3
CHARACTERISTICS
3. 1
COMBUSTION CHAMBER
DIMENSIONS
The combustion chamber is a direct
passage type and is conform to the EN
303-3 standard annex E.
The dimensions are shown in fig. 10.
An adequat e pr o t ection panel is
mounted on the inside wall of the rear
head of all the models.
L
mm
SOLO 25 BF TS
405
SOLO 35 BF TS
505
SOLO 35 BF TS PR
505
DUETTO 25 BF TS
405
DUETTO 35 BF TS
505
DUETTO 35 BF TS PR
505
3.2
SYSTEM AVAILABLE HEAD
The head available for the heating
plant is shown as a function of the
flow in graph in fig. 11.
4
USE AND MAINTENANCE
4. 1
RVA 43.222 UNIT
(optional)
The control panel allows the use of a
RVA 43.222 unit (cod. 8096303) sup-
plied in kit form upon request, com-
plete with mounting instructions (fig.
12). Make the electric connection as
shown in point 2.7.
4.4
DISASSEMBLY
OF OUTER CASING
The shell can be completely disassem-
bled for an easy maintenance of the
boiler by following the numeric steps
shown in fig. 14.
4.5
DISASSEMBLY
OF EXPANSION VESSEL
The heating expansion tank is disas-
sembled in the following manner:
Volume
dm
3
24,0
30,5
500
30,5
24,0
400
30,5
30,5
300
200
100
0
270
200
400
600
800
1000
SOLO 25- 35 BF TS/SOLO 35 BF TS PR
SOLO OF/BF
DUETTO OF/BF - OFi/BFi
DUETTO 25 - 35 BF TS/DUETTO 35 BF TS PR
REMOVE
L
1200
1400
1800
2000
1600
PORTATA (l/h)
FLOW RATE (l/h)
Fig. 12
Fig. 10
Fig. 11
71