Eaton 91PS User Manual

11. In the System controls screen, press Module controls.
The Select module screen is displayed.
12. Select the UPM you want to start.
The UPM control screen is displayed. The UPM status is shown as
SHUTDOWN.
13. In the UPM control screen, select Start module.
14. Wait for the following messages to appear sequentially on the UPM status
line:
READY
ACTIVE
The UPM rectifier and inverter turn on and the UPM transfers to the double
conversion mode and supplies the critical load.
7.6.2 Shut down the UPMs
A single UPM in the system can be shut down only if it is redundant. In practice,
this means that 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 shut down a single UPM.
1. In the home screen, press Controls.
The System controls screen is displayed.
2. In the System controls screen, press Module controls.
The Select module screen is displayed.
3. Select the UPM you want to shut down.
4. In the UPM control screen, select Shut down module.
© Eaton Corporation plc 2020. All rights reserved. Revision: 006 Document ID: P-164000493 102
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Eaton 91PS/93PS UPS 8–40 kW User’s and Installation Guide

Eaton 91PS Specifications

General

Brand	Eaton
Model	91PS
Category	UPS
Language	English