Pre-Heated Pressurized Solar Water Heater
Evacuated Tube
Pre-Heated Pressurized
Solar Water Heater
SolarMaster SPP series of Pre-Heated Pressurized Solar Water Heater are suitable for both residential and commercial applications.
FEATURES
The design of the SPP Pre-Heated Pressurized Solar Water Heater is a culmination of nearly 15 years of feedback from installers and solar professionals all over the world and aims to meet their requirements with the following key features:
● Hot water goes out with high pressure
● Completely automatic operation
● The water can be heated rapidly
● Combined the heat exchanger into the Non-pressure system
● No risk for corrosion or scale deposit
● Economical compare with other pressurized system
● Gas or electrical boost options are available
● High wind load strength and High snow load strength
PRODUCT RANGE
SPP system are available from 150-300L sizes and have a number of options depending on the local market requirements.
| Model | SPP-15 | SPP-20 | SPP-25 | SPP-30 |
| Size A | 1350mm | 1585mm | 2158mm | 2510mm |
| Size B | 1410mm | 1532mm | 1963mm | 2310mm |
| Size C | 1550mm | 1550mm | 1550mm | 1550mm |
| Size D | 1600mm | 1600mm | 1600mm | 1600mm |
| Size E | 2010mm | 2010mm | 2010mm | 2010mm |
| Peak Output * | 1009W | 1335W | 1667W | 2019W |
| Gross Area |
2.40 m2
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3.17 m2 | 3.93 m2 | 4.70 m2 |
| System Capacity | 150 L | 200 L | 250 L | 300 L |
| Tube Quantity | 15 | 20 | 25 | 30 |
*Calculated at midday (trans IAM = 1), G=1000W/m2, ∆T (tm-ta)=0, Location is in Jinxing, China
How It Works
Step 1:
Solar glass tubes absorb solar radiation and converts radiation to heat energy.
Step 2:
As to the thermosiphon principle, the hot water from the tubes goes into water tank, while the cold water from the tank goes down to the tubes.
Step 3:
The cold water goes into the copper coil inlet, be heated by the hot water of the inner tank, and go out from the outside of copper coil
Step 4:
People do not use the hot water directly from the water tank, they use the hot water from the inside of copper coil.
Tank Structure
Main Component
Specifications
| Component |
Materials & Specifications
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Evacuated Tubes
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Material: Borosilicate 3.3
Tube style: Twin wall all glass Dimensions: ∅58mm outer tube; ∅47mm inner tube; 1.8m length, 1.65mm outer tube wall thickness |
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Solar Absorber Coating
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Material: Graded AL/N on AL
Absorptance: >92% (AM1.5); Emittance: <8% (80 C) Vacuum: P<5x10-5 Pa; Heat loss: <0.8W/(m2 C) |
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Water Tank
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Outer Tank: Φ470mm, Stainless Steel 304-BA or 201-BA or Color Steel , 0.4mm thickness
Inner Tank: Φ360mm, Stainless Steel 304-2B or 316L, 0.4mm thickness
Insulation Layer: 55mm thickness, High density Polyurethane Foam from Germany
Operating temperature: 55-95 C
Startup temperature: 0 C
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| Rubber Components |
Material: HTV Silicone Rubber (UV stabilized)
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Mounting Frame
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Material: Stainless Steel 304-BA or 201-BA or Aluminum alloy or Galvanised Steel
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