RET-44-E-220V ▪︎ Square Case Two-Button Basic Temperature Controller

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Set Temperature: 25°C

NOTICE: This product is an old version offered for backup use only. Please check similar products for your new projects.

Input Type: FeConst (J) and NiCrNi (K) thermocouples supported. Pt100 not available.
Power Supply: 220VAC, also available in 24VAC/DC versions.
Output: Single relay output (NO/NC). Minimal parameter structure.
Quick Setup: Designed for fast deployment. No advanced configuration needed.

[INSTALLATION NOTES]

• Make sure environmental conditions (voltage, temperature, humidity) are within specified limits.
• Ensure that relay output load stays within supported limits.
• This device is not internally protected against overload. External fuses or load breakers must be used for safety.

[SETTING THE VALUE]

Press the SET button. The display will show the current SET value. A blinking dot appears on the top-left of the screen.
Use "+" or "−" buttons to adjust the value to your desired temperature.

[ACCESSING PARAMETERS]

Press and hold the SET button for 4 seconds. The screen will show "E n G c".
Set this value to 11 to unlock all parameters.
Navigate with ↑ / ↓ and use the P button to view/edit.
Pressing P briefly takes you back one step in the menu.

If no button is pressed for 50 seconds, or if P is held for 4 seconds, the menu will exit automatically.

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