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118157-001 Rev C
Main Input Power Connections (I/O System Interface Box):
The main input power connections will depend on the power rating of the XRV Generator. A 4kW XRV
Generator will require a single phase 180Vac to 264Vac source while the 6kW XRV Generator requires a
3 phase 208Vac +/-10% Input. The input voltage requirement for the 6kW units must be specified by the
user when purchased. If the user installs the input power cables, the appropriate wire size must be used.
Recommended wire for the 4kW generators and below is copper stranded #8 AWG. The wire size for the
6kW 3 phase systems is #10AWG due to the higher current draw on the input line. With the exception of
the Cooler/Chiller and Power Door Interlock connections, all of the cabling and connectors are provided
with the I/O System Interface Box to easily connect all of the subsystem components.
Note: Although a 3 phase 400Vac system can be selected, the I/O Subsystem Box for that voltage is
not available at this time.
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