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GE Digital Energy 

Power Quality 

 
 

 

 
 
 
 

User Manual 

Uninterruptible Power supply 

SG Series 225 & 300 

225 & 300 kVA   /   480Vac UL   /   S2 

 
 
 
 
 
 
 

GE Consumer & Industrial SA 

General Electric Company 
CH – 6595 Riazzino (Locarno) 
Switzerland 
T +41 (0)91 / 850 51 51 
F +41 (0)91 / 850 52 52 

 

 

 
 
 

 
 

 

 

imagination at work 

 

Summary of Contents for SG 225

Page 1: ...Uninterruptible Power supply SG Series 225 300 225 300 kVA 480Vac UL S2 GE Consumer Industrial SA General Electric Company CH 6595 Riazzino Locarno Switzerland T 41 0 91 850 51 51 F 41 0 91 850 52 52...

Page 2: ...ion contained in this publication is intended solely for the purposes indicated The present publication and any other documentation supplied with the UPS system is not to be reproduced either in part...

Page 3: ...information and describes all you need to know about the use of the UPS Thank you for choosing GE START UP AND COMMISSIONING A GE Global Services Field Engineer must perform start up and commissioning...

Page 4: ...sses or damages resulting from the use of the information contained in this document WARNING SG Series 225 300 is a product that needs to be installed by a licensed and knowledgeable contractor We rec...

Page 5: ...4 3 4 Synchronization 17 4 3 5 Load sharing 17 4 4 RECTIFIERS PARALLELED ON THE SAME BATTERY 18 4 5 RECYCLING AT THE END OF SERVICE LIFE 19 5 CONTROL PANEL 20 5 1 CONTROL PANEL 20 5 2 TABLE OF FUNCTI...

Page 6: ...connect a UPS unit to a Parallel System 67 7 2 6 Complete Parallel System shutdown 69 7 2 7 Restore to normal operation after Load Off 71 7 2 8 Restore to normal operation after EPO Emergency Power Of...

Page 7: ...ssembling are correctly reattached This UPS is intended for use in a controlled indoor environment free of conductive contaminants and protected against animals intrusion WARNING HIGH EARTH LEAKAGE CU...

Page 8: ...attery cabinet 2 Tools must have insulated handles and must be insulated so that they will not short battery terminals Do not allow a tool to short between individual or separate battery terminals or...

Page 9: ...llowing symbols are defined WARNING if instruction is not followed injury or serious equipment damage may occur CAUTION internal parts have dangerous voltage present Risk of electric shock PE Earth GN...

Page 10: ...6 18 21 10 22 11 Fig 2 1 2 SG Series 225 300 general view with open doors 0 OFF Q2 I ON Q1 I ON 0 OFF SGS_225 300_S2_Switches Q1 Q2_01 Fig 2 1 3 Manual operated switches Fig 2 1 4 Control panel P4 Cus...

Page 11: ...ther UPS in the market With today s trend toward power factor corrected loads SG Series 225 300 can support more total Load than any other UPS available allowing you to support a greater number of tod...

Page 12: ...converts the DC voltage into a three phase AC voltage with constant amplitude and frequency which is completely independent and isolated from the AC input voltage Automatic Bypass The Automatic Bypas...

Page 13: ...ration Mode is selected and the Utility Power is available the Load is normally powered through the Automatic Bypass When the Utility Voltage is detected out of the prescribed tolerances the Load is a...

Page 14: ...4 3 When a Battery low warning occurs on a unit not necessary to support the present load this unit will shut down after a timeout period selectable The Load is shared between the other units As the w...

Page 15: ...arm condition will be initiated A Manual Bypass operator initiated will not be considered as an alarm condition Fig 4 2 5 1 Block diagram Automatic Bypass In case of parallel operation Each unit has i...

Page 16: ...pacity Several units can be paralleled in order to achieve output power greater than the maximum power of a single unit The maximum total power shared between the paralleled units is equal to the tota...

Page 17: ...own function and operational status and communicates with all other modules in order to act or react if necessary adapting it to the new conditions 4 3 4 Synchronization All units are identical but on...

Page 18: ...e prepared in advance before the installation The installation must be performed only with the UPS system must be completely shut down The AC Rectifiers input power 5 must be the same with clockwise p...

Page 19: ...rules It does not contain CFCs chlorofluorocarbons or HCFCs hydrochlorofluorocarbons RECYCLING AT THE END OF SERVICE LIFE GE in compliance with environment protection recommends to the User that the U...

