HASWILL ELECTRONICS STC-200 Thermostat User Guide

HASWILL ELECTRONICS STC-200 Thermostat

STC-200 Thermostat

The STC-200+ thermostat is a device that controls the power supply status of a wired heater or cooler or output alarm. It has just one relay and can be used for refrigeration, heating, or alarm mode. The thermostat has a function menu that allows you to set the temperature range, temperature hysteresis, protection delay time for the compressor, lower limit for SP setting, upper limit for SP setting, and calibration of real-measured temperature.

Wiring Diagram

Before using the thermostat, refer to the wiring diagram in the user manual to ensure that it is properly connected to the heater or cooler.

Setting the Aimed Temperature Range

The aimed temperature range is defined from SP to SP + F0. To set the temperature range:

1. Press the key to display the existing SP value.
2. Press the or keys to change the SP value. F2 and F3 limit the range of the SP value.
3. It will return to normal status from the setting interface in 30 seconds if there is no operation.

Setting the Hysteresis Value

The hysteresis value is the temperature difference between when the thermostat turns on and off. To set the hysteresis value:

1. Hold the + keys simultaneously for 4 seconds until code F0 appears.
2. Press the key again to see the current value and press the direction key to change it.
3. Press the key to save the new data and return to the menu list.
4. Hold the key for 3 seconds to save data and return to normal monitor status.
5. Repeat steps 2-4 to change other settings.
6. Hold the key for 3 seconds to quit from setting or leave it alone. It will return to normal status in 30 seconds if there is no operation.

Note: 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.

Quick Start Guide
Video on YouTube
(Version 2 3 .0 3 .0 3 GEN)
STC 200+ thermostat with just one relay to control t he power supply status of the wired heater or cooler or output alarm.

Wiring Diagram

Set the Aimed Temp Range

The aimed temperature range was defined from “SP” to “SP + F0 ””; hence you need to set both the “SP” and the F0 value

Function Menu

Set the “SP” value

1. Press the key, shows the exists SP value;
2. Press the or  keys to change SP, which F2 and F3 limited;
3. It will back to normal status from the setting interface in the 30s if without operation.

Set the “Hysteresis” Value?

1. Hold the +   keys simultaneously for 4s, and you will see the code F0.
2. Next, press the key again to see the current value and press the direction key to change it.
3. At last, press the key to save the new data and back to the menu list.
4. Hold the key for 3s to saves data and back to normal monitor status.
5. Repeat steps 2,3,4 to change others.
6. Hold the key for 3s to quit from setting or leave it alone; it will back to normal status in the 30s if without operation.

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-200+ Thermostat
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