420010331900 Maior P 150.1/200.1 AB
EN
In case of burner lockout, it is possible to read which cause originated it. Proceed as follows: with the burner in lockout mode (red
LED switched on) keep pressed the lockout button for more than 3 sec. then release it. The red LED will blink according to the
following error code list:
Error Code
2 blinks
3 blinks
4 blinks
5 blinks
6 blinks
7 blinks
8 blinks
9 blinks
10 blinks
LANDIS LMO 44 CONTROL INFORMATION SYSTEM
Possible cause
No establishment of flame at the end of «TSA»
- Faulty or soiled fuel valves - Faulty or soiled flame detector - Poor adjustment of burner,
no fuel - Faulty ignition
Free
Extraneous light on burner start-up
Free
Free
Too many losses of flame during operation (limitation of the number of repetitions)
- Faulty or soiled fuel valves - Faulty or soiled flame detector - Poor adjustment of burner
Time supervision oil pre-heater
Free
Wiring error or internal error, output contacts
FIRING HEAD SETTING
COMBUSTION AIR FLOW ADJUSTMENT (HIGH-LOW FLAME)
LANDIS SQN 30-31 121A2700
Remove the cover to gain access to the adjustment cams. The cams are
adjusted using the key provided for descrıption:
I
- Limit switch for the "HIGH FLAME" position of the air dam
per (MAX POWER).
II - Adjusting cam for the air damper position at shut down.
III - Limit switch for the "LOW FLAME" position of the air damper.
IV - Limit switch "NOT USED"
V - Auxiliary switch for the release of the second stage valve (HIGH
FLAME).
NOTE : Cam V (to enable the stage two electrovalve to open) is adju-
sted to an intermediate position between the low flame and high flame
positions (to an angle approximately 5° greater than the low flame
position).
Release lever
12