tekmar 420 Boiler Reset Module - Manual (Page 9)

9 of 24 © 2007 D 420 - 08/07
Item Field Range Access Description
100 to 220°F
(38.0 to 104.5°C)
Default = 180°F
(82.0°C)
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DHW EXCHANGE OCCUPIED SECTION F
The minimum boiler target temperature to the DHW
heat exchanger during the Occupied period.
Note:
This item is only available when DHW Mode
is set 1 through 4.
OFF, ON
Default = OFF
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DHW EXCHANGE UNOCCUPIED SECTION F
Selects whether the control should respond to DHW
demands during the Unoccupied period. This item is
only available when DHW Mode is set 1 through 4
and a network setback schedule is selected.
OFF,
1 (parallel, no priority)
2 (parallel, priority)
3 (pri-sec, no priority)
4 (Pri-sec, priority)
Default = 1
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SETPOINT MODE SECTION H
Selects the Setpoint mode of operation. This
determines the operation of the primary pump.
60 to 220°F
(15.5 to 104.5°C)
Default = 180°F
(82.0°C)
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SETPOINT OCCUPIED SECTION H
The minimum boiler target temperature when a
setpoint demand is present during the Occupied
period.
Note:
This item is only available when Setpoint Mode
is set 1 through 4.
OFF, ON
Default = OFF
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SETPOINT UNOCCUPIED SECTION H
Selects whether or not a Setpoint demand will be
responded to during the UnOccupied period.
Note:
This item is only available when Setpoint Mode
is set 1 through 4 and a network setback schedule
is selected.
40 to 100°F, OFF
(4.5 to 38.0°C, OFF)
Default = 70°F (21.0°C)
InS
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WWSD OCCUPIED SECTION B
The system’s warm weather shut down temperature
during the Wake and Occupied periods.
40 to 100°F, OFF
(4.5 to 38.0°C, OFF)
Default = 60°F (15.5°C)
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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 the Schedule
is not set to OFF.
Adjust Menu (3 of 3)
ADJUS
T MENU
After the last item, the control returns to the first item in the menu.