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4200FA Installation and Operation Manual 89
The audible alarm can be disabled permanently by selecting the Settings tab, then setting the parameter
808 - Buzzer to “Disable.” This will disable the alarm so that no alarm sounds for any Fault or Warning
condition.
Initial Battery Charge 10.6
The UPS Battery System must be charged before it is used for the first time or when the unit has not
been used (AC power source removed) for more than 10 days. The batteries can be charged in Online
Mode, but the full backup capacity will require up to 24 hours of uninterrupted charging. Use the following
procedure to recharge the UPS Battery System:
1) Ensure the UPS key switch is in the “BYPASS” position.
2) Switch on power at the UPS input distribution panel, and battery disconnects.
3) Switch the MAIN POWER SWITCH on the inner front panel to "ON." The UPS battery charging
circuit is now activated. The AC ON LED will be green. The MAIN Tab will display on the
Touchpad
4) With the key switch in the BYPASS position, the AC IN and the BYP LED’s will be lit.
Press the touchscreen menu STATUS tab. The mimic display should show the power being
routed through the MBS (Heavy Line)
5) Turn the Key Switch to “RUN”.
If parameter 527 - Battery Test is set to “Enable”, the UPS automatically performs a controlled
system battery test. (Note: The Automatic Battery Test.is performed only when the software is
enabled for this function. The factory default is set to “Disable.”)
(Allow 24-72 hours for the batteries to fully charge).
Use the following procedure if the automatic battery test fails and the “low battery” warning VBLO is
displayed in the touchscreen footer (Figure 4-2):
1) Turn the key switch to “Bypass.”
2) Allow 24-72 hours for the batteries to charge and then switch the Circuit Breaker to "OFF."
3) Repeat Initial Battery Charge procedure. (A failure indicates battery replacement may be
necessary).
Start-up Procedure 10.7
The UPS batteries must be charged before the UPS is used for the first time or if the unit has not been
used (i.e. AC power source removed) for more than 10 days. Once the batteries are charged use the
following start-up procedure:
1) Verify that all power switches are off, and that the "BYPASS/RUN” Switch on the UPS is in the
“BYPASS” position.
2) Switch on the power at the customer-provided UPS input distribution panel.
3) Switch the UPS Circuit Breaker(s) to "ON." The AC Input LED will light. The touchscreen should
display the MAIN tab: