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

Evaporator Temperature Sensor / Switch

Thermostatic Switch/Sensor (Anti-freeze Thermostat):
Make Ranco or Genera El
Switch-off +2.0 ± 1.1 °C (35.6 ± 2 °F)
Switch-on 2 + 3.0 ± 1.1 °C (35.6 + 3.6 ± 2 °F)*

*Switch-off temp + maximum difference = 3.6