PV-ezRack ComT 2.0: 5 Technisches Handbuch

Ver 3.0 / Last Updated - Apr. 2023

ComT 2.0: 5°, 10° and 15°

Code-Compliant Planning and Installation Guide V2.0

Complying with AS/NZS 1170.2:2021

Installation Guide / ComT 2.0: 5°, 10° and 15°

1Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

Introduction

Using only PVezRack® parts and installer- supplied

parts as specified by PVezRack® project plan

(substitution of parts may void the warranty and

invalidate the letter of certiﬁcation).

Recycling: Recycle according to the local relative

statute.

Removal: Reverse installation process.

Ensuring that there are no less than two professionals

working on panel installation.

Ensuring the installation of related electrical

equipment is performed by licenced electricians.

Ensuring safe installation of all electrical aspects of

the PV array, this includes adequate earth bonding of

the PV array and PVezRack® SolarRoof components

as required in AS/NZS 5033:2021.

Ensuring that the roof, its rafters/purlins, connections,

and other structural support members can support

the array under building live load conditions.

Ensuring that screws to ﬁx interfaces have adequate

pull-out strength and shear capacities as installed.

Maintaining the waterproof integrity of the roof,

including the selection of appropriate ﬂashing.

Verifying the compatibility of the installation

considering preventing electrochemical corrosion

between dissimilar metals. This may occur between

structures and the building and also between

structures, fasteners and PV modules, as detailed in

AS/NZS 5033:2021.

Verifying atmospheric corrosivity zone of installation

site by referring to AS 4312-2008 or consulting local

construction business to determine appropriate

products and installation.

•

Complying with all applicable local or national

building codes, including any updates that may

supersede this manual.

Ensuring that PVezRack® and other products are

appropriate for the installation and the surrounding

environment.

•

The installer is solely responsible for:

List of contents

Introduction

Planning

Tools & Components

System Overview

Installation Instruction

Certiﬁcation

The PVezRack® ComT is developed for PV installation

on ﬂat or pitched roofs. The unique ﬁxing parts can be

quickly and easily installed with simple tools.

Please review this manual thoroughly before installing

PVezRack® ComT. This manual provides:

1) Supporting documentation for building permit

applications relating to PVezRack® ComT.

2) Planning and installation instructions.

The PVezRack® ComT parts, when installed

in accordance with this guide, will be structurally sound

and will meet the AS/NZS 1170.2:2021 standard. During

installation, and especially when working on the roof,

please comply with the appropriate Occupational

Health and Safety regulations. Please also pay attention

to any other relevant State or Federal regulations.

Please check that you are using the latest version of the

Installation Manual, which you can obtain by contacting

Clenergy Australia via email at tech@clenergy.com.au or

contacting your local distributor in Australia.

- Introduction -

Product Warranty:

Please refer PVezRack® Product Warranty on our

website.

Installation Guide / ComT 2.0: 5°, 10° and 15°

Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

Planning

Central Australia is now classiﬁed as Wind Region A0

and Terrain Classiﬁcation 2 instead of Wind Region A4

Region A1, previously most of the South coast of

Australia, now is divided into Regions A1 and A5.

Tasmania is now Region A4.

Region B has been divided into regions B1 and B2.

This will affect installations in Northern NSW, Gold

Coast, Brisbane, Sunshine Coast, and Gladstone.

Region B1 was increased to include more inland cities

around Brisbane. This will likely mean extra structural

requirements such as extra rail for installs.

•

Wind regions are pre-defined for the whole of Australia by the Australian Standard 1170.2:2021. Comparing to

1170.2:2011, 2021 version has a lot of changes in wind regions.

- Planning -

Determine the Wind Region of Installation Site

Wind Regions – Australia

Installation Guide / ComT 2.0: 5°, 10° and 15°

3Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

Determine the Terrain Category

It requires to determine the right terrain category to ensure the installation meets the maximum interface spacing

speciﬁed in the engineering certiﬁcate.

In 1170.2-2021, Terrain category 1.5 was removed and Terrain category 2.5 was added. See the deﬁnitions below.

Terrain Category 1 (TC1) – Very exposed open terrain with very few or no obstructions,

and all water surfaces (e.g. ﬂat, treeless, poorly grassed plains; open ocean, rivers, canals,

bays and lakes).

Terrain Category 2 (TC2) – Open terrain, including grassland, with well-scattered obstructions

having heights generally from 1.5 m to 5 m, with no more than two obstructions per hectare

(e.g. farmland and cleared subdivisions with isolated trees and uncut grass).

Terrain Category 2.5 (TC2.5) – Terrain with some trees or isolated obstructions, terrain in developing outer urban areas

with scattered houses, or larger acreage developments with more than two and less then 10 buildings per hectare.

Terrain Category 3 (TC3) – Terrain with numerous closely spaced obstructions having

heights generally from 3 m to 10 m. The minimum density of obstructions shall be at least the

equivalent of 10 house-size obstructions per hectare (e.g. suburban housing, light industrial

estates or dense forests).

Terrain Category 4 (TC4) – Terrain with numerous large, high (10 m to 30 m tall) and closely spaced constructions, such

as large city centres and well-developed industrial complexes.

If your installation site is not at TC 2, 2.5 or 3, please contact Clenergy to obtain a project speciﬁc

engineering certiﬁcate to support your installation.

Determine the Maximum Rail Support Spacing

Please refer to the Certiﬁcation Letter and Interface Spacing Table. There are many factors affecting maximum interface

spacing, such as wind region, building height, panel size... There is one factor specially for ComT, which is row spacing

between panels. Please refer to note 22 to ﬁnd out reduction and increase factors for different row spacing.

