Maintenance of F1245
Regular checks
Your heat pump is, in principle, maintenance free and therefore requires
minimal care after commissioning. However, it is recommended that your
installation is checked and serviced annually by qualified personnel. This is to
ensure the continued efficient operation of your heat pump, and that the
warranty remains valid during the warranty period.
All servicing must be carried out by a person competent for the job.
If something unusual occurs, messages about the malfunction appear in the
display in the form of different alarm texts. See alarm management on page
70.
Level vessel
The brine that obtains the heat in the ground is not normally
consumed but just pumped around. In most installations, there
is a level vessel where you can check if there is sufficient fluid in
the system. Ask your installer if you are unsure where the level
vessel is located. The level can vary due to the fluid’s temperat-
ure. If the level is below 1/3 topping up is required. Contact your
installer for assistance with filling.
1/3
LEK
Expansion vessel
The brine that obtains the heat in the ground is not normally
consumed but just pumped around. In some installations there
is an expansion tank instead of a level vessel (for example, where
the heat pump is not at the highest point in the brine system)
where the system pressure can be checked. Ask your installer if
you are unsure where the expansion tank is located. The pressure
can vary due to the fluid’s temperature. The pressure should not
fall below 0.5 bar. Contact your installer for assistance with
filling.
LEK
19NIBE™ F1245Chapter 2 | The heat pump – the heart of the house
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