MGE UPS Systems 4000 RT 사용자 설명서

34008030EN/AA

 - Page 33

7. Maintenance

7.3 Maintenance on a UPS equipped with the ModularEasy MX module  

 

Carry out the above instructions in reverse order.

◗

 

 

 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.

ESC