UNIRAC SolarMount 224 Installation Manual

Thank you for purchasing a UniRac product. Please review this
manual completely before proceeding.
Ballast Frame installations are all custom confi gured. Use this
manual in conjuction with your Ballast Frame Specifi cation
Sheet. That document will list specifi c components of your
system.
The illustrations in this manual may vary from your custom
installation in the following ways:
• Ballast bays. Standard ballast frames have three to eight
bays for placing ballast.
• Tilt angle. Drawings illustrate tilt legs. Some installations
may use L-feet only to achieve a minimal tilt.
• Rail type. Drawings illustrate standard rails. Light or HD
(heavy duty) rails may be specifi ed in your installation.
© 2006 by UniRac, Inc. All rights reserved.
UniRac welcomes input concerning the accuracy and user-friendliness of this publication. Please write to publications@unirac.com.
T H E S TAN DA R D I N P V M O U N T I NG S T RU C T UR E S
Ballast Frame
Installation Manual 224
• Complying with all applicable local or national building
• Ensuring that UniRac and other products are appropriate
• Ensuring that the roof, its rafters, connections, and
• Using only UniRac parts and installer-supplied parts
• Ensuring that lag bolts, if applicable, have adequate
• Maintaining the waterproof integrity of the roof,
• Ensuring safe installation of all electrical aspects of the PV
The installer is solely responsible for:
codes, including any that may supercede this manual;
for the particular installation and the installation
environment;
other structural support members can support the array
under building live load conditions (this total assembly is
hereafter referred to as the roof rafter assembly);
as specifi ed by UniRac (substitution of parts, including
ballast, may void the warranty);
pullout strength and shear capacities as installed;
including selection of appropriate fl ashing; and
array.
December 2006