tekmar 268 Boiler Control - Manual (Page 3)

3 of 32 © 2010 D 268 - 11/10
Stage
Displays which stage relays are turned on.
Primary Pump
Displays when the primary pump relay is
turned on.
Warning / Alert
Displays when an error exists or the alert
relay is turned on.
Pointer
Displays the control operation as indicated
by the text.
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 Installer / Advanced Dip
switch is set to Installer Boiler Pump
Displays which boiler pump relays are
turned on.
Combustion Air Damper
Displays when the Combustion Air Damper
relay is turned on.
Display
Symbol Description
Delta T
The current difference between the supply
and return temperatures.
°F, °C, min, hr
Units of measurement.
Boiler Demand
DHW / Setpoint Demand
WWSD
Priority Override
External Input Signal
Offset
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
Number Field
Displays the current value of the selected item
Buttons
Selects Menus, Items
and adjust settings
DHW
Displays when the DHW relay is turned on.