Ecoflam BLU 1700.1 PR Mode D'emploi page 12

420010288700 BLU 1700.1 PR - BLU 2000.1 PR
EN
The Landis control box starts the fan and begins the pre-purging of the combustion chamber. The air pressure switch
controls the correct operation. At the end of the pre-purging phase, the ignition transformer cuts-in followed by the
opening of the gas valves. In case of missed ignition or accidental shutdown, the ionisation probe cuts-in and set the
burner in lockout mode within the safety time.
Gas pressure swi ch
Air pressure swi ch
Transformer
High flame ON/OFF
Flame de ec ion
Lock ou
MANUAL RELEASE
SWITCH
CALCULATING THE BURNER CAPACITY
To calculate the burner's capacity in kW, proceed as follows: Check the gas flow rate (in
liters) on the counter and the time of the reading in seconds.
Proceed with the calculation using the following :
CONTROL BOXES LANDIS & STAEFA LGB22
2
Mo or
1
Gas valve
lamp
LANDIS & STAEFA SQN 30 251A2700 AIR DAMPER MOTOR
Remove cover to gain access to the adjusting cams.The cams are to be adju-
sted through the suitable key provided for. Description:
I
II - Limit switch for the air damper position at burner's shut down
III - Limit switch for air damper "Low Flame" position adjustment
V - Limit switch "NOT USED".
3 4
Description
1 pressure swi ch con rol ime-ou
2 ime-ou for air pressure confirma ion
5
3 prewashing ime
4 safe y ime
6
5 preigni ion ime
6 ime-ou
- Limit switch for air damper "High Flame" position adjustment
(Max. power)
(Min. power)
e x f = kW
sec
12
9"
3"
30"
3"
3"
o enable fuel 2nd valve 8"
e = Litres gas
sec = Time in second
G20 = 34,02
f G30 = 116
G31 = 88