a.
Module summary alarm, one for each UPS module.
b.
UPS on battery.
c.
Low battery voltage.
d.
Critical load on bypass.
e.
Static switch disable.
f.
Output overvoltage.
g.
Output undervoltage.
h.
Output overfrequency.
i.
Output underfrequency.
j.
Overload.
k.
Bypass source overvoltage.
l.
Bypass source undervoltage.
m.
Bypass source overfrequency.
n.
Bypass source underfrequency.
o.
Bypass source to inverter out of synchronization.
p.
Equipment overtemperature.
q.
Control power failure.
2.8.3.4
System Mimic Panel
The system control panel shall contain a mimic panel in the format of a
single-line diagram, with status indicators for the following items:
a.
Module on-line, one per UPS module.
b.
UPS output protective device status, one for closed (red), one for
open (green), and one for withdrawn (amber).
c.
Static bypass protective device status, one for closed (red), one
for open (green), and one for withdrawn (amber).
d.
Static switch status, one for connected (red), and one for
disconnected (green).
2.8.3.5
Emergency Off
Pressing the emergency off button shall cause the module input, output, and
battery circuit breakers to open, completely isolating the UPS system from
sources of power. The critical load shall be transferred to the bypass
source when this occurs.
SECTION 16265A
Page 31
Previous Page
