19
EN
HVAC
Demand
Stop
-
-
-
-
-
-
-
Ventilation
Yes
-
ON
-
-
-
-
No
-
-
-
-
-
-
Cooling air (1 stage)
Yes
-
ON
-
ON*
ON
-
No
-
-
-
-
ON
-
Cooling air (2 stages)
If return temp. < 28°C
ON
ON
ON
ON
ON
-
If return temp. > 28°C
ON
ON
-
ON*
ON
-
No
ON
-
-
-
ON
-
Heating air (1 stage)
Yes
ON
ON
ON
ON*
-
-
No
ON
-
-
-
-
-
Heating air (2 stage)
If return temp. < 18°C
ON
ON
ON
ON
-
-
If return temp. > 18°C
ON
ON
-
ON*
-
-
No
ON
-
-
-
-
-
Radiant heating
Yes
ON
-
-
-
-
-
No
ON
-
-
-
-
-
Combined heating
Dif. > Z°C
ON
ON
ON
ON
-
ON
Dif. < Z°C
ON
-
-
-
-
ON
No
ON
-
-
-
-
-
The operation logic of the relays is as follows:
Note:
The activation of compressor outputs
and
alternate.