67: ...will have to be corrected before the system can be put in maintenance bypass DO NOT CLOSE CB 4 OR 6 THIS WILL CAUSE A SHORT BETWEEN PHASES 2 Verify that all three phases of the bypass input voltages a...

Page 68: ...uit breaker 4 Switch ON the UPS Operation system on Wait for the system to automatically transfer to inverter once all the power modules are operational 5 On the system controller LCD screen press ope...

Page 69: ...ont panel See Figure 54 Figure 54 Location of fallback push button control panel The push button panel provides only the most basic functionality 1 When the Centric is OFF pressing the Enable button t...

Page 70: ...tripping and magnetic tripping Circuit breakers can have one or both of these tripping characteristics Magnetic tripping is activated immediately when the current though the circuit breaker exceeds a...

Page 71: ...use a time delay circuit breaker on the bypass input line recommended rating of the breaker is approximately six times the maximum bypass input current When using a circuit breaker with delayed magnet...

Page 72: ...Automatic Transfer Switch ATS Because these two sources are not usually synchronized switching between them requires an interval of at least 10 seconds Figure 57 illustrates the timing factors involve...

Page 73: ...the reserve source The timing variables T1 through T5 are described in Figure 57 The knob at the bottom of the control panel controls the actions of the ATS The ATS can be set to use the normal source...

Page 74: ...ually convenient time for a technician to perform the inspection It is important that the UPS owner continue to arrange regular preventive maintenance inspections even after the expiration of the init...

Page 75: ...______________________________ 3 Environmental Inspection Environmental temperature ________ C Ventilation OK Not OK Air conditioning Yes No Comments __________________________________________________...

Page 76: ...Measured value ____ Vac Measure the voltage between Neutral and Ground at the bypass input The value should be no greater than 2 Vac Use a calibrated voltmeter to measure the rectifier input voltages...

Page 77: ...HAZARDOUS WASTE CENTER Use a power resistor of 0 5 300 W rating recommended for the load to check the voltage drop across the terminals of each battery The voltage measured across the resistor should...

Page 78: ...stem The initial warrantee period can be extended by a written service agreement between Gamatronic and the customer Without a written agreement Gamatronic is under no obligation to provide service af...

Page 79: ...ls flipped top to bottom and left to right Release 0 3 2013 11 30 1 Added first draft of instructions for setting up parallel UPS configuration 2 Replaced connection diagrams with latest versions and...

Page 80: ...cifications page were added the weight and dimensions of the battery box for the 50 kW system Release 1 7 September 2014 1 On page 38 in item 4 changed two three or more to two three or four 2 On page...

Page 81: ...breaker Release 3 1 2017 05 07 1 In section 4 3 4 3 Connecting the Centric to the electrical board added legal disclaimer saying that the connection diagrams are recommendations that may be subject t...

Page 82: ...n page ii a warning was added stating that an internal maintenance bypass switch is incompatible with this UPS in a parallel configuration If a parallel configuration is required the maintenance bypas...