Gamatronic Centric 50 kVA, Installation Manual

Page 1: ...875 Email info gamatronic co il Website www gamatronic com 2MUM PPCN 1 U UP PS S S SY YS ST TE EM M I In ns st ta al ll la at ti io on n G Gu ui id de e f fo or r m mo od de el ls s 5 50 0 k kW W 2 20 00 0 k kW W 50 kVA model with internal battery 200 kVA model Release 2 8 December 2015 This manual is for products 101SBD6 ...

Page 2: ...nsible for any damage or malfunction due to incorrect wiring of the batteries Gamatronic is not liable for and the Purchaser waives any right of action it has or may have against Gamatronic for any consequential or special damages arising out of any breach of warranty and for any damages that the Purchaser may claim for damage to any property or injury or death to any person arising out of its pur...

Page 3: ...1 2 Emergency Power Off EPO manual 34 5 PARALLEL OPERATION 35 5 1 Theory 35 5 1 1 Decentralized static switch method 35 5 1 2 Parallel communication 36 5 1 3 Current sharing 37 5 2 Instructions for parallel configuration 39 6 INSERTING AND REMOVING POWER MODULES 46 6 1 Safety considerations 47 6 2 First time insertion of power modules at system installation 47 6 3 Replacement of a module in an ins...

Page 4: ...onnection Properties screen 29 Figure 23 Internet Protocol TCP IP Properties screen 30 Figure 24 Minor connector groupings on the Centric rear panel 31 Figure 25 Closer view of dry contact terminals in connector group 1 32 Figure 26 Close up of connector group 2 33 Figure 27 Pin numbers in D9 connectors 33 Figure 28 Connections for EPO switch and battery trip coil 34 Figure 29 The static switch in...

Page 5: ...reen installed 58 Figure 61 Screen holder 58 Figure 62 Mounting post and cable 58 Figure 63 Screen holder exploded front view 58 Figure 64 Location of fallback push button control panel 59 Figure 65 Close up of the push button control panel 59 Figure 66 A UPS s bypass circuit 60 Figure 67 Timing variables when using a generator and an ATS 62 Figure 68 Example of an ATS control panel 63 LIST OF TAB...

Page 6: ...he screen images are representational only and are 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 manual when explaining how to navigate the control software via the touch sensitive screen the terms tap press choose and select may be used interchangeabl...

Page 7: ... that has a current carrying capacity that matches the rating of the UPS Battery installation battery maintenance and battery replacement shall be performed only by authorized service personnel Pay attention to all DANGER CAUTION and WARNING notices affixed to the inside and outside of the UPS Keep the surroundings clean uncluttered and free from excess moisture Keep the operating environment with...

Page 8: ...et 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 gas or electrical heaters A restricted location is recommended in order to prevent access by unauthorized personnel If you remove a UPS module from the Centric while the module is operating do not reinsert the module imm...

Page 9: ...eight 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 includes a system controller a static switch module an LCD control panel 200 kW model 100 kW model Figure 1 Major components of the Centric 200 and 100 kW models ...

Page 10: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 4 Figure 2 Major components of the Centric 50 kW model ...

Page 11: ...____ 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 Comments on visual inspection __________________________________________________ _______________________________________________________________________________ _____________________________________________...

Page 12: ... and ready for operation or 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 battery and the Centric For example the Bussmann FWH fuse Batteries are connected according to recommendations and with proper fuse values Verify that there is a switch or other ...

Page 13: ...delivered 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 the ambient temperature in the immediate vicinity of Centric complies with Gamatronic requirements Minimum maximum operating temperatures 10 C 40 C 14 F 104 F Recommended operating temperature betwe...

Page 14: ...for 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 electronic equipment leave at least 20 cm freespace 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 elect...

Page 15: ...y that it is at least 360 V and 360 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 installation and operation of the Centric a neutral line must always be connected to the UPS This neutral line must be connected at all times while the UPS is working and should not be disconnected a...

Page 16: ...it breakers on the feed board are in the OFF position Connect the rectifier ac input bypass ac 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 electrical board to which the UPS is connected affix a sign or label with the following content WARNING Th...

Page 17: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 11 200 kW model 100 kVA model 50 kVA model Figure 4 Main power terminals on the rear of the Centric ...

Page 18: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 12 Figure 5 Close up of the main terminals 200 kW model Figure 6 Close up of the main terminals 100 kW model ...

Page 19: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 13 Figure 7 Close up of the main terminals 50 kW model ...

Page 20: ...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 circuit breaker selectivity Connection of the Centric UPS to the electrical panels must be performed only by a licensed electrician experienced with similar systems Warning When two separate input lines are used for rectifier and bypass input the Neutral lin...

Page 21: ...AMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 15 Figure 8 Recommended standard system connections For recommended circuit breaker ratings see Table 2 page 17 and Table 3 page 18 ...

