Ionization Current - Ecoflam BLU 1700.1 PR Manual De Instrucciones

ADJUSTMENT OF GAS MINIMUM PRESSURE SWITCH
Unscrew off and remove cover M. - Set regulator N to a value equal to 60% of gas nominal feed
pressure (i.e. for nat. gas nom. pressure = 20 mbar, set regulator to a value of 12 mbar; for
L.P.G. nom. pressure of G30/G31- 30/37 mbar, set regulator to a value of 18 mbar).Screw
up cover M
ADJUSTMENT OF THE AIR PRESSURE SWITCH
Unscrew screws A and B and remove cover C.- Set the pressure switch to the minimum by
turning regulator D to position 1.
- Start the burner and keep in low flame running, while checking that combustion is correct.
Through a small cardboard, progressively obstruct the air intake until to obtain a CO2 increa-
se of 0,5÷0,8% or else, if a pressure gauge is available, connected to pressure port E, until
reaching a pressure drop of 1 mbar (10 mm of W.G.). - Slowly increase the adjustment
value of the air pressure switch until to have the burner lockout. Remove the obstruction
from the air intake, screw on the cover C and start the burner by pressing the control box
rearm button.
Note: The pressure measured at pressure port E must be within the limits of the pressure switch working
range. If not, loose the locking nut of screw F and gradually turn the same: clockwise to reduce the pressure; coun-
terclockwise to increase. At the end tighten the locking nut.
With the burner switched off, connect a DC microammeter with a 0÷50 or 0÷100 µA dial. When the burner
is running, and is properly adjusted, the value read must be steady and never be smaller than 3 µA (1,5 µA
Satronic).
DESCRIPTION OF THE CONTROL PANEL OF THE BURNER
Blu 1700.1 - 2000.1 PR
Blu 1700.1 - 2000.1 MD

IONIZATION CURRENT

LGB21-LGB22 min. 3 µA
LMG21-LMG22 min. 2 µA
1
LANDIS & STAEFA
7
AUTO AUTO
0
PGM EXIT
I
0
AUTO
G
0
K6 AUTO
I
PGM PGM EXIT EXIT
0
RWF 40
LB 509 BLU 1700.1 - 2000.1 PR / MD
1 1 - fuse
2 2 - termal lock-out lamp
8 3 - cover
3
4 - working lamp
4
5 - cover
5
6 - main switch I / O
7 - reset key
6
8 - selector
A A - selector :
B
0 = operating elements locked in an
intermediate position
C
D 1 = operation on maximum capacity
2 = operation on minimum capacity
E
3 = automatic operation
F
B - working lamp
C - termal lock-out lamp
D - fuse
E - Modulating unit RWF 40
F - main switch I / O
G - reset key
pag.19
N
M
I
L
D
C
A
G
B
SATRONIC DMG 972
min. 1,5 µA
1
50 µA
B
H
E
F