FUEL FEED PIPES
ASPIRATED SYSTEM
m
60
50
40
30
ø 8
20
10
1
0
Diagrams refer to light oil with max viscosity 1.5°E (6 cSt) at 20°C.
Key
A Fuel aspiration line
B Fuel filter
C Fuel aspiration line gate
D Flow-stop solenoid valve
E Return line gate
F Return line
G Bottom valve
H Rapid on-off gate with remote control
L One-way check valve
LMO EQUIPMENT
The release pushbutton on the equipment is the main component for accessing all the diagno-
stic 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.
Standby, other intermediate states
Fuel preheating "on", waiting time 5s.max
Ignition stage
Correct operation
Incorrect operation, current level of
flame detector below permitted minimum
Drop in voltage
Burner lock out
Fault
Stray light before burner ignition
Rapid flashing for diagnostics
ø 12
ø 10
4
H-m
2
3
EQUIPMENT STATE INDICATORS
Description
Condition
GRAVITY-DROP SYSTEM
m
ø 10
100
80
ø 8
60
40
ø 6
20
0
1
2
3
0
D
H
G
Colour sequence
No light
Yellow
Yellow, flashing
Green
Green, flashing
Alternating yellow red
Red, flashing
Alternating green, red
Red, rapid flashing
4
H-m
H
L
F
E
A
C
B
Red
UK
35