| Solar DHW heating and central heating backup with dual cylinder SEM-1 750/250 | |
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1- Collector array 2- Air vent trap 3- Collector sensor 4- Temperature differential control 5- Pump/fitting assembly 6- Solar control unit cylinder sensor 7- Fill drein valve 8- Dual cylinder SED 750-250 9- Mixer moduel MM 10- Buffer sensor |
11-Three- way diverter valve 12- Return temperature sensor 13- Cylinder sensor, heating water 14- Boiler with control R-2 15- Termostatic DHW mixing valve 16- Flow sensor mixing valve circuit 17- Mixing valve circuit pump 18- Mixing valve motor 19- Cylinder charging pump, heating water |
