Operating And Display; Functions - Vaillant VR 91f Operating And Installation Instructions

– Information on the operating concept
with examples.
– A detailed description of the operating
and display functions that the remote
control unit also has.
3.5.1 Resetting to factory setting
You can use this function to reset all the
set values that you configured using the
remote control installation assistant.
The communication link between the
remote control and the radio receiver unit
must not be broken or interrupted.
You can access the Reset to default
setting? function directly by activat-
ing the remote control using the rotary
knob or one of the selection buttons and
then pressing and holding both selection
buttons at the same time for at least 10
seconds.

3.6 Operating and display

functions

The remote control has an end user level
and an installer level.
The setting and read-out options for the
competent person can be found via the
selection button MenuInstaller level →
Enter code.
If you do not know the code, you can clear
the code using the Default setting func-
tion. All the set values will be lost if you do
this.
Operating modes (→ Page 15)
Operating levels (→ Page 15)
Installer level (→ Page 18)
The path details given at the start of each
function description indicate how you
reach this function in the menu structure.
3.6.1 Reading the fault status
Menu → Installer level → System config-
uration [System ----] → Fault status
– This function allows you to read the
status of the heating installation. If there
0020253110_01 Operating and installation instructions
For the competent person 3
is no fault present, the No fault mes-
sage appears. If a there is a fault, then
Fault list appears as a status. If you
press the right-hand selection button,
the fault messages (→ Page 14) will be
displayed.
3.6.2 Reading the software version
Menu → Installer level → System config-
uration [System ----] → Control modules
– You can use this function to read the
software versions of the remote control
unit.
3.6.3 Setting the address for the
remote control unit
Menu → Installer level → System config-
uration [System ----] → Remote control
address
– You can use this function to set the ad-
dress for the remote control unit.
Every remote control unit has a unique ad-
dress, starting with Address 1. Increase
the number in the address consecutively
for each additional remote control unit
used.
If you change the remote control's ad-
dress, the pairing process starts automat-
ically. For the radio receiver unit to detect
that the remote control has a new address,
you will need to press the pair button on
the radio receiver unit within 10 seconds.
3.6.4 Reading the reception
strength
Menu → Installer level → System config-
uration [System ----] → Signal strength
– You can use this function to read how
strong the radio link between the radio
receiver unit and the remote control is.
– 4: The radio link is within the acceptable
range. If the reception strength is < 4,
the radio link is not stable.
– 10: The radio link is highly stable.
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