10
80-100kVA UPS Terminal Connections
Cables shall be passed through the hole under the connection terminals.
Make sure that all circuit breakers are “OFF”/”0” before starting with the installation.
Connections shall be done in the order below only.
2.1.1.1 Protective Earth (Ground) Connections
The device shall be earthed for a safe and reliable operation.
Connect the PE ground connectors
before connecting any other cable
Input protective earth connection terminal (PE) of the UPS shall be connected to ground with a low
impedance connection.
PE terminals of the loads shall be connected to output protective earth terminal of the UPS.
If there is an external battery cabinet present, it shall be grounded via battery protective earth terminal of
the UPS. Battery case must be earthed only – do not connect any DC/ battery point to PE earth.
2.1.1.1 Input Connection
Bring the circuit breaker on the distribution panel to “OFF” or “0” position before making the
connections
Connect the phases to input (X2) L1, L2 and L3 terminals.
PE
BATTERY (-)
BATTERY NEUTRAL
BATTERY (+)
INPUT L1
INPUT NEUTRAL
INPUT L2
INPUT L3
OUTPUT NEUTRAL
OUTPUT L3
SPLIT BYPASS NEUTRAL
SPLIT BYPASS L3
OUTPUT L2
OUTPUT L1
SPLIT BYPASS L2
SPLIT BYPASS L1
