1.4.2.
Drilling dimensions and templates
Note : the electronic components of a 1650 instrument made
after January 2020 cannot be inserted in the casing of an
instrument made prior to this date. If it should be necessary
Figure 4 - 1650 drilling dimensions and templates
80209C_MHW_850-1650-1850_20-2020_ENG_pag. 17
to replace an 1650 controller manufactured before January
2020 with a similar controller manufactured after this date,
the casing anchored to the panel must also be replaced.