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g
User manual
TM
Digital Energy GT Series
Rack-mount Uninterruptible Power Supply
1000-1500-3000 VA
UL-version
GE Consumer and Industrial – Power Quality
Digital Energy™
nd
701 E. 22 Street
Suite 300 Telephone 800-637-1738
Lombard, IL 60148
USA Website www.geindustrial.com/ups
GT Series UPS Technology for the Digital World. ver 1.4 - US
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™ Digital Energy GT Series g US USER MANUAL Digital Energy™ GT Series Rack-mount Uninterruptible Power Supply 1000 - 1500 - 3000 VA UL-version The , a rack-mount GE (General Electric) Digital Energy™ GT Series UPS uninterruptible power supply, protects your equipment from all forms of power interference, including complete power failures. Please keep this manual in a safe place for future reference and carefully read the important safety instructions in cha
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™ Digital Energy GT Series g CONTENTS 1 IMPORTANT SAFETY INSTRUCTIONS.............................................. 3 1.1 Save these instructions 1.2 General 1.3 Installation 1.4 Batteries 1.5 Transport/storage 1.6 FCCIS Interference statements 2 INSTALLATION......................................................................................6 2.1 Package contents 2.2 Location 2.3 Rear panel 2.4 Installation 2.4.1 Mounting in a 19” enclosure 2.4.2
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™ Digital Energy GT Series g 1 - Important Safety Instructions 1.1 Save these instructions This manual contains important instructions for the Digital Energy™ GT Series-UL UPS that should be followed during installation and maintenance of the UPS and the batteries. Before attempting to install and start up the UPS, carefully read this manual. Keep this manual next to the UPS for future references. All servicing must be done by qualified personnel. Do not attempt to serv
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™ Digital Energy GT Series g 1.4 Batteries • NOTE: Servicing of batteries should be performed or supervised by personnel knowledgeable of batteries and the required precautions. Keep unauthorized personnel away from batteries. • When replacing the batteries, use only the same number, type and size battery: GP1272-F2 (CSB) or NP7-12(YUASA), LC-R127R2P(PANASONIC), BP7-12(BB) or HR1234W F2(CSB) or BP7-12(BB)GS7R2, HR9-12(BB). • Avoid charging in a sealed container. • CAUTION: Never
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™ Digital Energy GT Series g 1.6 FCCIS Interference Statements 1kVA MODEL Federal Communications Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used
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™ Digital Energy GT Series g 2 - Installation 2.1 Package contents The packing box contains a Digital Energy™ GT Series-UL UPS, an RS232 data cable, a CD ROM, two mounting brackets with screws and this manual. Carefully inspect the packing box and its contents. If any damage is visible please immediately notify the carrier and/or dealer. 2.2 Location Please refer to section 1.3 of ‘IMPORTANT SAFETY INSTRUCTIONS’ 2.3 Rear panel 1 Input 95 6 82 3 AC utility supp
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™ Digital Energy GT Series g 2.4 Installation The unit should be installed by service personnel. IMPORTANT: Before making any connection and switching on the UPS, please check the following conditions: • Mains supply is 100/110/120 Volts and 50/60Hz, • Total power demand of the connected equipment does not exceed the rated output power of the UPS (indicated on the rating label). 2.4.1 Mounting in a 19” enclosure 1. Install the mounting bracket. See fig. 2.2. 2. Adjust
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™ Digital Energy GT Series g 2.4.3 Connecting an external battery pack 1. Before installation, check whether the nominal voltage of battery pack is suitable for the UPS. The voltages mentioned on the battery connectors should match. 2. Utilize the battery connection cable that came with the battery pack to connect the battery pack to the UPS as shown in fig. 2.5. The other connector of the battery pack can be used to connect a second, third etc. pack. UPS Battery connection c
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™ Digital Energy GT Series g 2.4.6 Connecting to the utility power supply 1000/1500VA: Use a suitable power cord, and plug it into the input socket (see fig. 2.6) 2200/3000VA: The UPS is equipped with a fixed input power cord. 1. Plug the input power cord into a working three wire, grounded AC wall outlet. Do not use extension cords. 2. Turn on the input breaker (if the breaker can be turned on) on the rear panel of UPS. After that, the fan (in rear panel) will run and, as a fron
