elco L 03.240 DUO, Руководство по эксплуатации

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03/2005 - Art. Nr. 13 018 067A
26
Startup
Adjusting the airflow and fuel-oil pressure
9
8
5
1
4
2
10 6
7
7
3
1 Pressure setting 1
st
stage
2 Pressure setting 2
nd
stage
3 Suction connection G 1/4
4 Return outlet G 1/4
5 Connection for nozzle tube
6 Pressure-gauge connection
fuel-oil pressure
7 Pressure measurement
connection
negative pressure
8 Filter medium
9 Solenoid valve 2
nd
stage
10 Solenoid valve 1
st
stage
Fuel-oil pressure regulation
The fuel-oil pressure, and therefore the
burner power, is adjusted at fuel-oil
pressure regulator
1 for 1
st
stage and at
2 for 2
nd
stage in the pump. Connect a
pressure gauge at point 6 (with R1/8"
thread).
Turn:
–
clockwise to increase pressure,
–
and anticlockwise to decrease
pressure
Checking the negative pressure
The vacuum gauge used for checking
negative pressure (and fitted with an
R1/8" thread) should be attached to
connection
7 . Maximum permitted
negative pressure is 0.4 bar. Higher
negative pressure will cause the
heating fuel-oil to turn to gas, leading to
scraping noises in the pump.
Servomotor Y10
1 Four adjustable red cams
2 Marking to indicate cam setting
relative to scale no. 4
S Adjust screws for cams
4 Three scales divided between 0
and 160°
5 Air-flap setting indicator
6 Removable plug-and-socket
connection
Cam function
I Air-flap setting 2
d
stage
II Air shut-off
III Activation of solenoid valve
2
nd
stage
IV Air-flap setting 1
st
stage
m
Setting
Control cam
III must lie between
control cam I and IV .
Airflow control in the burner head has
an effect on the air quantity, as well as
on the mixing zone and the air pressure
in the burner tube. Turn adjustment
screw
A clockwise to increase airflow,
and anticlockwise to decrease it.
–
clockwise = increased airflow
–
anticlockwise = reduced airflow
·
Adjust dimension Y corresponding to
table of settings.
The combustion air is regulated at two
points:
·
on the pressure side by means of the
opening gap between the turbulator
and the burner tube.
·
On the suction side by means of the
air flap actuated by servomotor
Y10 .
Suction-side airflow regulation is carried
out using an air flap.
This is actuated by servomotor
Y10 .
The position of the air flap is
determined by adjusting cams
I - IV .