
Burner
44
Burner Installation (Riello)
Instructions supplied
with Riello burner
Observe all instructions supplied with
the burner.
Burner Information
Fuel
This boiler is for use with the Riello #2
fuel oil burner supplied by Viessmann
only. Use only the fuel stated on the
rating plate of the burner.
Oil nozzle
The Riello burner for the VR1-33 boiler
is shipped with factory setting and oil
nozzle installed, and should require only
minor adjustments. For VR1-40, and
-50 boilers, replace installed nozzle with
nozzle packaged with burner.
For Riello burner specifications see table
on page 60.
Burner calibration
Ensure that the combustion results of the
oil-fired burner mounted on this boiler are
verified after start-up.
If adjustments are necessary, always
verify results with a calibrated flue gas
analyzer.
For Riello burner specifications see table
on page 60.
This burner is shipped with the oil pump
set to operate on a single line system.
To operate on a two-line system, the
bypass plug must be installed.
The burner is shipped configured for use
in single line applications. No changes
to the oil pump are required for use in
single line applications.
5
6
7
1
0
4
4
v
1
.0
DO NOT USE GASOLINE
CRANKCASE DRAININGS OR ANY
OIL CONTAINING GASOLINE
.
WARNING
IMPORTANT