Display
Menu Field
Displays the
current menu
Item Field
Displays an
abbreviated
name of the
selected item
Status Field
Displays the
current status
of the control's
inputs, outputs
and operation
Symbol Description
Stage
Displays which boiler relays are turned on.
Primary Pump
Displays when the primary pump relay is
turned on.
Boiler Pump
Displays which boiler pump relays are
turned on.
Combustion Air Damper
Displays when the Combustion Air Damper
relay is turned on.
Delta T
The current difference between the supply
and return temperatures.
°F, °C, min, hr
Units of measurement.
DHW
Displays when the DHW relay is turned
on.
Number Field
Displays the current value of the selected item
UnOccupied Schedule
Displays when the control is in
UnOccupied Mode.
Occupied Schedule
Displays when the control is in Occupied Mode.
Installer Access Level
Displays when the Advanced / Installer Dip switch
is set to Installer.
Pointer
Displays the control operation as indicated by the
text.
Warning / Alert
Displays when an error exists or the alert relay
is turned on.
Modulating Output Scale
Displays the total modulation output level of the
boilers.
3 of 36
Buttons
Selects Menus, Items
and adjust settings
© 2010
D 265 - 07/10
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