Programming a Box Door Refrigera-
tion and Fan Restart (I/O Control)
AK-SM 850 / AK-SM 880
Service Guide
ADAP-KOOL® Refrigeration Control System
Service Guide | Programming a box door refrig. /Fan restart AK-SM 850 / AK-SM 880
© Danfoss | ADAP-KOOL® | 2018.08
2 | AX279128352284en-000101
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
Configuration / Alarms / Offline / AK-CM.
Screen shots:
Configuration / Control / Miscellaneous / On/Off Inputs:
Configuration / Control / Miscellaneous / Relay Outputs:
Assign the door input switch as the Control Input.
Program the restart time as the Pre Delay.
Service Guide | Programming a box door refrig. /Fan restart AK-SM 850 / AK-SM 880
AX279128352284en-000101 | 3
© Danfoss | ADAP-KOOL® | 2018.08
Configuration / Control / Miscellaneous / Calculations:
Configuration / Control / Refrigeration / Addresses / On-Off Inputs:
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.
Assign the calculation number as the door switch
input for each applicable box, cooler or freezer.
Service Guide | Programming a box door refrig. /Fan restart AK-SM 850 / AK-SM 880
© Danfoss | ADAP-KOOL® | 2018.08
4 | AX279128352284en-000101
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products
already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.
All trademarks in this material are property of the respecitve companies. Danfoss and Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.
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Danfoss 080Z4001 User guide
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