8 Guarantee and customer service
38 Operating instructions VRT 350f 0020131979_00
▶ Instead, take the unit and batteries to a collection point
for recycling electrical and electronic devices.
▶ For more information on where to take your used bat-
teries and electrical and electronic devices, contact your
town or district authorities, waste disposal company, or
the competent person who installed the unit, or the busi-
ness that sold you the batteries.
Packaging
Leave the disposal of the transport packaging to the ap-
proved heating specialist company that installed the appli-
ance.
8 Guarantee and customer service
8.1 Warranty
We only grant a Vaillant manufacturers warranty if a suit-
ably qualified engineer has installed the system in accord-
ance with Vaillant instructions. The system owner will be
granted a warranty in accordance with the Vaillant terms
and conditions. All requests for work during the guarantee
period must be made to Vaillant Service Solutions (0870
6060 777).
8.2 Customer service
To ensure regular servicing, it is strongly recommended
that arrangements are made for a Maintenance Agreement.
Please contact Vaillant Service Solutions for further details:
+44 80 70 606 07 77
9 Technical data
9.1 Control
Description Value
Power supply voltage Umax 4 x 1.5 V (AA)
Battery working life (alkaline) ≈ 1.5 y
Level of protection IP 20
Protection class III
Max. permissible ambient temper-
ature
50 ℃
Transmission frequency 868 MHz
Transmission power < 10 mW
Range outdoors > 100 m
Range indoors ≈ 25 m
Height 115 mm
Width 147 mm
Depth 50 mm
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