GE SG 750 UL S2 Series Installation Manual
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GE SG 750 UL S2 Series Installation Manual

GE SG 750 UL S2 Series Installation Manual

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GE Digital Energy
Power Quality
Installation Guide
Uninterruptible Power supply
SG Series 750 UL S2
SG Series 750 T12 UL S2
750 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
www.gepowerquality.com
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Summary of Contents for GE SG 750 UL S2 Series

  • Page 1 Uninterruptible Power supply SG Series 750 UL S2 SG Series 750 T12 UL S2 750 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 www.gepowerquality.com...
  • Page 2 The present publication and any other documentation supplied with the UPS system is not to be reproduced, either in part or in its entirety, without the prior written consent of GE. The illustrations and plans describing the equipment are intended as general reference only and are not necessarily complete in every detail.
  • Page 3 START UP AND COMMISSIONING A GE GLOBAL SERVICES FIELD ENGINEER must perform start-up and commissioning of the UPS. Please Contact GE. GLOBAL SERVICES at least two weeks prior to schedule start-up and commissioning at 1-800-637-1738, or by E-mail at pqservice@ge.com...
  • Page 4 While every care has been taken to ensure the completeness and accuracy of this manual, GE assumes no responsibility or liability for any losses or damages resulting from the use of the information contained in this document.

  • Page 5: Table Of Contents

    Table of contents Page IMPORTANT SAFETY INSTRUCTIONS ......................6 LAYOUT................................9 LAYOUT SG Series 750 & SG Series 750 T12 ..........................9 INVERTER CABINET LAYOUT SG Series 750 & SG Series 750 T12 ..................9 RECTIFIER CABINET LAYOUT SG Series 750 & SG Series 750 T12................. 10 INSTALLATION...............................

  • Page 6: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for models SG Series 750 & SG Series 750 T12 that should be followed during installation and maintenance of the UPS and battery. GENERAL Move the UPS in an upright position in its original package to the final destination room. To lift the cabinets, use a forklift or lifting belts with spreader bars.
  • Page 7 Safety instructions when working with battery EXTERNAL BATTERY MUST BE INSTALLED AND CONNECTED TO THE UPS BY QUALIFIED SERVICE PERSONNEL. INSTALLATION PERSONNEL MUST READ THIS ENTIRE SECTION BEFORE HANDLING THE UPS AND BATTERY. DANGER! Full voltage and current are always present at the battery terminals. The battery used in this system can provide dangerous voltages, extremely high currents and a risk of electric shock.
  • Page 8 Safety symbols and warnings Safety warnings The text of this manual contains some warnings to avoid risk to the persons and to avoid damages to the UPS system and the supplied critical loads. The non-observance of the warnings reminding hazardous situations could result in human injury and equipment damages.

  • Page 9: Layout

    LAYOUT LAYOUT SG Series 750 & SG Series 750 T12 Fig. 2.1-1 SG Series 750 & SG Series 750 T12 general view INVERTER CABINET LAYOUT SG Series 750 & SG Series 750 T12 Fig. 2.2-1 Inverter cabinet general view Modifications reserved Page 9/49 OPM_SGS_ISG_M75_M75_2US_V010.doc Installation Guide SG Series 750 UL S2 &...

  • Page 10: Rectifier Cabinet Layout Sg Series 750 & Sg Series 750 T12

    RECTIFIER CABINET LAYOUT SG Series 750 & SG Series 750 T12 Fig. 2.3-1 Rectifier cabinet general view Fig. 2.3-2 Rectifier cabinet general view with open doors Opening for top cable entry (*) Opening bottom cable entry (*) Bus bars for Utility input and Load output Bus bars for external Battery connection...

  • Page 11: Installation

    INSTALLATION TRANSPORT The two cabinets of the UPS are packaged on a pallet suitable for handling with a forklift. Pay attention to the center of gravity. The cabinets must be moved in upright position. Do not tilt cabinets more than +/- 10° during handling. Move each cabinet in it’s original package to the final destination site.
  • Page 12 Crane Crane If the packed UPS cabinets have to be lifted by crane, use suitable carrying belts taking note of the CENTER OF GRAVITY marked on the package. Take all necessary precautions to avoid damage to the cabinet while hoisting the UPS. WARNING ! PLEASE DO NOT LIFT UNPACKED UPS CABINETS...

