Class1 Electrical System Manager - Manual (Page 3)

3
Battery Warning
The Battery Warning feature is a special output which indicates different states
of the electrical system. The Class 1 system manager continuously monitors
the rate of discharge (voltage drop per unit time) of the electrical system. The
Battery Warning indicator will flash at a rate proportional to the discharge rate.
More simply, the faster that the voltage is dropping, the faster the indicator will
flash.
When sudden voltage drops are recognized by the system, the light will flash
quickly for three seconds to indicate an instantaneous voltage drop. After the
quick flash, the indicator will revert back to its previous flash rate.
Once the voltage has dropped to a critical level which requires loads to be
shed, the indicator will burn steady and remain on as long as there are loads
in the shed state or loads are in the manual reset state and voltage is low.
The Battery Warning option can assist an operator in identifying a potential
low voltage situation in advance giving the opportunity to react to a poor
voltage situation before it happens.
NOTE: Refer to the section titled “Specifications” at the end of this manual for
more descriptive information on these available modes.
STANDARD PANEL DISPLAY
The
Class1
Electrical System Man-
ager is supplied with an indicator
panel.The indicator panel is designed
to fit in a standard rocker switch cut-
out
(7/8” x 1-1/2”).
The indicator panel consists of four LED’s:
P
OWER
ON (
GREEN WIRE
)
This LED illuminates when power is applied to the
System Manager.
B
ATTERY
W
ARNING
(
YELLOW WIRE
)
This LED is connected to terminal TB#8 and flashes
when system voltage drops below 13.2 VDC.
I
SOLATED
B
ATTERY
L
OW
(
BLUE WIRE
)
OPTION
This LED is connected to TB#7 and illuminates
when an auxiliary battery’s voltage drops below
11.8 VDC for more than two minutes.
O
VER
-V
OLTAGE OR
F
AST
I
DLE
(
BROWN WIRE
)
This LED is connected to TB#15.
G
ROUND
(
BLACK WIRE
)
Connected to a good ground source.