4: Single Module Operating Procedures
42
UPS725-02-02 PowerWave 1000 (4.5 - 10 kVA) User Manual UK Dated 13/03/15
4.3
Shutdown procedures
4.3.1 Normal shutdown (with mains available)
This procedure describe the shutdown sequence when turning
OFF
the UPS
when it is operating in its normal ‘
On Line
’ mode.
Before you shut down the UPS make sure it is safe to disconnect the critical load
power.
1. Press the
OFF
button for approximately 3~5 seconds, until you hear two
beeps, then release it.
a) The inverter switches
OFF
.
b) The input mains and bypass supply leds will remain lit.
c) The LCD screen will show the UPS status as
oFF
.
d) On the LCD mimic, the load will be shown ‘
On Bypass
’ and the battery
still connected to the input LINE and on charge.
2. To completely shut down the UPS, disconnect the UPS utility mains supply.
a) The UPS fans and control panel will remain operative for a few seconds
before the unit completely shuts down.
b) The UPS output will turn
OFF
and the load will no longer be supplied.
4.3.2 UPS shutdown when on battery
This procedure describe the shutdown sequence when turning OFF the UPS
when it is operating in its standby, ‘
On Battery
’, mode. You would typically use
this procedure during a prolonged utility mains failure if you chose to shutdown
the critical load, followed by the UPS, in a controlled manner before the battery
reaches the end of its autonomy time.
1. Turn
OFF
the UPS by pressing the
OFF
button for approximately 3~5
seconds, until you hear two beeps, then release it.
a) The two programmable UPS outlet leds will extinguish to indicate the
removal of UPS output power.
b) The LCD screen will show the UPS status as
oFF
.
c) On the LCD mimic, the load will be shown disconnected from the UPS.
2. After a few seconds the UPS will completely shut down and all led and
display indications will extinguish.
LINE
UPS
LOAD
V
1
2
EC
O
N+
1
LINE
UPS
LOAD
V
1
2
EC
O
N+
1
LINE
UPS
LOAD
V
1
2
EC
O
N+
1
LINE
UPS
LOAD
1
2
EC
O
N+
1