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

If the compressor is being rebuilt then the oil in the compressor must be measured as it is emptied. During reassembly an amount of fresh oil equal to the measured quantity plus 20cc (0.7 fl.oz.) is added to the compressor.

System oil type DENSOOIL 7