Solex – DWHX
Solar heat transfer unit. The solar heat transfer station Solex DWHX is a preinstalled and leak-tested unit with integrated double wall heat exchanger for transferring heat from the collector to the storage tank. Completely insulated, with generously dimensioned double wall stainless steel plate heat exchanger, integrated preset and prewired controller assures a simple and quick installation as well as a safe commissioning. Downloads: Solex DWHX Technical Product Brief (247 Kb)ct Brief (247 Kb)
Description
Product Description Technical Specifications Product Description
Pre-assembled Steel Wall Bracket |
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Fully Assembled |
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Double Wall Design Heat Exchanger |
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Flow Meter |
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Large Ball Valve Handles |
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Solar Circulation Pumps by Wilo |
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Three-speed bronze pump |
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integrated Flushing and Filling Valves |
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Technical Specifications
Flow Rate | 0.3 – 3.5 USgpm (1-13 L/min) |
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Integrated Controller | Yes |
Integrated Controller Description | BS Plus |
Integrated Heat Exchanger | Yes |
Pipe System | Multi-Pipe System |
Solar Panel Fields | 1 |
Storage Tanks | 1 |
Parallel Storage Tanks | No |
Fittings | brass |
Gaskets | Klingersil / EPDM |
Insulation | EPP |
Check Valves | brass |
Max. Pressure | 6 bar / 87 psi |
Max. Temperature | 248 °F, temporarily 320 °F (120 °C, temporarily 160 °C) |
Check Valves | 7.87″ WC primary; 7.87″ WC secondary |
Flowmeter Range | 0.3 – 3.5 USgpm (1-13 l/min) |
Pressure Relief Valve | 6 bar / 87 psi, for thermal solar systems |
Pressure Gauge | 0-6 bar / 0-87 psi, resistant to high temperatures |
Thermometer | 0 – 160 °C / 32 – 320 °F, in the solar loop |
Connections | primary loop 3⁄4″ cutting-ring connection; secondary loop: 3⁄4″ male thread |
Additional information
Weight | 30 lbs |
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Pump | primary: Wilo Star-S21; secondary: Wilo Star-S21 BU, 30 plates heat exchanger +$116.58 (2), primary: Wilo Star-S21; secondary: Wilo Star-S21 BU, 16 plates heat exchanger (4), primary: Wilo Star-S30; secondary: Wilo Star-S21 BU, 30 plates heat exchanger +$406.88 (2) |
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