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

Electrical Specifications

AIR INTAKE HEATER CYCLE CHART

Intake Preheat Cycle Time Post-Heat Cycle
Manifold Ignition Key ON Ignition Key ON
Temperature Engine Not Running engine Running

Above 59°F (15°C) 0 seconds NO

15°F (-10°C) to 10 seconds YES
59°F (15°C)

0°F (-18°C) to 15 seconds YES
15°F (-10°C)

Below 0°F (-18°C) 30 seconds YES