After having worked with both types of heaters wehighly recommend spending the additional amount and installing high pressure solar water heaters. 4. Integrative Pressurized Solar Water Heater, Pre-Heated Pressurized Solar Water Heater, The design of the SNP Non-Pressure Solar Water Heater is a culmination of, 15 years of feedback from installers and solar professionals all, over the world and aims to meet their requirements with the, ost economical solar heater, work stable and no maintenance, Completely automatic operation, if with the controller, Easy to install for at roof and pitched roof, One time heat exchange, High heat efficiency, High pressure polyurethane foaming with thickness 55mm, Gas or electrical boost options are available, High wind load strength and High snow load strength. Copyright 2021 Solar Water Heater Kenya. Non pressurized solar water heaters use very simple mechanisms and do not require many extra parts to operate. Non-pressure solar water heater specification, 0.31-0.4mm thickness color steel/ fluorine carbon steel, Food grade 0.31-0.4mm thickness SUS304 stainless steel, 55mm 45kg/m high-density polyurethane foamed, 5 holes for air vent,overflow,water inlet and outlet,electric heater, How non-pressurized solar water heater works. endstream endobj 1590 0 obj <>stream Copyright 2019 Blueclean. 4. Due to lower pressure and stress on the tank and collectors, it has a longer life than mains pressure solar geyser systems. The non-pressure solar water heater is a kind of solar water heater which uses the vacuum tube with high absorptivity and low emissivity to convert the absorbed solar radiation into heat energy. For active systems, discuss the maintenance requirements with your system provider, and consult the system's owner's manual. 4. Most of our house plans allow installation of high pressure solar heaters. They hold a lot of useful food items and tools which can be neatly arranged and retrieved within moments when needed. f.V=$DnW'nm~+"}H Q|J The design of this type uses the Thermosyphon principle. 2. As the water flows through the collector tubes, it gains the heat energy from the sun and gets hot. It is a simple and safe solution to get heat power from the sun. The evacuated glass tubes are filled with water and exposed to sun, thus heating up the water in the glass tubes. All rights reserved. Used to fill the water into big water tank automatically. There is nothing as annoying as trying to take a shower and the hot water only keeps dripping instead of having a strong steady flow. The entire solar heater system needs to be shut down even if one glass tube breaks. The non pressurized solar water heaters are also called passive solar water heaters. No.8 Xilin industrial Park, Changzhou,China, SUS304-2B(0.4mm)orgalvanizedsteel(0.4mm), SUS201(1.2mm)orAluminium(3.0mm)orgalvanizedsteel(1.5mm), Outer tank material: SUS304-2B, thickness: 0.41mm; Inner tank material: SUS304 2B, thickness: 0.5mm, Evacuated tube material: high boron-silicon glass 3.3, the coating of absorber: CU-SS-AL/N/AL, dimensions: OD 58mm x length 1800mm, thickness: 1.6mm, Heat efficiency: absorbing rate: 92-96%, emission rate: 5%2%, 2.5 hours to boiling point, heat preservation: 72 hours. Solar water heatersare manufactured aspressure and non-pressure models. This type of solar heater is simple, with no moving parts. One pump, two functions: increasing pressure and recycling, 5. One investment will benefit you for life. 150Liter non-pressurized solar water heater details: Temperature difference circulation: When solar collector temperature is 10 higher than tank temperature, circulation pump will start to inject cold water from tank to the collectors, so hot water in the collectors will go to the tank, when temperature difference is lower than 3 circulation pumps will stop. SNP system are available from 100-360L sizes and have a number of options depending on the local market requirements. Works well with water pumps that have been installed. They can sometimes be retrofitted to use existing storage tanks. (1-866-927-6863), Overheating Protection for Solar Collectors. This type of solar water heater therefore depends on convention and gravity to circulate the water throughout the system. Feel Free to visit our new websitehttps://www.1stsunflower.com. Some models require power to run the pump and temperature differential controller this can be overcome by installing a photovoltaic module. 1. How to choose the correct solar water heaters - high pressure vs. low pressure. Without the assistant tank, customers can install the solar controller to realize the same function. Disadvantages Auto charging water: Charging water by solenoid valve. Water temperature is unstable and difficult to control. We can help you invest in a quality non pressurized solar water heater that will serve your needs well and for a long time. The collector has no overheating protection function. It can also operate normally in all seasons. Because the vacuum collector tube and the water tank are sealed by the sealing rubber ring, they cannot withstand the pressure. We can all agree that these 5 kitchen appliances will save you a lot of time when it comes to whipping up a meal. There does not have to be an unsightly solar heater water tank on the roof. S%q='FA1!R*6K?l3+SmQluvi:CUcjR=A#P ')0'v4''N4zGPOSiQahxQwPRwuUm A49:k Beautiful appearance and easy to be installed, 1. Pipe circulation: When outlet pipe temperature is lower than setting data, pipe circulation pump P2 will start to inject hot water of the tank into the tank, make sure that when you open the water tap you will have hot water. Compact solar water heaters rely on the natural circulation of water between the collector and the tank or heat exchanger. When screening potential contractors for installation and/or maintenance, ask the following questions: After your water heater is properly installed and maintained, try some additionalenergy-saving strategiesto help lower your water heating bills, especially if you require a back-up system. Since an integral-collector storage system already stores hot water in addition to collecting solar heat, it may be packaged with atankless or demand-type water heaterfor backup. Kitchen pantries are an incredibly important part of a modern kitchen. SFEseriesSolar water heaters Specifications: SFE seriesSolar water heaters Package and Size: Package: SolarWater tank, Solar Standing Frames, Solar tubes are separately packed in one carton. However, passive