MV3L system
Complying with CEIAB

MV3L System

The simple and effective interface solution between roof structure and photovoltaic panels for short slope

The MV3L system was designed to facilitate roof integration of all photovoltaic modules onto metallic, wooden or concrete roof structures. This system perfectly fits into a traditional roof, the watertightness catch up are easily and quickly carried out. The MV3L system enables covering from industrial to agricultural and office buildings.

MV3L

Reliability & long life

  • Control of expansion stresses between roof structure and photovoltaic modules
  • Materials used are recyclable and selected for long-term weather-resistance (aluminium profiles, stainless steel fastenings, etc.)

Optimization & profitability

Can be cantilevered up to 0.50m above the ridge purlin and 0.50m below the gutter

System without underlay for enhanced module ventilation to increase installation output by 5 to 10% (on-site data recorded for over 12 months)

Easy to set up and install

  • Designed in close collaboration with qualified professional installers
  • High installation productivity with 60 m² put in place per day (including removal of existing roof covering) by 3 people (approximately 40 modules)
  • Only a few tools required
  • The underside can be worked on so that roof covering and cabling can be carried out as separate operations

Maintenance & monitoring

  • The system has no areas which are vulnerable to dirt build-up or moss growth, ensuring that your roof staysclean all year round
  • Access to the cabling connections from inside the building (without removing the modules) means work on the system can be carried out faster and without worrying about the weather

Design

  • The system blends in aesthetically with the roof structure on the outside of the building and gives an exceptionally good finish on the inside
  • Aluminium profiles can be treated with coloured lacquer in a colour of your choice (black, blue…)

Adaptability & flexibility

  • All types of framed modules
  • All types of roof structure, direct fixation on purlins
  • All types of sloping roof from 5 to 50°
  • All types of side finishes can be used
  • Maximum weight of 4.5 kg/m²

Training

MECOSUN, which is officially approved as a training organization, provides you with training and assistance through a course on system installation. The day-long course provides you with the best possible advice for your first installation and also gives you our materials warranty.

Standard beams Attachment method
For metal roof structures IPN from 80 to 180 (standard)
IPE from 80 to 220 (standard)
HEA from 100 to 120
Thin sheeting profiles (e>1,5 mm)
Fixing clips
Fixing clips
Fixing clips
Fixing clips
For wooden roof structures Traditional or laminated Fixing clips
For concrete roof structure Beams with metal inserts Fixing clips
Structural load Maximum 4.5 kg/m²
Permissible roof slope From 5° to 50° (from 8% to 120%)
Distance between 2 supports beams Maximum 1.75 m in portrait mode and 1.4m in landscape mode
Wind areas (NV65) Zone 4 (Zone 5, on case study)
Snow areas (NV65) Zone D - Altitude 900 m
Module orientation Portrait or landscape (on conditions)
Length of roof slope

Maximum 13.5m

  • With MECOSUN building integrated photovoltaic systems, you can ensure that your building roof is weathertight thanks to our patented system using a mechanical drainage principle.
  • Not only that, as our system does not require an underlay, you get higher module output and the highest feed-in tariff in countries with the respective legislation.

Slideshow

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