USERS | Precautions and Safety
Doc #OI0003 Part #004122 Rev 04 2010
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Installation
• The SP PRO requires adequate ventilation, away from hot equipment. Do not obstruct
the airflow passage of the SP PRO case (top and bottom). Ensure when installed in an
enclosed space that there is adequate ventilation.
• The SP PRO must be located in a place away from electrolyte and corrosive aerosols.
• The SP PRO contains arcing contacts so must not be located where explosive gas
mixtures could occur, such as hydrogen from batteries or diesel fumes. The SP PRO
must never be installed above the battery bank.
Maintenance
Ensure that all energy sources are isolated before working on connected wiring. The generator
may start or power may be restored by the inverter at any time.
Never work on equipment or investigate a problem without following appropriate safety isolation
procedures.
Inverter or Generator may start automatically
The SP PRO automatically starts and/or restarts and may restore power or start the generator
at any time. If a fault or overload is detected the SP PRO will shutdown and may automatically
attempt to restart at varying intervals of up to several hours.
Battery
Batteries are very dangerous. Please read the safety information provided by the battery
supplier.
• Battery acid is dangerous.
• Batteries can emit hydrogen gas, which is explosive.
• Batteries connected in series can produce hazardous voltages.
• Disconnecting a DC power connection (even on one battery cell) can cause dangerous
high-energy DC arcs, which can cause serious burns and eject hot particles, and can be
difficult to extinguish.
• Disconnecting a DC power connection (even on one battery cell) can cause renewable
sources to produce large voltages (much larger than the battery voltage) on battery
terminals and DC wiring. Such voltages can be lethal. They can also damage the
SP PRO. Only suitably trained and qualified personnel should disconnect any DC power
connection, including battery cell connections, and only with suitable procedures and
safety precautions.
• System battery voltages of 60 V or greater are to be treated as Hazardous.
