STIEBEL ELTRON SOL 25 PLUS - Manual (Page 25)

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5.5.1 Horizontal 30° Mounting on a Flat Roof
(Please review section 5.4.0)
1. Choose attachment site, allowing for subsequent pipe penetration.
2. Assemble 2 triangular trusses using the 36” rails (M-204), the 51”
rails (M-202), the 43” rails (M-205), the brackets (M-101), and the 55
mm bolts as shown in Figure 5.5.1. Note that the 36” rail is cut to 25
11/16”.
3. Bolt the trusses to the cross braces connecting the bolts as shown
in Figure 5.3.2. The resulting assembly should look similar to Figure
5.2.3. The collector frames may then be bolted to the holes in the
51” rails using the 20 mm bolts. The triangular truss assemblies
with cross braces should be attached to the center of the R2 collector
frames (Figure 5.2.5) i.e. there should be an equal amount of the
profile rail to the right and left hand sides of each of the triangular
trusses. If multiple flat-roof mounting frames are being set up next
to one another, use frame connector kits (SFC001, shown in Figure
5.2.6) to join them, as shown in Figures 5.1.2, 5.2.7 and 5.2.8. Note
that there is an additional cross brace between the collectors.
4. Fasten the base of the flat-roof mounting racks to the solar roof
mount flashing kit (560105SQ). Remember to take the static and
dynamic (e.g., wind) loading into account for the roof structure.
Nominal distance is 33 15/64” between the front and back mounting
holes and 48” between the bases.
5.5.2 Horizontal 30° Mounting on a Wall
Mounting the horizontal 30° system on a wall is not recommended.
5.5.3 Horizontal 30° Mounting On A Pitched Roof
Procedures described above for mounting of collectors on a flat
roof apply to mounting on a pitched (sloped) roof, except for the
following:
1. The 30° mounting kits add 30° to an existing roof pitch, as shown
in table 5.2.9.
5.5.4 Horizontal 60° Mounting on a Flat Roof
(Please review section 5.4.0)
1. Choose attachment site, allowing for subsequent pipe penetration.
2. Assemble 2 triangular trusses using the 36” rails (M-204), the 51”
rails (M-202), the 43” rails (M-205), the brackets (M-101), and the
55 mm bolts similar to the manner shown in Figure 5.4.1 with the
following change: the 51” rails should be reversed such that the
36” rail connects to the end with the holes closest, and the 43” rail
connects to the end with the holes further away. If desired, the 36”
rail can be cut to 25 11/16”.
3. Bolt the trusses to the cross braces connecting the bolts as shown
in Figure 5.3.2. The resulting assembly should look similar to Figure
5.2.3. The collector frames may then be bolted to the holes in the
51” rails using the 20 mm bolts. The triangular truss assemblies
with cross braces should be attached to the center of the R2 collector
frames (Figure 5.2.5) i.e. there should be an equal amount of the
profile rail to the right and left hand sides of each of the triangular
trusses. If multiple flat-roof mounting frames are being set up next
to one another, use frame connector kits (SFC001, shown in Figure
5.2.6) to join them, as shown in Figures 5.1.2, 5.2.7 and 5.2.8. Note
that there is an additional cross brace between the collectors.
4. Fasten the base of the flat-roof mounting racks to the solar roof
mount flashing kit (560105SQ). Remember to take the static and
dynamic (e.g., wind) loading into account for the roof structure.
Nominal distance is 16 11/64” between the front and back mounting
holes and 48” between the bases.
5.5.5 Horizontal 60° Mounting on a Wall
Procedures described above for mounting of collectors on a flat roof
apply to wall mounting, except for the following:
1. Cross braces should be attached to the 36” (cut down to 25 11/16”)
rail at the base of the trusses rather than the ones at the rear (as
pictured in figure 5.4.5).
2. Fasten the rear 43” rail of the trusses to the wall using the mount-
ing holes in a suitible manner.
3. Low elevation mounting configurations may be prone to damage
from falling ice or nearby vehicles or other hazards. Appropriate
precautions should be taken to mitigate these hazards.
5.5.6 Horizontal 60° Mounting On A Pitched Roof
Procedures described above for mounting of collectors on a flat
roof apply to mounting on a pitched (sloped) roof, except for the
following:
1. The 60° mounting kits add 60° to an existing roof pitch, as shown
in table 5.2.9. Roofs with pitches above 4-in-12 generally should not
use this mounting kit, as the resulting collector tilt angle will be too
steep for almost any location.
5.5.7 Horizontal 45° Mounting on a Flat Roof
(Please review section 5.4.0)
1. Choose attachment site, allowing for subsequent pipe penetration.
2. Assemble 2 triangular trusses using the 36” rails (M-204), the 51”
rails (M-202), the 43” rails (M-205), the brackets (M-101), and the 55
mm bolts as shown in Figure 5.5.2. If desired, the 43” rails can be
cut to 36”.
3. Bolt the trusses to the cross braces connecting the bolts as shown
in Figure 5.3.2. The resulting assembly should look similar to Figure
5.2.3. The collector frames may then be bolted to the holes in the
51” rails using the 20 mm bolts. The collector frames, as well as the
number of trusses used, depends on the number of collectors being
installed (see Table 5.1). If multiple mounting frames are being set
up next to one another, use frame connector kits (SFC001, shown in
Figure 5.2.6) to join them, as shown in Figures 5.1.2, 5.2.7 and 5.2.8.
Note that there is an additional cross brace between the collectors.