Roof Tech RT-APEX User manual

RT-APEX
Quick Installation Guide
------2021MAY ver.5----
ROOF TECH INC.
RT-APEX INSTALLATION GUIDE
APEX Installation Diagram ----------------------- 1
APEX Base installation ----------------------------- 2
APEX Clamp location ------------------------------- 3
APEX Splice location -------------------------------- 4
APEX First row installation ------------------------ 5
APEX Skirt &First Row Installation -------------- 6
APEX Second &Middle Row Installation ------ 8
APEX End Row Installation ------------------------ 9
APEX Floating End Splice (Ridge row)---------------------10
APEX Floating Splice (Eaves row)---------------------------11

APEX installation diagram 1
Base PV Panel
Base PV Panel
Rafter installation
Deck installation

APEX Base installation
R
"R" logo on top left of the base should
always be on the ridge side when installing.
2 Screws
for Rafter
installation
5 Screws
for Deck
installation
2
Base PV Panel

APEX Clamp location
End Clamp
Middle Clamp
Note; Installation on Ridge side end
End clamp must be un-tighten and
rotated 180 degrees to fix panels on
the ridge side
＊Bottom clamp stays in the same
position. Only the end clamp needs to
be turned.
3
Base PV Panel

APEX Splice location
End Splice
Middle Splice
Note; End splice must be un-
tighten and rotated 180 degrees to fix
panels on the ridge side
＊bottom clamp stays in the same
position. Only the end splice needs to
be turned.
4
Base

APEX First row installation
Use a string line to make sure the bottom
row is straight and then tighten the bottom
side bolts to secure in place
5
*Place End clamp and
End Splice to the base
for alignment.
First row alignment
Please tighten slide bolt to the base before
installing panel or when making alignment for
straight line. Torque M8x9 bolt with 106 in-lbs.
(12N.m).
IMPORTANT!!
Option ; Use tapping screw from the other side
on pillar for Snow area and or more span to
install brackets based on the PE report.
A 6.0 mm stainless steel set screw SHCS attaches the Base to the Pillar with an installation torque of 9.0 ft-lb. A
12.0 mm stainless steel set screw stud attaches the Pillar to the U-D Bracket, and is field adjustable up and
down. A 8.0 mm stainless steel SHCS and conical stainless steel star washer attaches either the End or Mid
Clamp to the U-D Bracket with the higher of either a minimum installation torque of 12.0 ft-lb or the minimum
installation torque indicated in the Roof Tech Installation manual for the specific PV panel being installed.
Tech note

APEX Skirt & First Row Installation
IMPORTANT!! Skirt bonding clip must be
installed between each
skirt to make a bonding
connection.
The space between each
skirt must be 1/8 inch
(3mm).
At End clamp location Slide in skirt to End clamp Place skirt all the way in
Push down End clamp Place PV panel into End clamp
Fix End clamp to place skirt and
panel at same time. Tighten the
end clamp to 142in-lbs (16N.m)
or 159.31in-lbs (18N.m)
*Check Bonding clip is pre-installed
・Universal End clamp
・Up to 1 3/8” inch height adjustment
・Integrated cable holder tray
RT-APEX End Clamp
Skirt installation steps
6
IMPORTANT!!
*1/8 inch (3mm)

APEX Skirt & First Row Installation
IMPORTANT!!
End Splice shall be installed between 2 Skirts, and
fixing location shall be A or B location to fix skirt tight.
・Universal End clamp
・Up to 1 3/8” height adjustment
・Integrated cable holder tray
・Bonding
RT-APEX End Splice
Skirt & Splice installation note
7
A location B location
End Splice shall be fixed with PV panels at the same
time,.

Slide middle clamp toward to
PV Panel frame. And tighten
side M8x9mm bolt to fix base
and clamp.
Middle clamp installation
First row installation
APEX Second & Middle Row Installation
・Universal Middle clamp
・Up to 1 3/8” height adjustment
・Integrated cable holder tray
RT-APEX Middle Clamp
IMPORTANT!!
Height adjustment shall
be done after panels are
fixed or lower rows are
fixed.
8
Torque middle clamp.
Tighten the end clamp to
142in-lbs (16N.m) or
159.31in-lbs (18N.m)
Place the PV panel in to the
middle clamp. NO need to
un-tighten clamps after PV
Panel is placed.
IMPORTANT!!

APEX Ridge Side Row Installation 9
The end clamp must be un-
tighten and rotated 180
degrees to fix the panels.
Bottom bracket and pillar
shall be installed same as
other clamps.
Option (see illustration) : By
rotating the base 180°(R
on bottom right) as shown
on Pg. 25 of Manual, there is
no need to rotate the top
clamp.
IMPORTANT!!
Slide End clamp toward to
PV Panel frame. And tighten
Side bolt to fix base and clamp.
Tighten End clamp and PV panel.
Tighten the end clamp to 142in-
lbs (16N.m) or 159.31in-lbs
(18N.m)
End clamp installation
Height adjustment
shall be done after
panels are fixed.
Note; End Splice clamp shall be
installed same as regular End
clamp. Change the side of the
clamp and install as instructed
above. (seen eaves side row)
R

APEX Floating End Splice installation
Note; The top splice clamp must be
un-tightened and rotated 180 degrees
to install the ridge floating splice
panels on the ridge side.
＊this rotation only applies when
using the end splice clamp on the
ridge (top row clamps)
* On the eaves side, always use a base
with the end splice clamp.
10
Base
IMPORTANT!! : Option of base
rotation not applied on ridge
side with floating splices.

A Floating splice may be used once a skirt is installed between
two adjacent PV modules. Verify the PV module Installation
Manual specifications for the “floating Splice”. The maximum
span between bases must be verified with the PE Stamped
Letters and the max. grd. snow allowed for the skirt is 40 PSF.
11