Multiple External Parallel System Operation - Eaton 93PM Installation And Operation Manual

UPS Operating Instructions
6.4

Multiple External Parallel System Operation

NOTE 1
NOTE 2
NOTE 3
NOTE 4
NOTE 5
NOTE 6
6.4.1 Starting the Parallel System in Double Conversion Mode
To start the UPS system:
1. Close all Module Output Breakers (MOBs).
2. Close the UPS input feeder circuit breaker.
3. If dual feed, close the UPS bypass feeder circuit breaker.
4. If IBCs are installed, close the battery breakers.
5. Observe the UPS control panel display becoming active, indicating logic power.
6. Verify no alarms are active.
7 . Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.
8. Tap the GO ONLINE button.
9. If requested, enter the Level 1 password. Default password is 1111.
The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.
Once the inverter reaches full voltage, all UPS inverter switchgear close and the static switches turn off.
Power is now supplied to the critical load in dual conversion mode from all UPSs. It takes approximately
one minute for the UPSs to achieve the dual conversion mode.
The Normal status indicator is illuminated.
6-24 Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6
If an Integrated Battery Cabinet (IBC) is installed, refer to the Eaton 93PM
Integrated Battery Cabinet Installation Manual – Large and Large High Rate, the
Eaton 93PM Universal Integrated Battery Cabinet Installation Manual-Large and
Large High Rate, the Eaton 93PM Integrated Battery Cabinet Installation
Manual-Small, or the Eaton 93PM Integrated Battery Cabinet-Small Welded IBC-SW
(432V and 480V) Installation Manual, listed in paragraph 1.8, for IBC battery
breaker location.
If an Sidecar Integrated Accessory Cabinet-Bypass (SIAC-B) is installed, refer to the
Eaton 93PM Sidecar Integrated Accessory Cabinet-Bypass Installation and
Operation (50 kW and 100 kW SIAC-B) Manual, listed in paragraph 1.8, for operating
instructions.
If an Sidecar Integrated Accessory Cabinet-Tie (SIAC-T) or Sidecar Integrated
Accessory Cabinet-Tie Bypass (SIAC-TB) is installed, refer to the Eaton 93PM
Sidecar Integrated Accessory Cabinet-Tie and Tie Bypass (50 kW and 100 kW
SIAC-T, and 50 kW and 100 kW SIAC-TB) Installation and Operation Manual, listed in
paragraph 1.8, for operating instructions.
If an Integrated Accessory Cabinet-Tie (IAC-T) is installed, refer to the Eaton 93PM
Integrated Accessory Cabinet-Tie (50 kW and 100 kW IAC-T) Installation and
Operation Manual, listed in paragraph 1.8, for operating instructions.
If an Integrated Accessory Cabinet-Distribution (IAC-D) is installed, refer to the
Eaton 93PM Integrated Accessory Cabinet-Distribution (50 kW, 100 kW, 150 kW,
and 200 kW IAC-D) Installation and Operation Manual, listed in paragraph 1.8, for
operating instructions.
This unit is a three-wire device. The loss of a single input phase will be considered a
complete loss of input power and discharge the battery to provide power to the
load.
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