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OPM_LPS_3UO_30K_40K_0US_V010.doc Operating Manual LP 33 Series 30 & 40 kVA
7.2.7 Restore to normal operation after “total off”
NOTE !
Make sure the all units of the parallel system to be status of the activation of “total
off”, i. e. Q1 closed, Q2 open the battery fuses F5, F6, F7 (and eventual external fuses in
case of external battery) connected.
View of the panel after pressing the button “total off”:
• All Contactors are open.
•
Booster, inverter eand Static-Switch shutdown.
LP 33 40kVA P1
APPLICAT. SUPPLY OFF
= 0%
1. Reset “total off” of the parallel system.
Restore the command “total off”, on any one of the units, by
entering the screen: MENU/RESET TOTAL OFF
LED TEST
RESET TOTAL OFF *
The load is supplied by the mains through the automatic
bypass.
The booster starts automatically.
The LCD screen must display on all Units the status:
APPLICATION ON BYPASS
LP 33 40kVA P1
APPLICATION ON BYPASS
= 70%
2. Switch ON the inverter on first unit by entering the screen:
MENU/COMMAND MENU/INVERTER ON
In case of sufficient output power, the output will transfer to
Inverter.
COMMAND MENU
INVERTER ON *
INVERTER OFF
3. Switch ON the inverter on the other units by entering the
screen: MENU/COMMAND MENU/INVERTER ON
(Do not start the next inverter until the sequence of the previous
one ends – about 10 seconds).
COMMAND MENU
INVERTER ON *
INVERTER OFF
LP 33 40kVA P1
APPLICATION ON UPS
= 70%
As soon as the output power of the inverters is sufficient to
supply the load, the output of the units with running inverter
will transfer to inverter.
The LCD screen must display on all Units the status:
APPLICATION ON UPS
END OF PROCEDURE