Kera SRK868V6 Installation And Operation Instructions Manual
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Solar Controller SRK868V6 Installation and Operation Instructionshttp://www.keracontrols.com 143.12 High temperature protection ( mode 2 )Note: this function is only useful in the solar systems that use a tank with two heat exchangers.In this mode, an optional, external valve should be installed on the water tank hot water outlet pipe and connected to the R1output. The controller will check the tank temperature on the sensor T2. If T2 temperature is higher than the presetMaximum temperature for this function, the valve control output (R1) will be switched ON.When T2 drops 5o C (9F) below the Maximum temperature, the R1 output will be switched OFF.To Enable / Disable this function:► Press the “SET” button 3 times.The maximum tank temperature setting will flash.(The default setting is OFF, display: “-- --“)► Press the “OK” button to activate this function.► Press “▲”“▼” button to adjust the maximum temperature.Adjustment range: +80o C to +99o C (+176F to +211F).After 6 seconds, the controller will lock-in the settings.► To disable this function press the “OK” button while in the Maximum temperature preset mode.The display will indicate: “-- --“.This symbol on the display indicates that the high temperature protection (mode 2) is enabled.3.13 “o C/o F” button► Press the “ oC/ oF” button to toggle between the Celsius and Fahrenheit units.3.14 System Protection featuresA. Memory protection in case of power failureIn case of the power failure, the controller saves the settings unchanged. When the power is restored, the controllerrecovers to the preset mode.B. System Restore ( default ).If an error or malfunction occurs in the system, press the “OK” button on the panel. The system will recover to the factorydefault settings. |
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