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4.3 Ciclo de puesta en marcha
(Fig. 19)
A Se ilumina ef LED existente en ef pulsador
de desbtoqueo de fa caja de control (4)
flama se apaga
Si la
durante ef
fas electroválvulas se cierran en menos de un
segundo.
4.4 Presostato aire
Efectuar fa
regufación del presostato de aire
después de haber efectuado todas fas demás
del quemador,
regulaciones
situando ef vofante
al inicio de fa escala tal como puede verse en
fa figura 20.
Con el quemador funcionando, aumentar fa
presión de regulación girando fentamente el
volante en sentido horario hasta
duzca ef bfoqueo def quemador.
Seguidamente retroceder
una marca y repetir el
funcionamiento def quemador. Sí persistiera ef
bfoqueo, retroceder otra media marca.
Por norma, el presostato aire debe intervenir
cuando el CO en los humos supera el 1%
(10.000 p.p.m.).
Para verificarlo,
colocar un
en fa chimenea, cerrar fentamente fa boca de
aspiración del aire del quemador (por ejempfo,
un
con
cartón) y verificar el bloqueo del que-
cuando ef CO
mador
en los humos es superior
al 1%.
6. Anomalías / Soluciones
En fa lista siguiente se ofrecen afgunas causas
de problemas y sus soluciones, problemas que
se traducen en un funcionamiento anormal def
quemador.
Un probfema, en fa gran mayoría de los casos,
da fugar a que se encienda fa señal luminosa
del botón de rearme manual de la caja de con-
trol (4) Fíg. 1.
Cuando se encienda dicha señal, es posible
vofver a poner ef quemador en funcionamiento
después de pulsar este botón; seguidamente,
encendido es
si el
normaf, el paro intempestivo
def quemador puede atribuirse a un p r o b l e m a
ocasional y, en
cualquier caso,
no. caso contrario, si persiste fa actuación de
seguridad* se debe consultar fa tabla.
1. Burner description (Fig.
Fig .
1.
Two stage gas burner.
funcionamiento,
1 -
Pressure switch.
2 - 6 pole socket for gas train.
3 - Control box with 7 pole socket.
4 - Reset button with lock-out famp.
5 - Head hofder assembfy.
6 - Pressure test point.
7 - Ffange with insulating gasket.
8 - Air damper adjustment assembfy.
9 - Afr damper opener motor.
10 - 4 pole socket for 2 ª stage burner.
0 The burner meets protection fevet of IP 40,
EN 60529.
que se
pro-
CE marking according to Gas Appfiance
l
directive 90/396/EEC, PIN 0085AQ0409.
According to directives: EMC 89/336/EEC,
l
Low V o f t a g e
89/392/EEC and Efficiency 92/42/EEC.
Gas train according to EN 676.
l
Burner equipment
1 .1
l
Ffange with insulating gasket . . . . . . . . . . . . . . Nº 1
analizador de CO
Screw and nut for flange.. . . . . . . . . . . . . . . . . .Nº 1
4 Pin PIug ,,.,,.............................. Nº 1
Screws and nuts for ffange to
be fixed to boiler .*...................*..... Nº4
7 pin pfug. . . . . . . ,..**........*..........*... Nº 1
Capacitor.,,,,,,.,,.,,.,.....,............,. Nº 1
2. Technical data
2.1.
Technical Data (Fig. 2)
2.2 OveraI Dimension (Fig. 3)
2.3. Working field (as EN 676) (Fig. 4)
Test boiler
T h e
working field has been defined according
to DIN 4788 and EN 676 standards.
Commercial boilers
The burner-boiler matching is assured if the
boifer is according to EN 303 and the
combustion chamber dimensions are similar to
those shown in the diagram EN 676. For
applications where the boiler is not according
to EN 303, or where the combustion chamber
dirnensions dfffer from those shown in EN 676,
pfease consuft the manufacturers.
