SMA Sunny Island 4248U, Инструкция по установке и эксплуатации

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Sunny Island Applications SI4248U Manual
70
For security reasons all energy sources installed on the AC output side should meet all
regulations for utility interaction.
Generators
Gas powered generators are a common component found in both off-grid and back-up
systems. Generators come in many different sizes and determining the correct one will depend
on the needs of the system. More importantly however, generators are divided into two basic
groups: Auto-Start and Manual Start.
Auto-Start
Basically, an auto-start generator is designed to start and run automatically without personnel
intervention. This requires that the generator is much more sophisticated in terms of its
operation. For example, auto-start generators typically have much larger engine oil and gas
capacities. They have sophisticated starting procedures such as crank times, retry counts and
exercise routines. It is highly recommended that this type of generator be used if you require
that the Sunny Island 4248U start a generator automatically. Please consult your installer or
system designer for generator recommendations.
Manual-Start
Manual start generators require that they have to be started by hand using a key, button or
pull-start system. These generators are less sophisticated and assume that there is personnel on
hand to monitor its operation.
NOTE: Both types of generators will generate electrical power reliably, but care
should be taken when selecting the type of generator to use in your system. Seek
the advice of a qualified technician if you are unsure.