Standby Power Supplies - Quick Start Guide
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Overview |
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Pre-installation Checklist |
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Alpha GMX Uninterruptible Power |
Supplies are |
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To Ensure Operator Safety: |
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processing equipment in cable television and broadband |
LAN distribution |
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• Only qualified personnel should install the power supply in |
accordance with |
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systems. |
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all applicable electrical codes. |
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During AC line operation, AC power is converted into a quasi square wave |
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• Use eye protection whenever working with batteries. |
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and regulated by a ferroresonant transformer at the selected output voltage. |
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• Use only sealed, lead-acid type batteries with a minimum rating of 55Ah |
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The regulated voltage is connected to the load via VOUT ± terminal block |
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connections, and some power is directed to the battery charger to maintain |
a |
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(gelled-electrolyte or equivalent). |
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float charge on the batteries. |
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Unpacking and Inspection: |
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When the incoming AC line voltage significantly deviates from normal, the |
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• Remove the GMX Power Supply from the shipping container. Verify that |
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GMX Power Supply automatically switches from the AC line to Standby mode, |
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the power supply (including Remote Temperature Sensor) and any other |
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maintaining power to the load. |
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ordered options have been included. |
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Key components include: |
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• Carefully inspect the contents of the shipping container. If any items are |
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damaged or missing, contact Alpha Technologies or the shipping company |
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• Line Interactive Ferro Technology (LIFT) |
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immediately. Most shipping companies only have a short claim period. |
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• Wide input voltage range of ±30% |
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Preinstallation Inspection: |
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• During shipping, movement of components may occur. Inspect the power |
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• Compact packaging with light-weight ferro |
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supply for possible shipping-related failures, such as loosened or damaged |
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• Field programmable flash memory |
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connectors. If needed, inspect the interior for loose or damaged connectors. |
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• Built-in battery circuit breaker |
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Correct any discrepancies before proceeding with the power supply |
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installation. |
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• IEC style line cord |
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• Do not install the power supply without performing a complete |
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Battery Breaker |
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preinstallation inspection and start-up test. |
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NOTE: |
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To download the latest revision of the GMX Technical Manual, |
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Alpha P/N 017-932-B0, visit www.alpha.com. |
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Or, call 1-800-863-3930 for assistance. |
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Inverter |
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(7:00 AM to 5:00 PM Pacific Time) |
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Cooling Fan |
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Status LEDs |
Smart |
Display Battery Input |
Battery Temperature |
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Terminal Block |
Probe Connector |
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© 2006 Alpha Technologies |
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Page 1 |
of 4 |
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017-932-B1-001, Rev. A, Effective 03/06 |
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Standby Power Supplies - Quick Start Guide
Installation
NOTE:
Before applying power, verify AC input utility. Verify a low-resistance ground is installed in accordance with applicable regional standards.
Installation Procedure
1.Turn Battery Breaker OFF.
2.Check battery cables for correct polarity (Red +, Black -).
3.Connect battery cables to battery input connector (observe color/polarity).
4.Connect the Temperature Probe.
5.Connect the Local/Remote Indicator (LRI) to the terminal block (if applicable).
6.Connect status monitoring connectors, including Tamper Switch (if applicable).
7.Connect the GMX to the utility outlet.
8.Switch enclosure AC breaker ON; measure and verify correct AC voltage at utility outlet.
9.Switch Battery Breaker ON.
8
5
14
(Example) 
7,12,15
10.Verify no alarms are present (it may take up to 60 seconds for the NO BATTERIES alarm to clear).
11.Initiate a self-test by simultaneously pressing the DOWN arrow key and ENTER key. Using a true RMS multimeter, verify VOUT voltage. Verify no alarms are present. Abort the self-test by by simultaneously pressing the DOWN arrow key and ENTER key.
12.Unplug the GMX line cord and turn OFF the battery breaker.
13.Verify Service Power Inserter (SPI) toggle switch in ON position (not ALT).
14.Connect the SPI (network load) to the terminal block. If you are not using an SPI, connect the load directly to the VOUT terminals on the terminal block. Observe proper polarity.
15.Plug in the GMX line cord and switch the Battery Breaker ON.
16.Perform live inverter test.
•Turn AC input breaker OFF.
•Verify GMX transfers to “Inverter” mode.
•Turn AC input breaker ON.
•Verify GMX transfers back to Utility.
CONGRATULATIONS!
The self-test and live-inverter tests have been successfully completed, the unit is ready to be placed into service.
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© 2006 Alpha Technologies |
Page 2 of 4 |
017-932-B1-001, Rev. A, Effective 03/06 |
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