tekmar 374 Universal Reset Control - Manual (Page 28)

© 2009 D 374 - 03/09 28 of 36
Adjust Menu (3 of 4)
A
Boiler Terminal Unit The type of terminal units that are
being used in boiler zones. This item is only available
when the
Boiler Sensor Return / Supply DIP switch is set
to Supply.
1 (HRF1), 2 (HRF2),
3 (COIL), 4 (CONV),
5 (RAD), 6 (BASE)
Default = 4
B1
Boiler Indoor The design indoor air temperature used
in the heat loss calculation for the boiler zones. This item
is only available when the
Boiler Sensor Return / Supply
DIP switch is set to Supply.
35 to 100°F
(2 to 38°C)
Default = 70°F (21°C)
B1
Boiler Design The design supply water temperature
used in the heat loss calculations for the heating system.
This item is only available when the
Boiler Sensor
Return / Supply DIP switch is set to Supply.
70 to 220°F
(21 to 104°C)
B1
Boiler Minimum The minimum allowed boiler target
temperature and boiler protection temperature. Check the
boiler(s) manufacturer’s manual for recommend supply
water temperatures.
OFF, 80 to 180°F
(OFF, 27 to 82°C)
B1
Boiler Maximum The maximum allowed boiler target
temperature. This item is only available when the
Boiler
Sensor Return / Supply DIP switch is set to Supply.
120 to 225°F
(49 to 107°C)
B1
Fire Delay The time delay the control can expect between
the time that the relay contact closes to fire the boiler and
when the burner actually fires. This item is only available
when the
Boiler Sensor Return / Supply DIP switch is set
to Supply.
0:00 to 3:00 minutes
(1 sec increment)
Default = 0:10 min
B1
Boiler Mass The thermal mass characteristics of the
boilers that are being used. This item is only available
when the
Boiler Sensor Return / Supply DIP switch is set
to Supply.
1 (Lo), 2 (Med), 3 (Hi)
Default = 2
B1
Stage Delay The minimum time delay between the
operation of stages. This item is only available when
the
Boiler Sensor Return / Supply DIP switch is set to
Supply.
Au, 0:30 to 20:00
minutes
(5 sec increments)
Default = Au
B1
Boiler Differential The temperature differential that the
control is to use when it is operating the boiler(s). This item
is only available when the
Boiler Sensor Return / Supply
DIP switch is set to Supply.
Au, 2 to 42°F
(Au, 1 to 23°C)
Default = Au
C1 DHW Mode Selects the DHW mode of operation.
1 (parallel, no priority),
2 (parallel, priority),
3 (pri-sec, no priority),
4 (pri-sec, priority)
Default = 1
C1
DHW Exchange Occupied The minimum boiler
temperature to the DHW heat exchanger during the
Occupied period. This item is only available when the
Boiler Sensor Return / Supply DIP switch is set to Supply.
OFF, 100 to 220°F
(OFF, 38 to 104°C)
Default = 180°F (82°C)
C1
DHW Exchange Unoccupied Selects whether the
control should respond to DHW demands during the
Unoccupied period. This item is only available when the
Boiler Sensor Return / Supply DIP switch is set to Supply
and the Setback / Off DIP switch is set to Setback.
OFF, On
Default = OFF
Display Description Range
Section Installer Ad
v
Actual
Setting