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

Compressor HVAC

When replacing the compressor, if the new compressor does not come fully charged with oil, drain and measure amount of oil present in old compressor add same amount to new compressor.

When replacing other components, add the following amounts of oil to the compressor:
Condenser: 40 - 50 cc (1.4 - 1.7 fluid oz)
Evaporator: 40 - 50 cc (1.4 - 1.7 fluid oz)
Receiver/Drier: 20 cc (.7 oz)

Specified oil type: ND OIL 6, SUNISO No. 5GS or equivalent