Operating Conditions :4 - Panasonic HIT VBHN330SA16 Installation Manual


The clamps should be made of aluminum
alloy or other material
reasonably protect against
electrolytic corrosion.

Figure 1-2 shows using a bolt and nut for
mounting.

Recommendation of bolt torque: 10 ft-lbs.

The module was tested using Unirac or
IronRidge clamps with the specifications
see figure 1-1 and below;
1) Unirac clamps:

Provider: Unirac, Inc.

Product Line: SolarMount

Clamps type: Top Mounting
(Mid clamp and End clamp)
 Unirac Part No. 302022C, 302022D,
302027C, 302027D
 Width: Mid clamp; 1.5"(38 mm), End
clamp; 1.9"(48 mm)
 Thickness: Mid clamp;
thickness 0.075"(1.9mm), End clamp;
Nominal thickness 0.125"(3.17mm)

Torque: 13.6 N.m(10 ft-lbs).

Material: Mid clamp; 300 Stainless
steel, End clamp; 6000 Aluminum
alloys
 Note: Please refer to Unirac manual,
for installation method.
2) IronRidge clamps:
 Provider: IronRidge Inc.

Product Line: RoofMount

Clamps type: Top Mounting
(Grounding mid clamp
clamp)

IronRidge Part No. RS-GD-MCL-225,
RS-GD-MCL-225B, 29-7000-224,
7000-224B
 Width: Grounding
1.16"(29.5 mm), End clamp; 1.5"(38
mm)

Thickness: Grounding
Nominal thickness
End clamp; Nominal
0.125"(3.17mm)

Torque: 9.5 N.m (85 in-lbs).

Material: Grounding mid clamp; 304
Stainless steel, End clamp; 5000 &
6000 Aluminum alloys
 Note: Please refer
manual, for installation method.

Panasonic does not provide a warranty
for clamps. The module
Panasonic provides shall be
clamps selected by the customer are of an
improper material or size
Operating Conditions
Panasonic requires that modules are operated
within the following Operating Conditions:
Terrestrial applications
1)
space or Special Conditions (see below).
2) The operating temperature
within –40°C (-40 °F) to 85°C (185 °F).
3) The wind pressure load of the installation
site should be less
(50PSF)
that will
a risk of
Clamps
Nominal
Clamps
and End
29-
mid clamp;
mid clamp;
0.11"(2.85mm),
thickness
to IronRidge
warranty
voided if
only-no outer
must be
2
than 2,400N/m
Installation (reference)
Mid Clamp
(2 places)
End Clamp
(2 places)
Mounting
Structure Rail
End Clamp
Mounting
Rail
<Cross section of clamps>
Overlap range ≧ 0.24" (6mm)
Mid clamp
<Unirac clamps>
Mid clamp
<Ironridge clamps>
Grounding Mid clamp
Figure 1-1. Installation
4
Solar Module
Mid Clamp Solar Module
Structure
End clamp
End clamp
End clamp