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25
Operations
Installation, Operation, and Service Manual
Battery Charger
In the Battery Cabinet is a 24 Vdc charger that monitors battery conditions, temperature
and varies charge rate. See the Battery section under Specifications for required quantity
of batteries. The two or four batteries are wired to provide the 24 Vdc required for
controller operation.
The following table describes the wire connections on the charger.
Wire
Connection
Black AC plug
Connects to AC power strip in cabinet.
Black temperature sense Connects to Battery 2 (negative).
White sensor wire
Connects to JP20 on the motherboard in the control cabinet
Black wire/Red wire
Black wire connects to Battery 1 (negative). Red wire connects
to 200 A fuse.
Battery Charger Status
Charger Status is indicated by the LED’s on the front of the charger.
Figure 8 LEDs on charger
Table 13 LEDs description
LED
Description
CURRENT Green LED indicates charge current is being delivered to the battery. LED
intensity increases with charge current.
TRICKLE
Yellow LED indicates battery voltage is below 20 V and the charger is trickle
charging at a low current level.
BULK
Yellow LED indicates battery voltage has dropped below 90% of the float
voltage setting and charger is charging at a high current level.
READY
Green LED indicates battery has reached the float voltage. The charger is
float charging at the float voltage setting.
FAULT
Red LED indicates a charger fault. Charger may be delivering abnormally low
current or has a blown fuse or is not producing the correct output voltage.
NOTE
: Battery Voltage is temperature compensated when the temperature is above 86°F
(30°C).
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