11
Pitch Requirements
Correct operation requires a 15°- 45° pitch (slope). This can be done by using the roof slope itself or a
frame
CAUTION: DO NOT
install on a roof with a pitch
beyond 45°.
!
Use pitch gauge and compass
and complete the following
steps. Record the results on
the checklist.
• Record pitch and compass
bearing of proposed
installation site.
• Using table shown below,
select number of collectors
and correct type of
installation.
NOTICE: A roof pitch
beyond 30° requires
additional bracing.
NOTICE: A crane may be
necessary for installation.
Roof Installations
Compass
Bearing
Pitch
Mount
No. of Collectors
135° - 225°
14° - 45°
None
2
135° - 225°
0° - 15°
Frame
2
226° - 270°*
15° - 45°
None
2
5° - 134°
270° - 315°
15° - 45°
Side Pitch
2
0° - 44°
316° - 360°
15° - 35°
Reverse Pitch
2
* If installed in this orientation,solar heater will not provide maximum
solar heating capacity.
Frame Installations
