STIEBEL ELTRON SOL 25 PLUS - Manual (Page 17)

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Step 01: Major components for assembly of
the Stiebel Eltron 45° mounting kit (single
panel vertical version displayed).
Step 02: Align the mounting system
components upside down as shown. The
longer cutout surface (approx. 1”) should
be facing toward the center of the rectangle
and be parallel to the ground on both the
top and bottom. This is the surface on which
the back of the collector will rest.
5.1.4 45° Mounting On A Pitched Roof
Procedures described above for mounting of collectors upon a flat
roof apply to mounting on a pitched (sloped) roof, except for the
following:
1. Use of weights to secure collectors and mounting hardware is
not advisable. Collector mounting frames should be fastened to all
pitched roofs in an appropriate manner.
2. The 45° mounting kits add 45° to an existing roof pitch, as shown
in the table below. Roofs with pitches above 9-in-12 generally
should not use this mounting kit, as the resulting collector tilt angle
will be too steep for almost any location.
Roof Pitch (rise-to-run) Roof Pitch Angle Resulting Collector Tilt Angle with 45° Mount
1-in-12 4.8° 49.8°
2-in-12 9.5° 54.5°
3-in-12 14.0° 59.0°
4-in-12 18.4° 63.4°
5-in-12 22.6° 67.6°
6-in-12 26.6° 71.6°
7-in-12 30.3° 75.3°
8-in-12 33.7° 78.7°
9-in-12 36.9° not recommended
10-in-12 39.8° not recommended
11-in-12 42.5° not recommended
12-in-12 45.0° not recommended
5.1.5 Detailed Assembly Instructions for 45° Mounting kit