Generac Power Systems XVT076A03 Installation And Owner's Manual page 27

– To calibrate CTs, navigate to the inverter device
page, access the menu, and select the Calibrate
CTs option.
– Watch the screen carefully for transient valida-
tion of CTs. When the CT calibration process has
been successfully completed, the inverter LCD
screen will provide feedback showing ct cal suc-
cess. Otherwise, the screen will show ct cal = X,
where the value of X can be found in
Automatic Detection Troubleshooting
Setpoint Behavior
•
CalOverride
Overrides CT calibration.
•
When set to OFF, the inverter will automatically detect the direction and
number of CTs present.
•
When set to ON, the inverter will assume correct CT installation and will
use the readings as is.
•
CTTurnsRatio
Turns ratio of the CTs installed.
•
Default turns ratio of 1,500 is compatible with included clamp type CTs
•
If installation restriction requires larger accessory CTs, set point shall be
adjusted to 3,000. Verify turns ratio of CTs before modifying this setting.
•
GridParInvrtrs
Allows two inverters to share one set of CTs.
•
If set to "1" only one inverter should be using a single set of CTs.
•
If set to "2" two inverters can share one set of CTs.
Event Name
ct cal = 1
ct cal = 2
ct cal = 3
ct cal = 4
ct cal = 5
ct cal = 6
ct cal = 7
ct cal = 9
ct cal = A
ct cal = B
ct cal = C
ct cal = D
ct cal = E
ct cal = F
ct cal success
Installation and Owner's Manual for Generac PWRCell Inverter
Table 5-11:
Table.
Table 5-10. CT Setpoints
Table 5-11. Automatic Detection Troubleshooting Table
Event Code Description
0x8061 Line 1 doesn't have a valid CT calibration
0x8062 Line 2 doesn't have a valid CT calibration
0x8063 Line 1 & 2 don't have a valid CT calibration
0x8064 Line 3 doesn't have a valid CT calibration
0x8065 Line 1 & 3 don't have a valid CT calibration
0x8066 Line 2 & 3 don't have a valid CT calibration
0x8067 Line 1 & 2 & 3 don't have a valid CT calibration
0x8069 Line 1 has multiple CTs on it (or a CT is on the neutral wire)
0x806A Line 2 has multiple CTs on it (or a CT is on the neutral wire)
0x806B Lines 1 and 2 have multiple or missing CTs on them (or a CT is on the neutral wire)
0x806C Line 3 has multiple CTs on it (or a CT is on the neutral wire)
0x806D Lines 1 & 3 have multiple or missing CTs on them (or a CT is on the neutral wire)
0x806E Lines 2 & 3 have multiple or missing CTs on them (or a CT is on the neutral wire)
0x806F Lines 1 & 2 & 3 have multiple or missing CTs on them (or a CT is on the neutral wire)
0x8070 Calibration was successful
– CT1 must be connected to Line 1.
– CT2 must be connected to Line 2.
– CT3 must be connected to line 3 (for three phase
applications).
– All CTs must be orientated in the same relative
direction.
– In certain scenarios, additional setpoint modifi-
cations may need to be made. See
CT Setpoints for more information
Electrical Connections
Table 5-10:
Default Units
OFF N/A
1,500 Turns
1 N / A
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