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)

Or, hide this message: temporarily or permanently

Auto Button

For the most efficient operation you should press the AUTO button and set the system temperature. The system will select the best fan speed and airflow settings. The air conditioning compressor will run if the outside temperature is above 40°F (4.5°C). You may notice a delay of three to four minutes before the fan comes on.