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: Testing and Inspection
Pressure Switch (Trinary Switch)Trinary Switch Testing:
1.
Connect manifold gauge to high pressure side service valve.
2.
Unplug switch harness connector and check for proper "ON-OFF" operation as described on image chart.
3.
Replace switch if operation is not as specified.