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

7.2 Signing inIf the level 1 password is enabled, you need to sign in.1. Press the lock icon in the top right corner of the screen.2. Type in your password and press OK.You are signed in.3. Press Continue to return to the previous screen.You have 3 attempts to type in the password. If an incorrect password is givenmore than 3 times, you need to wait for 30 minutes before trying again.To modify the user settings, you need to enter the level 2 password. For thedefault passwords, see Section7.1.4.1.7.3 System control instructions7.3.1 Starting the UPS system in the double conversion modeThe UPS system can consist of a single UPS or several parallel UPSs. UPSswith their MOB open are not considered as part of the system.To start the UPS system:1. Make sure the UPS input and bypass (if dual feed) feeder circuit breakersare ON position.2. Turn the mains switch RIS and the bypass switch BIS (if installed) ONposition.3. Open the UPS front door.4. Turn the battery breaker CB1 ON position. Make sure the breakers inexternal battery cabinets are ON.5. Make sure that there are no active alarms on display.6. In the home screen, press Controls.The System controls screen appears.7. Select UPS controls (Single UPS) or System controls (UPS system).8. Press GO online button. Confirm GO online.The UPS system is now operating in the double conversion mode. The greenstatus indicator for normal operation is lit in all the UPSs in the system.7.3.2 Starting the UPS system in the bypass modeCAUTIONIn the bypass mode, the critical load is not protected from mains powerinterruptions and abnormalities.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 76 (102)