Eaton 91PS User And Installation Manual

Also see for 91PS: Safety and installation quick guide Safety and installation quick guide User and installation guide User and installation guide

Contents

To shut down a single UPS:1. In the home screen, press Controls.The System controls screen is displayed.2. In the System controls screen, press UPS controls.3. In the UPS control screen, select Shut down UPS.7.6 Enabling and disabling the battery chargerTo turn the battery charger on or off, perform the following procedure:1. In the home screen, press Controls.The System controls screen appears.2. In the System controls screen, press UPS controls.3. Press the Turn on / Turn off button.7.7 Using the Remote Emergency Power-off switchA UPS emergency power-off is initiated by the EPO pushbutton switch. In caseof an emergency, you can use this switch to control the UPS output. The EPOswitch de-energizes the critical load and powers down the UPS immediatelywithout asking for verification. The UPS, including the static bypass switch,remains off until it is restarted.CAUTIONWhen the EPO switch is activated, all power to the critical load is lost. Usethis feature only in case of emergency.Note: The following instructions are for the EPO switch supplied by EatonCorporation. If you are using a customer-supplied EPO switch, it may notactivate in the same way. For operating instructions, see the documentationprovided with the switch.To use the EPO switch:1. Press the EPO pushbutton switch.The input, output, and bypass backfeed relays open, the battery breaker ordisconnect is tripped, and the power module is turned off immediately,without asking for verification.To restart the UPS after using the EPO pushbutton, reset the EPO switch andthen follow the procedure in Section7.3.1 or Section7.3.2.WARNINGDo not attempt to restart the system after using the EPO switch until theconditions for safe start-up have been confirmed.Eaton 91PS/93PS UPS 8-10 kW User's and installation guide© Eaton Corporation plc 2018. All rights reserved. Revision: 003 Document ID: P-164000672 81 (102)