RET-99-S-220V ▪︎ Compact 2-Button Temperature Controller

NOTICE: This is a legacy model offered only for backup use. For new projects, please review similar products.

Description: RET-99-S-220V is a compact 2-button temperature controller with minimal parameter settings. Designed for quick deployment. Supports FeConst (J-type) and NiCrNi (K-type) thermocouples. Pt100 is not available. A single relay output is included. Ideal for basic panel installations.

[SET VALUE ADJUSTMENT]

Press the SET button briefly to display the current setting. A blinking dot appears. Use "+" or "−" to adjust the value.

[PARAMETER ACCESS]

Hold SET for 4 seconds. When “E n G c” appears, enter “11” to access parameters. Use ↑ / ↓ to scroll, and P to modify values.

[EXIT & SAFETY NOTICE]

To exit the menu, hold P for 4 seconds or wait 50 seconds without action. After changes, power off and restart the device to activate new settings.

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