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Mark:
I understand your frustration.
Unfortunately, the unit you bought and installed is simply an inverter. An inverter converts DC to AC in this case, with no filtering and no surge protection, and no true sine wave like the utility company provides. Inverters can certainly provide unlimited run time, but not true filtered sine wave. You can install an Tripplite isobar filter and surge protector 1st into your 120 V outlet and then plug the inverter into that 2ndly and gain surge protection, however the crucial difference is your system provides 7/24/365 MODIFIED PWM sine wave to your computers, not a true smooth sine wave as most PC computers were built designed to receive from the local utility.
Your inverter is NOT a true UPS (even though Tripplite uses the word UPS in their description) and Tripplite even states your unit can be used to power computers.
It's sad that you can call Tripplite techs and they will explain it to you differently.
It seems like false advertising to me.
For a few dollars more I am going the true sinewave route 'cause I want to sleep at night knowing my computers have the best protection without any potential voodoo HARMONICS. Maybe Tripplite did not have the SU series available back when you bought your unit ?
John
On Thu, 20 Nov 2003 13:54:08 -0600 , Mark Brown <markbrown@xxxxxxxxxxxxx> wrote:
>Hello John,
>
>JB> There very well may be a crucial flaw in Mark's massive elec.
>JB> backup system (opinion of Tripplite technician).
>
>Tripplite probably needs to fire the guy (technician or salesman) you
>talked to, cause right off their own web site this is recommended for
>commercial UPS applications wanting UNLIMITED run time. Besides Bob
>Fulks has one of these also and he is a MIT Engineer, former
>president, consultant and close confidant of Bill Gates and did I
>mention astronaut?
>
><http://www.tripplite.com/products/inverters/specs/index.cfm?model=APS2012>
>
>Extended Run UPS
>
>Configure as a UPS for long-term battery support of telecom systems,
>security alarms, computer systems and various other motorized and
>electronic loads.
>
>In UPS mode, the APS system responds to blackouts and brownouts with
>an uninterrupted transfer to battery-derived AC output. Includes a set
>of high current DC input terminals for simple installation (user
>supplies batteries and cabling). Reliable large transformer design
>with efficient PWM sine wave output and frequency control powers
>resistive electronic loads or large inductive motors, compressors and
>other items with high current needs on startup. Supports an unlimited
>amount of runtime with any number of user-supplied batteries
>connected. Highly adaptable to a variety of applications and site
>conditions with adjustable charger settings for wet / gel battery
>types and selectable line to battery power transfer voltages.
>
>
>
>--
>Thank You,
>Mark Brown
>www.markbrown.com
>
>
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