SMA POWER PLANT CONTROLLER - Manual (Page 8)

2 Safety SMA Solar Technology AG
8 PPC-BE-P7-en-13 Operating Manual
2.2 Safety Information
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Electric shock due to live voltage
Danger of electric shock if work is executed incorrectly or under fault conditions. This results in death or serious injury.
• Wear personal protective equipment.
• Disconnect the supply voltage before performing any work on the Power Plant Controller.
• Observe the five safety rules when disconnecting the supply voltage:
– Disconnect from voltage sources
– Ensure that the device cannot be reconnected.
– Ensure that no voltage is present
– Ground and short-circuit the device
– Cover and isolate any adjacent live components
• Wait one minute for the capacitors of the redundant electricity supply to discharge.
Electric shock due to damaged Power Plant Controller
Operating a damaged Power Plant Controller can lead to hazardous situations that result in death or serious injuries
due to electric shock.
• Only operate the Power Plant Controller when it is in perfect working order and safe to operate.
• Check the Power Plant Controller regularly for visible damage.
• Make sure that all external safety equipment is freely accessible at all times.
• Make sure that all safety equipment is in good working order.
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Danger to life due to blocked escape routes
In hazardous situations, blocked escape routes can lead to death or serious injury.
• An escape route of at least 500 mm width must be available at all times. Make sure the minimum passage width
of the escape route meets local standards.
• Observe the minimum clearances when installing the Power Plant Controller.
• Do not place any objects in the escape route area.
• Remove all tripping hazards from escape routes.
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Damage to the Power Plant Controller due to moisture penetration
Dust intrusion or moisture penetration can damage the Power Plant Controller or impair its functionality.
• Do not open the Power Plant Controller when humidity exceeds 95%.
• Only perform maintenance work on the Power Plant Controller when the environment is dry and free of dust.
Damage to the Power Plant Controller due to overvoltage
When overvoltage occurs, the Power Plant Controller can be damaged.
• Provide the Power Plant Controller with an external overvoltage protection.