Ingeteam Ingecon Sun 250 TL Installation Manual page 71

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Installation manual
The figure has verified the resistance of phase 1, L1. Testing required for L2 and L3.
2.
Check for continuity between Rcapt, Scapt and Tcapt terminals of the inverter's Q4 thermomagnetic circuit
breaker and XAC terminal strip, according to the following sequence of terminals (see figure):
Rcapt – XAC.2.
Scapt – XAC.3.
Tcapt – XAC.4.
3.
Check continuity between the inverter's XAC terminal and the intake board as per the following list:
XAC.1 – J8.2
XAC.2 – J8.1
XAC.3 – J7.1
XAC.4 – J6.1
Another task to be performed is a visual inspection of the varistors on the intake board. Check that the thermal fuse
is not damaged.
The measurement board varistors comprise a thermal fuse (FU) and a varistor (VA). The way to check that the varistor
is operating correctly is to perform the checks listed below:
Between pins 1 and 2, you must get a high impedance reading of around kOhm.
Between pins 2 and 3 you must get a reading of 0 ohms approximately.
If all the above checks have been done correctly and a 0002H alarm persists, what remains to be checked is that the
impedance of each phase of the inverter output to ground is very high. To do this, open fuses F16, F17, F18, F26,
F27, F28, F36, F37, F38, F46, F47, F48.
AAV2000IKI01
Ingeteam Energy, S.A.
71

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