  • Page 13: Dimensions And Weight

    3.1.1 Dimensions and weight Fig. 3.1.1-1 SG Series 750 & SG Series 750 T12 cabinet dimensions SG Series 750 & SG Series 750 T12 UPS dimensions (W x D x H) SG Series 750 & SG Series 750 T12 146.5x35.4x76.8 inches (3720x900x1950 mm) SG Series 750 &...

  • Page 14: Delivery

    DELIVERY When delivered, inspect the package integrity and the physical condition of the cabinets carefully. In case of any damage sustained during transport, immediately inform the carrier and contact your local Service Center. Do not accept damaged equipment, please contact your Service Center. A detailed report of the damage is necessary for any insurance claim.

  • Page 15: Place Of Installation

    PLACE OF INSTALLATION 3.4.1 UPS location NOTE ! A QUALIFIED ELECTRICAL CONTRACTOR must carry out the installation and cabling of the UPS. It is important to have a clean, dust-free environment provided with proper ventilation and air- conditioning to keep the ambient temperature within the specified operating range. The recommended air inlet temperature is from 68°F (20°C) to 77°F (25°C) (max.
  • Page 16 SG Series 750 & SG Series 750 T12 openings for input and output cable connections SG Series 750 & SG Series 750 T12 openings are provided on the top and the bottom of the rectifier cabinet for the connection of input and output cables. Pay attention to the position of these openings, when choosing the placement of the UPS.

  • Page 17: Battery Location

    In case of parallel system, try to place the UPS modules in sequence of their numbers (marked on the packing). If the units are positioned “side by side”, the side panels must be mounted on all units. 3 - 4 - 5 - 6 UPS 2 UPS 1 Fig.

  • Page 18: Ventilation And Cooling

    VENTILATION AND COOLING The heat produced by the UPS is transferred to the environment by its ventilation. Air inlets for UPS ventilation are located on the front and bottom of the UPS, while air outlets are on top of the cabinet. A suitable ventilation or cooling system must be installed to extract the heat from the UPS room.

  • Page 19: Unpacking

    For parallel systems, the delivery also includes the bus control cables for inter- connecting the UPS modules. Packing material recycling GE, in compliance with environment protection, use only environmentally friendly material. UPS packing materials must be recycled in compliance with all applicable regulations.

  • Page 20: Inter Cabinet Connections

    INTER CABINET CONNECTIONS 3.7.1 Cabinets positioning and interconnection NOTE ! The inverter cabinet and rectifier cabinet must be installed on leveled floor. SG Series 750 & SG Series 750 T12 unit, in standard version, are delivered split into two cabinets. Align them together with the rectifier cabinet on the right side (cabinet with control panel).

  • Page 21: Bus Bars Interconnection

    3.7.2 Bus bars interconnection WARNING ! All the inter cabinet wiring must be performed by QUALIFIED SERVICE PERSONNEL only. Inverter cabinet Rectifier cabinet SGS_750_S2_UPS connection cabinets_GE_01US Fig. 3.7.2-1 Bus bars interconnections Connection Type Connection Description of connection Type (medium of connection) (See Fig.
  • Page 22 Type 1 Bolt M10x35 M10 Spring Washer M10 Flat Washer Bus Bar Pre Fixed Nut Type 2 SG Series 750 SG Series 750 T12 Bolt M10x35 M10 Spring Washer M10 Flat Washer Torque Specifications Bus Bar Bus bar/Flexi-bar To Bus bar (Inter Cabinet) Bypass/Inverter Pre Fixed Nut output/Neutral/DC/Earthing...

  • Page 23: Control Cables Interconnection

    3.7.3 Control cables Interconnection WARNING ! All the inter cabinet wiring must be performed by QUALIFIED SERVICE PERSONNEL only. Inverter cabinet Rectifier cabinet SGS_750_S2_UPS connection cabinets_GE_02US Fig. 3.7.3-1 Control cables interconnection Pos. Connection Already connected on Connecting to Female Molex connectors Inverter cabinet Rectifier cabinet H8, H9, H10...

  • Page 24: Electrical Wiring

    ELECTRICAL WIRING WARNING ! UPS installation and connection must be performed by QUALIFIED SERVICE PERSONNEL only. It is the responsibility of the installation technician to ensure that all local and national electric codes are adhered to. 3.8.1 Utility input connection NOTE ! Ensure that the AC and DC external circuit breakers are OFF and locked out to prevent their inadvertent operation.

  • Page 25: Input/Output Over Current Protection And Wire Sizing

    3.8.2 Input/output over current protection and wire sizing The cabling of the UPS system has to be sized according to the UPS power rating. Sizing of circuit breakers, fuses and cables for Input Utility, Output Load and Battery must meet the requirements of local and national electrical codes.

