Danfoss AK2-SC 255

66 AK2-SC 255 Reference Manual RS.8D.M1.22
No of return sensors (0 to 5) The number return air temperature sensors.
Controlling sensor (List box:)
Min Temp: Display will be based on the lowest value
of all of the return air temperature sensors (if there are
more than one).
Max Temp: Display will be based on the highest
value of all of the return air temperature sensors (if
there are more than one).
Average: Display will be based on the average of all
the return air sensors (if there are more than one).
Return Air 1-1 (etc.): (each return air temperature
sensor will be available as a choice in the list) Display
will be based on the single selected sensor.
No of supply sensors (0 to 5) The number supply air temperature sensors.
Controlling sensor (List box:)
Min Temp: Display will be based on the lowest value
of all of the supply air temperature sensors.
Max Temp: Display will be based on the highest
value of all of the supply air temperature sensors.
Average: Display will be based on the average of all
the supply air sensors.
Supply Air 1-1 (etc.): (each supply air temperature
sensor will be available as a choice in the list) Display
will be based on the single selected sensor.
Lockout on proof failure (list box: yes, no)
Yes: The fan will be locked out if fan proof is lost for
five minutes. Human intervention will be needed to
restart the fan by using the “Clear” button on the status
screen. Evidence of the locked out condition, and the
means of ending the lockout, are found on the status
screen for cooling or heating function. Status screens
are covered in seciton II of this manual.
No: The fan will not be locked out on proof failure.
RTU cooling
configuration RTU cooling is configured after selecting cooling from the RTU configuration menu.