Low room temperature
႑
Closed thermostats in several rooms.
႑
Set the thermostats to max in as many rooms as possible. Adjust the
room temperature via menu 1.1 instead of choking the thermostats.
႑
Heat pump in incorrect operating mode.
႑
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop heating“ in menu 4.9.2.
႑
If mode "manual" is selected, select "heating". If this is not enough,
select "addition".
႑
Too low set value on the automatic heating control.
႑
Enter menu 1.1 (temperature) and adjust the heat curve offset of the
heat curve. If the room temperature is only low in cold weather the
curve slope in the menu 1.9.1 (heating curve) needs to be adjusted
up.
႑
Too low or no operating prioritisation of heat.
႑
Enter menu 4.9.1 and increase the time for when heating is to be
prioritised.
႑
Holiday mode activated in menu 1.3.4.
႑
Enter menu 1.3.4 and select “Off”.
႑
External switch for changing the room heating activated.
႑
Check any external switches.
႑
Air in the climate system.
႑
Vent the climate system.
႑
Closed valves to the climate system.
႑
Open the valves.
High room temperature
႑
Too high set value on the automatic heating control.
႑
Enter menu 1.1 (temperature) and adjust the heat curve offset
downwards. If the room temperature is only high in cold weather the
curve slope in menu 1.9.1 (heating curve) needs to be adjusted down.
႑
External switch for changing the room heating activated.
႑
Check any external switches.
Low system pressure
႑
Not enough water in the climate system.
NIBE™ F1245Chapter 4 | Disturbances in comfort72