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

Figure 9. Dimensions of Eaton 91PS/93PS UPS 8-10 kW4.3.2 UPS system power wiring preparationsNote: If you are installing a maintenance bypass, provide one of the following:- a minimum of 2 separate feeds with upstream feeder breakers- a single feed with 2 upstream feeder breakers: one for the UPS or rectifierinput breaker and one for the maintenance bypass input.Note:Do not use a single feed or a single feeder breaker to supply- the maintenance bypass and the UPS, or- the maintenance bypass and the rectifier input breaker.Note:If a bypass input breaker is installed in the maintenance bypass and a single-feed UPS is being installed, a single feed to the maintenance bypass isacceptable for supplying both the UPS and the bypass.When you plan and perform the installation, read and understand the followingnotes:• Refer to the national and local electrical codes for acceptable external wiringpractices.• To allow for future kVA upgrades (software), consider using conductors thatare sized for the full bypass rating of the UPS.• Material and labor for external wiring requirements must be provided bydesignated personnel.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 35 (102)