Whining noise in the radiators
■ Closed thermostats in the rooms and incorrectly set heating curve.
■ Set the thermostats to max in as many rooms as possible. Adjust the
heating curve via menu 1.1 instead of choking the thermostats.
■ Circulation pump speed set too high.
■ Contact your installer!
■ Uneven flow over the radiators.
■ Contact your installer!
Gurgling sound
This part of the fault-tracing chapter only applies if the NIBE FLM accessory
is installed.
■
Not enough water in the water seal.
■
Refill the water seal with water.
■
Choked water seal.
■
Check and adjust the condensation water hose.
Only additional heat
If you are unsuccessful in rectifying the fault and are unable to heat the
house, you can, whilst waiting for assistance, continue running the heat
pump in ”add. heat only” mode. This means that the heat pump only uses
the immersion heater to heat the house.
Set the heat pump to additional heat mode
1.
Go to menu 4.2 op. mode.
2.
Mark ”add. heat only” using the control knob and then press the OK
button.
3.
Return to the main menus by pressing the Back button.
75NIBE™ F1155Chapter 4 | Disturbances in comfort
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