420010362200 Maior P 300.1/400.1 AB
EN
LANDIS SQM 50.381A2
All burners are factory tested at 400V - 50Hz 3-phase for motors, and 230V - 50Hz single phase with neutral for auxi-
liary equipments. Should it be necessary to power the burner with 230V - 50Hz, modify the connections on motor and
the terminal board as shown in the picture. Protect the burner supply line with suitable fuses and/or other safety devices
as required by the local regulations on the matter.
COMBUSTION AIR FLOW ADJUSTMENT (HIGH-LOW FLAME)
ELECTRICAL CONNECTIONS
Remove cover to gain access to the adjusting cams. The cams are to
be adjusted through the suitable key provided . Description:
MAIOR P 300
I
- Limit switch for air damper "2nd. stage" position
adjustment (Max. power)
II
- Limit switch for air damper "1st. stage" position
adjustment (Min. power).
III
- Limit switch for ignition flame position adjustment.
IV
- Limit switch for 2nd stage's solenoid valve
opening release..
V
- Limit switch "NOT USED".
VI
- Limit switch "NOT USED".
VII - Limit switch "NOT USED".
VIII - Limit switch "NOT USED".
MAIOR P 400
I
- Limit switch for air damper "3rd. stage" position
adjustment (Max. power).
II
- Limit switch for air damper "1st. stage" position
adjustment (Min. power).
III
- Limit switch for air damper "2nd. stage" position
adjustment .
IV
- Switches from 3rd stage to 2nd stage
(always 5° bigger than 2nd stage adjusting limit switch)
V
- Limit switch for 2nd stage's solenoid valve
opening release.
VI
- Limit switch for 3rd stage's solenoid valve
opening release.
VII - Limit switch "NOT USED".
VIII - Limit switch "NOT USED".
18