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

Fail-Safe Function

Fail-Safe Function
- If a communication error exists between the unified meter and A/C amp.,and the AV control unit or NAVI control unit and multifunction switch for 30 seconds or longer, air conditioner is controlled under the given conditions:

Compressor: ON
Air outlet: AUTO
Air inlet: FRE (Fresh)
Blower fan speed: AUTO
Set temperature: Setting before communication error occurs
Display: OFF