2 start-up 2-14, Eps 8000 ups single module – MGE UPS Systems EPS 8000 User Manual
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2.10.2 Start-up
The following start-up procedure should be performed during the initial start-up following installation of the system, and
this sequence should be followed any time that the EPS 6000 UPS is being restarted from an off condition (i.e., after
the UPS has been powered down by removing the upstream AC input power and opening all the circuit breakers of
the UPS).
a.
Apply power to Q4S by closing the upstream circuit breaker supplying Q4S.
b.
Apply power to the UPS input by closing the upstream circuit breaker supplying the main AC input (mains 1).
c.
Close the optional maintenance bypass circuit breaker Q3BP (if present). Power is now available at the UPS
output (the load is energized) via the bypass source.
d.
Close the control or bypass circuit breaker Q4S. The static switch will come on-line; the fans will start.
e.
Close the output isolation circuit breaker Q5N (if present).
f.
Open the maintenance bypass circuit breaker Q3BP (if present). The load is now supplied via the bypass
source.
Note that if your UPS configuration does not include the maintenance bypass option, start-up requires only
closing Q4S to supply the bypass source to the attached load.
g.
Close the input isolation circuit breaker Q1. Verify that the following conditions exist:
◗
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.
h.
Close the battery disconnect circuit breaker QF1. The batteries are now connected to the rectifier/battery
charger, and have begun charging.
IMPORTANT:
Because it is standard for the UPS module to be
programmed for automatic restart, the inverter will
automatically start after the battery disconnect circuit
breaker QF1 has been closed.
i.
If the UPS is not programmed for automatic restart, press the “inverter on” pushbutton. The green “load
protected” LED will flash for about 3 seconds, indicating that the inverter is starting.
j.
The UPS will automatically transfer the load to the UPS inverter output. The green “load protected” LED will
turn on and remain on.
Operation
EPS 8000 UPS Single Module
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