tekmar 274 Boiler Control - Manual (Page 33)

33 of 44 © 2012 274_D - 11/12
Item Field Range Access Description Actual Setting
ADJUST
1 to 42°F
(0.5 to 23.5°C)
Default = 6°F
(3.0°C)
ADV
DHW DIFFERENTIAL SECTION E
The temperature differential (swing up and
down) of the DHW tank from the DHW setting.
Note: This item is only available when DHW
Mode is set to either 1, 2, 3, 4 or 6 AND the DHW
Sensor is set to On, AND the Pump Sequencing
DIP is set to Off.
ADJUST
Occ
OFF, 100 to
220°F
(38.0 to
104.5°C)
Default = 180°F
(82.0°C)
ADV
DHW EXCHANGE OCCUPIED SECTION E
The boiler supply temperature to the DHW heat
exchanger during the Occupied and Wake periods.
Note: This item is only available when DHW
Mode is set to 1,2,3,4 or 5, AND the DHW Sensor
is set to OFF, AND the Pump Sequencing DIP
is set to OFF.
ADJUST
UnOcc
OFF, On
Default = OFF
ADV
DHW EXCHANGE UNOCCUPIED SECTION E
Selects whether the control should respond
to DHW Demands during the Sleep and
Unoccupied periods.
Note: This item is only available when DHW
Mode is set to 1,2,3,4 or 5, AND the DHW Sensor
is set to OFF, AND the Pump Sequencing DIP
is set to OFF AND the Setback DIP is set to
Setback.
ADJUST 1, 2, 3, 4
Default = 2
ADV
DHW BOILER SECTION E
The number of boilers used for indirect DHW
generation.
Note: This item is only available when DHW
Mode is set to either 1,2,3,or 4 AND the Pump
Sequencing DIP is set to Off.
ADJUST
OFF,
1 (parallel, no priority)
2 (parallel, priority)
3 (pri-sec, no priority)
4 (pri-sec, priority)
Default = 1)
ADV
SETPOINT MODE SECTION F
Selects the Setpoint mode of operation. This
determines the operation of the primary pump
and whether or not priority is required.
Note: This item is only available when
DHW Mode is set to OFF.
ADJUST
Occ
OFF, 60 to
220°F
(15.5 to
104.5°C)
Default = 180°F
(82°C)
ADV
SETPOINT OCCUPIED SECTION F
The minimum boiler target temperature when
a Setpoint Demand is present during the
Wake and Occupied periods.
Note: This item is only available when DHW
Mode is set to OFF.
ADJUST
UnOcc
OFF, ON
Default = OFF
ADV
SETPOINT UNOCCUPIED SECTION F
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 DIP is set to On.
Adjust Menu (5 of 6)
Continued on next page.
ADJUS
T MENU