User manual Document Nr. : 080631 Version : V1.0
MC 785 KLIMA 0-100C Client : General Page : 10 of 16
5. Operation relay outputs
Operation of the cooling and heating.
The cooling (RY5) switches if the temperature is higher than set point + offset cooling +
differential cooling and switches off if the temperature is lower than set point + offset cooling.
The heating (RY4) switches if the temperature is lower than set point + offset heating - differential
heating and switches off id the temperature is higher than set point + offset heating.
Operation of the humidifying and dehumidifying functions
The dehumidifying Relay (RY2) switches on if the RH is higher than set point + offset dehumidify +
differential dehumidify and switches off if the RH is lower than set point + offset dehumidify.
The humidifying Relay (RY3) switches on if the RH is lower than the set point + offset humidify -
differential humidify and switches off if the RH is lower than set point + offset humidify.
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