PowerWave MRac L Feet User manual

MRAC STEEL ROOF
INSTALLATION GUIDE
L FEET HOOK
ENERGY

ENERGY
INSTALLATION MANUAL
Product Introduction | 01
Product Introduction ------------------------------------- 02
Installation Tools ------------------------------------------ 03
Components ----------------------------------------------- 03
Solution Overview ---------------------------------------- 04
Installation Guide ----------------------------------------- 05
Warranty ---------------------------------------------------- 12
Contents

ENERGY
INSTALLATION MANUAL
Product Introduction | 02
MRac L Feet system is suitable for installation in a variety of flat
roofs, including small residential PV systems, large commercial
and power station-level PV systems. The biggest advantage of the
system is that its angle is 90°, and the support structure is easy
to install. It also greatly saves the time and labor required for the
system installation. Please consult this installation guide carefully
before installing the L Feet system.
This manual provides the following:
1 Actual installation plan.
2 Product installation instructions.
Please use the L-Feet system according to this installation
instruction manual, which complies with building codes such as
AS/NZS1170. Please pay attention to safety when installing this
product, and please follow the relevant local safety regulations.
Please ensure that you are using the newest version of the
installation guide through contacting Powerwave Energy by email.
• Complyingwithallapplicablelocalornationalbuildingcodes
includinganythatmaysupersedethismanual
• EnsuringthatMRacandotherproductsareappropriateforthe
particularinstallationandtheinstallationenvironment
• Ensurethattheroofpurlinmainbeamandothersupporting
structurescanfirmlysupportthePVmodules(Theseareall
consideredasroofmountsinstallation)
• UsingonlyMRacpartsandinstallers-suppliedpartedas
specifiedbyMRac(Substitutionofpartsmayvoidthewarranty
andinvalidatetheletterofcertificationonpage)
• Ensurethattheself-tappingscrewsandtheLFeethave
enoughstrengthandshearduringconstruction
• Keeptheroofwaterproofsystemintact
• HowtorecycleAccordingtothelocalrelativestatute
• HowtodisassembleCountermovewithinstallation
• Ensurethattherearenolessthantwoprofessionalworkersin
panelinstallation
• Ensuretheinstallationofrelativeelectricalequipmentis
performancebyprofessionalelectrician
1. Product Introduction
The installer is solely responsible for:

ENERGY
INSTALLATION MANUAL
Installation Tools - Components | 03
• mmInnerhexagonspanner
• -mmadjustablewrench
• electricaltools
• mtapemeasure
• Infraredcalibrator
2. Installation Tools
3. Components
MA End Clamp Kit L Feet Waterproof Plate
MA Rail Splice for MA Rail MA Inter Clamp Kit

ENERGY
INSTALLATION MANUAL
Solution Overview | 04
 MARail
 MAEndClampKit
 LFeet
 SpliceforMARail
 MAInterClampKit
 WaterproofPlate
4. Solution Overview
4.1 Components
1
25
3
4
6

ENERGY
INSTALLATION MANUAL
Installation Guide | 05
5.1.1 The picture on the right shows
how to install the MA Clamp. You
must ensure that the thread of the
hexagon socket bolt does not pass
through the bottom of the MA
Clamp.
5. Installation Guide 5.1 Installation of Clamp Kit
At this point, the bolt can still slide
freely in the rail, slide the bolt
to the position where the Inter
Clamp, End Clamp or hook is finally
connected, screw the bolt and lock.
(Recommended torque: 8 N·m).
Position the MA Clamp in the
groove of the rail and gently
screw the bolt 2 to 3 turns.

ENERGY
INSTALLATION MANUAL
Installation Guide | 06
5.2.2 According to the installation plan, The L Feet is mounted
on metal roof with a self-tapping screw as the picture shows.
5. Installation Guide
5.2 Installation
of L Feet
5.2.1 According to the plan
size of the drawing, install
the L Feet on the metal roof
and pre-lock it as shown in
the figure.
5.3.1 According to the plan, if the rail is not long enough, please
connect the MA Rail with the Splice for MA Rail as shown on the
right, and lock it with one M8x20 hexagon bolt on each side.
Waterproof
plate
5. Installation Guide 5.3 Installation of MA Rail

ENERGY
INSTALLATION MANUAL
5.3.2 The MA rail connector (splice kit) also has a conductive
function. As shown in the pictures, after the serrated washer is
locked, the anodized film of the corrugated surface of rail splice
can be pierced, so that the two bolts are conducted through the
corrugated sheet.
Installation Guide | 09
5. Installation Guide 5.3 Installation of MA Rail
Then the end of the
bolt (28mm length) can
pierce the anodized film
of the inner wall of the
MA rail. In this way, the
two pieces of rails are
conducted.

ENERGY
INSTALLATION MANUAL
5.3.3 Place the MA rail on the
side of the L Feet support and
fasten them with the M8 bolt
assembly. The rail connectors are
on the same side, as shown on
the right. (Recommended
torque: 8 N·m)
The rail connectors
are on the same side
5.3.4 Install the planned location according to the engineering
plan and install all the rails in step four to ensure that the bolts
are locked.
Installation Guide | 07
5. Installation Guide 5.3 Installation
of MA Rail

ENERGY
INSTALLATION MANUAL
5.4.1 According to the
plan, put the panel flat
on the rail, slide the End
Clamp Kit, tightly attach
the solar panel assembly,
and then tightly lock
the bolt (recommended
torque: 8N·m)
5.4.2 Put the pre-installed
Inter Clamp Kit from the
top and bottom into the rails,
and firmly attach the solar
panel assembly, then gently
tighten (about 2-3 turns), as
shown on the right.
Installation Guide | 08
5. Installation Guide 5.4 Install the panels