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

High psi Control	Opens	450 - 490 Pound Per Square Inch (psi)
	Resets	270 - 330 Pound Per Square Inch (psi)
Low psi Control	Opens	20.5 Pound Per Square Inch (psi)
	Resets	38 Pound Per Square Inch (psi)