systems can be more reliable and may last longer. The main advantage is that the water pressure can be very high. > Compact Solar System Regular maintenance on simple systems can be as infrequent as every 35 years, preferably by a solar contractor. It uses the characteristics of large cold-water ratio and small proportion of hot water to form a natural circulation of cold water from top to bottom and hot water from bottom to top in the vacuum tube, which gradually increases the temperature of the whole water and reaches a certain temperature. Can provide hot water without external power. Conventional storage water heatersusually provide backup and may already be part of the solar system package. Through this circulation, the cold water in the water tank will be gradually heated. It can cause serious scalding if not installed or used correctly. Non-pressurized solar water heater of all glass evacuated tube collector integrated with storage tank, are ideal for use in houses and other applications where cheap, reliable hot water supply is required. As the specific gravities of hot water and cold water are different, cold water goes downward and hot water goes upward. Typically characterized by an enclosed heating unit containing copper tubes connected indirectly to a tank. N`:k. 3. Also, the tanks need to be installed at a high ground to make it easier for the water to flow down the system for use when needed. Take your time to ensure the desired outcome can be reached using either DIY or paying a professional. Electrical heater assistant: When water temperature in the tank is below the setting data at the setting time the electrical heater will start to heat water till reach the setting data. The storage tanks are highly insulated to ensure that the water that enters the tanks remains hot for a long period. Its safety, cost and service life are much more significant than the pressure type. No pollution, effective protection of the environment, energy conservation, usually very low cost of use. It can help the equipment of the solar heater system such as the water tank, the evacuated tube etc. It is not easy to transport and install. The water inlet and outlet are placed under the water tank to reduce heat loss, and there is no dead water area in the water tank to avoid possible bacterial propagation. +86 18954549988 Non-pressure solar water heaters are very safe, energy-saving, environmentally friendly and the heat collecting effect is long and the water temperature is high, even in the alpine region, it can operate normally all year round. Reflector angles are carefully designed according to different latitudes in the South and North regions to ensure the best heat collection effect of vacuum tube. Product performance There are two types of active solar water heating systems: Passive solar water heating systems are typically less expensive than active systems, but they're usually not as efficient. They are simple, economic and practical. The difference in price may sway some people to choose the cheaper low pressure option, however, if you can afford it then always go with a high pressure system. David Li The low-pressure gravity system consists of a vacuum glass tube collector, an insulated storage tank and optional stand parts (make up tank). preventing water incrustation, melting silt and preventing erosion by lower cost. In two-tank systems, the solar water heater preheats water before it enters the conventional water heater. Plumbing and other conventional water heating components require the same maintenance as conventional systems. Saving energy: choosing Germany original pump, the electricity consumption is very litter, just only several cents every day, 4. As such the system can be used for a long time which coupled with the affordability of these solar water heaters ensures a high return on investment. The colder water in the water tank then moves down to the bottom of the collector. There are two basic types of passive systems: Most solar water heaters require a well-insulated storage tank. All glass vacuum tube is cold and hot shock resistant, high pressure resistant. There are two types of solar water heating systems: active, which have circulating pumps and controls, and passive, which don't. Please correct the marked field(s) below. 2. This type of solar heating system is lightweight. This type of solar geyser system is highly effective in converting sunlight into heat. Cheap and reliable solution, Simple structure, Easy installation, 3. Solar energy is non-polluting, clean and easy to obtain energy. All the weight of the heater is carried by the roof which may need additional support, The tank does not look very attractive when installed on top of a roof. Since the vacuum glass tube is circular, it has the characteristics of natural tracking of the sun source, and the reflection principle of the reflector makes the glass tube cover all sides, the heat collecting effect is longer, and the water temperature is higher, even in the alpine region. david@renewsolargy.com, https://www.zentekenergy.com/wp-content/uploads/2019/07/ZTLOGO.png, Working time of heat pipe solar water heater. Withstands water pressure no more than 0.1MPa, 5. z\L~eWc4vQ Hot water can be used directly, or can be used as a pre-heated, Non-pressure solar water heater optional accessories. 5 Essential Kitchen Appliances Every Home Ultimately Needs. Home It uses the height difference between the roof and the home to generate pressure when using water. Efficient application. No.12308 East Jingshi Road,Jinan,Shandong,China. Energy saving and environmental protection. Non-pressurized solar water heater features, 1. 1. Working principle Now, in the fully automated category we have these options. Comparatively large, beautiful, inconvenient installation, can only be placed on the roof, increase the weight of the roof. 1. They can be used in any climate, and the fuel they use -- sunshine -- is free. This is because of the reduced pressure in the tank, pipes and faucets or taps. There are some fundamental differences which you should be aware of before deciding which one works best for you and which one you should install. The storage tank is made from food-grade stainless steel by automatic welding, which efficiently avoids the leaking problem. Contact us today to learn more. The high-pressure Direct Pressure Solar Water Heating System features evacuated tubes and heat pipes. Just install once and you can use it for more than ten years.