SOLA 4000 - Operation
JUE 401266
70
5 Operating Instructions
5.3 Switching On any one unit within a Sys-
tem (Parallel and Hot-standby Systems)
Initial UPS Operating Mode
The UPS module was switched off using the procedure in section
5.4, all of the power switches in this module are in the off position,
the load is supplied by the remaining unit(s) within the system.
• If this UPS module has an input supply separate to the other
units in the system, switch on the external mains supply for this
UPS module; both the rectifier input and bypass input when
separate supplies are provided.
• Open the UPS front door, or the part necessary to allow access
to the switches IRP, IRE, IUG.
•
WARNING: E
NSURE
THAT
THE
IUG
AND
IRE
SWITCHES
ARE
OPEN
.
IRP:
• Close the
IRP
switch. The rectifier starts and the UPS performs
a self test. The UPS Operating Panel will beep 3 times and test
all the LEDs. The audible alarm may continue beeping and can
be muted by pressing "RESET" once.
IUG:
• Close the
IUG
switch.
•
NOTE: I
N
ORDER
NOT
TO
AFFECT
SYSTEM
PERFORMANCE
,
IT
IS
IMPOR
-
TANT
TO
CLOSE
IUG
NOW
.
IRE:
• Close the
IRE
switch.
IB:
• Close the battery switch
IB
.
IPR:
S1
• If present, ensure that the micro switch
S1
at the bottom of the
IPR pcb is in the
AUTO
position.
START:
• Press the
pushbutton "START"
on the Operating Panel. The
inverter will start. The LED 16 will flash red and 10 seconds
later will turn green and be permanently lit.
RESET:
• Press the
pushbutton "RESET"
on the Operating Panel.If not
already on, the green LED 17 will turn on and the LED 29 must
switch off.
The UPS module is now in normal operating mode, connected in
parallel with the remaining units in the system (parallel systems,
section 4.1 or 4.2) or ready to take over the load in the case of an
inverter failure (hot-standby systems, section 3.1)
.
