Nibe F2120 - Addressing Comfort Issues

Low hot water temperature or a lack of hot water
This part of the fault-tracing chapter only applies if the heat pump is docked
to the hot water heater.
■
Large hot water consumption.
–
Wait until the hot water has heated up.
■
Incorrect settings indoor module or control module.
–
See the manual for the indoor module or control module.
■
Clogged particle filter.
–
Check whether alarm high condenser out (162) is in the alarm log.
Check and clean the particle filter.
Low room temperature
■
Closed thermostats in several rooms.
–
Set the thermostats to max in as many rooms as possible.
■
External switch for changing the room heating activated.
–
Check any external switches.
■
Incorrect settings in indoor module or control module.
–
See the manual for the indoor module / control module (VVM / SMO).
■
Incorrectly adjusted flow across the heat pump.
–
Check whether alarm high condenser in (163) or high condenser out
(162) is in the alarm log. Follow the instructions for adjusting charge
flow.
High room temperature
■
External switch for changing the room heating activated.
–
Check any external switches.
■
Incorrect settings in indoor module or control module.
–
See the manual for the indoor module or control module.
F2120 not in operation
F2120 communicates all alarms to the indoor module/control module
(VVM / SMO).
■
Ensure that the F2120 is connected to the power source.
■
Check the indoor module/control module (VVM / SMO). See section
"Disturbances in comfort" in the Installer Manual for the indoor mod-
ule/control module (VVM / SMO).
21NIBE™ F2120Chapter 3 | Disturbances in comfort