Preparing The Connections - Viessmann Vitodens 100 WB1A Installation And Service Instructions Manual

Preparations for boiler installation
3. Drill 710 mm holes and insert the
rawl plugs.
4. Cut flue pipe opening to 100 mm
7.

Preparing the connections

Note
For dimensions for on-site preparations of the gas and water side connections
see "Overall Appliance Dimensions" on page 7.
1. Prepare the water connections.
Flush the heating system.
2. Prepare gas connection to BS
6891.
Preparing for installation
(cont.)
5. Fit wall mounting frame with
enclosed screws.
3. Prepare the electrical connections.
&
Mains cable: H05V2V2-F 3 G
2
1,0 mm , 230 V~, 50 Hz.
A 1.5m power cable is part of the
standard delivery.
&
Accessory cables: H05V2V2-F 3
2
G 1.0 mm for connection of room
temperature control and DHW
cylinder control (system boiler).
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