6 x Oil burner
41
FA ROTEX A1 BO - 10/2007
6.3.1 Settings
Tab. 6-1 Settings on oil condensing boiler for operation dependent on ambient air
URS12 Conversion kit for the output range 12–14 kW. 15 46 15
URS20 Conversion kit for the output range 20–24 kW. 15 46 24
URS25 Conversion kit for the output range 25–27 kW. 15 46 28
URS35 Conversion kit for the output range 33–35 kW. 15 46 35
The factory-preset values are printed in bold in tab. 6-1.
In the "Air throttle" column, the settings can vary from the specified value depending on the air and flue gas
flow. It is therefore absolutely essential to monitor the air surplus (Lambda) by measuring CO
2
or O
2
(CO
2
target
value = 12.5–13.0%). O
2
target value = 3.3–4.0%).
Unit Boiler
output
Air nozzle Oil nozzle
Danfoss 80°H
Oil pump
pressure
Oil
through-
put
Distance
oil-air nozzle
Recirculation
gap
Air throttle Fan
pressure
Conversion
kit
kW
∅ /
mm USgal/h (GpH) bar kg/h Dimension
Y/mm
Scale/mm % mbar Type
A1 BO 15bio
(Oil Blue
burner BL 15)
12 19 0.30 10.5 1.05 3 2
Y64 Y3.9
URS 12
13 19 0.30 13.0 1.14 3 2
Y68 Y4.4
14 19 0.35 10.0 1.23 4 2
Y70 Y5.0
Series
status
15 19 0.35 12.5 1.32 4 2
Y77 Y6.2
A1 BO 20i
(Oil blue
burner BL 20)
12 19 0.30 12.0 1,05 3 2 Y10 Y4.5
URS1213 19 0.30 13.5 1.14 3 2
Y11 Y5.0
14 19 0.30 15.5 1.23 4 2
Y13 Y5.7
15 19 0.40 10.0 1.32 4 2
Y20 Y6.3
Series
status
16 19 0.40 11.5 1.41 4 2
Y23 Y7.2
17 19 0.40 13.0 1.49 4 2
Y26 Y7.9
18 19 0.40 14.5 1.58 4 2
Y29 Y8.5
19 19 0.40 16.5 1.67 4 2
Y41 Y9.4
20 19 0.40 18.0 1.75 4 2
Y100 Y10.4
A1 BO 27i
(Oil blue
burner B 27)
20 22 0.50 11.3 1.77 4 3
Y32 Y7.4
URS 20
21 22 0.50 12.7 1.86 4 3
Y40 Y7.9
22 22 0.50 14.0 1.92 4 3
Y60 Y8.6
23 22 0.50 15.4 1.98 4 3
Y90 Y9.2
24 22 0.50 16.8 2.10 4 3
Y100 Y8.6
25 24 0.55 11.5 2.16 4 3
Y44 Y6.9
Series
status
26 24 0.55 13.0 2.25 4 3
Y66 Y7.8
27 24 0.55 14.0 2.34 4 3
Y100 Y8.9
A1 BO 35i
(Oil blue
burner BL 35)
25 24 0.55 14.5 2.19 5 2
Y25 Y7.2
URS 25
28 24 0.55 16.7 2.28 5 2
Y29 Y7.8
27 24 0.60 11.5 2.37 2 2
Y30 Y6.7
Series
status
28 24 0.60 13.0 2.48 4 2
Y34 Y6.5
29 24 0.60 13.5 2.55 4 2
Y46 Y7.0
30 24 0.60 14.5 2.65 4 2
Y50 Y7.5
31 24 0.60 15.5 2.72 4 2
Y70 Y7.8
32 24 0.60 16.5 2.81 4 2
Y78 Y8.1
33 27 0.65 13.0 2.90 4 4
Y36 Y6.2
URS 3534 27 0.65 13.7 2.99 4 4
Y40 Y6.7
35 27 0.65 14.8 3.07 4 4
Y42 Y7.2