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975-0082-01-01 57
Configuration of the Xanbus AGS
Relay3
Purpose "Relay3" sets the function of Relay 3 of the 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 84 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
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.
Considerations This setting is automatically configured when a "Gen
Type" is selected for the generator. Manually change this setting only on
the advice of the generator manufacturer or authorized service personnel.
If the installation is made without a B+ connection, it might be necessary to
adjust the Gen Run Hold Time for the AGS to successfully start the
generator. When the B+ signal is not connected, the AGS requests generator
status from the Inverter/Charger, which might take longer that if the B+
signal was connected.
Values Default
NotUsed, Preheat, PreheatSDByp NotUsed
Values Default
0.0s to 20.0s (increments of 0.5s) 0.5s