8 Product manual - PVS-175-TL;A.1 Version
EN
1.3 Installation and maintenance safety
1.3.1 General safety information
WARNING – B Do not do work on the photovoltaic generator, on the inverter, on its input or output
cables, when the inverter is connected to an electrical power system, or to the photovoltaic
generator.
Before perform any maintenance operation on the inverter, follow this steps:
- Prepare the work: Carry out an on-site Risk Assessment or Job Hazard Analysis (Check for
proper tools and PPE for the job; Engage the person responsible for electrical equipment
or system to review single-line, schematics, switching plans; Define the appropriate work
methods and initiate the permit to work process).
- Clearly identify the work location and equipments.
- Disconnect all sources and secure against reconnection by means of the “Lockout/Tagout”
procedure to ensure that any conductor cannot accidentally become live.
- Verify the absence of operating voltage (This must be carried out by means of a proper test
instrument).
- Complete the permit to work and “Walk the Permit”.
WARNING – B Refer to “Inverter total de-energization and safe access” paragraph on this
manual to know all detailed necessary steps to safely operate on the inverter.
FORBIDDEN – H Do not proceed with installation if the integrity of the equipment is compromised.
Do not use the equipment if you find any operating anomalies.
FORBIDDEN – H Avoid temporary repairs. All repairs should be carried out using only genuine
spare parts, which must be installed in accordance with their intended use.
FORBIDDEN – H The labels affixed on the equipment must strictly NOT be removed, damaged,
defaced, hidden, etc. The technical data provided in this manual does not in any case replace
that shown on the labels affixed on the equipment.
1.3.2 Environmental conditions and risks
ATTENTION – A This device can be installed outdoors, but only in environmental conditions that
do not prevent its regular operation. These conditions are listed in the technical data and in
the installation chapter.
ATTENTION – A Do not open the front covers of the inverter when it is raining, or when sand or
dust can blow into the unit. Infiltration of water or sand into the inverter can cause damage
of the unit. It is of paramount importance to evaluate the weather conditions in the risk
assessment prior any intervention on the equipment. Any intervention on the inverter can be
carried out only in case of dry environment. Don’t proceed in case of rain (even light) or high
humidity.
ATTENTION – A This device is not designed to operate in environments that are particularly
inflammable or explosive.
ATTENTION – A In the event of fire, use CO2 extinguishers and auto-extraction systems to
extinguish the fire in closed environments.
ATTENTION – A The installer or maintenance technician must always pay attention to the work
environment, ensuring that it is well-lit and there are enough escape routes.
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