Manual Heating and Air Conditioning

THERMOSTAT SWITCH
Dip the evaporator sensor into a pan filled with ice water, and check for continuity between the terminals.

Cutoff 1.5 - O.5°C (35 - 33°F)
Cut in 2.5 - 5°C (36 - 41°F)

If cut off or cut in temperature is too lower too high, replace the thermo switch.