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Summary of Contents for DUALSUN SPRING4
- Page 1 English Installation, use, maintenant manual SPRING4 V 1.0 February 2024...
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Page 2: Table Of Contents
5.5.1. Selection of transfer lines ..................28 5.5.2. Selection of transfer lines - Pressurized system ............28 5.5.3. Hydraulic balancing of panel fields for DualSun pressurized system ......30 5.6. Maximum number of panels per hydraulic line ..............34 5.7. Insulation and protection of piping ..................35 6. - Page 3 Installation, use, maintenant manual SPRING4 9.1. Hydraulic pressure losses SPRING4 ................. 39 9.2. Thermal performance ....................... 39...
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Page 4: Introduction
Please read this installation manual thoroughly and in detail in order to be able to fully exploit the functionality of the product. DualSun disclaims all liability for defetcs and damages that would result from non-compliance with the installation instructions (improper use, incorrect installation, handling error, etc.). -
Page 5: Photovoltaic Solar Standards
The installation instructions and safety instructions must be met. Observe the regulations on the prevention of industrial accidents prescribed by professional associations, in particular those relating to work carried out on the roof. 1.3. Solar thermal standards FLASH and SPRING DualSun panels must be recycled... -
Page 6: General Description
Protected by several patents, the panel SPRING4 produces 4 times more energy than a photovoltaic panel of the same surface. This innovative technology allows your panel to be used: •... -
Page 7: Hail Resistance
2.1.1. Hail resistance The panel SPRING4 has hail resistance level RG3. 2.1.2. For the insulated version: Stagnation temperature of the panel is 70 °C. -
Page 8: Maximum Allowable Pressures For The Dualsun Spring Panel
• Anti-corrosion effect • Lowest possible viscosity in negative temperatures Here are the glycol references already validated with the aluminum exchanger of the SPRING4 panel: • Antifrogen® SOL HT (Clariant International Ltd) • Coracon Sol 5 et Coracon Sol 5F (Aqua Concept GmbH) •... -
Page 9: General Recommendations
2.2.1. Protection against fire / explosion Do not install the DualSun modules in the vicinity of highly flammable gases, vapours, or dust (e.g., next to a gas station or containers). The national and local fire prevention standards and regulations must be respected during installation. -
Page 10: Cleaning The Surface Of The Modules
Installation, use, maintenant manual SPRING4 2.3. Cleaning the surface of the modules The greater the degree of contamination of the surface of the PV system, the less the cells are able to absorb the energy contained in the incident sunlight. -
Page 11: Mechanical Installation
• acid rain • active chemical vapors or any other aggressive environment • DualSun modules must not be installed near flammable liquids, gases, hazardous materials or on any type of vehicle. • It is recommended to install the photovoltaic modules at altitudes below 2000 m 3.2. -
Page 12: Static Roofing Requirements
The solar installer must ensure that the roof structure can carry the additional weight of the hybrid system. 3.4. Installing DualSun modules The panels SPRING4 can only be installed in portrait. DualSun does not provide the module fixing system: for proper installation, refer to the installation instructions for the chosen fixing system. NOTE The list of mounting systems compatible with DualSun modules is available in the “Mounting... - Page 13 The clamps are not supplied by DualSun. IMPORTANT It is important to make sure that the clamping brackets do not distort the top of the aluminium frame of the DualSun panel, this may weaken or even break the glass.
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Page 14: Gap Between Spring4 And The Roof
Finnned version Insulated version CAUTION The size of the manifolds on the rear face of the panels SPRING4 must be carefully consid- ered to avoid contact between the fittings and the surface of the roof covering. NOTE To ensure good air circulation between the panel and the roof, a distance of 30mm must be... -
Page 15: Installation Areas On The Rails Of The Mounting System
3.6. Installation areas on the rails of the mounting system DualSun panels are certified according to the IEC standard for a maximum mechanical load of 5400 Pa positive (snow) and -2400 Pa negative (wind) in a standard configuration with four stirrups along the long side. - Page 16 Installation, use, maintenant manual SPRING4 Table 2. The mounting method has been tested outside the scope of IEC 61730 certification DSTFxxx-108M10T-03 ; DSTNxxx-108M10T-03 ; DSTIxxx-108M10T-03 Installation 4 clamps on the long side 6 clamps on the long side method Installation Position of ( 1/5*L-50 ) <...
