Adjus t menu, Adjust menu (6 of 7) – tekmar 275 Boiler Control User Manual
Page 37

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© 2012 275_D - 11/12
Item Field
Range
Access
Description
Actual Setting
ADJUST
Occ
OFF, 70 to
190°F (OFF,
21.0 to 87.5°C)
Default = 140°F
(60.0°C)
INST
ADV
DHW OCCUPIED
SECTION I
The temperature of the DHW tank during the
wake and occupied periods.
Note: This item is only available when DHW
Mode is 1, 2, 3 or 4, the DHW Sensor is set to
On, and the Pump Sequencer / Off DIP is Off.
ADJUST
UnOcc
OFF, 70 to
190°F
(OFF, 21.0 to
87.5°C)
Default = 120°F
(49.0°C)
ADV
DHW UNOCCUPIED
SECTION I
The temperature of the DHW tank during the
sleep and unoccupied periods.
Note: This item is only available when DHW
Mode is 1, 2, 3 or 4, the DHW Sensor is set to
On, the Pump Sequencer / Off DIP is Off, and
the Setback / Off DIP is set to Setback.
ADJUST
1 to 42°F
(0.5 to 23.5°C)
Default = 6°F
(3.0°C)
ADV
DHW DIFFERENTIAL
SECTION I
The temperature differential (swing up and
down) of the DHW tank from the DHW setting.
Note: This item is only available when DHW
Mode = 1, 2, 3, 4 or 6, the DHW Sensor is set to
On, and the Pump Sequencer / Off DIP is Off.
ADJUST
Occ
100 to 220°F
(38.0 to
104.5°C)
Default = 180°F
(82.0°C)
ADV
DHW EXCHANGE OCCUPIED
SECTION I
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, the DHW Sensor
is set to OFF, and the Pump Sequencer / Off
DIP is set to Off.
ADJUST
UnOcc
OFF, On
Default = OFF
ADV
DHW EXCHANGE UNOCCUPIED
SECTION I
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, the DHW Sensor
is set to OFF, the Pump Sequencer / Off DIP
is set to Off, and the Setback / Off DIP is Off.
ADJUST
1, 2, 3, 4
Default = 2
ADV
DHW BOILER
SECTION I
The number of boilers used for indirect DHW
generation.
Note: This item is only available when DHW
Mode = 1, 2, 3, or 4 and the Pump Sequencer
/ Off 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 J
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 J
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 Menu (6 of 7)
Continued on next page.
ADJUS
T MENU