tekmar 422 Universal Reset Module - Manual (Page 11)

11 of 32 © 2007 D 422 - 08/07
Item Field Range Access Description
0 to 50%
Default = 0%
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MINIMUM MODULATION SECTION C
The minimum percent modulation of the burner.
Note: This item is only available when the Boiler
Sensor Sup / Ret DIP switch is set to Sup, the Boiler
On-Off / Mod DIP switch is set to Mod, and the tekmar
stager DIP switch is set to OFF.
50 to 100%
Default = 100%
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MAXIMUM MODULATION SECTION C
The maximum percent modulation of the burner.
Note: This item is only available when the Boiler
Sensor Sup / Ret DIP switch is set to Sup, the Boiler
On-Off / Mod DIP switch is set to Mod, and the tekmar
stager DIP switch is set to OFF.
Au, 5 to 30 min
Default = Au
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CYCLE LENGTH
The cycle length to which all tN4 devices will
synchronize.
OFF, Mb1, Mb2,
Mb3, Mb4
Default = OFF
InS
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SCHEDULE
Selects which network setback schedule the control
will follow.
OFF,
1 (parallel, no priority)
2 (parallel, priority)
3 (pri-sec, no priority)
4 (pri-sec, priority)
Default = 1
InS
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DHW MODE SECTION H
Selects the DHW mode of operation. This determines
the operation of the primary pump in combination
with the DHW pump and whether or not DHW priority
is required.
100 to 220°F
(38.0 to 104.5°C)
Default = 180°F
(82.0°C)
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DHW EXCHANGE OCCUPIED SECTION H
The minimum boiler target temperature to the DHW heat
exchanger during the Wake and Occupied periods.
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 H
Selects whether the control should respond to DHW
demands during the Sleep and Unoccupied periods.
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 J
Selects the Setpoint mode of operation. This determines
the operation of the primary pump.
Adjust Menu (4 of 5)
Continued on next page.
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