Separate solar water heater system

The split pressurized solar water heating system is made up of solar collector, pressurized water tank, pump working station, expansion vessel, stainless steel frame and whole kit of stainless of steel fasteners. This kind of systems fluid circulates. between the solar collector and the storage cylinder. The fluid is pure water or glycol (mixed with food quality anti freeze, it's optional.) and is pressurized. They are usually more expensive than compact systems but generally more efficient. The systems are often easier to retrofit than compact systems because their storage tanks do not need to be installed above or close to the collectors. Specification 1)Water Tank(100L-500L): porcelain enamel, with 2 copper coils for heat exchange, depending on the customers. 2)Intelligent Controller: SR868C6. 3)Pump Station: German MadePump RS15/6 with 3 speed. 4)Heating Pipe: ZC tube withAL/SS/N/Cu(MS) absorber or RS tube with high efficiency absorber 5)Manifold : Aluminum Alloy/Stainless Steel 6)Built-in electrical back up: 1.5kw/2.5kw,with thermostat