tekmar 275 Boiler Control - Manual (Page 38)

© 2012 275_D - 11/12 38 of 48
Item Field Range Access Description Actual Setting
ADJUST
UnOcc
OFF, On
Default = OFF
ADV
SETPOINT UNOCCUPIED SECTION J
Selects whether the control should respond to
Setpoint demands while in unoccupied mode.
Note: This item is only available when DHW
Mode is set to Off, and Setback / Off DIP is
set to On.
ADJUST OFF, On
Default = On
ADV
ZONE LOAD SHEDDING SECTION R
Selects whether Zone Load Shedding is active
or not.
Note: This item is only available when a tN4
device is present and Boiler Minimum is set to
a temperature.
ADJUST
OFF, AUTO,
0:20 to 4:00
hours
Default = OFF
ADV
PRIORITY OVERRIDE SECTION I, J
The amount of time priority is given for DHW or
Setpoint operation before space heating resumes.
Note: This item is only available when DHW
Mode is set to 2, 4, or 5, or Setpoint mode is
set to 2 or 4.
ADJUST
Occ
35 to 100°F,
OFF
(2.0 to 38.0°C,
OFF)
Default = 70°F
(21.0°C)
INST
ADV
WWSD OCCUPIED SECTION B
The system’s warm weather shut down temperature
during the wake and occupied periods. The
WWSD applies to the space heating loads only.
It does not affect DHW or Setpoint heating loads.
Note: This item is only available when EMS /
Demands DIP is set to Demands.
ADJUST
UnOcc
35 to 100°F,
OFF
(2.0 to 38.0°C,
OFF)
Default = 60°F
(15.5°C)
ADV
WWSD UNOCCUPIED SECTION B
The system’s warm weather shut down temperature
during the sleep and unoccupied period.
Note: This item is only available when EMS /
Demands DIP is set to Demands and Setback
/ Off DIP is set to Off.
ADJUST
Primary 12
hr
12 to 180 hours,
OFF
Default = 96
hours
ADV
ROTATE PRIMARY PUMPS SECTION L
Select the frequency of rotation of the primary pumps.
Note: This item is only available when Pump
Sequencer DIP is set to Pump Sequencer.
ADJUST
Primary
min
OFF, 0:10 to
19:55 minutes
Default = 0:20
min
ADV
PURGE PRIMARY PUMP SECTION L
Time the primary pump remains on once the
demand is removed to purge heat from the
boiler.
ADJUST
min
OFF, 3 to 40
minutes
Default = 20
minutes
ADV
BOILER ALERT SECTION M
Alert signal if boiler supply does not increase
in temperature within the selected time.
Note: This item is only available when
RELAY is set to Alert (ALRT).
Adjust Menu (7 of 7)
ADJUS
T MENU
After the last item, the control returns to the first item in the menu.