MT VERNON-AE TROUBLE SHOOTING MANUAL
7020-057D
9-30-2010
BATTERY BACK-UP SYSTEM
PAGE 6
12 VOLT DEEP CYCLE BATTERY AND THE BATTERY
CORD (#12VCORD-AE) IS NEEDED TO POWER THE
SYSTEM.
A/C POWER MUST BE SHUT OFF OR THE POWER
CORD DISCONNECTED FOR THE BATTERY BACK UP
MODE TO ENGAGE. THE WALL CONTROL WILL WALK
YOU THROUGH THE LIGHT-UP PROCEDURES.
(Note: Igniter will not work during battery operation)
CONTROL BOARD
12 volt battery
(Estimated amp draw
is between 3 & 6 amps
during operation)
MAINT BURN WILL DISPLAY
WHEN THE THERMOSTAT HAS
REACHED THE SET ROOM
TEMPERATURE AND WILL RUN
ON LOW UNTIL IT REACHES ITS
AUTOCLEAN CYCLE TIME.
PN# 12VCORD-AE
(72 inches long)
BATTERY WILL NEED TO BE CHANGED OR
CHARGED WHEN VOLTAGE DROPS BELOW 10.