Conext Automatic Generator Start Installation

The Xantrex XW Automatic Generator Start Menu
975-0307-01-01 3–29
Relay3
Purpose “Relay3” sets the function of Relay 3 of the Xantrex XW AGS. The function
of Relay 3 affects contacts 19 and 20 of the 20-contact connector and
external wiring harness.
Considerations Selecting a value for “Gen Type” automatically configures “Relay3”.
It might be necessary to manually set “Relay3” according to the make
and type of generator being used.
Some diesel generators require preheating of their glow plugs before
start cranking. Setting “Relay3” to Preheat enables Relay 3 to perform
this function in addition to Relay 1.
Some generators require Relay 3 to switch 12 volts to the glow plugs,
while some generators require ground to be switched to the glow plugs.
“PreheatSDByp” stands for Preheat with Shutdown Bypass. Some
generators require preheat on relay 3 to remain high for crank time and
shutdown bypass period. See “GlowStop Mode” on page C–4 for more
details.
Gen Run Hold Time
Full name Generator Run Signal Hold Time
Purpose “Gen Run Hold Time” specifies the length of time the generator run
signal (or B+ or hour meter signal) must be active before the Xantrex XW
AGS considers the generator to be running and cranking can be
stopped.
Some generators assert their run signal when they are being cranked,
but before they have started. They also have varying delays from when
cranking begins or ends to when the run signal is asserted or
unasserted. The Run Hold Time is designed to accommodate these
generators.
Values Default
NotUsed, Preheat, PreheatSDByp,
WrmUpCoolDn
NotUsed
Values Default
0.0s to 20.0s (increments of 0.5s) 0.5s