These are the new connections to follow when the user change his "old" electronic circuit board** of a COVATUTTO 24 or COVATUTTO 24 ECO or COVATUTTO 54.
**whole item : we means the whole item, that is, the yellow support + electronic circuit card + temperature probe.
LETTERS and MEANING
M : motor + fan (black colour) : connect the two cables in position 1 and 2 UP
R : resistance wire (white colour): connect the two cables in position 3 and 4 UP
N : Neutral wire (blue colour) : connect the cable in position 2 DOWN
L (F) : live wire (or F = FUSE): connect the cable of phase (L) or Fuse in position 1 DOWN