4 - GraPHs
EG
4.1 - on/off HYsteresis
Heat pump ON
4.2 - oPeratinG ranGe of Heat PUmP/BaCKUP HeatinG
Backup heating
only
P40
4.3 - ClimatiC CUrve (HeatinG moDe)
Return water
P106
P120
4.4 - antifreeze fUnCtion
Atifreeze function
activated
P31
P02
Heat pump OFF
P130
(setpoint)
Heat pump
+
backup heating
P12
setpoint
P105
P130 (setpoint)
Y
X
P121
P32
Atifreeze function
not activated
Return water
temperature
Heat pump
only
Outdoor air
temperature
Outdoor air
temperature
If the antifreeze function is active:
Unit in forced
function for
water heating
Outdoor air
temperature
10
Unit in normal
operation
5°C
15°C
Return water
temperature
(RWT)