11
Room temperature is distinctly above the set temperature
Possible causes
Remedies/comments
–
The thermostatic valve does not capture – Take care that the thermostatic valve
the room temperature but is influenced
will be exposed to the circulating air
by colder air, e.g. draught
of the room without any obstacle
– External heat influences could cause an – Thermostatic valves utilize the external
increase of the room temperature alt-
heat supplied free of charge for room
hough the thermostatic valve did shut
heating and, thus save energy
off the supply of hot water to the
radiator
Noise in the thermostatic valve
Possible causes
Remedies/comments
–
Excess differential pressure
– Arrange for reduction of pump pressure or
have the hot water distribution checked
– Air in the heating system
– Vent the heating system, refill water
– Wrong flow direction passes through
– Arrange for the flow direction to be
the radiator
corrected or have a corresponding valve
installed
Room temperature is distinctly below the set temperature
Possible causes
Remedies/comments
–
The thermostatic valve with incorpo-
– Take care that the thermostatic valve
rated sensor is covered with curtains,
will be exposed to the circulating air of
radiator covers or panelling etc.
the room without any obstacle or have
a remote sensor or remote dial installed
– The thermostatic valve with incorpora-
– Arrange for installation of a remote
ted sensor is mounted in vertical position
sensor or remote dial
– The nominal performance of the radiator – Have the heating curve or the radiator
is insufficient in relation to the size of the
performance adapted
room
– The heating system does not supply
– Arrange for checking of heating curve,
sufficient energy
circulation pump, time programme,
heat generator, etc.
