Split Solar Geyser System

I. Product Introduction

The Split Solar Geyser System is a pressure-bearing split solar water heating solution specially designed for high-end residences and commercial facilities overseas. The system features an efficient heat pipe collector and a 316 stainless steel double-pipe water tank, which are installed separately. The collector can be placed on the roof, balcony, or wall, while the water tank is placed indoors or in equipment rooms. It perfectly suits various buildings in regions such as Europe, Australia, the Middle East, and Southeast Asia. The capacity ranges from 100L to 1000L, allowing for full customization to meet diverse needs for households, villas, hotels, schools, and factory dormitories. 

The heat pipe collector uses an aluminum alloy frame and low iron tempered glass. The interior is a full copper heat absorption plate, which is attached to the highly efficient heat pipe. The surface is covered with a blue titanium film heat absorption coating (with an absorption rate of ≥ 95% and an emission rate of ≤ 5%). The heat pipe operates based on the principle of phase change heat transfer, has a fast startup speed, and can withstand freezing temperatures down to -30℃. A single heat pipe damage does not affect the operation of the entire machine, and its reliability is extremely high. The collector has a smooth appearance and can be integrated with solar energy and buildings (BIPV/T), and has passed international certifications such as Solar Keymark and CE. 

The inner liner of the water tank is made of 316 food-grade stainless steel, and it is equipped with a double-tube heat exchanger (made of copper): the lower tube connects to the heat pipe collector for solar heating; the upper tube can be connected to auxiliary heat sources such as electric heating, air-source heat pumps, and gas boilers to achieve multi-energy complementarity (hybrid system). 316 stainless steel has extremely strong resistance to chloride ion corrosion, making it particularly suitable for areas with high salt spray and poor water quality near the coast. The water tank can withstand a pressure of 0.6 MPa (tested at 1.2 MPa), and the water pressure is constant, providing a comfortable bathing experience. It is equipped with an aluminum alloy bracket, which is lightweight and corrosion-resistant. 

II. Technical Parameter Table

Capacity range 100L, 150L, 200L, 300L, 500L, 800L, 1000L (customizable) 

Heat Pipe Solar Collector:

Stainless Steel Water Tank:

Workstation:

III. Working Principle

The split-type solar water heater system uses heat pipe phase change heat transfer + forced circulation indirect heat exchange:

1. Heat pipe heating: Sunlight heats the evaporation section of the heat pipe, the working fluid vaporizes and rises to the condensation section, releasing heat and heating the anti-freezing medium in the collector flow path. The heat transfer efficiency of the heat pipe is > 98%, with no reverse heat loss.

2. Temperature difference circulation: When the temperature of the collector is 5-8℃ higher than that of the lower part of the water tank, the intelligent controller starts the circulation pump, pumping the high-temperature medium into the lower coil of the water tank, and the heat is transferred through the coil wall to the domestic water, and then returns to the collector after cooling.

3. Auxiliary heating: When the water temperature in the water tank is insufficient, the system automatically starts the auxiliary heating source (electric heating, heat pump or gas boiler) to ensure constant temperature hot water throughout the day.

4. Pressure-bearing water supply: The water tank is directly connected to the tap water, and the water pressure is constant, with no fluctuations in multiple water uses.

5. Anti-freezing protection: The heat pipe itself is anti-freezing -30℃, and the flow path of the collector can be emptied or filled with a small amount of antifreeze to completely eliminate the risk of freezing and cracking. 

IV. Product Advantages

1. Heat pipe collector, highly resistant to freezing: The heat pipe has fast phase change heat transfer and high efficiency. It does not freeze at -30℃. A single damaged heat pipe does not affect the entire system, and the maintenance cost is extremely low.

2. 316 stainless steel double coil tubes, extremely strong corrosion resistance: The 316 inner tank is resistant to chloride ion corrosion and is suitable for coastal and poor water quality areas; the double coil tubes support solar energy combined with any auxiliary heat source, enabling year-round and all-day hot water supply.

3. Capacity 100L - 1000L, fully customizable: Customized as needed, multiple units can be connected in parallel to expand to a larger scale, and flexibly match scenarios such as households, hotels, factories, and schools.

4. Split design, flexible installation: The water tank can be placed indoors, in the basement, or in the equipment room, solving the problem of no roof space on high-rise buildings. The longest circulation pipeline is 30 meters.

