©
2010 Magnum Energy, Inc
.
Appendix A - Remote Control and Monitoring
32
MM-RC Remote Only
The MM-RC provides three additional charging LED indicators. Monitor
these indicators for at least 10 seconds to determine the charger status.
BULK
(yellow)
-
• On (solid) - Bulk Charging; the charger is delivering maximum
current to the batteries. The charger will remain in bulk charge until
14.6 VDC* is achieved (determined by the Battery Type selection**).
• Blinks On (1 time every 4 seconds) - Charger Back-off; the charger
current is reduced. This occurs if: 1. The internal temperature is very
hot (the charger reduces the charge rate to maintain temperature);
or, 2. The AC input voltage has fallen below 85 VAC (the charger
reduces the charge rate to help stabilize the incoming AC voltage).
• Off -
charger is not in Bulk Charge mode.
ABSORB
(yellow)
-
• On (solid) - Absorb Charging; the charger is in constant voltage stage
and begins after the bulk voltage has been reached. The DC charging
current will taper down in order to maintain the bulk voltage setting. The
absorb charging time is 120 minutes (per Battery AmpHrs selection**).
• Blinks On (1 time every 4 seconds) - Charger Back-off; the charger
current is reduced. This occurs if: 1. The internal temperature is very
hot (the charger reduces the charge rate to maintain temperature);
or, 2. The AC input voltage has fallen below 85 VAC (the charger
reduces the charge rate to help stabilize the incoming AC voltage).
• Off - charger is not in Absorption Charge mode.
FLOAT
(green)
-
• On (solid) - Float Charging; at the end of the absorb charging time,
the charger reduces the charge voltage to maintain the batteries at
13.4* VDC (determined by the Battery Type selection**).
• Blinks On (1 time every 4 seconds) - Charger Back-off; the charger
current is reduced. This occurs if: 1. The internal temperature is very
hot (the charger reduces the charge rate to maintain temperature);
or, 2. The AC input voltage has fallen below 85 VAC (the charger
reduces the charge rate to help stabilize the incoming AC voltage).
• Blinks On (2 times every 4 seconds) - Full Charge; this mode
monitors the battery voltage to determine when to continue
charging. After four hours in the Float Charge mode, the charger
turns off and goes to Full Charge mode. If the battery voltage drops
to 12.9 VDC, the charger will automatically initiate another
fl
oat
charge.
• Off - charger is not in Float Charge mode.
* These voltage settings are based on the BTS being disconnected; if
connected, these voltage settings will increase or decrease depending
on temperature around the BTS – this ensures correct charging.
** These settings are preset in the inverter (see Table 5, Inverter De-
fault Settings), but can be changed using the ME-RC50 remote.
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