In event of long power cuts
In the event of prolonged power failure, we recommend
draining the part of the heating system located outdoors.
This is made easier if shut-off valves are installed. Ask your
installer if you are uncertain.
NOTE!
Also disconnect the non-return valve (RM1.2) to
prevent the condenser from freezing.
Silent mode
The heat pump can be set to "Silent mode", which reduces
the heat pump’s noise level. This function can help when
S2125 has to be placed in noise-sensitive areas. The function
should only be used for limited periods, because S2125 might
not reach its dimensioned power.
Fan de-icing
VVM S / SMO S
Menu 4.11.3 - Fan de-icing
VVM / SMO
Menu 4.9.7 - tools
FAN DE-ICING
Setting range: off/on
CONTINUOUS FAN DE-ICING
Setting range: off/on
Fan de-icing: Here, you set whether the "fan de-icing"
function will be activated during the next "active defrosting".
This can be activated if ice/snow sticks to the fan, grille or
fan cone, which may be noticed due to abnormal fan noise
from the outdoor unit.
"Fan de-icing" means that the fan, grille and fan cone are
heated using hot air from the evaporator (EP1).
Continuous fan de-icing: There is the option to set recurring
de-icing. In this case, every tenth defrosting will be "Fan
de-icing". (This can increase annual energy consumption.)
Updating the software
Information about updating software can be found in the
Installer Manual for your indoor module or control module.
NIBE S2125Chapter 4 | Maintenance of S212510
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