- Page 17 Installation, use, maintenant manual SPRING4 Table 3. The mounting method has been tested outside the scope of IEC 61730 certification DSTFxxx-108M10T-03 ; DSTNxxx-108M10T-03 ; DSTIxxx-108M10T-03 Installation 4 bolts in the mounting holes on the long 4 clamps on the short side...
- Page 18 Installation, use, maintenant manual SPRING4 WARNING No element fixed on the rails can be in contact with the rear face of the panel. For example micro-inverter or optimizer. Use a mechanical mounting element suitable for the rails of the installation system to fix the...
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Page 19: Electrical Installation
Installation, use, maintenant manual SPRING4 4. Electrical Installation Electrical connection [19] Electrical fittings, cables and diodes [20] Bonding and lightning protection [22] Indirect lightning strike [22] 4.1. Electrical connection The nominal electrical parameters Icc, Vco and Pmax of the modules are determined under standard STC (Standard Test Condition) test conditions: illuminance of 1000 W/m²... -
Page 20: Electrical Fittings, Cables And Diodes
WARNING If additional PV modules must be installed in string with DualSun modules, their power and current must be equal to those of DualSun panels within the limits of manufacturers' tolerances Wiring in parallel For DualSun modules connected in parallel, a corresponding overcurrent protection must be used. To this end, a DC voltage fuse must be used to avoid reverse current. - Page 21 Never open the junction box The junction box of the DualSun module contains bypass diodes which are in parallel connection with the cell wires. If a hot spot occurs locally on one or more cells, the diode will enter into service to prevent the main current from flowing through the hot cells in order to limit overheating and loss of performance of the module.
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Page 22: Bonding And Lightning Protection
It is imperative to refer to the local regulations in force to comply with specific requirements DualSun modules must be bonded with prongs, lugs or other suitable means. Bonding can be done through the holes made for this purpose as part of each module. These holes allow the earth cable to be attached and connected to the equipotential bonding. -
Page 23: Hydraulic Installation
Installation, use, maintenant manual SPRING4 5. Hydraulic installation Hydraulic installation of solar panels SPRING4 on a line is broken down into the following steps: Inserting and locking the inlet-outlet fitting on the first panel of the line (respecting the direction of... -
Page 24: Hydraulic Connection Of The Inlets-Outlets To The Panels
Installation, use, maintenant manual SPRING4 • Blocker • Grease 5.1.1. Hydraulic connection of the inlets-outlets to the panels In order to connect the kits to the circuits it is important to take into account the size of our connections: 1"1/4 Necessary material : •... -
Page 25: Adding Plugs
Installation, use, maintenant manual SPRING4 GREASE HANDLING Be careful when handling grease not to put any inside the fitting. If by mistake you put some in, it is imperative to remove it with a wipe. 5.1.2. Adding plugs Necessary material : •... -
Page 26: Installation Of The First Panel
Installation, use, maintenant manual SPRING4 GREASE HANDLING Be careful when handling grease not to put any inside the fitting. If by mistake you put some in, it is imperative to remove it with a wipe. 5.2. Installation of the first panel The first panel is placed at the start of the line like a standard photovoltaic panel using the installation system you have chosen before. -
Page 27: Panel Temperature Probe
Installation, use, maintenant manual SPRING4 Installation of the panel by inserting the connectors into the fixed panel Securing the module with the brackets Repeat step 3 for each panel added GREASE HANDLING Be careful when handling grease not to put any inside the fitting. If by mistake you put some in, it is imperative to remove it with a wipe. -
Page 28: Hydraulic Balancing Of Panel Fields
Hydraulic balancing of panel fields for DualSun pressurized system [30] Hydraulic balancing of panel fields for DualSun solar swimming pool heating system 5.5.1. Selection of transfer lines The choice of transfer lines must be considered in order to: •... - Page 29 Installation, use, maintenant manual SPRING4 • -20°C to +80°C • 6 bar maximum Two types of pipes can be used: • Stainless steel pipes • Aquatherm type polypropylene pipes Note : • The hydraulic circuit must be designed taking into account the rate of thermal expansion of the pipes •...
