baltur BT 75 DSNM/D Manual De Instrucciones página 15

The burner is equipped with an air pressure switch
!
that does not permit the pump motor to operate if the com-
bustion air pressure supplied by the fan does not reach the
level at which the pressure switch has been set. The air
pressure switch must be set during burner ignition according
to the pressure level noted for 1st flame operation.
Control box specifications
Control box Safety Time
& relative in seconds
Programmer
LAL 1.25
Cyclic relay 5
GENERAL DIAGRAM FOR TWO FLAME FUEL OIL BURNERS (MAGNET - NOZZLE WITHOUT PIN)
1 FILTER
2 BURNER PUMP (20÷22 bar)
3 PRESSURE GAUGE (0÷40 bar)
4 ATOMIZER UNIT
5 RETURN NOZZLE WITHOUT PIN
6 ROD WITH CLOSING PINS
7 BY-PASS HOLES
8 CLOUSING SPRING
9 OPENING ELECTROMAGNET
10 2 STAGE PRESSURE REGULATOR (18-20 BAR)
nd
11 1 STAGE PRESSURE REGULATOR (18-12 BAR)
st
Pre-Ventilation & Pre-ignition Time
Oil Pre-circulation
Time
in seconds
22,5
12
13
14
15
16
17
18
19
20
21
22
13 / 30
0006080092_201011
Post-ignition
in seconds Time
in seconds
2,5 5
AIR REGULATION SERVOMOTOR
AIR REGULATION SHUTTERS
FLEXIBLE PIPE
ELECTRIC PRE-HEATER
SELF-CLEANING 0.3 mm FILTER
THERMOMETER
MIN. PRE-HEATER THERMOSTAT
MAX. PRE-HEATER THERMOSTAT
PRE-HEATER ADJUSTER THERMOSTAT
NOZZLE RETURN THERMOSTAT
2 STAGE ELECTROVALVE (USUALLY OPEN)
nd
E
N
G
L
I
S
Time between
1st and 2nd fla-
H
mes in seconds
20