Digital Temperature Controller - Sf-102 Manual

Before we dig into the wiring diagrams, let’s understand what the SF-102 actually is. The SF-102 is a dual-stage temperature controller. Unlike a simple thermostat that only turns heat on or off, this is a capable of managing both heating and cooling devices simultaneously.

Check the controller against a calibrated thermometer once a year and adjust the E5 parameter if necessary. digital temperature controller sf-102 manual

| Code | Parameter | Description | Typical Range | Default | |------|-----------|-------------|---------------|---------| | | TS | Temperature setpoint | -50 ~ +120°C | 0°C | | F2 | HD | Hysteresis / differential | 0.1 ~ 15°C | 2°C | | F3 | LS | Minimum setpoint limit | -50 ~ TS | -50°C | | F4 | HS | Maximum setpoint limit | TS ~ 120°C | 120°C | | F5 | PT | Compressor protection delay (anti-short cycle) | 0 ~ 10 minutes | 3 min | | F6 | CA | Calibration offset | -10 ~ +10°C | 0°C | | F7 | CF | Temperature unit | C (Celsius) / F (Fahrenheit) | C | | F8 | CO | Mode: cooling or heating | C (cool) / H (heat) | C | Before we dig into the wiring diagrams, let’s

This is the most common adjustment. To set the temperature you want the unit to maintain: Check the controller against a calibrated thermometer once

If you need a PDF version of the original SF-102 manual, check the manufacturer’s website or the product listing on AliExpress/Amazon. This article is intended to supplement, not replace, the official safety instructions.