Danfoss AK2-SC 255 Reference Manual page 71

RTU Heating auxiliary
heat configuration, p2:
staging strategy
70
Num of heat rclm stages
Target temp. stage 1
Pre delay:
Post delay:
Range +/-
Auxiliary Heat type
Fan speed
Night setback
Night setback offset
Override switch
Override duration
Num of schedules
High supply temp lockout (List box: Yes, No) Whether or not heating is to be
Lockout above
Deadband
AK2-SC 255 Reference Manual
sensor.
(0 to 2) The number of stages of heat reclaim in the
rooftop.
[There will be a target and delays for each stage
configured] (0.0 to 100.0) The target temperature for
the heat reclaim stage.
(0 to 60) The number of minutes after target minus
range is reached before the stage will be turned on.
(0 to 60) The number of minutes after target plus
range is reached that the stage will be turned off.
(0.0 to 9.9) The range applied to target prior for
control actions. See preceding two settings.
(List box:)
Staging: Auxiliary heat is staged.
None: There is no auxiliary heat.
Analog valve: Auxiliary heat is regulated by a modula
ting valve.
(List box: High Speed, Low Speed) The fan speed for
heating.
(List box: Yes, No) Whether or not there is to be a
night setback for heat.
(0.0 to 50.0) The amount by which the heating setpoint
(set on previous page) is to be lowered during times
when night setback is scheduled.
(List box: Yes, No) Whether or not there is a night
setback override switch.
(0 to 1439) The number of minutes after operation of
the override switch that night setback will be overrid-
den.
(0 to 8) The number of night setback schedules.
Schedules are entered on thelast page(s) reached by
using the PG DN key.
locked out above a supply air temperature to be
specified on the following line.
(0.0 to 999.9) Above this temperature plus deadband
(next field) heating will be shut down.
(0.0 to 50.0) The number of degrees above the lockout
setting where heating will be shut down. Also, the
number of degrees below the lockout setpoint where
heating will be allowed after being locked out.
RS.8D.M1.22