Wolf MGK-2-390 Installation Instructions Manual page 27

Remove the cover of the control
unit
Remove the HCM-2 casing cover
Overview of components in the
control unit
3063772_201507
18. Electrical connection
Remove the front casing (see "Casing" chapter), then remove the 4 screws on the
control unit with a screwdriver.
Terminals
Fine-wire fuse
Cable conduit
Terminals
27