PURGEAR STC-2302 Digital Thermostat User Guide

STC-2302 Thermostat
Quick Start Guide
(Version 21.08.02GEN)

STC-2302 owns 6 touch-sensitive keys, one sensor, and two output relays to connect and control the refrigerator and the defrosting unit.

Function Menu

Hold the [ ] key for 3s to see the Menu List.

The sum working time of the controller
The sum working time of the compressor
| Water dripping Time
| Defrosting by, is Electric-Thermal, is Hot Gas
| Defrosting Stop Temperature
| Compressor Startup Protection / Delay time
| Alarm Delay time for this unit 1ST-time power on
| Over-Temperature Value to Trigger Alarm
| Alarm Delay time after time pass
| Temp. Calibration = Real Temp.-Measured Temp.

Wiring Diagram

Set the Aimed Temp Range

The aimed temperature range was defined between the “On Temp.” and the “Off Temp.”.
Firstly, you should decide the working mode ( ) is refrigeration or heating; Since the aim temperature range will be rewritten to the default value once you change .
Next, set the temperature for load starts/stops

1. [On Temp] Key: touch this to check/edit the existing [Temperature for Load Turn On] , the character “On Temp” lighting;
2. [Off Temp] Key.: touch this to check/edit the existing [Temperature for Load Turn Off] , the character “Off Temp” lighting;

Set the defrosting

First, you should set the defrosting interval time, since
A. when = , the defrosting function was disabled, then , , , are useless;
B. When > , The defrosting function works.

Next, configure the which is the defrost method,
A. = , Defrost by Electric-Thermal.
B. = , Defrost by Hot Gas from the compressor reversal rotary.

Then, to configure other parameters.

Lock/Unlock Keys

If you found the keys were locked, Hold the [ ] key for 1s to unlock, the icon on the left bottom of the screen will dim, It will auto-lock again if without operation in the 30s.

Restore Factory Setting

Hold the [ ∧ ] key for 10s, and the screen will show “ ”, now release the [ ∧ ] key and hold the [ ] key for 3s;
The screen will display “ ” once it succeeds; Show “ ” if failed, please power on again before trying.

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

https://www.thermo-hygro.com/
Haswell Electronics
STC-2302 Defrost Thermostat
Copyright Haswell-Haswell All Rights Reserved

References

• Haswill Electronics - An exporter of digital temperature devices from China
• STC-2302 Temperature Controller ❆ Manufacturer & Factory

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