tekmar 264 Boiler Control User Manual

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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

Stage
Displays which stage relays are turned on.

Primary Pump
Displays when the primary pump relay is
turned on.

Warning / Alarm
Displays when an error exists or the alarm
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.

DHW
Displays when the DHW relay is turned on.