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In order to obtain the best combustion performance and e ciency, and for respect of the environment, checks
and adjustment of the combustion must be carried out, and with appropriate tools.
Basic values to be considered are:
—
CO
indicates the amount of excess air during combustion; if air is increased, CO
2
decrease, and if combustion air is decreased, CO
—
SMOKE SCALE (Bacharach) indicates that solid un-burnt particles are present in the smoke. If N°
2 on the BH scale is exceeded the nozzle must be checked for faults and that it is adapt to the
burner and boiler (trade, type, pulverization angle).
Usually the BH scale number tends to decrease, increasing pump pressure, in this case keep the
increasing combustion levels under control.
—
SMOKE TEMPERATURE is a level which indicates heat loss through the chimney; higher the
temperature, greater is the loss and lower combustion e ciency. If the temperature is too high
the quantity of burned light oil needs to be lowered.
IMPORTANT
Existing laws in some countries can require a di erent adjustment to that given here and may also have
di erent parameters. The burners are designed to meet the toughest international laws on energy saving and
respect of the environment.
The release pushbutton on the equipment is the main component for accessing all the diagnostic functions
(activation and deactivation) as well as for releasing the control and checking device.
The release pushbutton has a multicoloured led which indicates the state of the control and checking device
during operation and when the diagnostic function is in use.
C
o
n
d
t i
o i
S
a t
n
d
b
, y
Fuel preheating "on", waiting time 5s.max
g I
t i n
o i
n
C
r o
e r
t c
Incorrect operation, current level of
flame detector below permitted minimum
D
o r
p
n i
B
u
n r
r e
o l
F
a
t l u
s (
e e
Stray light before burner ignition
R
a
p
d i
f
If the burner is locked out, there will be a steady red light on the lock out pushbutton.
By pressing the transparent pushbutton, the control and checking device will be released.
By pressing it for more than 3 seconds, the diagnosis stage will be activated (red light ashes rapidly). The
table below describes the causes of the lock out or fault in relation to the number of ashes (always red).
The diagnosis function is interrupted by pressing the release button for at least 3 seconds.
COMBUSTION CONTROL
LMO EQUIPMENT
EQUIPMENT STATE INDICATORS
n
o
h t
r e
t n i
r e
m
e
d
a i
e t
s
a t
g
e
o
p
r e
t a
o i
n
o v
a t l
g
e
k c
o
t u
a t
b
e l
o
n
p
a
g
e
) 8
a l
h s
n i
g
f
r o
d
a i
g
n
o
i t s
s c
% values increase.
2
Description
t s
t a
s e
19
C
o
o l
r u
e s
q
u
n e
e c
N
o
l
g i
t h
Yellow
e Y
o l l
w
f ,
a l
h s
n i
g
G
e r
n e
Green, flashing
A
e t l
n r
a
n i t
g
e y
o l l
w
e r
R
e
d
R
e
d
f ,
a l
h s
n i
g
Alternating green red
R
e
, d
a r
p
d i
f
a l
h s
n i
g
% values
2
d
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