Draining The Heating Installation; 13 Decommissioning; Decommissioning The Product; Recycling And Disposal - Vaillant VWL Series Operating Instructions Manual

13 Decommissioning

5. Open the stopcock on the filling device.
6. Open the automatic air vent.
7. Use the expansion relief valve to check whether the
heating circuit has been completely drained.
◁
Residual hot water may escape from expansion
relief valve's drain.
12.2

Draining the heating installation

1. Connect a hose to the draining point of the installation.
2. Route the free end of the hose to a suitable drainage
point.
3. Ensure that the installation's service valves are open.
4. Open the drain cock.
5. Open the purging valves on the radiators. Start from
the highest radiator and then work from the top to the
bottom.
6. Once the heating water has completely drained from
the installation, close the purging valves on all the radi-
ators and the drain cock again.
13 Decommissioning
13.1

Decommissioning the product

▶
Disconnect the product from the power grid.
▶
Close the cold-water stopcock.
▶
Close the heating stopcock (flow and return).
▶
Drain the product.
13.2

Recycling and disposal

Disposing of the packaging
▶
Dispose of the packaging correctly.
▶
Observe all relevant regulations.
Disposing of the product and accessories
▶
Do not dispose of the product or the accessories with
household waste.
▶
Dispose of the product and all accessories correctly.
▶
Observe all relevant regulations.

14 Customer service

Validity: Domestic
To ensure regular servicing, it is strongly recommended
that arrangements are made for a Maintenance Agreement.
Please contact Vaillant Service Solutions for further details:
Telephone: 0330 100 3461
40
Installation and maintenance instructions Hydraulic Station 0020291544_01