1.4
FUNCTIONAL DIAGRAM
1.5
COMBUSTION
CHAMBER
The combustion chamber is of the
straight flow type and complies with
standard EN 303-3 appendix E.
The dimensions are shown in fig. 3.
L
mm
Rondò B4
405
Rondò B5
505
1.6
COMPATIBLE BURNERS
In general, the oil burner that is com-
patible with the boiler should use spray
of the semi solid type.
Section 1.6. 1 - 1.6.2 shows the mat-
ching table of the burners together
with the boilers have been tested with.
Volumen
dm
3
24,0
30,5
1.6. 1
"RIELLO" burners
Rondò B4
Rondò B5
1.6.2 "RIELLO" burners - NOx: Class 3
Rondò B4 R2000 G36 RLN
Rondò B5 R2000 G60 RLN
NOTE:
The best emission values are obtained with Danfoss 60°H nozzles. Use of Danfoss 60°H nozz-
les is recommended in the field to ensure continued dependable burner functioning.
270
Model
Nozzle
Tipo
RG1R
DELAVAN
R2000 G38R
DELAVAN
RG1R
DELAVAN
R2000 G46R
DELAVAN
Model
Nozzle
Tipo
DANFOSS
DANFOSS
KEY
1 Cast iron boiler
2 Hydrometer
3 Automatic air-vent (not supplied)
4 C.H. pump (not supplied)
5 D.H.W. tank pump
6 Non-return valve
7 D.H.W. tank expansion vessel
(not supplied)
8 D.H.W. safety valve (not supplied)
9 Magnesium anode
10 D.H.W. drain cock
11 Boiler drain cock (not supplied)
12 C.H.safety valve (not supplied)
13 Burner (not supplied)
14 D.H.W. tank
L
Atomising
ø
angle
0,75
60°W
0,75
60°W
1,00
60°W
0,85
60°W
Atomising
ø
angle
0,60
60°H
0,75
60°H
Fig. 2
Fig. 3
Pump pressure
bar
13,0
12,5
11,5
14,0
Pump pressure
bar
14,0
12,0
29