MP SERIES™ Battery Backup System for Traffic Signals: MP2000E System
Volume One: Operating Manual
Page 7-17
•
E
XTERNAL
F
AN
C
ONTROL
: Set so that an MP2000 controlled 48VDC exhaust fan does not
conflict with an anti-condensation heater or an air conditioner. An external button
thermostat in front of an air conditioner cool air outlet and electrically in-line with the
exhaust fan will preclude simultaneous air conditioner and exhaust fan operation after
the cabinet door is closed on a hot day. See MP2000 LCD settings menu external fan
control. The fan ON/OFF follows the battery temperature reading.
•
P
ASSWORD
P
ROTECTION
: Use the MP2000 LCD control menu to enable / disable password
protection. Use the MP2000 LCD maintenance menu to change the password.
•
B
ATTERY
T
EST
S
ETTING
: Reference the battery OEM ah capacity and runtime chart to
make the battery test (self-test) setting. See the MP2000 LCD maintenance menu
battery test setting. Typically set the battery test according to site criteria for runtime.
7.f.2 Battery OEM Specifications
Battery OEM specifications affecting alignment procedures include:
•
Set battery temperature compensation per the battery manufacturer’s specification. See
MP2000 LCD settings menu battery temperature compensation.
•
Reference the battery OEM ah capacity and runtime chart to make the battery test (self
test ) setting. See the MP2000 LCD maintenance menu battery test setting. Typically
prioritize the setting per site criteria for runtime.
7.f.3 End Equipment Voltage Requirement
Use the end equipment VAC range specifications as criteria to make the high limit, low limit,
and buck / boost ( AVR ) settings. See the Voltage Measurement section of this manual. See
also the line qualify time – MP2000 LCD settings menu line qualify.