Preparing The Boiler Installation - Viessmann Vitoladens 300-C Installation Instructions Manual

Overview of connections
S Drain valve
T Neutralising system (accessories)

Preparing the boiler installation

1. Prepare the water connections.
Flush the heating system thor-
oughly.
2. Prepare the oil connections (oil fil-
ter).
& Single line filter (magnum filter
bowl with large filter insert, filter
mesh max. 40 µm) with automatic
fuel oil air vent valve (see
page 17).
& Fit the filter as near as possible
to the lower edge of the l.h. side
panel to leave the flexible oil
lines long enough to enable the
burner removal.
6
(cont.)
3. Prepare the electrical connections.
& Power cable (sheathed cable):
NYM-J 3 x 1.5 mm
max. 16 A, 230 V/50 Hz
& Accessory cables: NYM with the
required number of conductors
for the external connections
2
, fuse