If a project speciﬁc Certiﬁcation Letter has been provided, please refer to the support spacing in this letter.

- Planning -

Row spacing Spacing +/- (North facing) Spacing +/- (East-West)

0 mm to < 200 mm - 20 % - 20 %

< 200 to < 400 mm -10% -10%

< 400 mm to < 650 mm Apply the same table spacings Apply the same table spacings

> 650 mm +20% + 10 %

Installation Guide / ComT 2.0: 5°, 10° and 15°

Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

- Planning -

Determine System Tilt Angle

The PVezRack® ComT system is a ﬁxed 5°, 10° and 15° tilt system.

Determine Roof Pitch

The PVezRack® ComT system can be used for roof slopes up to 10°. Please verify that the Installation site roof pitch is

less or equal to 10°.

Determine the Installation Area of Roof

Please refer to PVezRack® ComT Interface Spacing Table in Certiﬁcation Letter.

Verify Rafter/Purlin Properties of Building

Please verify the rafter/purlin properties of the building, which could affect the interface spacing. For example, the tin

interface spacing on the metal purlin in the certiﬁcation letter is based on steel purlins G450 1.9 mm thick. If the steel

purlin is less than 1.9 mm in thickness, the corresponding reduction factor of the interface spacing will be applied. For

different grade of timber purlin, the different spacing will apply as well. Please refer to the generic notes for details.

Determine the Maximum Rail Support Spacing

There are other additional factors (such as PV module dimensions, number of rails per PV module, row spacing

between PV modules) related to maximum rail support spacing. Please refer to the notes of Certiﬁcation Letter. If a

project speciﬁc Certiﬁcation Letter has been provided, please refer to the support spacing in the provided letter.

Verify Maximum Rail Overhang

Maximum rail overhang is 150 mm for interface ﬁxing (or installed) spacings equal or over 700 mm. For interface ﬁxing

spacings less than 700 mm, max rail overhang is 50 mm.

Verify PV Module’s Clamping Requirements

It is important to check PV modules clamping requirements (for example clamp dimensions, clamping distance from

the end of panel) from PV modules manufacturer before installations, which can help to avoid using incorrect size of

clamps and help to plan interface’s positions on the roof and rail’s orientation and position.

Installation Guide / ComT 2.0: 5°, 10° and 15°

5Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

Tools and Components

Tools

Impact Driver

(Max. torque≥20N.m,

for M8 bolt and nut)

StringTorque Spanner

Marker Pen

Spanner

6mm Hex Driver Bit

(in the carton provided

by the Clenergy)

Open Spanner 14mm

Tape

Components

FL-COMT/Z/G/5

Front Leg Assembly,

5°, with Z-Module and

Grounding Pins

RL-E-COMT/G/15

Rear Leg Extender, 15°,

with Grounding Pins

RL-COMT/Z/G/5

Rear Leg Assembly, 5°,

with Z-Module and

Grounding Pins

ER-R-ECO

ECO Rail

FL-COMT/Z/G/10V2

Front Leg Assembly,

10°, with Z-Module and

Grounding Pins, version 2

ER-R-T50

T50 Rail

RL-COMT/Z/G/10V2

Rear Leg Assembly,

10°, with Z-Module and

Grounding Pins, version 2

ER-R-T110

T110 Rail

FL-COMT/Z/G/15

Front Leg Assembly,

15°, with Z-Module and

Grounding Pins

S-MT/240

MT-Rail Support

- Tools and Components -

Installation Guide / ComT 2.0: 5°, 10° and 15°

Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

Components

- Tools and Components -

ER-I-05

Tin Interface

ER-I-05/CM

Tin Interface

with Click Module

ER-I-05A/EZC/ECO

Tin Interface A with

ezClick connection

ER-I-25

Tin Interface with

Curved Base for

Corrugated Roof

ER-RC-T/DM

Rail Clamp for T-Rail,

with Diamond Module

ER-RC-100/63/60

Tie Rod Connector

100*63*60

Installation Guide / ComT 2.0: 5°, 10° and 15°

7Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

System Overview

Tin Interface with Eco Rail

MT-Rail Support with T50/T110 Rail

A. Front Leg Assembly B. Rear Leg Assembly C. ECO Rail D. Tin Interface

A. Front Leg Assembly B. Rear Leg Assembly C. T50 Rail/T110 Rail D. Rail Clamp for T-Rail

E. MT-Rail Support

Overview of PVezRack® ComT (North Facing)

- System Overview -

Installation Guide / ComT 2.0: 5°, 10° and 15°

Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021

Side View Drawing

5° ComT legs, 1002 mm wide, 35 mm high panel

Note: 5° tilt angle is designed based on 1002 mm wide panel

- System Overview -

10° ComT legs, 1002 mm wide, 35 mm high panel

Note: 10° tilt angle is designed based on 1002 mm wide panel

5° ComT legs, 1200 mm wide, 35 mm high panel

Note: 1200 mm wide panel is max panel width considering earthing pins on top of

legs plates can provide effective panels earthing

Installation Guide / ComT 2.0: 5°, 10° and 15°

9Code-Compliant Planning and Installation Guide V2.0 - Complying with AS/NZS 1170.2:2021 - System Overview -

15° ComT legs, 1002 mm wide, 35 mm high panel

Note: 15° tilt angle is designed based on 1002 mm wide panel

10° ComT legs, 1200 mm wide, 35 mm high panel

Note: 1200 mm wide panel is max panel width considering earthing pins on top of

legs plates can provide effective panels earthing

15° ComT legs, 1200 mm wide, 35 mm high panel

Note: 1200 mm wide panel is max panel width considering earthing pins on top of legs plates can provide effective

panels earthing

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