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INSTALLING THE AT10.1
23
Please note the following:
• You should set the Float and Equalize voltages to the values
recommended by your battery manufacturer for 77° F (25° C).
• When you enter the Edit mode to adjust the Float or Equalize voltage
(see section 2.3.2), the front panel meter shows the 77° F (25° C) value
for the Float or Equalize voltage, even if the battery is warmer or cooler
than 77° F (25° C).
• The actual output voltage of the AT10.1 may be different from the value
shown on the front panel meter, if the battery is warmer or cooler than
77° F (25° C).
• Use a digital meter to measure the actual output voltage of the AT10.1. If
you know the temperature at the temperature compensation probe, you
can use the graph below to determine that the output voltage is correct.
• If the battery temperature goes below 32° F (0° C), there will be no
further increase in charger output voltage. Likewise, if the battery
temperature goes above 122° F (50° C), there is no further decrease in
output voltage.
OUTPUT VOLTAGE VS BATTERY TEMPERATURE
94
96
98
100
102
104
106
108
20 40 60 80 100 120
Temperature, Degrees Fahrenheit
Percent Output Voltage
Lead-Acid
Nickel-Cadmium
Example:
100 Deg. F
97% Output
Voltage
EXAMPLE: Suppose you have a lead-acid battery whose temperature
is 100° F / 37.8° C. As shown on the graph, the output voltage should
be approximately 97% of the 77° F voltage. If the float voltage is set
on the front panel to 132 Vdc, the actual output voltage will be:
132 x 0.97 = 128 Vdc