Page 20: ...ront door acts as the UPS user interface and comprises of the following elements Back lit Graphic Display LCD with the following characteristics Multilanguage communication interface English German It...

Page 21: ...NOTE Inverter OFF command is disabled when eBoost Operation Mode is enabled Key Load Off The key Load Off is protected by a transparent cover By pressing it you immediately separate the UPS from the...

Page 22: ...D is also lit when the load is not protected by UPS or in case Q1 is open LED Operation green color When lit indicates that the UPS is functioning correctly and the load is system protected Load suppl...

Page 23: ...s to specific requirements and to view UPS identification data See Section 6 4 CMDS COMMANDS Allows the user to execute UPS operation commands See Section 6 5 The LCD screen after 5 minutes of inactiv...

Page 24: ...vel between 26 and 50 LED A B Indicate a load level between 51 and 75 LED A B C Indicate a load level between 76 and 100 LED A B C D Indicate a load level between 101 and 124 LED D blinking Indicates...

Page 25: ...Min Battery data screen V The battery voltage I The battery current negative values correspond to the discharge of the battery T The temperature of the battery SENSOR DISABLE indicates sensor disabled...

Page 26: ...Q2 close LOAD ON INVERTER Q1 OPEN LOAD ON BYPASS LOAD OFF LOAD ON BYPASS eBoost ON BATTERY Home Meter SYSTEM LOAD L1 44 8 kW 49 8 kVA PF 0 90 L2 35 8 kW 39 8 kVA PF 0 90 L3 26 9 kW 29 9 kVA PF 0 90 LO...

Page 27: ...hours This counter is displayed only when eBoost Operation Mode is available option Home Meter BATTERY DISCHARGE COUNTERS Residual Charge Level 100 81 81 51 50 21 20 0 15 7 3 1 On Battery Time h 15 St...

Page 28: ...an 3 seconds The events displayed are the standard GE events as described in the Section 6 3 1 EVENTS Alarms and Messages Home Alarm ALARM LEVEL 1 USER LEVEL 2 SERVICE V Alarms screen LEVEL 1 USER Chr...

Page 29: ...FAILURE The parallel communication bus system is subject to high errors rate on channel JA 4007 BUS JB CRC FAILURE The parallel communication bus system is subject to high errors rate on channel JB 40...

Page 30: ...urrent limiting mode Decrease the load to stabilize DC Bus 4130 TURN ON RECT OR SHUTDOWN UPS Rectifier and Inverter are OFF The DC Power Supply is discharging the Battery Rectifier must be restarted o...

Page 31: ...c Bypass 4405 K6 OPENING FAILURE K6 closed despite an opening command being issued Signaled by auxiliary contact 4406 SSM FAILURE A faulty current has been detected in the static switch causing the op...

Page 32: ...ivated by Service Center 4698 BATTERY POWER INSUFFICIENT In case of Utility Failure with the actual Load the run time would be below stop operation time default 3 minutes 4700 DC LOW Battery voltage i...

Page 33: ...1 RECTIFIER ON Rectifier started 4162 RECTIFIER OFF Rectifier shutdown 4163 GENERATOR ON Customer Interface Board X1 11 22 received a Gen set ON signal Operating mode depend on setting of Parameters 4...

Page 34: ...o synchronize with Utility 4583 COMMAND TO SYNCHRONIZE Command to synchronize with Utility 4600 COMMAND UPS ON The eBoost Operation Mode has been disabled or the programmed time is expired The UPS ret...

Page 35: ...below 10 or above 80 Test is postponed for 1 week 4763 REMOTE CONTROL ON Inverter can be started or shutdown by remote control Commands source can be chosen depending on the value of parameter Servic...

Page 36: ...__ __ Series No UPS rating kVA Customer Place Date Sent by 1 Record the exact UPS status on the panel when the failure appeared 2 On the LCD panel enter the alarms mode and record the alarms messages...

Page 37: ...set or modify the parameters ESC Allows to exit a selected screen without making any modification U Scrolls backward to the previous line V Scrolls forward to the next line Allows to access a value t...

Page 38: ...Y N the remote control through modem calls by using this parameter For modem connection the default setting is for serial port J3 on Customer Interface Init This parameter presents the modem initiali...

Page 39: ...ols the baud rate used for data transmission Parity This parameter controls the parity used for data transmission Odd O even E and No Parity NO can be selected In case No Parity NO has been set automa...

