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RS.8D.M1.22
AK2-SC 255 Reference Manual
83
Shutdown on smoke detect (List box: Yes, No) Whether or not the unit is to be
shut down when its smoke detector is on.
Shutdown on fire alarm
(List box: Yes, No) Whether or not the unit is to be
shut down when a monitored fire alarm occurs.
RTC Cooling
configuration
Select Cooling from the configuration menu for an HVAC unit of type RTC:
Num of cooling stages
(0 to 3) The number of cooling stages in this HVAC
unit.
Control cooling using
(List box:)
Return Air: Cooling will be controlled to satisfy a
return air target temperature.
Average: Cooling will be controlled to satisfy an
average zone temperature target.
High: Cooling will be controlled to satisfy a zone
target temperature for the highest of a number of zone
temperature sensors.
Zone 1(etc.): (each supply zone temperature sensor
will be available as a choice in the list) Control will be
based on the single selected sensor.
Target differential
(0.1 to 100.0) The differential selected creates a
control dead band around the target temperature. For
example, if the target is 72 and the range is 2, the
stage will come on at 74, and will not be turned off
until the temperature reaches 70.
Target temp. for stage:
(0.0 to 99.9) A separate field for each of the stages in
the unit.
Pre delay for stage
(0 to 15) The number of minutes that must elapse
after target plus range is reached before the stage will
come on. There is one field for each stage.
Post delay for stage
(0 to 15) The number of minutes that must elapse
after target minus range is reached before the stage
will be turned off. There is one field for each stage.
Summary of Contents for AK2-SC 255
Page 1: ...REFRIGERATION AND AIR CONDITIONING AK2 SC 255 Reference Manual Users Manual...
Page 2: ...RS 8D M1 22 AK2 SC 255 Reference Manual 1 AK2 SC 255 Rack Controller System Reference Manual...
Page 3: ...2 AK2 SC 255 Reference Manual RS 8D M1 22...
Page 11: ...10 AK2 SC 255 Reference Manual RS 8D M1 22...
Page 157: ...156 AK2 SC 255 Reference Manual RS 8D M1 22...
Page 204: ...RS 8D M1 22 AK2 SC 255 Reference Manual 203...