Haswill Electronics STC-9200 Thermostat User Guide

Haswill Electronics STC-9200 Thermostat

Product Information

The STC-9200 Thermostat by Haswill Electronics is a refrigeration, defrosting, and evaporator fan controller. It is designed to control the power supply status of the connected refrigeration device, defrosting unit, and evaporator fan, making it ideal for use in an oversized freezer room. The product comes with one controller, two sensors, two clips, one manual, and one waterproof cover.

Indicator/Character in Display

The display shows four different indicators: Compressor status (working or stopped), Setting status (normal or in setting mode), Fan status (working or stopped), and Defrosting status (working or stopped).

product Specification

• Input Power: Maximum current of 8A (default) under 250V AC
• Protection Class: IP65 to the front panel
• Wink Time Delay: N/A
• Fast Wink Manually Refrigeration: N/A

Dimensions & Installation

The product dimensions are not mentioned in the user manual. However, it is recommended to install the product using the clips provided in the package. The front panel is IP65 protected, making it suitable for outdoor installation.

Product Usage Instructions

1. Connect the refrigeration device, defrosting unit, and evaporator fan to the STC-9200 thermostat as per the wiring diagram provided in the manual.
2. Power on the thermostat by connecting it to a power source.
3. The display will show the current status of the compressor, fan, and defrosting unit.
4. To change the settings, press the SET button and use the UP and DOWN buttons to navigate through the menu list.
5. The display will show the current setting status when in setting mode.
6. To check when the fan will work or stop, refer to the FOD/F15 & FNC/F13 conditions in the menu list.
7. The product comes with a waterproof cover, which can be used to protect it from moisture and dust in outdoor installations.

Refrigeration & Defrosting & Evaporator Fan Controller

(Version 22.11.07GEN) The STC-9200 temperature controller controls the power supply status of the connected Refrigeration device, the defrosting unit, and the Evaporator Fan, typically suited to an oversized freezer room.

Package

• Controller: 1PCS
• Sensor: 2PCS
• Clips: 2PCS
• Manual:1 PCS
• Waterproof Cover: 1PCS

Specification

• Input Power 220V AC ± 10% 50/60HZ; (12/24/48/110V Option)
• Maximum current 8A (Default) under 250V AC
• Thermistor / Sensor NTC, 25°C /10 KΩ, the sensor cable 200cm
• Protection Class IP65 to the front panel
• Storage -10°C ~ 60°C, RH<90%, without condensation
• Temperature Range Measurable: -50.0°C ~ +50.0°C; Controllable: -50.0°C ~ +50.0°C
• Resolution 0.1°C
• Accuracy ± 1°C from -40°C to +50°C; ± 2°C in other range
• Power Consumption ≤ 3W

Environmental Information

The package’s material is 100% recyclable. Just dispose of it through specialized recyclers. The electro components can be recycled if it is disassembled for specialized companies. Please do not burn or throw the controllers in domestic garbage. Observe the respective law in your region concerning the environmentally responsible manner of disposing of its devices.

Appearance & Operation

Front Panel & Operation
Under normal status, the screen shows room sensor temp.

• A. Hold the set for 3s to enter/exit the user setting interface to check and modify the set-point and the hysteresis here.

• B. Hold the key and the key at the same time for 10s to lock/unlock the admin menu: OFF
  = unlock, editable ON = locked, only can check the value, not editable.

• C. Hold the set and the  keys for 10s to enter admin interface; Press the set to check current data, and press the key to change the data; Press the set again to save data and back to menu list; If without operated in 10s, the new data will be auto-saved.

• D. Hold the  for 3s to check the defrost sensor temp.;

• E. Hold the  for 3s to trigger the forced refrigeration mode manually (conditions in 5.3); do it again to quit.

• F. Hold the for 3s to trigger the forced defrosting mode manually (conditions in 5.2); do it again to enter defrosting water dripping status.

Indicator / Character in Display

Dimensions & Installation

1. Mount size: 712985 mm (WHD);
2. Detach the slide fasteners, put the controller into the hole, and wire it.
3. Install the fasteners and the waterproof cover.

Wiring Diagram

• A. 10K NTC sensor, need not distinguish + or -.
• B. The input voltage must be within the voltage value marked in the diagram ±10% value.
• C. Suggest Load Power ≤ Voltage∗ Max current of Relay Factor

Copykey (Optional)

• A. Upload to Controller

1. Insert the Copykey, Press the key, the display shows “UPL”;
2. Now Press the key to upload data will show “END” once finished;
3. Shut down the controller and then pull out the Copykey.

• Download from Controller
  1. Assure controller being shut down and insert the Copykey, then starting up
  2. The controller will scan the Copykey and download data automatically, shows “DOL” when downloading, and shows “END” once finished.
  3. Restart the controller; it will work according to the new data.

Attention:

• Part of the parameters will be executed in the next cycle; please power off the controller and power back to start a new cycle for running by the new data without a wait.
• If a parameter in the Copykey exists error or in the wrong format, the display shows ERR.

Configurations

Code and Function Menu

Hold the SET + keys at the same time for 10s to enter the Admin Interface; The codes S ET and HY (F 0 1 and F 0 22) are user menu; others are admin menu, ref 4.1 A & C

When will the Defrosting Start / Stop?

• Defrost relay will close/on when reaching all the below conditions
  • The time should later than: the compressor last stops moment + if the defrosting Mode was thermal air / Hot Gas .
  • The defrost sensor temperature < Defrost stop temperature
  • Time passed the defrosting cycle time or forced defrosting beginning
• Defrost relay will open/off when reaching any one of the below conditions
  • The defrost sensor temperature ≥ Defrost stop temperature 
  • Passed the defrosting Lasting Time

When will the Compressor Start / Stop?
The room temperature was supposed to keep at the range from “

First, Time Conditions

• When , the time should be later than:
  • The moment of the compressor recent stops +
  • When (the fan startup earlier than the compressor), the time later than:
  • The moment of the compressor recent stops + and
  • The fan starts moment +

And Temperature Conditions

Alarming & Error Code
Once alarming, the readout flashing and buzzer screaming press any key to stop the buzzer ticktack, but the error code in the display will not disappear until all errors have been fixed.

When will the Fan Work/Stop?

Please check the conditions from FOD/ F15 & FNC/ F13 in the menu list.

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• https://www.thermo-hygro.com
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