Lennox Merit 14HPX Installation Instructions Manual page 22

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CRANKCASE HEATER
(HR1)
506649−01
Figure 16. Typical Factory Wiring Diagram
Page 22
HIGH PRESSURE
SWITCH (S4)
LIQUID
LINE
REVERSING VALVE (L1)
COIL SENSOR (RT21)
CRANKCASE THERMOSTAT
(S40) (−036 THROUGH − 060
UNITS ONLY
AMBIENT SENSOR
(RT13)

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