Monitoring and maintenance
Max. thermostat
To access the max thermostat and the breaker for the tariff
control the front hatch must be opened. The max thermo-
stat is set to limit the max boiler/supply line temperature
for the heating system. Suitable setting is approx. 10 °C
above the dimensioned supply temperature. This is espe-
cially important for under floor heating, to prevent damage
to the floor covering.
Tariff control, (option)
With the switch pressed so that the red marking is visible,
the external water heater is always powered via EVC 13
regardless of external control.
Safety valve
The front hatch must be opened to access the safety valve.
Turn the button anticlockwise and open the hatch.
Manually open and close (turn the knob a click anticlock-
wise) the safety valve approx. four times a year, at which
time check that a small amount of water flows out and
that the valve seals closed. After the checks, ensure that
the system has the required pressure. If necessary top up
with water. This is done using the hose via the drain valve
(51) or via the filler valve fitted by the installer, see the
section ”“Commissioning and adjusting” – “Filling".
Effekt-
begränsning
kW
Temperatur
begränsning
50°C
20
80
60
40
7030
97
11
13
5
5 35
30
10
25
20
15
Säkrings-
storlek (A)
11EVC 13
English
Monitoring and maintenance
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