It can be dened whether humidity control is active during defrost or not.
Figure 17: Humidier control
Danfoss
80G8221
Humidity
Time
Humidity diff.
SP
Humidifier
100%
If the humidity gets below the SP, then humidication is started via a DO signal to a humidier.
If the humidity increases to SP + humidity dierential, then humidication is stopped.
Figure 18: Dehumidier control
Danfoss
80G8222
Humidity
Time
Humidity diff.
100%
SP
Dehumidifier
If the humidity rises above the SP, then dehumidication is started via a DO signal to a dehumidier.
If the humidity drops below the SP – Humidity dierential, then dehumidication is stopped.
Heating function (only with custom set-up)
The heating function is used to prevent the temperature from becoming too low, e.g. in a cold room, etc. The limit
for when the heating function cuts o is set as an oset value below the current cut-out limit for the refrigeration
thermostat. This ensures that refrigeration and heating do not occur simultaneously. The dierence for the heating
thermostat has the same value as for the refrigeration thermostat. To prevent that the heating thermostat cuts in
during short-term drops in air temperature, a time delay can be set for when to change from refrigeration to
heating.
© Danfoss | Climate Solutions | 2021.02 BC364229688105en-000101 | 19
AK-CC55 Single Coil and Single Coil UI
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