Panasonic HIT VBHN330SA16, Installation Manual

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4

The clamps should be made of aluminum
alloy
or other material that will
reasonably protect against a risk of
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 Clamps
(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; Nominal
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 Clamps
(Grounding mid clamp and End
clamp)

IronRidge Part No. RS-GD-MCL-225,
RS-GD-MCL-225B, 29-7000-224, 29-
7000-224B

Width: Grounding mid clamp;
1.16”(29.5 mm), End clamp; 1.5”(38
mm)
 Thickness: Grounding mid clamp;
Nominal thickness 0.11”(2.85mm),
End clamp; Nominal thickness
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 to IronRidge
manual, for installation method.

Panasonic does not provide a warranty
for
clamps. The module warranty
Panasonic provides shall be
voided if
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:
1)
Terrestrial applications only-no outer
space or Special Conditions (see below).
2) The operating temperature must be
within –40°C (-40 °F) to 85°C (185 °F).
3) The wind pressure load of the installation
site should be less than 2,400N/m
2
(50PSF)
Installation (reference)
Figure 1-1. Installation
<Unirac clamps>
Mid clamp
End clamp
Grounding Mid clamp End clamp
<Ironridge clamps>
Solar Module
Mid Clamp
(2 places)
End Clamp
(2 places)
Mounting
Structure Rail
Mid Clamp Solar Module
End Clamp
Mounting Structure
Rail
<Cross section of clamps>
Overlap range ≧ 0.24” (6mm)
Mid clamp
End clamp