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2. BREAKER CLOSED - ALARM
: (protection unit in alarm position) Upper side of the display become
like shown:
A L A R M
▲ ▼
( d e s c r i p t i o n )
From this position (closed breaker and protection unit in alarm position) it’s possible to enter the
main page pushing one time the
OK
button.
Description: possible cases (I1 and I3 are an example of indications).
I > 0 . 9 0
I 1
I 3
I r
I r
I > 1 . 0 5
T > 7 5 ° C
Indication on alarm type is shown on the second line; if there are several alarms, these can be visua-
lized scrolling with
s t
. If more than one phase is on alarm position (Example: I1 and I3> 1.05 Ir)
two different descriptions are shown on different lines.
3. BREAKER TRIPPED:
Upper side of the display is like shown:
F A U L T
▲ ▼
( d e s c r i p t i o n )
Indication on failure type is shown in the second line; if there are several events at the same time,
these can be visualized scrolling with
s t
. If more than one phase is on failure position (Example:
Thermal I1 and Thermal I3) two different descriptions are shown on different lines. From this page
is possible to reach the main page pushing one time the
OK
button.
Description
: possible cases (I1,I2 and I3 are an example of indications).
L o n g
T i m e
I 1
I 2
I 3
S h o r t T i m e
I s t a n t a n e o u s
F i x . I s t .
G r o u n d
O v e r t e m p .
T e s t
Summary of Contents for Megabreak MP4 Series
Page 2: ...2 Protection unit MP4 Megabreak IT EN ITALIANO 3 ENGLISH 33 ...
Page 32: ...32 ...
Page 50: ...50 To come back to the upper level of menu push C To scroll up push 49 ...
Page 52: ...52 To come back to the upper level of menu push C To scroll up push Overtemp 51 ...
Page 54: ...54 To come back to the upper level of menu push C To scroll up push In Absent 53 55 ...
Page 58: ...58 To come back to the upper level of menu push C To scroll up push 2 7 X ...
Page 62: ...62 ...
Page 63: ...Protection unit MP4 Megabreak Installation manual 63 ...