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IV. OPERATING PROCEDURE
4.1 Turn On procedure
1. Turn on the Main Switch on the rear panel to "1" position. (There is line voltage at the output.)
2. Turn on the On-Off Switch PK1 on the rear panel to the "1" position. Turn on the power switches on
your critical load after the "Inverter" indicator (green light) is turned on. (There is inverter voltage at the
output.)
4.2 Turn Off procedure
1. Turn off all the power switches on your critical equipments that are connected to the UPS.
2. Turn off the On-Off switch PK1 and the Main Switch to "0" position.
CAUTION
A- For daily TURN ON / TURN OFF operation, it is recommended to keep the Main switch at "1"
position to ensure proper battery operation.
B- If the Main switch is in "1" position the line power will be supplied to output receptacles
directly. DO NOT insert objects other than equipment power cords into outlets.
4.3 When Utility Power Is Interrupted
In case the utility power is interrupted, the UPS converts the built-in battery source to output terminals
immediately to protect your critical loads from loss of data or damage.
Battery back-up time is more than 10 minutes for full load and can be extended by removing non-critical
loads.
After an utility power blackout, the audible alarm and "LINE FAILURE " indicator on LCD panel will start
operating.1 minute after the power is interrupted, and you will see the message "BAT.USED :001min"on
the LCD panel. This will show you for how long the batteries were used since the power was interrupted.
When the "Battery Low" alarm appears, you have to shut down all your loads immediately, and turn the
main switch PK1 to position "0".
4.4 Automatic battery test system (Optional) :
There are some conditions to make this test ( e. g availability of by-pass supply, line synchronization,. a
min. time requirement since the last line failure etc.). The first test is performed automatically, 8 hours
later following the first turning on of the UPS. There is a 65 hours interval between two successive tests
an each test lasts about 36 seconds.
During the battery test operation, the inverter power will be supplied from batteries. At the end of this
test,if the battery voltage is below a predetermined value, " BATTERY FAILURE / BATTERY LOW Fault
messages appear on the LCD panel and the UPS starts operating in By-Pass mode.
In this case you have to call your service.
If the batteries are in normal conditions the system will start operating in normal mode after 36 sec.
This test protects your operation against unexpected battery failures, and indicates you if there are any
damaged batteries. It also discharges the batteries periodically, which is a good thing for extending
battery life.
Summary of Contents for HP-115
Page 1: ...USER MANUAL HP 100 SERIES UNINTERRUPTIBLE POWER SUPPLIES 1 Phase Input Output HP 115 NS151A ...
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Page 25: ...21 Connection Diagram Of The RMP COM1 T MON ...
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