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Page 30: Hydraulic Balancing Of Panel Fields For Dualsun Pressurized System
Installation, use, maintenant manual SPRING4 5.5.3. Hydraulic balancing of panel fields for DualSun pressurized system IMPORTANT The installation of isolation valves is necessary for: Improve the bleeding of the air contained in the hydraulic circuit during filling while com- missioning: Fill line by line in order to purge the air contained in the circuit more quickly... - Page 31 Installation, use, maintenant manual SPRING4 Symbols used in diagrams 1. Hydraulic inlet 3. Shut-off valve 2. Hydraulic outlet 4. Balancing valve 5. Filling valve Homogeneous lines Hydraulic balancing by the Tichelmann loop principle can be adopted when the panel fields are identical with the same number of panels, placed in the same direction.
- Page 32 Installation, use, maintenant manual SPRING4 Pressurized system Portrait panels - 2 lines / Single orientation / 1 column - DN15 or DN26 Portrait links Pressurized system Portrait panels - 2 lines / Double orientation / 1 column - DN15 or DN26...
- Page 33 Installation, use, maintenant manual SPRING4 Pressurized system Portrait panels - 4 lines / Double orientation / 1 column - DN15 or DN26 Portrait links Pressurized system Portrait panels - 1 line / Single orientation / 2 columns - DN15 or DN26...
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Page 34: Maximum Number Of Panels Per Hydraulic Line
Installation, use, maintenant manual SPRING4 IMPORTANT In the case of automatic balancing valves: Provide for the installation of bypass / isolation valves in parallel with the automatic balancing valves for commissioning filling (higher flow rate). In the case of manual balancing valves:... -
Page 35: Insulation And Protection Of Piping
For applications where the temperature of the tank to be heated is higher than 30 ° C, the hydraulic transfer lines must be insulated. The thermal insulation must resist UV rays For the SPRING4 with heat pump coupling, the external pipes must not be insulated. Pipes inside the building can be insulated to limit condensation. -
Page 36: Maintenance
Installation, use, maintenant manual SPRING4 6. Maintenance CAUTION Maintenance operations and interventions on the solar system must be carried out by a competent and authorized specialist. We recommend an interval of 2 years between each operation. Hydraulic maintenance Heat pumps can indicate to you in the error messages the defaults originating from the cold source (pressure drop, loss of transfer liquid, etc.). -
Page 37: Decommissioning Of The Installation
For SPRING modules, once the installation has been emptied, the DualQuickfit quick couplings can be disman- tled using a special pliers, supplied in the essential kit. 7.3. Waste treatment When handling waste from a used DualSun system, the applicable regional and national regulations must be observed. DualSun is a PV Cycle member. -
Page 38: Responsibilities
For the other components of the installation, see the warranty conditions of the various manufacturers. 8.2. Disclaimer DualSun cannot be held liable in the following cases: • Failure to comply with the instructions contained in the Notice concerning the installation, use, operation and maintenance of the installation. -
Page 39: Technical Appendices
9. Technical appendices 9.1. Hydraulic pressure losses SPRING4 Z configuration Hydraulic pressure loss SPRING4 in kPa from 1 to 8 panels depending on the flow rate in L/h for a temperature of 40°C and a glycol percentage of 28% 9.2. Thermal performance Figure 1. - Page 40 Installation, use, maintenant manual SPRING4 Figure 2. Thermal power of the insulated version in Watt as a function of (T ) for G=800 water and G=1000W/m² Figure 3. Thermal power of the non-insulated version in Watt as a function of (T...
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