Electrical Systems
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The inverter uses a battery temperature sensor to adjust charge voltage.
When the battery temperature rises the BTS will send this information, register-
ing as counts, to the inverter to decrease charge voltage. Voltage compensation
with temperature variation is necessary to keep charge voltage at optimum
figures. The BTS should be adhered to a house battery. If the BTS is unplugged,
the inverter default setting of 77º is used as the charge temperature reference
point.
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Incorporated in the inverter is a double pole “pass-through” relay which trips
when AC power is supplied to the input terminals. This will transfer AC power
through the inverter to a sub panel supplying AC power to outlets and appli-
ances. When AC power is supplied to the inverter, the internal battery charger
will “ramp up” battery charging voltage. A 20 second time delay allows charge
stabilization before pass through AC power is supplied to the sub panel.
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This field is a general overview of system status. This is the primary screen
of the RC7 remote. This field area includes:
• Waiting for AC: System inactive waiting
for AC power to be supplied.
• Inverting: Unit is inverting.
• Charging Cycle Status: Bulk, Absorb or
Float mode.
• Battery State of Charge: Based on the Fuel
Gauge Cutout setting. It may be displayed in
percentages or as a fuel gauge.
• Time Left To Run: This evaluates the
battery reserve capacity at current operating
load. It is based on the Fuel Gauge Cutout
and Battery Bank Capacity settings.
• Time Left To Charge: Estimated time left to
charge batteries to full state of charge. This
is based on Fuel Gauge Cutout and Battery
Bank Capacity settings with current battery
voltage.
• Generator Start/Stop: Use inverter ON/OFF
button to remotely start generator or to over-
ride automatic generator start feature for
manual operation. This feature is available
for use without altering automatic generator
start programming.
5•139
EXECUTIVE
Battery Temperature
Sensor (BTS)
Pass-through
AC Power
Operating Display
Battery Temperature Sensor.
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