Correlation between gas
pressure
(Fig. 5)
To obtain the maximum output, a gas head
pressure of 10,5 mbar, refativefy to CRONO 15-
G2 modef (Fig.11), is measured with the
combustion chamber at 0 mbar using gas G2O
with a net heat value of 10 kWh/m3 (8570
kcal/m3).
sin pefigro algu-
3.1 Boiler
-
Widen. if necessary, the insulating gasket
hofes (3) (see fig. 7).
- Fix the flange (5) to the boiler door (1) using
four screws (4) and (if necessary) the
interposing the ínsulating gasket (3) but keep
unfoosing one of the two upper screws (4)
(see fig. 6).
-Put on the flange pos. 5 the bumer combustion
head, tighten the ffange with the screws pos. 6
and lock the loose screw pos. 4.
NB.: T h e hrner can b e fixed with the variable
dimension (A) (see fig. 8). Anyway, make sure
that the
the boiler door trickness.
The gas traín ís supplied separately, for its
adjustment see the encfosed instructions.
73/23/EEC, M a c h i n e s
and burner output
fixing
(Fig. 6)
combustion
head crosses completety
3.2 Probe-electrode positioning
(Fig. 9)
1)
3.3 Gas feeding
-According to the gas-train cables position on
the right or left side of the burner, reverse the
2 cable wrenches (1) and (2) (see fig. 10).
3.4 Gas feeding line (Fig. ll)
The gas train is supplied separatefy, for its
adjustment see the encfosed instructions.
3.5 Electrical wiring (Fig. 12)
Warning: Do not exchange neutral with phase.
Notes:
-Wires .Qf..?..5_mm?Sec?k?n
-The etectrical wiring carried out by the
must be
instaffer
in force in the country.
* The capacitor has to b e connected to the Ll
and N clamps of the 7 pin plug, supplied with
the burner, or the 7 pin plug of the boiler.
- Connect 2nd stage thermostat between
clamps T6 and T8 removíng the
Testing:
Check the shut-down of the burner by opening
the thermostats, the lock-out and the
connector (C) inserted in the red cable of the
placed out-side of the control box.
probe.
To remove the control-box from the burner,
loosen the screw (A), (fig. 13) after removing all
components, the 7 pin plug, the connector (C),
the high tension cables and_ the earth wire ( H ) .
In case of dissassembly of the control box,
retighten the screw (A) with a torque wrench
setting of 1÷ 1,2 Nm.
4.
Working
4.1 Combustion adjustment
n conformity with Efficiency Directive
1
92/42/EEC, t h e application of the burner on the
boifer, adjustment and testing
out
observing the instruction manual of the
boiler, including verification of the CO and CO2
concentration in the ffue gases, their
temperatures and the average temperature of
the water in the boiler.
required
To suit the
the proper setting of the combustfon head, and
damper
the air
opening.
Combustion head setting
it
depends on the output of the burner and is
,
out
carried
by rotating cfockwise or
counterclockwise the setting screw (6)
setpoint marked on the
with the outside plane of the head assembfy (1)
(see fig. 14).
Note:
The diagram is orientative; to assure a good
working of the burner, we suggest to adjust the
combustion head according to the boiler.
Head assembly removing
To remove the head assembfy, carry
following operations:
Remove the head-older assembfy (1), after
takfng away the screws (7). disconnect the
connections (3 and 5). extract the small tube (4)
and loose the screws (10).
nuts
(2)
Do not modify the setting position of the
bracket-elbow during the disassembly.
R e a s s e m b l y o f t h e h e a d s y s t e m
Warning
- During the reassembfy of the system, tighten
the screws (7) compfetefy (without locking
them), then lock them with a torque wrench
setting of 3 ÷ 4 Nm.
- Control that, during the working, there are not
gas losses coming from the screws.
in compliance with the rules
bridge.
must be carried
appliance output, choose
untff the
regufating rod
(2) is level
out the
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