Trace Engineering DR Series Owner’s Manual - Version 3.2 - 9/7/98 - Page 33
B. Installation with AC Sub Panel
This is the recommended configuration for installing an inverter with the built-in battery
charger. It operates in the following manner: When there is power available at the main panel,
the inverter’s automatic transfer relay closes, connecting the main panel to the sub-panel.
When there is no AC present at the main panel, the relay opens and the sub-panel is fed AC
power generated by the inverter.
Figure 7, Installation with an AC Sub Panel
This installation automatically ensures that public or generator AC power is never routed to the
output of the inverter. The inverter’s AC output cannot be fed to its input. Additionally, the inverter
will only be connected to appropriately sized loads that are dedicated to the sub-panel.
Safety Ground
- See Table 11
on page 47 for
proper wire
size.
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