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™ Digital Energy GT Series g 3 - Operation 3.1 Operation Panel 35 6 1 4 2 8 7 9 Fig. 3.1 Operating panel 13 12 11 10 1 Switch ‘I/TEST’ - Switches on the UPS - In ‘ON-LINE’ mode it starts the battery test - In ‘ON BATTERY’ mode it mutes the buzzer 2 Off switch Switches off the UPS 3 LED ‘Bypass’ The UPS is in ‘BYPASS’ mode: the incoming utility power is channeled directly to the load. See also 3.3.5 4 LED ‘Line’ Indic
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™ Digital Energy GT Series g 3.2 Start-up 3.2.1 Start-up, utility power available 1 Push the ‘I/TEST’-button (1) and hold for 3 seconds until a short beep is heard. The bypass LED will shortly light up. When the LED ‘On Line’ lights up, the UPS is running in ‘ON LINE’ mode. 2 The equipment connected to the UPS can now be switched on. Fig. 3.2 On Line mode 3.2.2 Start-up, utility power not available (cold start or battery start) 1 Push the ‘I/TEST’-button (1
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™ Digital Energy GT Series g 3.3.4 Silencing the buzzer When the UPS is in ‘ON BATTERY’ mode the buzzer can be turned on or off by pressing the ‘I/TEST’-button (1). 3.3.5 Switching off 1 To switch off the UPS push the OFF-button (2) until a short beep is heard. Release the button after the beep. After a few seconds the UPS will be in ‘STANDBY’ mode: it will continue keeping the batteries charged. See also fig. 2.5. 2 To fully turn off the UPS, and/or if electric isolation is r
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™ Digital Energy GT Series g 3.4.4 Bypass operation If the UPS is unable to deliver the demanded output power due to overload or over-temperature, the load is switched directly to the utility supply. The LED ‘Bypass’ will light, and the buzzer will sound continuously. The UPS will switch back to ‘ON LINE’ mode (normal operation) when the load and/or temperature conditions returned to normal. If a power failure occurs during bypass Fig. 3.9 Bypass operation operation, the UP
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™ Digital Energy GT Series g 4 - Communication 4.1 Description The GT Series UPS is equipped with a communications interface, providing RS232 and dry contact protocols in one sub-D 9-pin female connector located at the rear of the unit. The communication port on the UPS can be connected to a computer. This port allows the computer to monitor the UPS status and control the operation of the UPS in some conditions. Using proper UPS management software and cable, the UPS can be
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™ Digital Energy GT Series g 4.2 RS232 The RS-232 communication port provides the following functions: 1 - Monitoring charger status 2 - Monitoring battery status and condition 3 - Monitoring inverter status 4 - Monitoring UPS status 5 - Monitoring the AC utility power status 6 - Turn on/off UPS on schedule for power saving 7 - Adjust transfer voltage Pin Assignment: Pin 2 : PC receives line RS-232 data from UPS. Pin 3 : PC transmits line RS-232 data to UPS. Pin 5 : Signa
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™ Digital Energy GT Series g 4.4 SNMP Plug-in Card (optional) SNMP (Simple Network Management Protocol) is the most popular protocol in the network. Via NMS (Network Management Station) you can detect the status of all facilities in the network. An SNMP Interface Card can be plugged into the built-in SNMP slot on rear panel of the UPS (please refer to fig. 2-1). This optional interface unit can integrate the UPS into the network allowing you to easily monitoring the UPS status. N
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™ Digital Energy GT Series g 5 - Optional Features Apart from the SNMP-option described in 4.4 the following options are possible: 5.1 Extended Runtime Extended runtime can be obtained by connecting a separate battery extension module to the UPS. The additional batteries increase the runtime and recharging time for the unit, all other operational information is the same as for standard models. 5.2 TVSS (Transient Voltage Surge Suppressor) RJ-45/RJ-11 Surge Protector.
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™ Digital Energy GT Series g 6.3.2 Battery replacement procedure) 1.5kVA 1 Remove front panel 2 Unscrew two bolts of the 3 battery terminal cover and remove it 4 Unplug battery connectors 5 Unscrew five bolts of the 6 battery compartment cover and remove it 7 Unscrew two bolts of battery fixer and remove it 8 Pull out the battery set and renew it 9 Assemble UPS by reverse procedure. Fig. 6.2 6.3.3 Battery replacement procedure) 3kVA NOTE: The battery banks shoul
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™ Digital Energy GT Series g 7 - Troubleshooting Whenever a malfunction occurs, first check external factors (e.g. connections, temperature, humidity or load) to determine whether the problem is caused by the unit itself or by its environment. Subsequently check the thermal circuit breaker: it may be tripped. If so: reset it and be sure that the UPS is not overloaded. The following chart is a simple troubleshooting checklist only. If the suggested solution does not succeed, or
