Element
SECTION 10: The Electronic Operating System (EOS)
L-OMM-0003_A
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11.5.4 View Menu (Home Screen - Default Display)
Figure 76 - Home Screen - Default Display
The
VIEW
menu is the default display (home screen) of the EOS control system and displays
general operation and status information. The default display includes a
Burner
firing rate %
icon for modulating Elements (disregard for fixed rate burners), a
Pump
icon visible whenever
the integral tank circulator is energized, and Failure Messages for alarms or error conditions.
Use the
NEXT ITEM
and
ITEM BACK
buttons to scroll and view the View Menu Item Fields and
their associated values.
The Item Field descriptions are listed below:
Item Field
Description
SETPOINT
Display screen displays the current operating setpoint but does not allow the user to
make changes in this menu.
VENT
Displays the current flue gas temperature as measured by the flue gas sensor located
in the flue outlet.
TANK TOP
Displays the current temperature at the top of the Element
’s tank as measured by the
operating control sensor located near the hot outlet.
TANK BOT
Displays current temperature at the bottom of tank as measured by the control sensor
responsible for regulating the operation of the integral tank circulator.
TANK ΔT
Displays temperature difference between TANK TOP and TANK BOT sensors.
FLAME CUR
Displays burner flame current in approximate µA dc. Since this is an approximation it
is recommended that a flame current measurement be taken at the PIM control board
using a micro-amp meter.
TIME
Displays the real time as programed in the TIME menu.
Pump
: Indicates the integral tank
circulator is energized.
Home
Button
Home Button: Returns user to
the ‘Home’ screen Press and
hold for 3 seconds to access
programming menus.
CTRL TEMP: operating
temperature sensed at the top
of the tank.
Menu Icon
Burner Firing Rate %
icon for modulating
burners. (Disregard for fixed rate burners.)
