Danfoss AK2-SC 255 Reference Manual page 67

RTU cooling
configuration
66
No of return sensors
Controlling sensor
No of supply sensors
Controlling sensor
Lockout on proof failure
RTU cooling is configured after selecting cooling from the RTU configuration menu.
AK2-SC 255 Reference Manual
(0 to 5) The number return air temperature sensors.
(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.
(0 to 5) The number supply air temperature sensors.
(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.
(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.
RS.8D.M1.22