Service Guide
Programming a Box Door Refrigeration and Fan Restart (I/O Control)
AK-SC 255
ADAP-KOOL® Refrigeration Control System
Service Guide | Programming a box door refrig. /Fan restart AK-SC 255
Programming notes
- Assign the Box Door input to Misc On/Off Inputs
- Program a False Relay in Misc Relay Outputs to act as the door
restart timer
- Setup a Calculation to replace the door input, program it as the
Circuit Door Switch. An open door that exceeds the restart time
will override the door input function.
- I/O comm error (offline) alarms for calculations or Misc ROs
associated with dummy points will need to be Disabled in
Alarms -> Alarm Setup -> System -> Setup
Screen shots:
Configuration / Miscellaneous / On/Off Inputs:
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© Danfoss | ADAP-KOOL® | 2018.08
Service Guide | Programming a box door refrig. /Fan restart AK-SC 255
Configuration / Miscellaneous / Relay Outputs:
Assign the door input switch as the Control Input.
Program the restart time as the Pre Delay.
© Danfoss | ADAP-KOOL® | 2018.08
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Service Guide | Programming a box door refrig. /Fan restart AK-SC 255
Configuration / Miscellaneous / Calculations:
Configuration / Refrigeration / (Rack) / Board and Points / On-Off
Inputs:
Assign the calculation number as the door switch
input for each applicable box, cooler or freezer.
Note: To program an alarm if the door is left open too long, go to:
Configuration / Miscellaneous / Alarms / On-Off Inputs: Select the
actual box door switch input, press Enter, add an alarm.
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already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.
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© Danfoss | ADAP-KOOL® | 2018.08
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