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INTERNAL UPS DIAGRAM
SG5K-2TX(C) & SG6K-2TX(C)
Terminal #10Terminal #1
PFC
INPUT
RECTIFIER
PWM
INVERTER
Output 2 -120Vac Line (Black Wire)
Output 2 - 120Vac Neutral (White WIre)
Chassis Ground (Output 1 & 2)
Chassis Ground (Input)
208-240Vac Input L2 or Neutral
208-240Vac Input L1
208-240Vac
Output
Isolated 120Vac
Output
New Derived
120Vac Neutral
Battery
Charger
Internal UPS
Batteries (240Vdc)
+
Output 1 - 208-240Vac L2 or Neutral
Output 1 - 208-240Vac L1
+ External Battery (+240Vdc)
- External Battery (- 240Vdc)
Terminal Block as Viewed Through
the Opening in the UPS Rear Panel
10
3.0. Extended Battery Bank Option Installation (hardwire models only)
Optional Extended Battery banks are available for the SG5 & 6kVA models
providing extended battery backup up to many hours. Each extended battery
is a completely self-contained battery system. If equipped with the optional battery
charger, it will require the additional connection to the utility source, incorporating
"branch rated" circuit breaker protection which can also be used as a disconnect for
the system. Hardwire model extended battery systems are not provided with an
input power switch or AC disconnect device. As the optional charger is designed to
maintain a continuous charge to the batteries, it must remained powered from the
utility source. A battery disconnect is provided on the rear panels of both the UPS
and battery bank and must be in the off position during installation or when the
system is being turned off or stored for more than two weeks.
Installation Instructions:
1. VERIFY THE BATTERY DISCONNECT CIRCUIT BREAKER IS IN THE “OFF”
POSITION PRIOR TO MAKING ANY WIRING CONNECTIONS.
2. Verify the Extended battery Bank is configured properly. Verify the input (models
with internal battery chargers only) and DC output voltage. All SG 5 & 6kVA models
require the use of an external battery bank with an output of 240Vdc @ 30A. This
information is stated on the nameplate label located on the rear or the side panel of
the unit.