Alpha Series Installation

Table Of Contents

REC Installation Manual - REC Alpha Panels - UL 6
Rev G  . Ref: PMIM
CAUTION
The center point of each clamp and the minimum grip length must be fully located in the same clamping zones to be rated to that load (fig. ).
If the panel is secured in zones with different load values, it is rated to the lowest load value only.
Fig. : Clamping of REC Alpha Pure Series panels using short rails
375 mm [14.8 in]
700 mm [27.5 in]
505 mm [15.9 in]
300 mm [11.8 in]
200 mm [7.9 in]
0
255 mm [10.0 in]
0
300 mm [11.8 in]
200 mm [7.9 in]
0
300 mm [11.8 in]
200 mm [7.9 in]
0
300 mm [11.8 in]
200 mm [7.9 in]
0
610 mm [24.0 in]
375 mm [14.8 in]
700 mm [27.5 in]
505 mm [15.9 in]
0
255 mm [10.0 in]
610 mm [24.0 in]
MOUNTING REC ALPHA PURE SERIES PANELS WITH SHORT RAILS
A short rail (or other short support structure) has a minimum length of  mm and does not span the complete underside of a panel.
Legend
Clearance Gap
Clamping zone
 mm  mm >mm <mm
Test Load
(Design Load)
Test Load
(Design Load)
Test Load
(Design Load)
Test Load
(Design Load)
Rail length under
module
 - . in
( -  mm)
Min.
2
5 m
m
Max
.
100 mm
  . in
   mm)
X
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa *
(+ Pa / Pa)
X
.  .in
   mm)
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa
(+Pa /  Pa)
+ Pa /  Pa
(+ Pa / Pa)
X
.  . in
   mm)
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa
(+ Pa /  Pa)
+ Pa /  Pa
(+Pa / Pa)
X
.  . in
   mm)
+Pa /  Pa *
(+Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
+ Pa / Pa
(+Pa / Pa)
X
.  . in
   mm)
+ Pa /  Pa *
(+ Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
X
  .in
   mm)
X
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa *
(+ Pa / Pa)
X
.  . in
   mm)
X
+ Pa /  Pa *
(+ Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
X
Rail length under
module
. - . in
( -  mm)
Min.
1
00
mm
Max
.
200 mm
  . in
   mm)
X
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa *
(+ Pa / Pa)
X
.  .in
   mm)
+Pa /  Pa *
(+Pa / Pa)
+ Pa / Pa
(+Pa / Pa)
+ Pa / Pa
(+Pa / Pa)
X
.  . in
   mm)
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa
(+ Pa /  Pa)
+ Pa /  Pa
(+ Pa /  Pa)
X
.  . in
   mm)
+Pa /  Pa *
(+Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
+ Pa / Pa
(+Pa / Pa)
X
.  . in
   mm)
+ Pa /  Pa *
(+ Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
X
  .in
   mm)
X
+Pa /  Pa *
(+Pa / Pa)
+ Pa /  Pa *
(+ Pa / Pa)
X
.  . in
   mm)
X
+ Pa /  Pa *
(+ Pa / Pa)
+ Pa / Pa
(+ Pa / Pa)
X
Once a module is secured in each of the  zones (fig. ), additional clamps, i.e., ≥, may be freely located on panel frame without affecting
the warranty. Loads marked with a * were not certified as part of IEC / testing; these have been evaluated by REC’s internal
testing process.
Long Side Mounting Long Side Mounting
Short Side
Mounting
Short Side
Mounting