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3.1 COMBUSTION
CHAMBER
DIMENSIONS (fig. 10)
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.
3.2
SYSTEM AVAILABLE HEAD
(fig. 11)
The head available for the heating
plant is shown as a function of the
flow in graph in fig. 11.
3
CHARACTERISTICS
L
270
280
Fig. 10
0
200
1600
1400
1200
1000
800
600
400
PORTATA (l/h)
PREV
ALENZA RESIDU
A (mbar)
500
400
100
200
300
AQ
U
A
1800
600
601
594
535
492
455
400
321
239
Fig. 11
~5 s
~12 s
~12 s
0÷150 s
0÷150 s
2.7.3
Functional diagram
Thermostat
Resistance
Motor
Ignition transformer
Gas-oil valve
Flame
Lock-out lamp
Normal
Stopped due to failure to ignite
FLOW RATE (l/h)
RESIDU
AL HEAD
(mbar)
L
Volume
mm
dm
3
SOLO 25
305
17,5
SOLO 35
405
24,0
DUETTO 25
305
17,5
DUETTO 35
405
24,0
Содержание 35
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