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13
ELECTRICAL INSTALLATION
Check branch circuit breaker rating and wiring dimensions with the following table.
INPUT/OUTPUT CONFIGURATION
Hardwire the input/output terminals as shown in the following diagram.
Input and Output circuit breakers must be “OFF” during the installation process.
An additional two pole disconnect device is necessary during the installation process.
Disconnected EPO will immediately shut down the logic circuit output of the UPS. Wiring the EPO
signal is optional.
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.
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
70A
6 AWG
14.0 mm
2
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
Caution: Important Instructions
MAINTENANCE BYPASS MODULE
INSTALLATION CONT.
