MGE UPS Systems EPS 6000, Installation Manual

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• The red “load not protected” LED is on.
• The rectifier/battery charger automatically starts.
If either condition is not present, there is a fault. Open Q1 and contact MGE
Customer Support Services.
2. For each module, close the UPS isolation circuit breaker Q5N. The fans in
the UPS module will start.
3. For each module, close the battery disconnect circuit breaker QF1. The
batteries are now connected to the rectifier/battery charger, and have
begun charging.
4. If the modules are not programmed for automatic restart, for each module,
press the “inverter on” pushbutton. The green “load protected” LED will flash
for about 3 seconds, indicating that the inverter is starting.
5. As soon as a sufficient number of UPS modules have been started, the
SSC will automatically transfer the load to the UPS module output. On each
module, the green “load protected” LED will turn on and remain on. On the
SSC, the green “load protected” LED will turn on.
6. As the remaining UPS modules are turned on (per step 4 above), their
respective green “load protected” LEDs flash for three seconds, then
remain on as the modules connect to the load . The load is equally shared
between modules.
After initial start-up of the system, normal operation should
be tested. At the minimum, the following tests should be
performed (refer to the EPS 6000 UPS User’s Guide,
Shared Systems, MGE part number 86-130034-00, for
procedures), as applicable to your installation:
• Emergency power off (EPO) test from each UPS module, and from the SSC.
• Remote emergency power off (REPO) test (if applicable).
• Inverter start and stop (for each module).
• Battery transfer test.
• Maintenance bypass procedure.
3.6.3 Checks after
Start–up
B e c a u s e i t i s s t a n d a rd fo r t h e U P S m o d u l e t o b e
p ro g r a m m e d fo r a u t o m a t i c r e s t a r t , t h e i nv e r t e r w i l l
a u t o m a t i c a l l y s t a r t a f t e r t h e b a t t e r y d i s c o n n e c t
c i rc u i t b r e a k e r Q F 1 h a s b e e n cl o s e d .
IMPORTANT
3 — 10 Installation, Shared Systems
EPS 6000 Uninterruptible Power System