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Operating the Bypass Switch
975-0046-01-01 2–3
Normal Operation
Inverter AC power passes through the inverter to the load (Figure 2-2).
In this configuration, power passes through the inverter to the connected
load. When external AC power is not available, power from the external
DC source is used by the inverter to power the AC loads.
‘
Bypass Operation
External AC power routed directly to the AC loads (Figure 2-3).
In this configuration, power passes directly to the connected load,
bypassing the inverter. This allows the inverter to be removed from
service without affecting the connected load. If the extenal source of AC
becomes unavailable while the Bypass Operation is selected, the load will
be dropped.
‘
Figure 2-2
Normal Operation
OFF
ON
60
60
OFF
ON
INVERTER
BYPASS
INVERTER
DISCONNECT
BOTH OFF TO DISCONNECT AC OUTPUT
1234
Inverter in Circuit
Figure 2-3
Bypass Operation
OFF
ON
60
60
OFF
ON
INVERTER
BYPASS
INVERTER
DISCONNECT
BOTH OFF TO DISCONNECT AC OUTPUT
1234
Inverter out of Circuit