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HARDWIRING THE INPUT/ OUTPUT TERMINALS
8
CHECK CIRCUIT BREAKER/WIRING
Check branch circuit breaker rating and wiring dimensions with the following table.
UPS Capacity
Branch Circuit Breaker
Wiring AWG
Wiring mm
2
6KVA
40A
10 AWG
5.5 mm
2
8KVA
50A
8 AWG
8.0 mm
2
10KVA
60A
6 AWG
14.0 mm
2
INPUT/ OUTPUT CONFIGURATION
Hardwire the input/output terminals as shown in the following diagram.
PDU/HW
UPS
PFC
AC/DC
Inverter
DC/AC
STS
L1 L2 PE
Input
Circuit Breaker
Wiring
AWG
L1 L2 PE
External
EPO
Output
Mains
Battery
L2
L1
PE
L2
L1
PE
Manual
Bypass
SAFETY PRECAUTIONS
CAUTION!
Input and Output circuit breakers must be “OFF” during the building installation.
CAUTION!
An additional two pole disconnect device is necessary during the building installation.
CAUTION!
Disconnected EPO will immediately shut down the logic circuit output of the UPS. Wiring the EPO signal is optional.
CAUTION!
Local safety rules may require a separate, external EPO to turn off output circuit breakers. Refer to local wiring rules, the EPO should use
approved components.
Step 1: Remove the inspection window cover
Loosen the four screws to remove the inspection window cover.
Step 2: Remove the terminal block cover
Loosen the four screws to remove the terminal block cover.