Lennox 14ACX - Servicing Unit Void of Charge; Unit Start-Up; System Refrigerant

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CRANKCASE HEATER (HR1)
HIGH PRESSURE SWITCH
(S4) — LIQUID LINE
CRANKCASE THERMOSTAT (S40)
THERMAL PROTECTION
SWITCH (S5 OR S173)
Figure 18. Typical Factory Wiring Diagram (Interlink Compressor)