Check Operation - Vaillant VRT-PZA Mode D'emploi

B Installations instructions – 10 Initial taking into operation

10.1 Check operation

The initial taking into operation 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 by the authorized
installer who has assumed the responsibility for the
installation.
The following instructions
must be carried out
Possibilities for energy saving
Set the day and the time
Enter the heating periods
Check operation
Set flow temperature
10.2 On/off analog (continuous)
The VRT-PZA is factory-set to on/off control.
The authorized installer can change the setting Set the
main switch of the THERMOcompact/COMBlcompact
to „0". Remove the front casing from the mounting
plate according to chap. 8.6.
Detailed notes
If the output of the THERMOcompact/COMBIcompact
in
clearly exceeds the calculated heat demand, for
chap. 1
example to obtain a higher warm water output, the
chap. 3
on/off analog control switch (14) is set to „PZ".
chap. 5
chap. 6
In the case of installations in which the heat output is
chap. 7
exactly adapted to the calculated heat demand, we
recommend to change to analog (continuous) control.
For this, move the on/off analog control switch (14) to
„PA".
control
(Fig. 10)
GB
37