Maintenance On A Ups Equipped With The Modulareasy Mx Module - Eaton MX 4000 RT Installation And User Manual

7. Maintenance
Reconnecting the battery sub-module :
Carry out the above instructions in reverse order.
To ensure safety and high performance, use only batteries supplied by EATON.

7.3 Maintenance on a UPS equipped with the ModularEasy MX module

Before any action on the manual bypass (61) located on the ModularEasy module front panel, always check that the
inverter is stopped (press the "0" button more than 3 seconds).
The equipments should be powered via the Normal AC source, and not protected by the UPS.
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TEST
6
7
30 32 34 29
I O
The ModularEasy module makes
possible to service or even replace the
UPS without affecting the connected
equipments (HotSwap function).
Maintenance:
1 - Set the manual bypass (61) to the
Bypass position.
The equipments are supplied directly with
Normal AC source.
2 - Check the UPS main bezel and wait the
LCD stops (30 seconds).
3 - Padlock the manual bypass (61) on
bypass position.
4 - The UPS can now be disconnected and
replaced.
Return to normal operation:
5 - Properly wire the UPS (see section 2),
and connect internal batteries.
6 - Set the manual bypass (61) to the Test
position then to Normal position : the
equipments are powered via the Normal
AC source, but not protected by the UPS..
7 - Push the "I" button (29) till the buzzer
beeps. LED (20) is ON, and LEDs (30), (32)
and (34) (see page 9) are green: the
equipments are protected by the UPS.
Test position:
It is also possible to fully test the UPS
before the manual bypass (61) is set on
Normal position.
To check the UPS, after step 5, follow this
operating method:
6bis - Set the manual bypass (61) to the
test position.
7bis - Push the "I" button (29) till the buzzer
beeps. After UPS Internal test, LED's (30),
(32) and (22) should be ON: no failure has
been detected.
To return to normal operation:
Push the "0" button (28) more than 3
seconds.
Then follow the operating method from
step 6.