Doc Number 801-00015, Version 1.1, Copyright © 2010 Zep Solar, Inc.
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ZEP SYSTEM II INSTALLATION MANUAL
5.12 > Final Array Wiring and Wire Management
1. Complete all Module string connections and properly manage all the conductors using Zep Wire
Clips (Section 5.6).
2. Run all homerun cables back to your roof-mounted junction box including the equipment ground-
ing conductor, ensuring the system is properly grounded to national and local code standards.
5.13 > Installing an Interlock at a Thermal Break
Thermal breaks must be included at every sixth vertical (N-S) module seam as in Figure 4.2C. In
order to accomplish a thermal break, Interlocks at the thermal break seam must be installed with
only one of the Interlock Zeps rotated to position 3, leaving the other at position 1. If an interlock
at the thermal break is within 2" of a Leveling Foot, tighten the Interlock Zep that is closest to the
Leveling Foot in order to avoid conflict with the Leveling Foot in a fully expanded condition. Keep the
selection of which Interlock Zep is tightened consistent throughout the thermal break. For instance,
if the Zep on the east side of the Interlock is tightened on the thermal break’s first Interlock, secure
all east-side Zeps throughout that thermal break while leaving all west-side Zeps along the thermal
break in their original position (position #1). This will allow the Interlock to slide with thermal
expansion at the location of the un-rotated Interlock Zep. If the array requires two (N-S) thermal
breaks, set the vertical seam module spacing at the thermal breaks to ¾" (normal spacing is ½"). If
the array requires more than two N-S thermal breaks, contact Zep Solar for engineering assistance.
If a Module array is greater than 12 modules high (per column), a gap must be left between the 12th
row and the additional rows above.
