APC 6739380EN/JC User Manual
Page 24
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7
Shutdown
Shutdown of a unit
Modular UPS with external
maintenance bypass:
maintenance bypass:
◗
all the UPSs shut down:
◗◗
green "load protected" light 5 goes
off,
◗◗
red "load not protected" light 2 on
the control panel of each unit goes on,
◗◗
orange "operating problem" light 3
on the other units goes on, all shut
down due to the overload.
down due to the overload.
Frequency converter:
◗
if the system is redundant, i.e. the
other parallel-connected inverters can
supply the load on their own, the
inverter shuts down:
supply the load on their own, the
inverter shuts down:
◗◗
green "load protected" light 5 goes
off,
◗◗
red "load not protected" light 2
lights on the control panel of the line;
The load is not affected in that the other
inverters continue to supply it normally;
The load is not affected in that the other
inverters continue to supply it normally;
◗
if the system is not redundant, all the
inverters shut down;
◗◗
green "load protected" light 5 goes
off,
◗◗
red "load not protected" light 2 on
the control panel of each line goes on,
◗◗
orange "operating problem" light 3
on the control panel of the other lines
goes on, all shut down due to the
overload.
goes on, all shut down due to the
overload.
Proceed in the following order:
◗
open battery circuit breaker QF1;
◗
open Mains 1 input switch Q1;
◗◗
the rectifier/charger shuts down,
◗◗
all control panel lights go off because
the device is powered down.
Note:
In a frequency converter without a
battery, rectifier/charger shutdown
automatically results in inverter
shutdown.
In a frequency converter without a
battery, rectifier/charger shutdown
automatically results in inverter
shutdown.
Shutdown of an rectifier/charger
Except in frequency converters without
a battery, it is recommended not to stop
the rectifier/charger because the
battery will no longer be charged.
Except in the case of a test of the
inverter on battery power, the rectifier/
charger should be shutdown after the
inverter to avoid unnecessary battery
discharge.
a battery, it is recommended not to stop
the rectifier/charger because the
battery will no longer be charged.
Except in the case of a test of the
inverter on battery power, the rectifier/
charger should be shutdown after the
inverter to avoid unnecessary battery
discharge.
Shutdown of an inverter
◗
press the "inverter off" button 7 on
the control panel for 3 seconds;
Single-unit UPS
◗◗
green "load protected" light 5 goes
off,
◗◗
red "load not protected" light 2 on
the control panel goes on,
◗◗
the inverter stops;
◗
if transfer to Mains 2 conditions are
correct, the inverter shuts down and the
load is transferred to Mains 2;
load is transferred to Mains 2;
◗
if transfer to Mains 2 conditions are
not correct, the inverter does not shut
down;
down;
◗◗
special action on the hidden control
panel is required to force inverter
shutdown,
shutdown,
◗◗
to force inverter shutdown, press
simultaneously the security button
14
and button 5 "Forced inverter
shutdown"
shutdown"
17
on the hidden control
panel,
◗◗
the load is transferred to Mains 2
with a 0.8 second interruption in the
supply of power.
supply of power.
Multi-bypass modular UPS:
◗
the UPS shuts down (the other
parallel-connected unit can supply the
entire load):
entire load):
◗◗
green "load protected" light 5 goes
off,
◗◗
red "load not protected" light 2 on
the control panel goes on.
The load is not affected and continues
to be supplied by the other unit.
The load is not affected and continues
to be supplied by the other unit.
Parallel UPS with SSC:
◗
if the system is redundant, i.e. the
other parallel-connected inverters can
supply the load on their own, the
inverter shuts down:
supply the load on their own, the
inverter shuts down:
◗◗
green "load protected" light 5 goes
off,
◗◗
red "load not protected" light 2
lights on the control panel of the line.
The load is not affected in that the other
inverters continue to supply it normally;
The load is not affected in that the other
inverters continue to supply it normally;
◗
if the system is not redundant and
the transfer to Mains 2 conditions are
correct, all the inverters shut down;
correct, all the inverters shut down;
◗◗
green "load protected" light 5
goes off,
◗◗
red "load not protected" light 2
lights on the control panel of each line,
◗◗
orange "operating problem" light 3
on the control panel of the other lines
goes on (all shut down due to the
overload),
goes on (all shut down due to the
overload),
◗◗
the load is transferred to Mains 2
without an interruption in the supply of
power;
power;
◗
if the system is not redundant and
the transfer to Mains 2 conditions are
not correct, the inverter does not shut
down;
not correct, the inverter does not shut
down;
◗◗
special action on the hidden control
panel is required to force inverter
shutdown,
shutdown,
◗◗
to force inverter shutdown, press
simultaneously the security button
14
and button 5 "Forced inverter
shutdown"
shutdown"
17
on the hidden control
panel,
◗◗
the load is transferred to Mains 2
with a 0.8 second interruption in the
supply of power.
supply of power.