  • Page 26: Battery Over Current Protection And Wire Sizing

    3.8.3 Battery over current protection and wire sizing Please read the safety precautions at the front of this guide carefully, and thoroughly review the Battery • manufacturers installation and maintenance manual before connecting the batteries to the UPS. If the UPS system has been purchased with an accompanying Battery Cabinet, that cabinet should •...
  • Page 27 NEC SECTION 210-20 (a) Table 310-16. Allowable Ampacities of Insulated Conductors Rated O Through 2000 Volts, 60°C Trough 90°C (140°F Trough 194°F) Not More than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried), Based on Ambient Temperature of 30°C (86°F). Temperature Rating of Conductor (See table 310-13) Size 60°C (140°F)

  • Page 28: Wiring Connection

    WIRING CONNECTION WARNING! UPS installation and connection must be performed by QUALIFIED SERVICE PERSONNEL ONLY. 3.9.1 Power connections Carefully read the following recommendations before proceeding: • Ensure that the AC and DC external circuit breakers are OFF and locked out to prevent their inadvertent operation.
  • Page 29 CAUTION ! Panel “A and B” should never be removed or replaced with power applied to the UPS. These panels are in close proximity to 480V live buss bars. Always disconnect the rectifier, bypass, load and battery sources from the UPS before removing or replacing these panels.
  • Page 30 TERMINAL LUGS FOR FIELD WIRING CONNECTIONS Provided for cable connections. SG Series 750 & SG Series 750 T12 Rating Connection type Component Allowed cable sizes Torque Rectifier Input 5 x 500 MCM 428 LB-in Neutral Bypass Input Use only UL LISTED components. Bypass Input 4 x 500 MCM 428 LB-in...

  • Page 31: Power Connection With Common Input Utility

    3.9.2 Power connection with common input utility Typical installation using After cable connections to the common NEMA two hole lugs bus bars are done, the PHASE BARRIER NOMEX SHEET must be screwed onto the bus bars wit 2 bolts M4x10 PE Input Utility PE Load LOAD...
  • Page 32 NOTE ! This UPS is only designed to operate in a wye-configured electrical system with a solidly grounded neutral. The UPS cannot be operated from a mid-point or end-point grounded delta supply source. If the Load requires a Neutral, a Bypass Source Neutral MUST BE PROVIDED. If no Neutral Connection is available with the Bypass Input (3-wire input + ground) and the Load does not require a Neutral, solidly connect the Output Neutral of the UPS to ground with a ground bonding jumper.

  • Page 33: Power Connection Dual Input Utility (Option)

    3.9.3 Power connection dual input utility (option) Typical installation using After cable connections to the common NEMA two hole lugs bus bars are done, the PHASE BARRIER NOMEX SHEET must be screwed onto the bus bars wit 2 bolts M4x10 PE Input Utility PE Load LOAD...
  • Page 34 NOTE ! This UPS is only designed to operate in a wye-configured electrical system with a solidly grounded neutral. The UPS cannot be operated from a mid-point or end-point grounded delta supply source. If the Load requires a Neutral, a Bypass Source Neutral MUST BE PROVIDED. If no Neutral Connection is available with the Bypass Input (3-wire input + ground) and the Load does not require a Neutral, solidly connect the Output Neutral of the UPS to ground with a ground bonding jumper.
  • Page 35 Notices for installation BR1, BR2 and BR3 MUST BE REMOVED In case of dual input utility Fig. 3.9.3-3 SG Series 750 & SG Series 750 T12AC bus bars BR1, BR2 and BR3 For separate Bypass and Rectifier input configuration AC bus bars BR1, BR2 and BR3 MUST BE REMOVED.

  • Page 36: Battery And External Battery Breaker Connection

    3.9.4 Battery and External Battery Breaker connection Typical installation using common NEMA two hole lugs Fig. 3.9.4-1 SG Series 750 & SG Series 750 T12 power connections Battery Use M12x35 bolts for the cable connections on BATTERY power wiring Bus Bars. Battery Cable Terminations are to the Positive and Negative Terminals as shown above.

  • Page 37: Interface To External Bypass For Single Unit

    3.9.5 Interface to External Bypass for single unit If the UPS system is equipped with an External Maintenance Bypass Switch, connect the NO (Normally Open) voltage free auxiliary contact from the External Bypass Switch to X4 - 1, 2 of P27 – IM0108 - Interface for External Bypass inserted in the Connectivity Rack.

