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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Air Flow Control

Air Flow Control (fan)

The air flow rate is set by way of control program according to the ERL state signal by way of voltage control of the fresh air fan. Corresponding characteristics are defined both for automatic mode and for manually selected air distribution.