Caleffi solar thermal controller
 

Caleffi’s iSolar MX LTE is a powerful multifunctional temperature differential controller with add-on system functions for use in a wide variety of solar-thermal heating applications. The MX LTE is equipped with five relay outputs and one 0-10 V pump speed control signal output for high-efficiency pumps. The 20 predefined system arrangements, with additional optional functions, are configured for control of standard solar water-heating systems, drainback systems, multiple storage tanks (up to four total), heat dump and storage tank booster heating.


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