Vaillant VRT-QZA Manual De Uso página 37

To adjust
Open the appliance, see chapter 10.2 (fig. 2)
Hold temperature selector (1) set to for example 20 °C.
Pull out temperature selector disc (17) and adjust by 2 °C
(to 18 °C).
Press daytime temperature selector disc back in,
see temperature scale (21).
The temperature thermostat is adjusted to your individual room
circumstances.
12 Commissioning
12.2.4 Limiting the setting range
In fig. 7, the daytime temperature is limited to 15 °C -20 °C.
Turn the temperature selector (1) to the max. value of the
required setting range: to 20 °Cin fig. 7.
Lift the limiting spring (20) and engage it before the limit stop
(18). Turn the temperature selector (1) to the min. value: to
15 °C in fig. 7. Lift the limiting spring (19) and engage it
before the limit stop (18).
Now, the upper and lower values of the setting range are
determined in fig. 7 to 15 °C ... 20 °C
Please note:
The position of the spring marked by the line must
not be changed, as the spring is used to determine the factory-
set temperature setting according to chap. 11.2.3.
GB
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