2. Danfoss
  3. 084B8020

Danfoss 084B8020, 084B8024, 084B8030, 084B8032, 084B8036, 084B8070, 084B8073, 084B8120, 084B8128, 084B8130, 084B8162 User guide

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1. Import the defrost state from each case controller to the System Manager.
Master Hot Gas Valve
Configuration with AK-IO
and AK-CC550A Case Controllers
Programming Guide
2. Create a calculation for each circuit that is true if any of the case controllers go into defrost.
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3. Program the default AK-IO Master Defrost Valve as a virtual point.
4. Create a master defrost calculation that is true if any IO or Case Controller goes into
Hot Gas defrost.
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5. Link the master defrost calculation to control the physical Master Defrost Relay
which is programmed as a miscellaneous relay.
© Danfoss | DCS (mrb) | 2019.06
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