Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Technical Modifications

MODEL WDB170.### #F with CODE (580) Air conditioning or Tempmatic for USA
The engine/AC electric fan is actuated by the engine/AC electric fan control module (N76).

The information required for actuating the engine/AC electric fan is read out of the engine control module by the engine/AC electric fan control module (N76).