Tilt Angle Selection; Mechanical Installation Introduction - JinkoSolar JKM420N-54HL4-B (MC4) Installation Manual

Photovoltaic module
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designed for the purpose.
Do not install the PV module in a location where it would be immersed in water or continually
exposed to water from a sprinkler or fountain etc.

2.2.3 Tilt angle selection

The tilt angle of the PV module is measured between the surface of the PV module and a
horizontal ground surface (Figure 1). The PV module generates maximum output power when it
faces the sun directly.
For standalone systems with batteries where the PV modules are attached to a permanent
structure, the tilt angle of the PV modules should be selected to optimize the performance
based on seasonal load and sunlight. In general, if
the PV output is adequate when irradiance is low
(e.g., winter), then the angle chosen should be
adequate during the rest of the year. For
grid-connected installations where the PV modules
are attached to a permanent structure, PV modules
should be tilted so that the energy production from
the PV modules will be maximized on an annual
basis.

2.3 Mechanical Installation introduction

Solar PV modules usually can be mounted by using the following methods: bolts and clamps.
Note:
1) All installation methods herein are only for reference, and Jinko solar will not provide related
mounting components, the system installer or trained professional personnel must be
responsible for the PV system's design, installation, and mechanical load calculation and
security of the system.
2) Before installation, the following items should be addressed:
a) Visually check the module for any damage. Clean the module if any dirt or residue
remains from shipping .
b) Check if module serial number stickers match.
3) Jinko modules are designed to meet a maximum positive (or downward) pressure of
5400Pa(Only refer to the mentioned module type in this manual) and negative (or
upward)pressure of 2400Pa. When mounting modules in snow-prone or high-wind
environments, special care should be taken to mount the modules in a manner that
provides sufficient design strength while meeting local code requirements.
Figure1: PV module tilt angle
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