Table of Contents
Advertisement
User Manual
Hipulse - Single Phase '1+N' UPS System
14.
BATTERY: E.O.D.
15.
RECT. OFF
16.
RECT. SWITCH OPEN
RECT. CURRENT LIMIT
BATTERY: FUSE FAIL
DC BUS: FAST OVERVOL
17.
BYP. ABSENT
BYP. OVERVOLTAGE
BYP. UNDERVOLTAGE
BYP. FREQUENCY ERROR
18.
BYP. SCR FAILURE
19.
BYP. PHASE ROT. ERROR
20.
MANUAL BYPASS CLOSED
21.
INV. UNSYNCHRONIZED
Battery discharge has continued beyond a preset value.
inverter will shut down, the system will attempt a transfer to bypass.
If Bypass is not available, any load connected to the UPS will be
without power.
The RECT. OFF alarm is active whenever the battery charger
(rectifier) is not producing its correct output voltage. This can be
caused by an operator selection to OFF, an Input supply failure, an
open rectifier a.c. input power switch or an internal fault which may
be accompanied by one of the fault conditions.
Most of the rectifier fault messages are self explanatory however,
the DC BUS: FAST OVERVOLTAGE message informs the operator
the d.c. busbar voltage is too high.
INPUT FAILURE: input a.c. supply failed or out of specified
acceptable range.
Do not switch OFF the inverter while this
indication is active or the load will lose its power.
One or more of the static switch SCR's has developed a fault. The
bypass would not support the load in the event of a UPS failure,
immediate action is required. Seek qualified assistance.
This message informs the operator that the input power lines have
been cross-connected and the phases sequence is incorrect.
This is a status warning that the load is being powered through the
maintenance bypass line and is unprotected from mains supply
aberrations.
This warns that the inverter is not synchronized with the bypass
supply, which is normally due to a problem with the bypass supply
being outside an acceptable frequency window. Do not switch OFF
the inverter when this alarm is active or the load will experience a
200 millisecond power break.
59
130 kVA - 110V
The
Advertisement
Table of Contents
