Tritec TRI-PLAT EAST-WEST Manual de usuario

energy for a better world

INSTALLATION

INSTRUCTIONS

TRI-FLAT EAST-WEST

Ballast- and transport-optimized flat

roof installation system for PV

systems with east-west exposure

• no-drill and no-screw installation

• Fast and easy module clipping

using a click system

• Easy warehousing, fast and

economical transport

Contents

1. Basics

1.1 Notes 4

1.2 Load effect 4

1.3 Statics 4

1.4 Roof condition 5

1.5 TRI-DESIGN dimensioning software 5

2. Installation

2.1 Tools 6

2.2 Setup 6

2.2.1 Pre-mounting of the substructure 6

2.2.2 Preparation of the roof and setup of the substructure 10

2.2.3 Ballasting the system 13

2.2.4 Insertion of earthing plates 16

2.2.5 Insertion and fixation of PV modules 16

2.2.6 Module replacement 18

3. Product Specification

3.1 Product details 19

3.2 Dimensions 20

3.3 Roof layout 20

3.4 Further information 21

3.5 Ballasting and snow load 22

4. List of Components 23

4_Basics

1. BASICS

1.1 Notes

For the installation of the TRI-FLAT East-West mounting system only products

from the range of the TRI-FLAT South mounting system must be used. Using

third-party components can result in adverse effects on the system’s stability

and in major damages. The system may only be installed by trained and skil-

led personnel. We do not assume any liability for damages arising from the

use of third-party components or from incorrect installation.

These installation instructions describe the proper installation procedure for

the TRI-FLAT East-West flat roof system. In some situations, it is advisable, ho-

wever, to have a specialist (e.g. roofer or joiner) check the special featrues of

the roof.

1.2 Load effect

In addition to the dead weight of the photovoltaic system, mainly wind and

snow loads affect the system components and the substructure. For this rea-

son, each system must be calculated and planned for your individual require-

ments and external influences, taking into consideration DIN EN 1991*

(Actions on Structures).

The stresses by wind loads depend mainly on the wind zone (according to DIN

EN 1991-1-4*), the building’s height, the shape and slope of the roof and the

position of the roof’s centre. Weight stresses through snow load are depen-

dent on the snow zone (according to DIN EN 1991-1-3*), the building’s height,

the shape and slope of the roof and the position of the roof’s centre.

For each location the wind and snow load zone can be determined, which

will determine the design of the system.

1.3 Statics

On principle, the structural calculations of all roofs must be checked by autho-

rised experts. The main question to be answered is whether the roof can take

the additional stresses caused by the solar system.

Since the load bearing capacity of a roof and the load effect of a photovol-

taic system are determined by many factors, structural calculations must be

made for each roof individually.

*German standard: DIN EN 1991, DIN EN 1991-1-3, DIN EN 1991-1-4

Swiss standard: SIA 261

Austrian standard: ÖNORM EN 1991-1-3, B 1991-1-3

Eurocode 1 part 1-3 and part 1-4

Bascis_5

1.4 Roof condition

The current condition of the roof must be such, that renovation will not be-

come necessary for a period of at least 20 years. In case of doubt, it is advis-

able to have the roof checked by an expert. The TRI-FLAT South mounting

system has been optimised for flat roofs with plane surfaces. If the roof is un-

even due to aging or other reasons, it is advisable to consult a qualified

specialist.

1.5 TRI-DESIGN dimensioning software

The TRI-DESIGN dimensioning software calculates and designs the

TRI-FLAT East-West mounting system according to the standards of DIN EN

1991 (EC)*. The relevant directives are DIN EN 1991-1-4* for wind loads and

DIN EN 1991-1-3* for snow and ice loads, which affect the photovoltaic sys-

tem and its substructure.

The dimensioning software calculates all sizes and distances relevant for the

installation. In addition, the dimensioning software allows us to design the

system optimally for the individual roof and thus to select the best version of

the mounting system.

Under the warranty terms and conditions, all TRI-FLAT East-West systems

must have been dimensioned using the TRI-DESIGN dimensioning software.

6_Installation

2. INSTALLATION

2.1 Tools

The TRI-FLAT bending tool is required for the installation of TRI-FLAT

East-West.

2.2 Setup

Mounting is provided in five steps:

1. Pre-mounting of the substructure

2. Preparation of the roof and setup of substructure

3. Ballasting

4. Insertion of earthing plates

5. Insertion and fixation of PV modules

2.2.1 Pre-mounting of the substructure

1. Mounting of the upper module holder

Pre-mounting of the substructure can be done on a table.

Click together the upper TRI-FLAT module holder and the module carrier.

Place the holder in the middle of the carrier.

The module holder thus pre-mounted is pushed to the stop into the TRI-FLAT

bracket.

Pre-mount another module holder and insert on the opposite side of the bra-

cket.

Note: Holders and brackets must fit together flush.

2. Mounting the central module holder

Click in the bracket between two bottom profiles. Care must be taken that

both profiles are flush together and the bracket is centred.

Subsequently, the connection between bracket and bottom profiles is bent

off at four points using the TRI-FLAT bending tool.

Note: The bend must be torn out.

3. Mounting the lower module holder

Push the TRI-FLAT clip over the lower module holder and hook in.

Centrally click together module carrier and module holder.

Installation_7

8_Installation

If necessary, for drainage of water, 2 holes may be drilled into the carrier of

the lower module holder in those places which module manufacturers

demand.

4. Clicking in lower module holder

Click the lower module holder into the bottom profile.

Click clip into bottom profile and push over link of the module holder.

Installation_9

5. Determine space of module holder

Place gauge onto the carrier of the upper and lower module holders with the

corresponding module width plus the module width tolerance of 2 mm (va-

lue by experience).

Push the lower module holder so far that the gauge lies flush on both bra-

ckets without any clearance

With the bending tool, bend off 1x per edge flush on the lower module hol-

der and the bottom profile.

Note: If the substructure is assembled without pre-mounting, this bending

off can be done later in Chapter 2.2.2 with the inserted series connector.

Note: The bend must be torn out.

10_Installation

2.2.2. Preparation of the roof and setup of substructure

1. Laying out the protective bottom mat

On the roof, the grid is drawn in accordance with the row division (RT) and

the module length + a.

a = space between two modules (e.g. 5 mm)

plus tolerance of module length (depending on manufacturer, e.g. 2 mm)

The protective bottom mats can either be cut to size or laid out directly.

As needed, the protective bottom mat is cut to size 20 mm longer than the

bottom profile and laid out according to plan in north-south direction or in

east-west direction or in both directions simultaneously.

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