Troubleshooting; Changing The Batteries; Decommissioning; Recycling And Disposal - Vaillant VR 91f Operating And Installation Instructions

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.
3.7.4 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.

3.8 Troubleshooting

3.8.1 Fault messages
If a fault occurs in the heating installation,
will appear in the display together with
a fault message.
Troubleshooting faults (→ Appendix B.2)
Troubleshooting errors (→ Appendix B.3)

3.9 Changing the batteries

Danger!
Risk of death caused by un-
suitable batteries!
If batteries – whether re-
chargeable or non-re-
chargeable – are replaced with
the wrong type of battery, there
is a risk of explosion.
▶
Ensure that you use the cor-
rect battery type when repla-
cing batteries.
0020253110_03 Operating and installation instructions
▶
Dispose of used batteries in
accordance with the instruc-
tions in this manual.
▶
Replace the batteries as described in
the product's operating instructions.

3.10 Decommissioning

3.10.1 Decommissioning the heating
installation
▶
Decommission all system components
of the heating installation, as described
in the installation instructions for the
individual system components.
3.10.2 Removing the product from
the wall
1. Take the product out of the unit
mounting bracket.
2. Remove the batteries.
3. Remove the cover on the unit mount-
ing bracket.
4. Unscrew the unit mounting bracket
from the wall.

3.11 Recycling and disposal

Packaging
▶
Dispose of the packaging correctly.
This product is an electrical or electronic
unit within the context of EU Directive
2012/19/EU. The unit was developed and
manufactured using high-quality materials
and components. These can be recycled
and reused.
Find out about the regulations that apply in
your country regarding the separate collec-
tion of waste electrical or electronic equip-
ment. Correctly disposing of old units pro-
tects the environment and people against
potential negative effects.
▶
Dispose of the packaging correctly.
▶
Observe all relevant regulations.
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