elco VGL 06.1200 DP, Manual

Page: 43 / 52

43 06/2011 - Art. Nr. 13 018 118C
A Scale (0° to 90°) indicating the
servo drive setting
B Coupling between air flap
and servomotor
C Air flap setting indicator
Checking the air flap setting
The air flap setting can be read
using scale
A of the air flap servo-
motor.
With overhead assembly of the burner,
the air flap setting can be read from
dial
2 .
Cam function
Cam Function
I Air flap/oil and gas full load
II Air flap/air damper
III Air flap/gas ignition load
IV Air flap/ignition load and 1st
stage oil
V Air flap min. gas
VI Air flap/2nd stage oil
VII Oil valve/2nd stage
VIII Oil valve/3rd stage
Setting
•
Set the cams manually or with the
key provided, in accordance with the
required burner power and the
values indicated in the setting table.
The following relationships must be
observed between cam settings:
•
When operating with gas, the
ignition load (cam III) setting can be
above or below the low load
(cam V) setting.
Start-up
Air regulation
1 Cam setting indicator
2 Eight adjustable cams
3 Dial with scale;
specifies position of the air flap
4 Connection strip
5 Cam setting key
6 Servomotor identification
C Button to disengage the cam
cylinder (with locking pin)
m
Do not activate!
Servomotor
The air flap is adjusted via an electrical
servomotor (type SQM50/481 A2).
The eight cams of the servomotor are
used to adjust the air flap setting to the
various points of the burner’s operation.
When operating with gas, a three-point
regulator is available to give step-free
regulation of the volume of combustion air.
10
•
When operated with oil, the ignition
stage is the same as the first stage.
•
Cam VII must be adjusted a few
degrees below cam VI.
•
Cam VIII must be adjusted a few
degrees below cam I.
Type
3 Stage
Dual fuel
Burne
r
power
kW Cam setting in °
I II III IV V VI VII VIII
VGL 06.1200
VGL 06.1600
700
900
1100
1200
40
50
55
60
0
0
0
0
10
10
10
10
20
22
25
28
20
20
20
20
30
37
40
40
25
30
35
35
35
45
50
50
VGL 06.1600
1100
1300
1600
55
70
90
0
0
0
10
10
10
25
30
30
20
20
20
40
45
50
35
35
40
50
60
75
VGL 06.2100
1150
1400
1700
1900
2050
52
65
80
100
100
0
0
0
0
0
10
10
10
10
10
25
25
35
35
40
20
20
20
20
20
42
45
55
55
60
30
40
47
48
50
47
60
70
70
75
EN