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7.2.- Shutting down the UPS.
• Press the "OFF" key (7) for 1 second, the inverter will stop supplying output power.
•
From the time the commercial supply is applied and the fuse or magnetothermal (5) is fitted or turned to
"ON" respectively, the fans are working and the batteries are loading regardless of whether or not the UPS is
running.
• To completely turn off the UPS, disconnect pin (1) from the network in all fused models, or turn the magnetother-
mal (5) to "OFF" while also turning off the battery module protection if there is one. If is best ot turn off the UPS
completely when it is not expected to be used for a time of over 7 days.
7.3.- From normal working to Bypass and vice versa.
• Under normal conditions with the unit running as in section 7.1, it is the inverter that supplies the loads, and can
force the "Bypass mode", which allows the loads to be supplied directly from the commercial mains.
To pass from normal working to "Bypass mode", press the (6) "ON" and (7) "OFF" keys at the same time for some
5 seconds. An audible beep will sound, the Bypass led (b) will light and the load will be transferred on the Bypass.
To pass from the "Bypass mode" to normal operation, press the (6) "ON" and (7) "OFF" keys at the same time for
some 5 seconds. An audible beep will sound and after some 15 seconds, the load will be transferred on the
inverter.
7.4.- Self test function.
• Use the self test to check the correct performance of the UPS as well as the conditions of the batteries.
• With the mains present and the UPS running, press the button (6) during 3 seconds, during the working operativity,
the UPS will carry a self test which takes about 10 seconds.
Basically this consists in supplying the load or loads from the battery charge is low it returns immediately to the
normal mode. During the process the loads are not affected.
Recharge the batteries for 8 hours and then carry a new self test.
If the process of transferring immediately back to the normal mode is repeated, contact with A.S.S. (After Sales
Service) to replace the batteries.
7.5.- Cold start.
• NX series UPS with the optional "Input polarity detector" (P).
Although these devices can be started up from cold "Cold Start function", they should never be operated
in this mode without first checking the input polarity. This is because there is a possibility that the input plug (1)
is connected to the network power point in inverted mode, which means that the UPS will be locked at the end
of autonomy.
• Although the unit may be operated in this mode, this is not recommended as it is necessary to take into
consideration the time required to start and shut down the computer, programs and files, compared to the
autonomy made available by the UPS.
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