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Yingli Solar PV Modules, Installation and User Manual 

page 5

Landscape Orientation

Portrait Orientation

this information).

Mounting structures and other mechanical parts must be designed and approved 
to withstand the design wind and snow loads applicable for a particular site. 
Yingli Solar PV modules must not be subjected to forces from the substructure, 
including forces caused by thermal expansion. 

The mounting method must not result in the direct contact of dissimilar 
metals with the aluminum frame of the PV module that will result in galvanic 
corrosion. An addendum to UL Standard 1703 “Flat Plate Photovoltaic Modules 
and Panels” recommends metal combinations not exceed an electrochemical 
potential difference of 0.5 Volts.

Yingli Solar PV modules can be mounted in landscape or portrait orientation, as 
illustrated in Figure 10, provided that the mounting method follows one of the 
acceptable methods listed below. 

Figure 10: Landscape and portrait mounting

In order to maintain the fire class rating, the distance between the PV module 
front surface (glass) and the roof surface shall be at least 10 cm. This spacing 
also allows air flow to cool the PV module. Install PV modules with a minimum 
spacing of 1 cm between neighboring frames to allow for thermal expansion.

Mounting Methods

The following mounting methods are available:

Bolts or Clamps

Refer to the Module Supplement distributed with this manual to determine how 
many connection points are required for a specific module series. The locations 
of mounting holes and clamp tolerances are illustrated in the drawings located 
in the Module Supplement. Do not modify the existing mounting holes or drill 
new holes. Do not apply excessive pressure on the frame such that the frame 
deforms.

  

Bolts:

 Modules must be mounted using the mounting holes located on the rear 

side of the long frame parts using M8 stainless steel bolts, nuts, and washers. 
The torque of screw tightening should between 14N∙m to 20N∙m.

 
 
 
 
 
 
 
 
 
 

Figure 11: Detail of a bolt mounting attachment

Figure 12-1 : Mounting rails must run perpendicularly to the long frame

(60 or 72 cell modules)

Figure 12-2 : Mounting rails must run perpendicularly to the long frame

(120 or 144cell modules)

• 

 Top-down  Clamps:

 Third-party clamps that have been designed for PV 

mounting structures are an approved mounting attachment method for 
Yingli Solar PV modules. Modules must be fastened using clamps applied 
to the top side of the long frame parts. A clamp holds two modules except 
for the clamps at the beginning and end of a module row. The centerline of 
the clamps must be in line with the mounting hole positions plus or minus 
a distance of 50mm. The module clamps should not contact with the front 
glass and deform the frame. and avoiding shadowing effects from the module 
clamps. The module frame is not to be modified under any circumstances. 
The applied torque value should be big enough to fix the modules 
steadily,The torque of screw tightening should between 16N∙m to 24N∙m.

   

 
 
 
 
 
 
 
 
 

Figure 13: Detail of a top-down clamp mounting attachment

M A I N T E N A N C E

General

Yingli Solar recommends that PV systems be periodically inspected by the 
installer, or other qualified person. 

The purpose of the PV system inspection is to ensure that all system components 
are functioning properly. At a minimum, this inspection should confirm the 
following:

–  All cables and connector attachments are undamaged and properly secured

– No sharp objects are in contact with the PV module surfaces

–  PV modules are not shaded by unwanted obstacles and/or foreign material

–  Mounting and grounding components are tightly secured with no corrosion

Defects should be addressed immediately. 

 

Cleaning

Over time, dirt and dust can accumulate on the glass surface of the module, 
reducing its power output. Yingli Solar recommends periodic cleaning of PV 
modules to ensure maximum power output, especially in regions with low 

Screw

Backing Nut

Nut Washer

PV Laminate

Mounting Rail

Aluminum Frame

Summary of Contents for 1500V 1/2

Page 1: ...n laboratory This Installation and User Manual is available in different languages In cases of discrepancy between versions the English language version shall control Failure to comply with the requir...

Page 2: ...g so may degrade performance or cause irreparable damage and will void any applicable warranties If it is necessary to store PV modules prior to installation the PV modules should remain inside the pa...

Page 3: ...that are approved for use at the maximum short circuit current of the PV module Yingli Solar recommends installers use only sunlight resistant cables qualified for direct current DC wiring in PV syst...

Page 4: ...1703 Flat Plate Photovoltaic Modules and Panels recommends metal combinations not exceed an electrochemical potential difference of 0 5 Volts The frame rails have pre drilled holes marked with a grou...

Page 5: ...s steel bolts nuts and washers The torque of screw tightening should between 14N m to 20N m Figure 11 Detail of a bolt mounting attachment Figure 12 1 Mounting rails must run perpendicularly to the lo...

Page 6: ...ngli Solar PV modules are designed to withstand high snow loads However if removing snow is desired to enhance production use a brush to gently remove snow Do not try to remove frozen snow or ice from...

Page 7: ...YL295P 29b YL345P 35b YL300D 30b 1500V YL360D 36b 1500V YL300P 29b 1500V YL330P 35b 1500V YL300P 29b YL350P 35b YL305D 30b 1500V YL365D 36b 1500V YL305P 29b 1500V YL335P 35b 1500V YL305P 29b YL355P 3...

Page 8: ...1500V YGE 144 Cell half Cell YGE 144 Cell half Cell 1500V YLM 120 Cell half Cell YLM 120 Cell half Cell 1500V YGE 72 Cell Series 2 HSF Smart YGE 120 Cell half Cell YGE 120 Cell half Cell 1500V YLM 72...

Page 9: ...72 Cell Series 2 HSF Smart YLM 144 Cell half Cell also valid for YLM 72 Cell HSF Smart also valid for YGE 144 Cell Half cell YGE 144 cell half cell 1500V YGE 72 Cell Series 2 YLM 72 Cell REAR AND SIDE...

Page 10: ...tion and User Manual page 10 YGE 60 Cell Series 2 Frame Cross Section REAR AND SIDE VIEW DIMENSIONS OF MODULE SERIES WITH 35MM FRAME UNITS mm Legend Legend Grounding holes Mounting holes Drainage hole...

Page 11: ...art YLM 120 Cell half Cell also valid for YLM 60 Cell HSF Smart also valid for YGE 120 Cell Half cell YGE 120 cell half cell 1500V YINGLISOLAR COM Yingli Energy China Co Ltd service yingli com Service...

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