Haswill STC-9200 - Set the Alarm; Upper Alarm Temperature (F17); Lower Alarm Temperature (F18); Alarm Time Delay (F19)

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Fan stops if defrosting begins.
15) F14 (FOT): Defrost sensor Temp for Fan Starts
16) F16 (FST): Defrost sensor Temp for Fan Stops
5. Set the Alarm
The alarm function is based on the room sensor
temperature, and the Alarm also works if the evaporator
sensor is broken.
17) F17 (ALU): Upper Temperature of the Room sensor to
Trigger Alarm
18) F18 (ALL): Lower Temperature of the Room sensor to
Trigger Alarm
19) F19 (ALD): Time delay of the Room sensor to Trigger
Alarm
20) F20 (OT): Temperature Calibration = Real