Vaillant VRT-QZA Manual De Uso página 36

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12 Commissioning
In this case, the on/off analog control switch
fig. 5 (14) is set to "Z".
In the case of installations in which the heat output
is exactly adapted to the calculated heat demand,
we recommend changing analog (continuous)
control. For this, move the on/off analog control
switch (14) to "A".
12.2.2 Altering the night-time temperature
The night-time temperature is factory-set to 15 °C.
This temperature can be set to a value required by
the customer at the night-time temperature potenti-
ometer fig. 5 (15).
36
12.2.3 Adapting the temperature selector
readings
The Vaillant room temperature thermostat is set at the
works. If the room temperature thermostat has not been
mounted at the optimum location it may be that the
room temperature/thermometer display is higher than
the tempereature you have set.
Example:
You have set a temperature of 20 °C at the
device. Your thermometer displays 22 °C after a
(fig. 5)
certain time – the room temperature is stable.
Note!
Open doors and windows as well as direct sun-
shine may not influence the room temperature thermostat.
The temperature selector (1) can be adjusted to the
actual room temperature.
(fig. 6, page 119)

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