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

Sub-Mode 2

In SubMode 2, the air control module again applies voltage to the air mix door servo motor. This time it will move the door to the full hot position and display the feedback voltage using the set temperature digits [1]. Full hot position voltage is approximately 1.3 volts.

Advance to sub-mode 3 by pressing the select switch right arrow once.

REMARKS
[1] There is no decimal point on this display. Example: 3.9 volts will be displayed as "39".