Omron KP100G Technical Manual page 18

Grid connect photovoltaic inverter
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KP100G
(6) Omron KP100G PV Inverter shall be installed and used properly in a way to keep away from the following incidents;
a) altered or repaired, maintained or overhauled except by OMRON or any person expressly authorized by OMRON, without prior
written consent of OMRON
b) use of parts or accessory other than OMRON specify
c) defect caused by circumstantial factors such as wiring or peripheral equipment to be connected
d) pro-longed mechanical stress; eg. Tiny but continuous vibration for a long period
(7) Omron KP100G PV inverter shall be installed and used properly in a way to prevent the following possible incidents;
a) Lightening surge; easier to penetrate into a PV inverter by conducting on lines between PV modules and PV inverters comparing
to other apparatus installed in the house like a washing machine and may result in a breakage of PV inverter
b) Surge noise (spike) caused by a nearby construction work; flow into a PV inverter and may result in a breakage
c) Grid instability caused by a nearby construction work; make voltage variation larger and cause a malfunction, it may result in a
claim to replace the product
d) Nearby plant (under a poor grid connection); make voltage and/ or frequency vary too largely to activate an error (message), as it
happens repeatedly the customer starts suspecting the quality or defect of the product and it may result in a claim to replace the
product
e) Home apparatus without grounding (eg. washing machine); make a noise to a PV inverter from time to time and it may result in a
breakage.
f) Installation circumstances that cause internal relays of PV inverter to repeat switching on and off; it may result in a welded contact
before its life time. It should be a set up that is good at making a balance of startup and stop of PV modules.
g) Characteristics matching with PV modules (as a PV system); amorphous PV modules cause leakage current detector to be
erroneously activated when it is set up, in rain, or as time goes by, and shut down a PV inverter, and it may result in a claim to
replace the product.
(8) Choosing the location
During certain operation phases the KP100G PV inverter may develop a slight noise level, for this reason it should not be
installed in the place where a slight audible noise is not permitted.
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