Displays and Messages SMA America, LLC
74 SB50US-80US-IA-en-36 Installation Manual
Default USA/UL1741/
2005, OFF_Grid,
NON IEEE1547
USA/
UL1741/
2005
Electrically
qualified
person
Used for adjusting the country
specific parameter settings.
Note: After changing one of the
parameters marked with "*", the
parameter "default" changes to
"adjusted" automatically.
dFac-MAX* Hz/s 0.005 ... 4 0.5 (for
country setting
USA/
UL1741/
2005)
Electrically
qualified
person
Maximum "number of frequency
changes" before the anti-islanding
protection switches on
E_total kWh 0 ... 200000 0 Electrically
qualified
person
Total energy yield of the inverter.
Changing the value may be
necessary if a Sunny Boy is replaced
and you wish to compare the data
obtained previously.
Fac-delta–* Hz 0.2 ... 3 0.69 (for
country setting
USA/
UL1741/
2005)
Electrically
qualified
person
Maximum permissible operating
frequency above and below 60 Hz.
Standard value is optimal for plants
< 30 kW.
Fac-delta+* Hz 0 ... 4.5 0.49 (for
country setting
USA/
UL1741/
2005)
Electrically
qualified
person
Fac-MinTripTime* s 0.16 ... 300 0.16 Electrically
qualified
person
Switch-off time having fallen below
power frequency. The standard
value is optimal for plants < 30 kW.
Fan-Test 1 / 0 0 Electrically
qualified
person
By setting this parameter to "1" you
can check the function of the fans.
This test turns the fans at maximum
speed.
h_Total h 0 ... 200000 0 Electrically
qualified
person
Total operating hours of the inverter.
Changing the value may be
necessary if a Sunny Boy is replaced
and you wish to compare the data
obtained previously.
Memory Function no function, Default
param., Reset
Op.Data, Reset
errors
no function Electrically
qualified
person
Default param.: Sets all parameters
to the standard value.
Reset Op.Data: Sets all parameters
to the standard values that are
displayed on the user level.
Reset errors: Resets all permanent
errors that lead to device
disconnection.
Name Unit Range Standard Password
Level
Description
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