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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Compressor HVAC: Service Precautions

CAUTION: To prevent refrigerant system contamination, if you are installing a new A/C compressor because the A/C compressor has failed internally, you must carry out the following procedures:
^ If A/C flushing equipment is available, carry out the Flushing general procedure.
^ If A/C flushing equipment is not available, carry out the Refrigerant System Filtering after A/C Replacement general procedure.
^ Install a new A/C evaporator core orifice.