  • Page 38: Setup For Sg Series 750 & Sg Series 750 T12 Intended To Be Operated In Eboost™ Operation Mode

    3.9.7 Setup for SG Series 750 & SG Series 750 T12 intended to be operated in eBoost™ Operation Mode NOTE ! For systems intended to be operated in eBoost™ Operation Mode, the installation shall be protected with suitable surge protection devices (SPDs) on the AC bus feeding the UPSs.

  • Page 39: Rpa Parallel System Connection

    3.10 RPA PARALLEL SYSTEM CONNECTION WARNING ! This operation must be performed by QUALIFIED SERVICE PERSONNEL ONLY before the initial start-up. ENSURE THAT THE UPS INSTALLATION IS COMPLETELY POWERED DOWN. 3.10.1 Power wiring of parallel units To guarantee good Load sharing between the units of a Parallel System, we recommend that the cable length from the input distribution board (5) to the output distribution board (9) is equal for each unit (a+b = c+d = e+f = g+h = i+l = m+n).

  • Page 40: Parallel Control Bus Connection

    3.10.2 Parallel control bus connection In cases of parallel operation, the communication between the units takes place through the control bus cables. Each parallel unit is equipped with an additional board “P13 – RPA Board“ where the connectors J52 (A) and J62 (B) are located.
  • Page 41 SGS_750_RPA-IM0048_02 Fig. 3.10.2-2 Bus connection on terminal units Terminal units On the parallel bus PCB “P34 – Bus Interface (IM0048)”, of the first and last units (terminal) of the parallel system the Jumpers JP1, JP2, JP3 and JP4 MUST BE INSERTED. SGS_750_RPA-IM0048_03 Fig.

  • Page 42: Control Bus Cable Location

    3.10.3 Control bus cable location WARNING ! This operation must be performed by QUALIFIED SERVICE PERSONNEL ONLY before the initial start-up. ENSURE THAT THE UPS INSTALLATION IS COMPLETELY POWERED DOWN. Access control connection. control connection between parallel units must be made on the electronic module “P34 –...
  • Page 43 It is important that the cable JA must be the same length as cable JB. WARNING ! Connection and commissioning of an additional UPS to an existing parallel system, Service Center. must be performed by a GE SERVICE ENGINEER from of your Modifications reserved Page 43/49 OPM_SGS_ISG_M75_M75_2US_V010.doc...

  • Page 44: Customer Interface

    CUSTOMER INTERFACE Connectivity Rack CR1 and CR2 SG Series 750 & SG Series 750 T12 are delivered with 2 Connectivity Rack (CR1 and CR2). Connectivity Rack with Customer Interface (see Section 4.1) Connectivity Rack for additional Customer Interface (option) WARNING ! The installation of the option “Additional Customer Interface”...

  • Page 45: Customer Interface

    CUSTOMER INTERFACE J3 - Serial port RS 232 (sub D - female 9 pin) Suitable for GE protocol Pin 2: TX (out) Pin 3: RX (in) Pin 5: GND J2 - (subD-female 25 pin) – Output signals on voltage free contacts...

  • Page 46: Serial Port J3

    4.1.1 Serial Port J3 Serial port J3 - RS-232 (sub D, female 9 pin) that allows: Total remote management of the system using software GE Power Diagnostics, GE Data Protection or GE Service Software for system protection and management of the UPS systems.

  • Page 47: Programmable Input Free Contacts

    4.1.3 Programmable input free contacts Some programmable UPS functions (indicated in Section 4.1), can be activated by closing an external contact, if connected, on: X1 / 10, 21 J2 / 10, 23 User Input 1 (default = Not used) X1 / 11, 22 J2 / 11, 24 User Input 2 (default = Emergency GEN ON) 4.1.4 Gen Set Signaling (GEN ON)

  • Page 48: Epo (Emergency Power Off) Input Contact

    4.1.6 EPO (Emergency Power Off) Input contact BE AWARE ! The reliability of the system depends on this contact NC (Normally Closed)! An external Emergency switch (Normally Closed voltage-free contact) can be connected on terminals XB / 1 - 4 or connector J2 / 12 - 25 of the P4 - Interface Customer.

  • Page 49: Notes

    NOTES 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, components replacement, abnormal situations, etc. Date Description Done by Modifications reserved Page 49/49 OPM_SGS_ISG_M75_M75_2US_V010.doc Installation Guide SG Series 750 UL S2 &...

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