PURGEAR STC-2303 Digital Thermostat User Guide

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STC-2303 Thermostat  

Quick Start Guide  

(Version 21.08.02GEN)  

STC-2303 owns 6 touch-sensitive keys, two sensors, and  

two output relays to connect and control the Refrigerator  

and the defrosting unit.  

1. Wiring Diagram  

https://www.thermo-hygro.com  

2. 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 (F14) is  

refrigeration or heating; Since the aim temperature range  

will be rewritten to default value once you change F14.  

Next, set the temperature for load starts/stops  

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General	Details
Name	PURGEAR STC-2303 Digital Thermostat User Guide
Make	PURGEAR
Language	English
Filetype	PDF (Download)
File size	0.16 MB

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PURGEAR STC-2303 Digital Thermostat User Guide Overview

Summary of Contents

• Page 1: STC-2303 thermostat features six touch-sensitive keys, two sensors, and two output relays for controlling the refrigerator and defrosting unit. The wiring diagram is available for reference. The aimed temperature range is defined between the On Temp. and the Off Temp. You must decide the working mode (F14) as refrigeration or heating before setting the temperature range. Changing the working mode (F14) will reset the aimed temperature range to default values. Set the temperature for load starts and stops accordingly.
• Page 2: On Temp key: touch this to check/edit the existing temperature for load turn on. Off Temp key: touch this to check/edit the existing temperature for load turn off. Function menu: hold the key for 3 seconds to see the menu list. Defrosting lasting time. Defrosting cycle/interval time. Defrosting cycle/interval time count mode. The sum working time of the controller. The sum working time of the compressor. Defrosting by electric-thermal or hot gas. Over-temperature value to trigger alarm.
• Page 3: Set the defrosting interval time. When F2 = 0, the defrosting function is disabled. When F2 > 0, the defrosting function works. Configure the F5 defrost method. F5 = 0, defrost by electric-thermal. F5 = 1, defrost by hot gas from the compressor. Change the F6 value; it is the stop line for defrosting. To configure other parameters. If the keys are locked, hold the [ ] key for 1s to unlock. The icon will dim and auto-lock again if there is no operation in 30s.
• Page 4: Restore factory setting by holding the key for 10 seconds. The screen will show RES. Release the key and hold another key for 3 seconds. The screen will display YES if successful or ERR if failed. Power on again before trying if it fails. This is not a step-by-step user manual; it just shows the key points.