OPERATION AND MAINTENANCE MANUAL
THREE PHASE MCRII SERIES BATTERY CHARGER
Rev: 1.6 03/08/2010 Doc: MAN-3P_MCRII_REV1.6.Doc Page 15 of 29
Magellan Powertronics
68 Cocos Drive, Bibra Lake, WA 6136 Tel: 08 94346621 Fax: 08 94346623
Alarm Reset and Mute
Reset
Operating the Reset key on the front panel will reset any latched alarms, reset the alarm mute
and terminate a battery test (if active). All alarm functions (with the exception of Under and
Over voltage trip) may be preset in either a latching or non-latching state.
When an alarm latch is set to the On position (See User Programmable Set Point
Instructions), both the alarm LED and the common alarm will continue to indicate that an
alarm condition exists until the alarm has cleared and the Reset key on the front panel is
activated. When an alarms latch is set to the Off position, the alarm LED and the common
alarm will only indicate while the alarm condition exists.
Under voltage trip is always non-latching, as it also drives an auxiliary relay whose function
is to reconnect the battery as soon as the charging system returns to normal.
(See Alarm Operational Description).
Over Voltage trip is always latching.
Mute
The Mute key will silence the audible alarm while an alarm state exists.
The operation of the alarm mute has two pre-settable modes. (See User Programmable Set
Point Instructions).
In mode 1, the Mute key will continue to silence the audible alarm until a new alarm
condition occurs, or the Reset key on the front panel is activated.
In mode 2, the Mute key will continue to silence the audible alarm until it is reset by the
Reset key on the front panel. Therefore, any new alarm that occurs after the Mute key has
been activated will not operate the audible alarm.
Constant Current Charging
The MCR Series Rectifier has a built-in constant current charging function to enable the user
to perform commissioning charges when new batteries are installed, or when cycling the
existing battery bank.
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