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Advanced Setup
7–30 976-0043-01-02
Guidelines for setting this menu item:
• When using a DC generator as a charging source, none of the
inverter's charge control features (bulk, absorption, float) will be
available. For battery protection, insure that external charge
management equipment is installed between the charger and the
batteries.
25A RY7 Mode
This menu item allows relay 7 (RY7) to provide three different relay
functions to accommodate either AC or DC generators.
The settings available for AC generators are GS and RN1. These
selections are monitored from the AC2 (generator) input, which tell the
inverter the generator is running.
The setting available for DC generators (or AC generators which do not
require monitoring) is RN2. Since there is no monitoring of the generator
by the inverter in this mode, only one attempt is made to start the
generator.
GS This selection (GlowStop) provides a momentary contact closure
between contacts N.O. (Normally Open) and COM.
When GS is selected as the function of the RY7 relay, the RY7 COM and
RY7 N.O. contacts remain open while the generator is running. The
contacts close when it is time for the generator to be stopped, then they
reopen. This is useful for generators that require a stop signal to shut
down the generator.
The glowstop setting can also be used for a diesel generator. This relay
can be used to provide both the glow and stop signals. RY7 is signaled to
close (between RY7’s COM and N.O. contacts) before cranking (Glow
Plug warming) and when stopping.
Figure 7-5
Generator Control Mode (RN2)
AC
LOADS
INVERTER/
CHARGER
DC
AC
GEN START
MODULE
CONTROL
BATTERY
CONTROL
DC
GENERATOR
DC