Assessments - 1, GPA: 3 ( )

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They respectively represent the four modes of the system working, that is solar energy heating mode, simultaneous heating mode, preset heating mode and intellectual heating mode. And the water pump icon is used to prove that water pump is in a condition of full speed circulated running. For the indication board, see Figure 5. For details, see the following: ---When the green point in the icon is on, it tells that the system is in the solar energy heating mode. (Double color)---when the green point in the icon is on, it tells that the system is in the simultaneous heating. When the red light is glistening, it tells that the ystem in electrical heating and when it reaches the mounted temperature, it will automatically leap to the solar energy heating mode. (Double color)--- when the green point in the icon is on, it tells that the system is in the preset heating mode. When the red light is glistening, itmounted tells that the system in electrical heating and when it mounted reaches the temperature, the green point will be on constantly. (Double color)--- when the green point in the icon is on, it tells that the system is in the intellectual heating mode. When the red light is glistening, it tells that the system in electrical heating and when it reaches the temperature, the green point will be on constantly. ---Arrows on the icon are in proper order with counter hour hand. When the green point is on, it tells that the water pump is in 100% full speed running condition. Temperature indication icon for tank--- when the character is on, it tells that the present indication temperature is water temperature of the tank. Temperature indication icon for collector equipment--- when the character is on, it tells that the present indication temperature is the water-exiting temperature of collector equipment. 2. introduction of basic working mode A. Solar energy heating: this function adopts the temperature difference between water-exiting temperature of collector equipment and that of water- storing tank to control the running of water pump. It transfers solar energy absorbed by collector equipment to hot water in water-storing tank for Installment of water-storing tank Water storing tank equipped for water heater is a standing tank. Based on customers' requests, ensure specific installment position, and place water- storing tank. Connection opening of water-storing tank faces one side of the pipeline, and then all corresponding parts of each connection opening should be connected. Layout of water tank should be perfected in installing. Installment of water pump To connect the the water inlet of pump to circulating water-exiting opening and the dirrection must be right.pay attention that the connection of water pump must be firm. Power of water pump should be adjusted to the third grade, and it is prohibited to put other articles on water pump.To avoid that water spurts out to the pump,or the result is serious. Connection of pipeline To measure the distance between water inlet of collector equipment and water pump as well as that between water-exiting of collector equipment and circulating entrance of water-storing tank. To cut pipes according to the measured size, to cover the heat preservation layer, and to connect collector equipment, water pump and water-storing tank. Pay attention that the connection of circulating pipeline should avoid the opposite alternative. The connection of pipe parts should be proper and firm, and the heat preservation materials should be covered perfectly. Pay attention that the probe of the sensor is placed properly. Installment of pipeline should be artistic and neat. Connection of collector equipment and water-storing tank After the collector equipment is fixed, one end of the equipment should be joined to the tee joint, and the top hole of the tee joint should be connected to an automatic exhausting valve and the bottom hole should be connected to the water- exiting pipe. The Water-exiting pipe should be connected to circulating entrance of water-storing tank,the oherside of the collector equipment should be connected to circulating exit of of water-storing tank. Pay attention that connection of circulating pipeline is proper and firm and that the heat-preservation materials are covered perfectly. Installment of other accessories Connection of Single direction valve Fix the single direction valve on the Water-exiting pipe of the collector equipment,the direction of the single direction valve and the direction of the Water-exiting pipe must keep same, please see Fig.1- Fig.2. Connection and Use of Safety Valve after switching on the water heater, a little water will drip from the safety valve pressure relief vent due to normal expansion. The vent shall always keep open to the air. Avoid being blocked. 9 6 Installation Introduction of indication board Introduction of indication board Operation diagram Installation Introduction of indication board Introduction of indication board Operatio...

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