
© 2013/EN Zep Solar, Inc. reserves the right to make specifications changes without any prior notice. All rights reserved.
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Document #800-0329-001 Rev F
File Generated July 3, 2013
Page 34
ZS SPAN INSTALLATION MANUAL FOR RAIL-BASED APPLICATIONS - U.S.
Step 1:
Mark Out Array Layout on Roof
Mark Attachment Locations
1a
Work across to select rafters based
on allowable East-West span. Mark
corresponding tiles above.
Work up selected
rafters and mark
tiles according to
allowable North-
South span.
Tile Hook
Module 1/2 inch
Module width +
1/2 inch
Spanner Bar
PV Module
Array Layout Example: North-South, Landscape
Maximum E-W span
Maximum
N-S span
Cam Foot
Locate the outside edges of the
array. Mark array perimeter
according to module dimension
+ 1/2 inch.
Mark intervals for Array
Skirt sections (custom
matched for each module
type and orientation) to
identify Cam Foot/Inter-
lock conflicts and lay out
module gaps. Array can
shift over attachment
points if needed.
Do not
exceed cantilever
allowance.
Working up the rafter, choose and
mark the first tile to be removed.
It is best not to select a tile at
the very edge of the array, and to
fully utilize allowable Spanner
Bar cantilever.
ii
iii
iv
v
vi
Key
To mark roof attachment points,
start by finding the first available
rafter within the mounting area.
i