System components
7
Grundfos RSI
3
Circuit breaker, DC
Fig. 4 Circuit breaker
The DC circuit breaker is suitable for the
solar-powered RSI system.
The circuit breaker enables manual starting and
stopping of the system. At least one DC circuit breaker
is required for each set of solar panels connected in
series to an RSI.
Fig. 5 Dimensions, circuit breaker
Combiner box (optional)
A combiner box combines the output of multiple solar
panel arrays for connection to RSI, instead of having
an array-to-array cable or exceeding the power range
for the cable.
Surge protection, DC
Fig. 6 Surge protection
The DC surge protection is suitable for the
solar-powered RSI system.
The surge protection gives a very safe and reliable
protection of the system by having a quick response.
At least one DC surge protection is required for the DC
input of RSI. We recommend also to have one DC
surge protection for each solar array connected to a
RSI.
Fig. 7 Dimensions, surge protection
Level switch (optional)
A level switch serves as a start/stop control that
depends on the water level in the water tank.
Fig. 8 Level switch
TM05 7581 1213TM05 7585 1213
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