Danfoss AK2-SC 255 Reference Manual page 98

Rack controller
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RS.8D.M1.22
Num of aux heat stages
Setpoint
Range +/-
Ambient temp lockout:
No heat above
Range +/-
Minimum run time
Delay between stages
Night setback
Night setback offset
Override switch
Override duration
Num of schedules
AK2-SC 255 Reference Manual
For example, if the target is 68 and the range is 2, the
stage will come on at 66, and will not be turned off
until the temperature reaches 70.
(0 to 4) The number of auxiliary heat stages in the
SC4 unit.
(0.0 to 100.0) The desired temperature at the control-
ling sensor when auxiliary heat is being used.
(0.0 to 9.9) The range selected creates a dead band.
For example, if the target is 68 and the range is 2, the
stage will come on at 66, and will not be turned off
until the temperature reaches 70.
(List box: Yes, No) Whether or not there is to be a
lockout based on low ambient temperature.
(0.0 to 100.0) The ambient temperature above which
heating will be locked out.
(0.0 to 9.9) The range for the lockout. Heating will be
locked out at lockout plus range, and when locked out
will be allowed on at lockout minus range.
(0 to 20) The number of minutes that a stage must run
before being turned off.
(0 to 20) The number of minutes that must elapse
after a stage is turned on before the next stage can be
turned on.
(List box: Yes, No) Whether or not the heating
setpoints are to be raised by an offset (next line)
during the times when cooling is not scheduled to be
on according to a schedule or schedules (next page).
(0.0 to 50.0) The amount by which the heating
setpoints are to be raised during night setback.
(List box: Yes, No) Whether or not there is an over-
ride switch wired to a digital input.
(0 to 1439) The number of minutes that control will be
overridden after operation of the override switch.
(0 to 8) The number of operating schedules entered on
the following page(s).
97

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