Shandong Ultisolar New Energy Co., Ltd

Why there is no T3 on the Screen for SR81 solar thermal controller

Sorry for the confusion caused for you.
But the default setting will not show T3, because many people don't use T3, so we hide T3 in the new version SR81.
ONLY when you open the auxiliary heating function and set the sensor T3. Then the T3 will display.
Please read the manual carefully and set accordingly.
If there is still problem, please contact us by email.


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