5. Intelligent dual-source control, energy-saving and convenient: Solar energy is prioritized, and the auxiliary heat source is automatically switched; optional Wi-Fi remote monitoring, saving 60%-80% of energy costs annually, in line with European energy efficiency standards.

6. Pressure-bearing operation + aluminum alloy support: Constant pressure water supply is comfortable; the accompanying aluminum alloy support is lightweight, corrosion-resistant, and extends the system lifespan. 

V. Factory Advantages

Our company has been dedicated to the research and manufacturing of split solar water heaters for 15 years and is a trusted OEM/ODM partner for overseas customers.

1. International Certifications: ISO9001, ISO14001, Solar Keymark, CE, CB. Our products are exported to 50+ countries.

2. Core Production: Fully automated production line for heat pipes, CNC processing of 316 stainless steel water tanks, and high-pressure foaming assembly line. Quality is fully controllable throughout the process.

3. Heat Pipe Expertise: Independently developed high-efficiency heat pipes with a startup temperature of ≤ 25℃, resistant to freezing at -30℃, and tested for 100,000 thermal shock cycles.

4. Customization Capability: Supports customization of any capacity from 100L to 1000L, with flexible minimum order quantities.

5. After-sales Guarantee: Whole machine 5-year warranty, providing English manuals, installation videos, CAD drawings, and remote technical guidance. 

VI. List of Accessories 

VII. Installation Precautions

1. Orientation and Angle: Facing south (north in the Southern Hemisphere), with an angle of ±10° relative to the local latitude. Avoid obstructions.

2. Water Tank Position: On the indoor load-bearing area. For a 1000L fully loaded unit with a capacity of approximately 1.1 tons, it is necessary to confirm the floor load-bearing capacity.

3. Circulation Pipeline: Length ≤ 30 meters, insulation ≥ 30mm. The outdoor section should be equipped with a heating belt to prevent freezing.

4. Heat Pipe Installation: The collector should be tilted by 2-3° as a whole. Ensure that the condensation end is higher than the evaporation end to facilitate the return of the working fluid.

5. Electrical Safety: Use an independent circuit. Install an earth leakage protection switch and ensure reliable grounding.

6. Pressure Test: After installation, conduct a 1.2MPa water pressure test on the water tank and the collector side separately. Maintain the pressure for 30 minutes without leakage. 

VIII. Application Cases

1. Villa: 300L system + 6 sets of heat pipe collectors, operates efficiently at -5℃ in winter, saving electricity costs.

2. Resort: 2 units of 1000L double-pipe water tanks + 20 sets of heat pipe collectors + air-source heat pump, the annual operating cost is only 35% of pure electric heating.

3. School: 3 units of 500L systems + 15 sets of heat pipe collectors, can meet the shower needs of 300 students, with an investment recovery period of 1.5 years. 

IX. Development Trends

1. Popularization of Heat Pipe Technology: Resistant to freezing, highly efficient, and reliable. Demand is growing rapidly in cold regions such as Europe, Canada, and Northern Europe.

2. Integration of Flat Heat Pipes: Mainstream in the high-end market, balancing architectural aesthetics with extreme climate adaptability.

3. Standardized 316 Stainless Steel Double Tube Water Tank: Fully adopted in export high-end products to meet the requirements of multi-energy complementarity and long lifespan.

4. Customized Capacity Moduleization: 100L - 1000L customizable according to needs. The modular parallel solution is favored by engineers.

5. Intelligent Internet of Things: Wi-Fi/4G controllers are standard equipment, enabling remote monitoring, diagnosis, and reducing after-sales costs.

6. Multi-energy Complementary System: Solar energy + heat pump + energy storage integration, moving towards zero-energy buildings.

Summary: The Split Solar Geyser System with heat pipe collectors' efficient anti-freezing, 316 stainless steel double tube water tanks' corrosion resistance and multi-energy complementarity, as well as 100L - 1000L customizable flexibility, has become an ideal energy-saving hot water solution for residential and commercial projects in cold and coastal regions worldwide. We sincerely invite global distributors, distributors, and engineers to join hands and cooperate!

Contact us immediately to obtain heat pipe system solutions, export quotations, and channel cooperation policies!

Website: www.btesolar.com