8 checks to be performed following initial startup, Checks to be performed following initial startup, Table 7: post-startup checks – MaxPower Corp Gamatronic Power+ M50 Manuel d'utilisation
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Gamatronic Electronic Industries Ltd.
42
POWER+ 3x208 V, User Guide, Release 2.3
5.8
Checks to be performed following initial startup
Table 7: Post-startup checks
TYPE OF CHECK
REQUIREMENT
RESULT
3-3 and 3-2
configuration
L1-L2
L2-L3
L3-L1
Phase-to-phase:
Not less than 2 %
below no-load values
measured in item 5
below.
2-2 configuration
L1-L2
3-3 and 3-2
configuration
L1
L2
L3
1.
Ac input voltage during operation under load.
Take measurements on the input terminals of
the system
Phase to Neutral:
Not less than 2 %
below no-load values
measured in item 5
below.
2-2 configuration
L1
L2
2.
With no load on the system, measure current
circulation between the units.
I
rst should be <30 A
3.
With no load on the system, measure the dc
voltage of the system.
Total dc voltage between + and –
terminals should be between 384 V and
432 V.
(+) — (–)
4.
Voltage between neutral and ground during
operation under load
On the input terminals of the system
0–2 Vac
5. System output voltage
120 V +/- 2 %
or other according to system specifications
6. Total system load / output current
Verify that the system is not overloaded in
relation to system specifications
7. Correct and orderly operation
Verify that the UPS is operating normally in
accordance with this User Guide and that no
alarms or fault indications are evident
NOTE: It is the responsibility of the customer to notify Gamatronic Electronic Industries Ltd. and receive
approval for any deviations from these requirements.