68
30-200 kW
P-164000249
User's and Installation Guide
Revision 2
6.5.3 Enabling and disabling the battery charger
To turn the battery charger on or off, perform the following procedure:
1.
Press the
Controls
button in the main menu. The System controls screen appears.
2.
On the
System controls
screen, press UPS controls.
3.
Press the
Start charger
/
Stop charger
button.
6.6 UPM control instructions
6.6.1 Starting the UPMs
Make sure that load level does not exceed single UPM capacity.
To start an individual power module in double conversion mode:
1.
Unfasten the front door latch and swing the door open.
2.
Verify that rectifier input switches are closed if included inside the UPS system, and verify that
battery breaker is closed, and close the front door.
3.
Close the UPS input feeder circuit breaker.
4.
Close the UPS Bypass input feeder circuit breaker.
5.
Observe the UPS control panel becoming active, indicating logic power.
6.
Press the
Controls
button in the main menu. The System controls screen is displayed.
7.
On the System controls screen, the UPS status should indicate SHUTDOWN.
8.
Verify no alarms are active.
9.
On the System controls screen, press
Module controls
. Select module screen is displayed.
10.
Select the UPM you want to start
(UPM 1 - UPM 4)
.
11.
The UPM control screen is displayed and the UPM status should indicate SHUTDOWN.
12.
On the UPM control screen, select
Start module
.
13.
Verify the following messages display sequentially on the UPM status line:
READY
ACTIVE
The UPM rectifier and inverter turn on and the UPM will transfer to double conversion mode
and supply the critical load.
6.6.2 UPM shutdown
A single UPM in the system can be shut down only if it is redundant. In practice that means a UPM
is not allowed to be shut down if doing so would lead to an overload condition in the remaining UPMs
or UPSs in the system.
To shutdown a single UPM:
1.
Press the
Controls
button in the main menu. The System controls screen is displayed.
2.
On the System controls screen, press
Module controls
. Select module screen is displayed.
3.
Select the UPM you want to shut down
(UPM 1 - UPM 4)
.
