Kohler PowerWAVE 8000DPA RI (S2) Series, Руководство пользователя, Страница: 71 / 88

TS_616_08 PW8000DPA ST (S2) User Manual 21/4/22
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5: Operation
Transfer the load to maintenance bypass:
7. Close the maintenance bypass switch (see the IMPORTANT NOTE above) .
8. On the module control panel(s), verify that:
a) The INVERTER LED is red.
b) The
BYPASS
LED is green.
c) The module control panel will display MANUAL BYP IS CLOSED .
9. Press the
RESET
button (
on all UPS modules
) to cancel the audible alarm.
Turn off the UPS module(s):
10. Carry out steps 11 to 12 on each UPS module in turn.
11. On the module control panel, simultaneously press both
ON/OFF buttons
and verify that:
a) All LEDs turn OFF except for
LINE 1
and
BATTERY
(flashing green).
12. Open the battery fuses (F4-x).
a) The
BATTERY
LED will now flash red.
Key Point: The UPS system is operating on maintenance bypass and the load is unprotected.
WARNING: When using the internal maintenance bypass switch (IA1), the UPS bypass mains supply must be
maintained in order to provide power at the UPS output terminals.
DO NOT OPEN THE BYPASS MAINS SUPPLY FUSES/ CIRCUIT BREAKER.
If an external maintenance bypass facility is used, the UPS modules’ input/bypass supply can be turned off
– see the operating instructions for the bespoke external maintenance bypass facility for details.
Key Point: It is now safe to remove/replace the UPS module(s).
LINE 1
LINE 2 BY PASS
INVERTER
BATTERY
LOAD
LINE 1
LINE 2 BY PASS
INVERTER
BATTERY
LOAD