Page 22: ...ECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 16 Figure 9 Recommended system connections with input isolation transformer For recommended circuit breaker ratings see Table 2 page 17 and Table 3 page 18 ...

Page 23: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 17 Table 2 Maximum input currents ...

Page 24: ...CTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 18 Table 3 Recommended circuit breaker switch ratings Note If local electrical codes are stricter than the above recommendations the local codes take priority ...

Page 25: ...C ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 19 3 2 4 4 ATTACH THE CABLE STRESS RELIEVER Figure 10 Attaching the cable stress reliever Figure 11 Attaching the cable stress reliever another view ...

Page 26: ... main terminals of the battery cabinet Verify that you obtain values of 360 Vdc red and 360 black with reference to N blue 4 Connect each battery cabinet to a circuit breaker or switch with fuses according to Figure 12 The recommended fuse value for two battery cabinets is shown in Figure 12 according to the output capacity of the UPS The two switches or circuit breakers one for each battery cabin...

Page 27: ...IC INDUSTRIES LTD Centric Installation Guide rel 2 8 21 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 Bussmann FWH fuse ...

Page 28: ...ATED LIFETIME 20 C 100 30 C 50 40 C 25 3 2 5 Powering up the system 1 Refer to section 6 on page 46 for instructions on insertion of the power modules 2 Attach the LCD display screen to the top front of the Centric See section 7 on page 58 for instructions on how to attach the LCD display screen 3 Switch ON the external bypass input circuit breaker 4 Switch ON the Centric LCD panel 5 A series of s...

Page 29: ...y the Centric 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 1 On the Start screen press Next 2 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 Figur...

Page 30: ... choose 2 Then press Next Figure 15 Initial config 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 UPS when in battery mode to calculate the amount of backup time remaining If you are not sure of your batteries Ah capacity look at one of the batteries in the battery cabinet s The Ah rating is us...

Page 31: ...on Guide rel 2 8 25 5 Scroll through the list to find your time zone select the time zone then press Next Figure 17 Initial config wizard set time zone 6 Press Finish to exit the wizard Figure 18 Finish configuration wizard Continue with section 3 3 1 below ...

Page 32: ...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 alarm conditions 7 Perform a brief battery test to verify that the Centric is ready and able to operate in battery mode when needed To perform a battery test from the main menu choose Operation Battery test Test battery After 1 minut...

Page 33: ...enu select Setup Connectivity Network Configuration 2 Press the button labeled Obtain an IP address automatically The Centric software obtains an IP address and then reboots itself To assign an IP address manually 3 Press the button labeled Use static IP address The IP definition screen is displayed Figure 20 IP address configuration 4 You will have previously obtained from your network support pe...

Page 34: ... below no load values 3 Check and record the total system load output current and make sure that Centric is not overloaded with respect to system specifications 4 Verify that Centric is operating normally and that no alarms or fault indications are present 3 4 3 Check IP Communication with Controller This test is designed to verify that the System Controller is properly configured for communicatio...

Page 35: ...ons screen appears right click on Local Area Connection and select Properties Figure 22 Local Area Connection Properties screen c When the Local Area Connection Properties screen appears in the This connection uses the following items window scroll down to Internet Protocol TCP IP and double click on it ...

Page 36: ...ee groups of numbers in the IP address 192 212 118 in the above example are the same as those of the domain in which the UPS is installed and that the last number 31 in the above example is different it can be any number from 0 to 255 other than the one already assigned to the UPS e Click OK twice to complete the network connection 2 Open your browser on your notebook and enter the IP address of t...

Page 37: ...n the rear panel of the Centric These miscellaneous connectors are located in three locations which we will refer to as connector groups 1 2 and 3 These connector groups are shown in Figure 24 and close up views of the connectors are shown further on in the text where relevant 200 kW model 100 kW model 50 kW model Figure 24 Minor connector groupings on the Centric rear panel ...

Page 38: ...external 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 of the UPS on the external surface of the UPS in the connector groups labeled 1 and 2 in Figure 25 The dry contacts can be set up and configured at any time Refer to the Centric User Guide for de...

Page 39: ... Table 6 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 default can be reassigned not used RTX 4 COMMON GND not used 5 Low battery default can be reassigned not used not used 6 9 Remote panel not used not used ...

Page 40: ...ure 28 The EPO switch 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 includes a dry contact that closes when the EPO switch has been activated This dry contact can be connected to an optional trip coil on the battery box circuit breaker This will cause the ...

Page 41: ...process This is transparent to the system operator 5 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 load from the mains or from a secondary ac input source in the event of a problem with the inverter or an overload of the UPS Thus the static switch performs a very important function Figure 29 The...

