Our DualSun FLASH photovoltaic solar panels can be placed in portrait or landscape.

Our DualSun SPRING hybrid solar panel can be installed in portrait or landscape, however it is not self-draining in landscape mode (it is therefore not recommended to install SPRINGs in landscape for a direct pool heating configuration).

To find out the details of the compatible installation systems for each panel in our catalogue:

 

Compatibility Table

 

For our DuaSun SPRING panels, it is important in all cases to validate the installation system used before installation. The SPRING panel can be installed in portrait or landscape (it is self-draining when installed in portrait only).

 

Here are the essential elements to check to determine the compatibility of DualSun SPRING panels with an installation system:

1. Laying areas on the rails

The DualSun SPRING hybrid modules have the particularity of integrating a heat exchanger, with hydraulic connections, on the rear face of a photovoltaic panel whose physical characteristics correspond to the photovoltaic panels on the current market, particularly 35 mm thick.

 

DualSun panels are certified for a maximum load of 5400 Pa (snow) and -2400 Pa (wind). To remain within the scope of this certification, the stirrups must be placed according to two rules:

• If the rails are in the direction of the length of the module: (L/4)-50<S<(L/4)+50
  • (L=module length, S=rail position relative to the short side of the module)

• If the rails are in the width direction of the module: 0<H<W/4
  • (W=width of the module, H=rail position relative to the long side of the module)

The panels have also been certified for a maximum load of 2400 Pa (snow) and -2400 Pa (wind). This

• If the rails are in the direction of the length of the module: 0<S<(L/4)-50

• If the rails are in the width direction of the module: 0<H<W/4 (idem 5400/-2400 Pa)

 

 

You have to make sure todo not interface the rails of the installation system with the hydraulic fittingsues, whose areas are delimited in the plan below. 

SPRING DSTIxxxG1-360SBB5

 

2. Raising the panels relative to the roof surface

It is necessary to ensure that the size of the hydraulic connections corresponds to the distance allocated by the laying system, between the surface of the roof and the lower edge of the module frame, which will be in contact with the mounting system.

Depending on the hydraulic nominal flow, two types of DualQuickfit fittings have been designed. Their size at the rear of the module is shown below.

 

The bulk of the hydraulic fittings on the rear side of the DualSun SPRING panels is to be considered carefully to avoid contact of the fittings with the surface of the roof cover.

Tie the interpanel links to the modules or to the rails of the mounting system in order to avoid them to lay on the roof cover.

Please compare the following characteristics of the flexible hoses of the interpanel links with the allowable height:

	DN15	DN26
Dint / Dext (mm)	15 / 21	26 / 32
Bending radius – Rb (mm)	88	140

To prevent them from resting on the roof covering, attach the hydraulic connections to the modules or rails of the laying system.

 

3. Possible connection configurations with hydraulic links

In order to facilitate their routing in a maximum of configurations, the DualSun hydraulic links have been developed to allow connection in portrait or landscape mode. It is thus possible to adapt the hydraulic links according to the desired layout and also to bypass obstacles between the panels and the roof.

 

Configuration 1: Panel mounted in portrait / Hydraulic links in portrait	Configuration 2: Panel mounted in portrait / Hydraulic links in landscape
Configuration 3: Panel mounted in landscape / Hydraulic links in landscape	Configuration 4: Panel mounted in landscape / Hydraulic links in portrait

Thus, the hydraulic connections can be oriented so as to avoid the rails of the mounting system or to adapt to the type of roof, in particular on trapezoidal sheet metal.

4. Trapezoidal sheet metal roofing

In the case of a trapezoidal sheet metal roof, the hydraulic connections can be positioned in a corrugation recess to limit the height of the modules.
The flexible hoses can either run perpendicular to the corrugations if the installation system raises the modules higher than the hose diameters, see Table in point 2 above, or run in the corrugation recess in the opposite case.

A detailed layout plan is then mandatory to ensure that the hydraulic connections do not interfere with the roof covering.

Reminder: Maximum 6 panels to create a hydraulic string

Checking the panel raising and positioning of the hydraulic links

DN15 fitting

See the characteristics of the DN15 hydraulic hose in the table in point 2 above .
The minimum elevation of the module with regard to the corrugation crest is 22 mm.
In this case, the edge of the hydraulic fitting can be placed 34 mm to the edge of the corrugation crest.

DN26 fitting

See the characteristics of the DN26 hydraulic hose in the table in point 2 above.
The minimum elevation of the module with regard to the corrugation crest is 36 mm.
In this case, the edge of the hydraulic fitting can be placed 60 mm to the edge of the corrugation crest.

Checking the roof layout

The positioning of the first module depends on the corrugation crest routing detailed above. Then check that each DualSun fitting is correctly positioned in the corrugation recess, according to the width of the inter-panel clamps, respecting the minimum distances for the routing of the hydraulic links through the corrugation crests.

Portrait layout:

Calepinage paysage: 

Sheet metal roof with 333 mm corrugation length : Select an inter-panel distance of 16.67 mm if possible and place the end of the module 325 mm from the centre of the corrugation crest. The position of the modules will thus be identical in relation to the corrugation crests over the entire layout.

Checking the routing of the hydraulic links

Routing perpendicular to the corrugations – Configurations 1 and 3

The previous points allow to check the routing of the hoses perpendicular to the corrugations according to the characteristics of the DN15 or DN26 hoses, to the height of elevation of the modules and to the positioning of the hydraulic links in relation to the corrugations.

Routing parallel to the corrugations – Configurations 2 and 4

Routing through rails may occur according to the mounting system. In this case it is possible to run the hydraulic links beneath or from the side of the rails.

It is necessary to ensure that :

• The height between the rails and the roof surface is greater than the external diameter of the flexible hoses, see table in point 2 above.
• The bending radius of the flexible hose is greater than the minimum bending radius to avoid the rails, see table in point 2 above.
• The rails are at a sufficient distance from the hydraulic fittings to comply with the minimum bending radii of the flexible hoses within the permissible fixing areas, see point 1 above.

Rails avoidance in portrait:

Rails avoidance in landscape: