2.7.3 Functional diagram
Thermostat
Resistance
Motor
Ignition.transformer
Gas-oil.valve
Flame
Lock-out.lamp
3
CHARACTERISTICS
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. adequate. protection. panel. is.
mounted.on.the.inside.wall.of.the.rear.
head.of.all.the.models.
.
SOLO 25
SOLO 35
DUETTO 25
DUETTO 35
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.
68
Normal
0÷150 s
~ 12 s
L Volume
3
mm. dm
305.
17,5
405.
24,0
305.
17,5
405.
24,0
Stopped due to failure to ignite
0÷150 s
270
594.(58,21)
600.(58,8)
601.(58,89)
535.(52,43)
500.(49,0)
400.(39,2)
300.(29,4)
200.(19,6)
100.(9,8)
0
200
400
600
~ 12 s
~ 5 s
L
492.(48,21)
455.(44,59)
400.(39,20)
321.(31,45)
239.(23,42)
800
1000
1200
1400
1600
PORTATA.(l/h)
FLOW.RATE.(l/h)
Fig..10
1800
Fig..11