Page 42: ...end 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 connection terminals Figure 30 below shows how to connect the parallel communication terminals for parallel operation of two and three Power units Be aware that when connecting one UPS to the other i...

Page 43: ... together When three or more Centric units are operated in parallel their current sharing terminals should be connected together as shown in Figure 31 for example connect the current sharing terminals on UPS X to those on UPS Y AND connect the current sharing terminals on UPS Y to those on UPS Z The parallel cable kit supplied by Gamatronic includes a prepared current sharing cable or cables Figur...

Page 44: ...l operation 5 1 3 1 EPO AND PARALLEL 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 disconnection of the parallel units MUST BE SIMULTANEOUS EPO wiring and switch rating must be 5 A 230 Vac ...

Page 45: ...les supplied in the cable kit Table 7 Cable sets for parallel configurations DESCRIPTION OF CABLE SET CATALOG NO Set of cables 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 between UPSs Keep this in mind when positioning the UPSs 2 In a parallel configur...

Page 46: ...ure 35 Closeup of the master jumper 4 The parallel UPSs must be connected to one another via their current sharing terminals see Figure 28 using the current sharing cable supplied in the cable kit see Table 7 above The kit includes cables for current sharing between two three or four Centric units in parallel Figure 36 Current sharing cable ...

Page 47: ...lt your distributor or sales agent to obtain the needed password 9 Now turn on the other parallel system or systems These will be the slave systems You can have up to four systems in a parallel configuration Once the master system has completed the start up process step 6 above the remaining systems slave systems can be switched on together Wait until they finish start up and verify that each syst...

Page 48: ...system in bypass mode Main menu Operation Transfer Transfer load to bypass 13 For each slave system compare the output voltage of each phase to that of the master system as you did above except that now the systems are in bypass mode Any voltage difference should be no greater than 2 Vac 14 Return all of the systems to inverter mode 15 Move the output circuit breaker of each UPS to the ON position...

Page 49: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 43 Figure 40 Connection diagram for two parallel Centric units ...

Page 50: ...G AMATRONIC E LECTRONIC I NDUSTRIES L TD Centric Installation Guide rel 2 8 44 Figure 41 Connection diagram for three parallel Centric units ...

Page 51: ...G AMATRONIC E LECTRONIC I NDUSTRIES L TD Centric Installation Guide rel 2 8 45 Figure 42 Connection diagram for four parallel Centric units ...

Page 52: ...system installation Replacement of a module in an installed system Addition of a module to an 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 in your system 8 for the 200 kW system 4 for the 100 kW system 2 for the 50 kW system the modules should be i...

Page 53: ...emoval of modules can still be accomplished safely 5 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 discharge 6 2 First time insertion of power modules at system installation When the installation instructions in section 3 2 call for it insert the power modules into the module she...

Page 54: ...GAMATRONIC ELECTRONIC INDUSTRIES LTD Centric Installation Guide rel 2 8 48 200 kW model 100 kW model 50 kW model Figure 44 Location of the UPS modules in the 200 100 and 100 kW models ...

Page 55: ...nsiderations 2 From the system main menu choose Operation 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 45 Turning off a module 200 kVA system 4 Press the Complete Shutdown button 5 To verify that the module has been shut down navigate to the module status screen M...

Page 56: ...d tap the Confirm button This sends the system s nominal values for voltage and frequency to the replacement module 10 Navigate to Status Modules and select the replacement module the modules are numbered from bottom to top Then tap the 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 ...

Page 57: ... the module You can now resume normal use of the UPS 6 4 Addition of a module in an installed system The ability to add a module to a system is an option available by special order The LCD screen images in this section are from a 200 kW system and show eight modules The screen for a 100 kW system shows four modules A 50 kW system will show two modules To add a module to an operational system 1 Ref...

Page 58: ...if any are intended to provide redundancy On the LDC control panel navigate to Setup System Number of modules Increase the total number of modules as required and indicate how many of the modules are intended to provide redundancy The Centric User Guide provides more information on redundancy A password is required to perform this function If you do not have the required password contact your dist...

Page 59: ...firmly to ensure proper seating of the module s rear connectors Fasten the module to the UPS frame with two screws type M5 conical one on the left and one on the right of the module face 7 Navigate to Setup System Nominal Settings and tap the Confirm button This sends the system s nominal values for voltage and frequency to the replacement module 8 Navigate to Status Modules and select the new mod...

Page 60: ...of the system nominal output voltage then 11 1 Navigate to Setup Modules Ac output voltage adjustment 11 2 Select the new module and adjust the problematic phases up or down as required 11 3 Return to step 1 and repeat the verification and adjustment process until the output voltage of each phase of the replacement module is within 2 of the system nominal value 12 Navigate to the main menu screen ...

