Safety Safety
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• PV modules shall have an IEC 61730 class A rating.
• Avoid touching the PV connecting device in case of electric shock.
• After the MAINS and PV supply has been disconnected, the capacitor of
the unit still contains hazardous voltage for up to 5 minutes, please don’t
touch during this period.
WARNING!
Hazardous voltage will present for up to 5 minutes after
disconnection from power supply.
• CAUTION-RISK of electric shock from energy stored in capacitor. Never
operate the solar inverter couplers, the MAINS cables, PV cables or the
PV generator when power is applied. After switching off the PV and Mains,
always wait for 5minutes to let the intermediate circuit capacitors discharge
before you unplug DC and MAINS couplers.
• When accessing the internal circuit of solar inverter, it is very important to
wait 5 minutes before operating the power circuit or demounting the
electrolyte capacitors inside the device. Do not open the device
beforehand since the capacitors require time to sufficiently discharge!
• Measure the voltage between terminals UDC+ and UDC- with a multi-
meter (impedance at least 1Mohm) to ensure that the device has totally
discharged.
• The inverter incorporates a certified internal Residual Current Monitoring
(RCM) in order to protect against possible electrocution and fire hazard in
case of a malfunction in the cables or the inverter. There are two trip
thresholds for the RCD as required for certification (IEC 62109-2: 2011).
The default value for eletrocution protection is 30 mA, and for slow rising
current is 300 mA.
• If an external RCD is required by local regulations, check which type of
RCD is required for relevant electric code. It recommends using a type-A
RCD. The recommended RCD values is 300mA unless a lower value is
required by the specific local electric codes.
PE Connection and Leakage Current
WARNING !
For United Kingdom
• High leakage current!
• Earth connection essential before connecting
supply.
• Incorrect grounding can cause physical injury, death or equipment
malfunction and increase electromagnetic.
• Make sure that grounding conductor is adequately sized as required by
safety regulations.
• The installation that connects the equipment to the supply terminals
shall comply with the requirements of BS 7671.
• Electrical installation of PV system shall comply with requirements of
BS 7671 and IEC 60364-7-712.
• No protection settings can be altered.
• Installer shall ensure that equipment is installed and operated by this
means to comply with the requirements of ESQCR22(1)(a) at all
times.
For Australia and New Zealand
• Electrical installation and maintenance shall be conducted by
licensed electrician and shall comply with Australia National Wiring
Rules.
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