NOZZLE CLEANING AND REPLACEMENT
Use only the suitable box wrench provided for this operation to remove the nozzle, taking care to not damage the elec-
trodes. Fit the new nozzle with the same care.
Note: Always check the position of electrodes after having replaced the nozzle (see illustration). A wrong position
could cause ignition troubles.
5
÷
6 mm
3
÷
4 mm
DESCRIPTION OF THE CONTROL PANEL OF THE BURNER
LANDIS SQM 50.481A2
Remove cover to gain access to the adjusting cams. The cams are to be adjusted through the suitable key provided .
Description:
I
- Limit switch for air damper “High Flame” position adjustment.
II
- Limit switch for the air damper position at burner’s shut down.
III
- Limit switch for ignition flame “Min power” position adjustment.
IV
- Limit switch for air damper “Low Flame” position adjustment.
V
- Limit switch “NOT USED”
VI
- Limit switch “NOT USED”
VII
- Limit switch “NOT USED”.
VIII - Limit switch “NOT USED”.
COMBUSTION AIR FLOW ADJUSTMENT
A
B
C
E
D
F
0
AUTO
0
I
A - selector :
0 = operating elements locked in an
intermediate position
1 = operation on maximum capacity
2 = operation on minimum capacity
3 = automatic operation
B - working lamp
C - termal lock-out lamp
D - fuse
E - main switch I / O
F - reset key
EN
- 14 -
420010351103
Maior P 500/600 PR
