Gamatronic Electronic Industries Ltd.
Power+ Technical Guide
51
4.4
CHECKS TO BE PERFORMED FOLLOWING INITIAL
STARTUP
Type of check
Requirement
Result
Phase to Phase:
Not less than 2% below no-load values measured in
item 5 below.
R-
S
S-
T
T-
R
8.
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.
R
S
T
9.
With no load on the system, measure current
circulation between the units.
I
rst should be <15A
10.
With no load on the system, measure the DC
voltage of the system.
Total DC voltage b and
–
terminals
should be between 850V and 880V.
R
S
T
11.
Voltage between neutral and ground during
operation under load
On the input terminals of the system
0–2VAC
12.
System output voltage
220V +/- 2%
or other according to system specifications
13.
Total system load / output current
Verify that the system is not overloaded in relation to
system specifications
14.
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.