Page 40: ...the week the Y N parameter is automatically disabled if this condition is not satisfied In case this minimum time in VFI Operation Mode is not respected the eBoost Operation Mode will be disabled If t...

Page 41: ...n Mode during the night and week end If the eBoost Operation Mode must be enabled all nights d3 Monday d7 Friday between 18 00 in the evening and 06 00 of the following morning and during all Saturday...

Page 42: ...of weekday d3 Monday has no effect as it is followed by the eBoost STOP time of weekday d4 Tuesday It can be without change of meaning any time between 18 00 and 23 59 Similarly the eBoost Operation...

Page 43: ...INVERTER ON Command to switch the inverter INVERTER OFF Command to shutdown the inverter RECTIFIER ON Command to switch the rectifier Only for Service Center the command access is protected by a code...

Page 44: ...tility to the UPS Open only the front door do not remove any panels Check after every step for correct reaction of the UPS LED s on the panel and correct voltage and current measurements before you pr...

Page 45: ...Rectifier OK LED 2 Utility Bypass OK LED 3 Rectifier ON LED 4a Discharging Battery LED 4b Charging Battery LED 5 Inverter available LED 6 Inverter ON LED 7 Q1 closed LED 8 Automatic Bypass ON LED 9 Ma...

Page 46: ...rameter ESC Re establish default value Modify or insert the selected value Save the configuration of set parameters Configuration DISPLAY CONFIGURATION Select language ENGLISH ESC DISPLAY CONFIGURATIO...

Page 47: ...t charge 2 23Vdc for cell 240 cells x 2 23Vdc 535Vdc Open battery with boost charge 2 23 2 35 boost charge Vdc for cell 232 cells x 2 23Vdc 518 545 Vdc Recharge current Maximum battery recharge curren...

Page 48: ...the Inverter by pressing the Inverter ON I key Soft start of Inverter indicated with blinking LED 5 Inverter available At the end of Soft start the LED 5 Inverter available remains lit Automatic trans...

Page 49: ...rter supplying the Load the UPS Output Switch Q1 is closed Pos I and the Manual Bypass Switch Q2 option is open Pos O The External Battery Switch or Fuses are closed Pos I The Synoptic Diagram must di...

Page 50: ...ned Press the MUTE key to reset the alarm buzzer The Synoptic Diagram must display the status LOAD SUPPLIED BY MANUAL BYPASS Q2 4 Disconnect the Battery from the UPS by opening Pos O the External Batt...

Page 51: ...ass Q2 option 1 If not already supplied separate Utility Inputs switch ON the Utility power to the Rectifier input 2 Close the UPS Output Switch Q1 Pos I Load is now supplied parallel through Automati...

Page 52: ...rns OFF The Synoptic Diagram must display the status LOAD SUPPLIED BY AUTOMATIC BYPASS 5 Insert the Inverter by pressing the Inverter ON I key Soft start of Inverter indicated with blinking LED 5 Inve...

Page 53: ...S Rectifier and Inverter are shut down all output and input Contactors will be opened LED 3 Rectifier ON LED 5 Inverter available and LED 10 Load on UPS are OFF LED Alarm is lit and the LED Operation...

Page 54: ...mmands COMMANDS RESET TOTAL OFF REQUEST LOAD OFF V 1 Reset Load Off Restore the command Load Off by entering the screen COMMANDS RESET TOTAL OFF The Load is supplied by the Utility through the Automat...

Page 55: ...s lit 1 Reset the EPO Emergency Power Off button Press the MUTE key to reset alarm and acoustical alarm LED Alarm remains lit 2 Press the Inverter OFF O key Load is transferred to Utility by Automatic...

Page 56: ...switch option LED 1 Utility Rectifier OK LED 2 Utility Bypass OK LED 3 Rectifier ON LED 4a Discharging Battery LED 4b Charging Battery LED 5 Inverter available LED 6 Inverter ON LED 7 Q1 closed LED 8...

Page 57: ...rameter ESC Re establish default value Modify or insert the selected value Save the configuration of set parameters Configuration DISPLAY CONFIGURATION Select language ENGLISH ESC DISPLAY CONFIGURATIO...

Page 58: ...t charge 2 23Vdc for cell 240 cells x 2 23Vdc 535Vdc Open battery with boost charge 2 23 2 35 boost charge Vdc for cell 232 cells x 2 23Vdc 518 545 Vdc Recharge current Maximum battery recharge curren...

