Basic Mounting Procedures
The solar collector(s) should be mounted in the vertical orientation on the roof (Figure 2). Freeze protection is
strongly recommended; therefore, the collector should always be mounted in a vertical orientation. It is still
important to slope the collector just slightly to allow for complete drainage during off mode. The required slope
is at least 1/4" vertical rise per foot of horizontal run.
Figure 2
To ensure proper water drainage from the glazing, the collector must maintain a minimum angle from horizontal
of at least 10°. Never mount the collector directly or parallel to a flat roof surface. Use the universal tilt mount
kit and 1" aluminum square tube to rack the collector to the proper angle.
The collector should be mounted as close to the storage tank as possible to minimize heat loss in the piping
runs. If the home has limited attic access, mounting the collectors nearer the roof peak provides for additional
attic workspace. The solar collector should be mounted on the roof in accordance with these general principles.
The most important structural consideration is to securely anchor the solar collector and the mounting
hardware to the structural members of the roof with stainless steel lag bolts, "J" bolts or threaded rod as
depicted in Figures 3, 4, and 5.
Figure 3 - Lag Bolt
Figure 4 - "J" Bolt
