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
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Heating and Air Conditioning: Service and Repair
Manifold gauge setInstallationNOTE: Fittings for attaching manifold gauge set are on the high-and low-pressure pipes.
1.
Close both hand valves of manifold gauge set.
2.
Connect the low-pressure hose to high-pressure gauge fitting.
3.
Tighten hose nuts by hand only.