Page 59: ...LED 3 Rectifier ON must remain lit thus indicating that the DC Link has reached floating voltage 540Vdc 4 Repeat the procedures 2 and 3 for each next Unit When closing UPS output switch Q1 on the last...

Page 60: ...tic Diagram of first unit Synoptic Diagram of other units 7 Load supply SG Series 225 300 Parallel System is now running supplying power to the output Insert the Loads one by one to the output of the...

Page 61: ...e Manual Bypass Switches Q2 option are open Pos O The External Battery Switch or Fuses are closed Pos I The Synoptic Diagram on all UPS units must display the status LOAD SUPPLIED BY INVERTER 1 Discon...

Page 62: ...Contactors are opened The Synoptic Diagram on all UPS units must display the status LOAD SUPPLIED BY MANUAL BYPASS Q2 Synoptic Diagram of first unit Synoptic Diagram of other units 4 Disconnect the B...

Page 63: ...m are lit Initial status Load supplied from all Manual Bypass Q2 of the Parallel System All Manual Bypass Switches Q2 of the Parallel System are closed 1 If not already supplied separate utility input...

Page 64: ...agram of other units 6 Insert the Inverter by pressing the Inverter ON I key on first unit Soft start of Inverter indicated with blinking LED 5 Inverter available At the end of Soft start the LED 5 In...

Page 65: ...Redundant Parallel System 1 Disconnect the Inverter by pressing the Inverter OFF O key and hold until the LED 5 Inverter available turns OFF on the Unit to separate With redundant system pressing the...

Page 66: ...parate Synoptic Diagram of other units 4 Disconnect the Battery on the Unit to separate by opening Pos O the External Battery Switch or Fuses Wait 5 minutes for DC Link Capacitors discharge 5 Disconne...

Page 67: ...rectly The protection panels are fastened in their correct position The UPS Output Switch Q1 Manual Bypass Switch Q2 option and the External Battery Switch or Fuses must be open Pos O 1 Switch ON the...

Page 68: ...ration the LED 3 Rectifier ON must remain lit thus indicating that the DC Link has reached floating voltage 540Vdc 4 Insert the Inverter by pressing the Inverter ON I key on the Unit to reconnect The...

Page 69: ...ng the Load the UPS Output Switches Q1 and the External Battery Switch or Fuses are closed Pos I and the Manual Bypass Switches Q2 option are open Pos O Initial status Load supplied from all Inverters...

Page 70: ...l Battery Switch or Fuses Wait 5 minutes for DC Link Capacitors discharge 4 Disconnect the Utility supply on all Units Complete power shutdown will OFF the LCD Display Panel Synoptic Diagram of first...

Page 71: ...its after pressing the Load Off key All Contactors are open Rectifier Inverter and Static Switch shutdown LED Alarm is lit Home Commands COMMANDS RESET TOTAL OFF REQUEST TOTAL OFF V 1 Reset Load Off o...

Page 72: ...iagram of other units 3 Insert the Inverter by pressing the Inverter ON I key on all other units Do not start the next Inverter until the sequence of the previous ends Soft start of Inverter indicated...

Page 73: ...fter activation of EPO Emergency Power Off with Utility available All Contactors are open Rectifier Inverter and Static Switch shutdown LED Alarm is lit 1 Reset the EPO Emergency Power Off button Pres...

Page 74: ...sert the Inverter by pressing the Inverter ON I key on all other units Do not start the next Inverter until the sequence of the previous ends Soft start of Inverter indicated with blinking LED 5 Inver...

Page 75: ...ke timely decisions in case of changing critical conditions With comprehensive data collection and analysis IRIS is not only a remote monitoring diagnostics RM D system but the core of the integrated...

Page 76: ...at one end with a D female plug 25 pin J2 P4 Customer Interface Board NOTE The alarms on free potential contacts can be connected on terminals X1 instead J2 see correlation X1 J2 in Section 4 1 of th...

Page 77: ...ng during normal operation the unit has not been serviced for the last 20 000 hours by a GE trained technician We highly recommend that you contact your Service Center for preventive maintenance work...

Page 78: ...at least 12 hours every 3 months If not the Battery may be permanently damaged 9 1 6 UPS room conditions and temperature The UPS room and the Battery Room have to be maintained clean and free from dus...

Page 79: ...User Manual SG Series 225 300 UL S2 10 NOTES 10 1 NOTES FORM It is recommended to note in this section Notes with date and short description all the operations performed on the UPS as maintenance comp...

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