Page 61: ...CD control panel from the main menu navigate to Setup System System type Determine the new capacity of the system by multipying the remaining number of modules by 25 kW For example if you remove one module from a 200 kW system 8 modules you have 7 modules left and should choose 175 kW as the new system type see Figure 55 and Figure 56 A password is required to perform this function If you do not h...

Page 62: ...of modules screen 4 From the system main menu choose Operation Turn on off Modules off 5 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 Figure 58 Turning off a module 6 Press the Complete Shutdown button 7 To verify that the module has been shut down navigate to the module status screen Main screen ...

Page 63: ...ut of the shelf Be prepared for the fact that when the module is completely pulled out its weight will no longer be supported by the shelf and will be fully in the hands of the two workers Before you take the module out of the shelf have a place where to lay it down after it is removed 10 Navigate to the main menu screen If the yellow triangular alarm indicator is visible check the alarms and see ...

Page 64: ...gure 63 Screen holder exploded front view 1 The screen holder attaches to the mounting post by way of its bottom portion which forms a clamp The clamp consists of two pieces one on each side of the screen holder 2 One side of the clamp has a long bolt projecting from it This bolt should be inserted through the middle part of the screen holder and through the other side piece 3 A thumb screw fasten...

Page 65: ...el The push button panel provides only the most basic functionality 1 When the Centric is OFF pressing the Enable button turns the Centric ON The button is recessed to prevent accidental use 2 The Inv Byp button toggles the load from bypass to the inverter and from the inverter to bypass 3 Pressing the UPS Off button for ten seconds turns the Centric OFF The UPS Off button is located on the top fr...

Page 66: ...mal 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 specific limit Magnetic tripping can include a deliberate delay depending on the design of the specific circuit breaker chosen Thermal tripping responds with a delay to lower level longer term cur...

Page 67: ...to 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 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 rec...

Page 68: ... an Automatic Transfer Switch ATS Because these two sources are not usually synchronized switching between them requires an interval of at least 10 seconds Figure 67 illustrates the timing factors involved when using an ATS For proper functioning of the UPS the values used for T3 and T4 must be greater than 10 seconds The optimum delay times can be revealed with a little testing and may vary from ...

Page 69: ... is the reserve source The timing variables T1 through T5 are described in Figure 67 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 The ATS can be set to use the reserve source The ATS can be set to automatic mode which will use the normal source and will automatically switch to the reserve source in the event of a failure of...

Page 70: ...g a mutually 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 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 agree...

Page 71: ...______________________________________ 3 Environmental Inspection Environmental temperature ________ C Ventilation OK Not OK Air conditioning Yes No Comments _________________________________________________________________________________ 4 Display Panels LCD Display OK Not OK Comments ____________________________ LEDs OK Not OK Comments ____________________________ 5 Voltages Verify that display...

Page 72: ...nstant stable load Measured value ____ Vac Measure the voltage between Neutral and Ground at the bypass input The value should be no greater than 5 Vac Use a calibrated voltmeter to measure the rectifier input voltages Record the readings in the table below Compare your readings with the console display of the rectifier input voltage If the readings differ the UPS s input voltage measurement may r...

Page 73: ...OR HAZARDOUS WASTE CENTER Use a power resistor of 0 5 Ω 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 be no less than 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 Bad Batt no Good Bad Batt no Good Bad Batt no Good...

Page 74: ...ustomer and Gamatronic In regards to service oral agreements have no standing Service shall be provided gratis during the warrantee period on the condition that the UPS has been properly maintained and a written record has been kept of any maintenance performed on the system The initial warrantee period can be extended by a written service agreement between Gamatronic and the customer Without a wr...

Page 75: ... 30 s Bypass mode 125 10 min 1000 1 cycle Waveform Sinusoidal THD Linear load 2 non linear load 6 Load CF max 6 1 Power factor Any Ac Ac efficiency nominal Up to 96 Batteries Dc link voltage Vdc 405 Quantity 60 12 Vdc Type Sealed lead acid Lithium ion batteries also supported General Maximum power dissipation Po 25 kW N 1041 W N 3552 BTU h where N modules Ambient temperature C 10 to 40 operating 2...

Page 76: ... bypass Battery test failure Over under temperature Overload Each system alarm type can be routed to the dry contact of your choice Communication ports Serial Ethernet USB Communication protocols RS232 RS485 TCP IP SNMP Modbus Communications with system modules Serial isolated Events log 500 events System operation without controller Unchanged On screen parameters Load bar graph 3 phase voltages 3...

Page 77: ... systems for Telecom Dc to Ac Inverters Dc to Dc Converters Frequency Converters Battery Chargers Power Management Solutions Headquarters and Factory 17 Hartom Street POB 45029 Jerusalem 9177517 Israel Gamatronic Singapore Sales Office email singapore gamatronic co il 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 4...