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© 2001 Xantrex Technology Inc. 23
P/N 973-0012-01-02 Rev. A 05/01
Setting Parameters (continued)
CHARGED Indicator Setup (continued)
Charger Considerations
There are several different types of chargers (relay, taper or three-
stage) which can affect the settings and prevent the CHARGE LED from
illuminating.
Relay Chargers
Relay type chargers raise the battery to a set voltage level then shut
OFF using only voltage as their parameter. Set the TM500A to the voltage
only mode and set the voltage slightly below the charger turnoff setting.
Taper Chargers
Taper type chargers raise the battery to a specified voltage and shut
OFF when the amperage decreases to a specified level. When using
taper type chargers (pulse-width-modulated), set the voltage and taper
amperage parameters slightly below that of the charger.
If the taper charger is a type that charges up to a certain level and then
waits for a period of time to determine if the batteries are charged, then
set the TM500A to a voltage slightly below the charger’s settings. Set the
time a little shorter than the charger’s time period.
Three-stage Chargers
Three-stage chargers raise the battery to a specified voltage level and
then maintain the batteries at a “Float” voltage and trickle current. Adjust
the TM500A’s voltage parameters slightly below the charger’s float voltage
setting. Set the amperage slightly below the charger’s float amperage
setting.
3.0 CONFIGURATION