Operation CHARM: Car repair manuals for everyone.
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)

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Refrigerant Pressure Sensor / Switch: Specifications

Function 1 (low pressure):
Cut-out pressure approx. 2.0 bar
Cut-in pressure approx. 2.6 bar

Function 2 (high pressure):
Cut-out pressure approx. 30.0 bar
Cut-in pressure approx. 22.0 bar