Commissioning - Vaillant VRT-QZA Manual De Uso

12.1 Commissioning

The initial commissioning of the room thermostat together
with the heating installation as well as the first setting of the
heating programme according to the wishes of the user
shall be carried out ba the authorised installer who has
assumed the responsibility for the installation.
The following instructions
must be carried out
Possibilities for energy saving
Determine operating mode
Set time
Enter heating periods
Check for performance
Set flow temperature
12.2
Set the main switch of the TERMOcompact/
COMBIcompact to "0". After removing the moun-
ting plate according to fig. 2, chap. 9, the au-
thorized installer may make the following changes
Detailed
at the back panel of the room thermostat:
notes in:
12.2.1 On/off analog (continuous) control
chap. 2
chap. 3 The VRT-QZA is factory-set to on/off control. This
chap. 4 type of control is necessary if the output of the
chap. 6 THERMOcompact/COMBIcompact clearly,
chap. 7 exceeds the calculated heat demand, for example
chap. 8 to obtain a higher warm water output.
12 Commissioning
Optional settings
With all optional settings,
observe the following:
GB
35