Oil burner controls
Siemens
LMO
24.255 (A2/B2/C2)
Landis & Staefa
Oil burner controls
Danfoss
OBC 84.10
057H8705
Landis & Staefa
Comments & Remarks: If only the upper part is replaced, it must be ensured that the LD/LDS is connected to the terminals 11 and 12 in the base part.

OBC 84.10 has 5 sec. Interval from V1 to V2