220V controller of solar water heater, used for separated pressurized solar hot water system ecowitt soil sensor month or total display

month or total display

The optimal sensor placement should be with 60 degrees tilt with north facing to simulate the condition in most ideal way

the alkaline batteries may not work in the cold temperature

or the temperature of storage tank (T3) reaches the preset maximum storage temperature

220V controller of solar water heater, used for separated pressurized solar hot water system ecowitt soil sensor month or total displayDescription: This listing includes: 1 unit of controller for pressurized solar water heating system, 220V. Application: It can be used for the solar hot water heating system: 1 collector array 1 storage tank 1 pump and auxiliary heating. Function Introduction: The solar circuit pump (R1) is switched on as soon as the switch on temperature difference (T on) between the collector array (T1) and the storage tank (T2) is reached. If the temperature