Adjus t menu, Adjust menu (2 of 7) – tekmar 275 Boiler Control User Manual
Page 33

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© 2012 275_D - 11/12
Item Field
Range
Access
Description
Actual Setting
ADJUST
2
Mod, OnOF
or
1, 2, 3, 4, Mod
Default = Mod
ADV
BOILER 2 MODE
SECTION D, E, F
Select whether boiler 2 is modulating (Mod) or
on-off (OnOF). If the BTC I / Off DIP switch is
set to BTC I, then select the number of boiler
stages for boiler 2.
ADJUST
3
CP1, Auto, OFF
Default = Auto
INST
ADV
BOILER 3
SECTION C
Selects whether boiler 3 is operational or not.
CP1 copies the settings of boiler 1 to boiler 3
and selects boiler 3 to be operational.
ADJUST
3
Mod, OnOF
or
1, 2, 3, 4, Mod
Default = Mod
ADV
BOILER 3 MODE
SECTION D, E, F
Select whether boiler 3 is modulating (Mod) or
on-off (OnOF). If the BTC I / Off DIP switch is
set to BTC I, then select the number of boiler
stages for boiler 3.
ADJUST
CP1, Auto, OFF
Default = Auto
INST
ADV
BOILER 4
SECTION C
Selects whether boiler 4 is operational or not.
CP1 copies the settings of boiler 1 to boiler 4
and selects boiler 4 to be operational.
ADJUST
Mod, OnOF
or
1, 2, 3, 4, Mod
Default = Mod
ADV
BOILER 4 MODE
SECTION D, E, F
Select whether boiler 4 is modulating (Mod) or
on-off (OnOF). If the BTC I / Off DIP switch is
set to BTC I, then select the number of boiler
stages for boiler 4.
ADJUST
OFF, -60 to
45°F
(OFF, -51 to
7.0°C)
Default = 10°F
(-12°C)
INST
ADV
OUTDOOR DESIGN
SECTION B
The design outdoor air temperature used in the
heat loss calculations for the heating system.
Typically set to the outdoor temperature of the
coldest day of the year. When set to OFF, the
boiler target is fixed to 180°F (82.0°C).
ADJUST
HRF1
HRF2
COIL
CONV
RAD
BASE
Default = CONV
INST
ADV
TERMINAL
SECTION B
The type of heating terminal units that are being used.
Note: This item is only available when the
EMS / Demands DIP switch is set to Demands
and outdoor design is set to a temperature.
ADJUST
35 to 100°F
(2.0 to 38.0°C)
Default = 70°F
(21.0°C)
ADV
BOILER INDOOR
SECTION B
The design indoor air temperature used
in the heat loss calculation for the boiler
zones. Typically set to 70°F (21.0°C).
Note: This item is only available when the
EMS / Demands DIP switch is set to Demands
and outdoor design is set to a temperature.
ADJUST
70 to 220°F
(21.0 to
104.5°C)
Default = 180°F
(82.0°C)
ADV
BOILER DESIGN
SECTION B
The supply water temperature required for
boiler zones on the typical coldest day of the
year. Note: This item is only available when the
EMS / Demands DIP switch is set to Demands
and outdoor design is set to a temperature.
Adjust Menu (2 of 7)
Continued on next page.
ADJUS
T MENU