Basic Operation continued
NORM DELAY
Power Sensitivity Adjustment (Select Models Only)
This dial is normally set fully counterclockwise, which enables the UPS to protect against waveform distortions in its AC input. When such distortion occurs, the UPS will normally switch to providing PWM sine wave power from its battery reserves for as long as the distortion is present. In areas with poor utility power or where the UPS’s input power comes from a backup generator, chronic waveform distortion could cause the UPS to switch to battery too frequently, draining its battery reserves. You may be able to reduce how often your UPS switches to battery due to waveform distortion by experimenting with different settings for this dial. As the dial is turned clockwise, the UPS becomes more tolerant of variations in its input power’s AC waveform. NOTE: The further the dial is adjusted clockwise, the greater the degree of waveform distortion the UPS will allow to pass to connected equipment. When experimenting with different settings for this dial, operate connected equipment in a safe test mode so that the effect on the equipment of any waveform distortions in the UPS’s output can be evaluated without disrupting critical operations.
Automatic Voltage Regulation
During brownouts, your UPS will automatically correct low AC line voltage. Select models also correct high line voltage during overvolt- age conditions. When automatic voltage regulation is operating, your UPS may be heard to click gently. This is a normal, automatic opera- tion of your UPS, and no action is required on your part.
Storage & Service
Storage
All connected equipment should be turned off, then disconnected from the UPS to avoid battery drain. Unplug your UPS from its AC receptacle. CAUTION: Your UPS has an internal power source. Its outlets may still deliver current after it is unplugged, until the UPS is deactivated. To deactivate the UPS, press and hold its UPS/STANDBY button. Your UPS is now ready for storage. If you plan on storing your UPS for an extended period of time, fully recharge the UPS batteries once every three months by plugging the UPS into a live AC outlet and letting the UPS charge for 4 to 6 hours. If you leave your UPS batteries discharged for an extended period of time, they will suffer a permanent loss of capacity.
Service
If returning your UPS for service, contact your local Tripp Lite dealer or distributor. They will refer you to a service center. Please carefully pack the UPS using the ORIGINAL PACKING MATERIAL that came with the unit. Enclose a letter describing the symptoms of the problem. If the UPS is within the warranty period, enclose a copy of your sales receipt.
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