2.2 Approximate Air Damper
Setting
Burners are supplied factory set at
the outputs shown.
When commissioning, the air damper
must be adjusted to obtain the
correct CO
2
level and the Installer
must amend the data label.
2.3 Vortex Pro Combi Oil Boilers
using Class C2 Kerosene
.
Vortex Combi e boilers are only for
use with kerosene.
!
NOTE
!
NOTE
The data given above is approximate
only and is based on the boiler being
used with a low level discharge flue.
The above settings may have to be
adjusted on site for the correct
operation of the burner.
Gas Oil is not suitable for use with a
Grant Vortex Pro Combi e boiler.
The net flue gas temperatures given
above are ± 10%.
When commissioning the air damper
must be adjusted to obtain the correct
CO
2
level.
2.4 Flue Gas Analysis
To allow the boiler to be commissioned
and serviced, the boiler is supplied with
a combustion test point on the front
cleaning door. When this test point is
used please note the following:
• The test point is for CO
2
and smoke
readings only.
• The boiler efficiency and
temperature must be taken from the
flue.
• Final combustion readings must be
taken from the flue terminal (or test
point on flue elbow if Green system
is used) with all panels fitted.
Figure 2-1: Vortex Pro External Combi e dimensions
All dimensions in the diagram above are in millimetres.
2.5 Boiler Dimensions
966
239
Combi 21e, 26e
Combi 36e
Side flue exit
if required
Pre-cut hole 75 x 150mm in
each side of boiler enclosure
2 pre-cut holes in base
of boiler enclosure
115mm dia.
754
836
150
73
7533
945
33
75
150
49
49
150
658
Heat
SEDBUK
Nozzle Oil Smoke Burner Fuel Flue gas CO
2
output
SAP 2009
pressure
number head flow temp
Model Burner type kW Btu/h
%
bar kg/h °C %
21e Riello RDB 2.2 21.0 71,650 89.5 0.60/80ºEH 9.0 0-1 T1 1.83
80 (flue)
12
235 (door)
26e Riello RDB 1 26.0 88,700 90.2 0.75/80ºEH 8.0 0-1 T2 2.16 75 - 80 12
36e Riello RDB 2.2 36.0 123,000 91.6 1.00/80ºEH 9.1 0-1 T5 3.01 78 12
Technical Data
7
Plan View
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