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Question:

How to connect the solar energy to the heat exchanger in winter

Buy a second-hand housing, there are solar energy and heat exchanger, the owner can use said heat exchanger in winter, the switch of heat exchanger with heating and heat exchanger with solar power switch open hot water, I want to ask is always open? What is the working principle of the heat exchanger, how do not understand

Answer:

The correct approach is winter when the solar water inside put clean, put the left valve closed, the valve is opened, so it can be used in heat exchanger hot water bath, but if the heating water temperature enough 50 degrees above the bath is more difficult words. Do not heat, the right side of the valve is closed, the valve on the left open, so that the solar energy can be used normally. Remember, do not use solar energy in winter, the solar controller is unplugged, hand can save a little electricity, on the other hand, if the power supply is not pulled out of words, they might be solar water, it is not easy to damage the water, the electromagnetic valve of solar energy
The upper left corner of the box is solar energy, the lower right corner of the heat exchanger, in fact, the heat exchanger is the use of heating hot water to tap water, so that the cool water is coming out of the hot water.
Solar energy and heat exchanger can only use one, the middle of the two fork means the valve, the arrow to the bottom is the water is to shower. These two valves can only have one is open, if the two are open, the water will pass through the heat exchanger to the solar water supply, but is not controlled, the water will continue to flow, the constant flow.

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