Grant Aerona3 Series - Page 43

Section 8: Operation Page 43
(3.0°C)
(4.0°C)
start temperature
hysteresis
Water pump deactivation
Outdoor air temperature
(HP unit built-in sensor)
Water pump ON
OFF
Figure 8-16: Frost protection (outdoor air temperature) - water pump
Table 8-15: Frost protection parameters
Level
Parameter
Function description
Display and input value
Remarks
Group Code Default Min. Max. Unit
I 43 01 Start temperature of frost protection on room air temperature 14.0 0.0 40.0 0.5°C
I 43 02 Hysteresis of room air temperature of frost protection 1.0 0.5 5.0 0.5°C
I 43 11 Start temperature of Frost protection on Outdoor air temperature 4.0 0.0 10.0 0.5°C
I 43 12 Hysteresis of Outdoor air temperature 3.0 0.5 5.0 0.5°C
I 43 14 Hysteresis of Flow water temperature 3.0 0.5 5.0 0.5°C
I 43 21 Start temperature of Frost protection on Flow water temperature 4.0 0.0 10.0 0.5°C
I 43 22 Hysteresis of Flow water temperature 3.0 0.5 5.0 0.5°C
For details of how to access the parameter settings, refer to Section 9.3.
(3.0°C)
(4.0°C)
start temperature
hysteresis
Water pump deactivation
Flow water temperature
Water Pump ON
OFF
Figure 8-17: Frost protection (flow water temperature) - water pump
(1.0°C)
(14.0°C)
Start temperature
hysteresis
Water pump deactivation
Room air temperature
(remote controller built-in sensor)
Water pump ON
OFF
Figure 8-18: Frost protection (room air temperature) - water pump