Viessmann VITODENs 200 Installation Instructions Manual page 6

Preparations for boiler installation
1. Prepare the water connections.
Thoroughly flush the heating sys-
tem.
2. Prepare the gas connection
according to TRGI or TRF or all
local regulations.
6
(cont.)
3. Prepare the electrical connections.
&
Mains cable: NYM-J 3 x 1.5 mm
fuse max. 16 A, 230 V~, 50 Hz.
&
Accessory cables: NYM with the
required number of conductors
for the external connections.
&
All cables in area "G" should
protrude 1200 mm from the wall.
2
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