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Haswill STC-9200 Quick Start Manual
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Haswill STC-9200 Quick Start Manual

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STC-9200 Thermostat
Quick Start Guide
(Version 22.11.03GEN)
Video on YouTube
STC-9200 digital temperature controller controls three
loads: the refrigeration device, the defrosting unit, and
the Evaporator Fan; Typically suited to an oversized
freezer room.
1. Wiring Diagram
1 / 9

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Summary of Contents for Haswill STC-9200

  • Page 1 STC-9200 Thermostat Quick Start Guide (Version 22.11.03GEN) Video on YouTube STC-9200 digital temperature controller controls three loads: the refrigeration device, the defrosting unit, and the Evaporator Fan; Typically suited to an oversized freezer room. 1. Wiring Diagram 1 / 9...
  • Page 2 2. Set the target temperature The room temperature was supposed to keep at the range from "F1" to "F1 + F2" ("SET" to "SET + HY"). You can set them in the user interface and the Admin Interface; below is the 2 method.
  • Page 3 again. Step 4: Switch to the "F2" ("HY") code by press the key. Repeat the above 2-4 steps to update all the code you want to. At last: Just leave the unit alone; it will auto quit from setting mode back to normal status in 10s. F1 (SET): SP (Temperature Set-Point) F2 (HY): Temperature Hysteresis / Return Difference F3 (US): Upper limit for SP...
  • Page 4 time for defrosting if it was Hot Gas mode F10 = 1 (TDF = HTG) If you found the "F1" (SET) value cannot be modified to the value you need, please adjust the F3 and F4 (US and LS), which are the limitation for F1 (SET). 3.
  • Page 5 Time Condition 1: the real-time passes the preset interval time F6 (IDF), a regular parameter for almost all defrosting thermostats. Time Condition 2: If the "defrosting method" you take is the hot gas from the compressor reverse rotary when F10 = 1 (TDF = HTG), it will count the compressor's last stops moment plus F5 (ac), which is a protective value to avoid the compressor frequently startup and stops.
  • Page 6 9) F9 (FDT): Defrosting Water Dripping Time 10) F10 (TDF): Defrosting Mode: • 0 (EL): Electric-Heating. • 1 (HTG): Hot Gas from the compressor. 11) F11 (DCT): Count mode of defrost cycle: • 0 (RT): Cumulative time from the controller power on. •...
  • Page 7 13) F15 (FOD): Time delay seconds for the Fan < 0: in this case, f15 (FOD) is the period for the Fan starts earlier than the compressor starts, Fan stops if defrosting begins. ≥0: Fan was controller by F13 (FMC). 14) F13: Fan output modes when f15 (FOD) ≥...

  • Page 8: Set The Alarm

    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.
  • Page 9 Temperature - Measured Temperature. This is not a step-by-step user manual; It just shows the key points. The new user should read the Full-Content Version User Manual Haswill Electronics STC-9200 Defrost Fan Controller Copyright Haswill-Haswell All Rights Reserved 9 / 9...