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Under normal operating conditions the potable water in the storage tank is heated by the solar collectors. For example, in an open circuit system where the household hot water is in the collector circuit, cold water is pushed downwards via the long external pipe from the storage tank to the bottom of the solar collector. As the water is heated in the absorber by the sun, it rises to the top of the collector then travels through the short external pipe into the storage tank. In the evenings or when raining, the circulation stops and if the water is not hot enough, the electric heater can work to ensure you always have hot water on tap.
Thermosyphon Solar Water Heater
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Model No. |
STE-PTS-150 |
STE-PTS-200 |
STE-PTS-300 |
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Water Tank |
Circulation Type |
Pressurized open loop |
Pressurized open loop |
Pressurized open loop |
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Tank capacity |
150L |
200L |
300L |
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External dimensions |
Φ525x1310mm |
Φ525x1566mm |
Φ525x2182mm |
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Outer tank materials |
Aluzinc steel |
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Inner tank materials |
Low carbon steel with vitreous enamel |
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Max working pressure |
0.7 Mpa |
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Electrical booster |
1.5kw |
1.5kw |
2.5kw |
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Solar Collector |
Overall area |
2.0㎡x 1pcs |
2㎡x 1pcs |
2㎡x 2pcs |
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Collector dimensions LxWxT |
2000 x 1000 x 80mm |
2000 x 1000 x 80mm |
2000 x 1000 x80mm |
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Mounting Bracket |
Materials |
Aluminium Alloy & Stainless Steel for tilted roof and Galvanized Steel for flat roof |
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Bracket type |
Flat roof and tilted roof for option |
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Weight |
Weight of overall system (empty) [kg] |
125 |
143 |
195 |
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Container Capacity |
20' container |
38 sets(flat roof) |
31 sets(flat roof) |
22 sets(flat roof) |
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39 sets(tilted roof) |
32 sets(tilted roof) |
23 sets(tilted roof) |
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40' container |
79 sets(flat roof) |
67 sets(flat roof) |
46 sets(flat roof) |
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82 sets(tilted roof) |
68 sets(tilted roof) |
47 sets(tilted roof) |
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| Pressurized Thermosiphon System Open-loop STE-PTS Series: | download |