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

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Inform the end user that all the radiator
valves in the room where the product is
installed must be fully open.

3.6 Operation

You can only operate the remote control
unit in combination with the VRC 700f sys-
tem control. This means that it is also ne-
cessary to read through the operating in-
structions for the VRC 700f system con-
trol.
The operating instructions for the system
control will provide you with
– Information on the operating structure.
– Information on the operating concept
with examples.
– A detailed description of the operating
and display functions that the remote
control unit also has.
Operating modes (→ Page 17)
Operating levels (→ Page 17)
The path details given at the start of each
function description indicate how you
reach this function in the menu structure.
3.6.1 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.
14
3.7 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 Menu → Installer 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 17)
Operating levels (→ Page 17)
Installer level (→ Page 20)
The path details given at the start of each
function description indicate how you
reach this function in the menu structure.
3.7.1 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
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 15) will be
displayed.
3.7.2 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.
3.7.3 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.
Operating and installation instructions 0020253110_03