Eaton EFX48 e-Fuse Series, Installation And Operation Manual

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Start-Up
Copyright © 2019 Eaton Corporation. All Rights Reserved.
IPN March 2019
71
Step 3 - Repeat for other rectifiers or fit blank panels
If not already fitted, fit rectifier blank panels in any vacant rectifier positions.
Procedure complete
Task 2 - Pre-Power-Up Checklist
Complete the checklist to confirm initial work is complete before progressing further.
All cabling is installed, securely tied and correctly insulated
Upstream surge protection is fitted (see Input Transient Protection on page 56)
Earth/Ground bonding is correct (see details on page 59)
Battery and load cabling has the correct polarity
A registered electrician or other suitable approved person has checked the integrity of the
installed cabling
All covers are in place and the empty rectifier slot (if appropriate) is covered with a blanking
panel
AC isolator/MCBs upstream are switched off
AC supply is isolated at each point of isolation leading back to the ac supply point
Equipment to be powered is switched off
Batteries are electrically isolated from the dc power system
The site is clean.
Task 3 - Connect to the AC Supply

•
A registered electrician (or suitably qualified person) must check the integrity of
the installed cabling, BEFORE the dc power system is powered up.
1
Connect the RM3-340/440 to the ac supply.
•
All rectifiers start up (after the startup delay).
•
The rectifier alarm LEDs will turn on for a short time. The rectifier yellow alarm LEDs
will flash.
•
The EFX48 e-Fuse unit with embedded system controller will turn on (display will light
up) shortly after the rectifiers start. The display will show system current and bus
voltage.
•
When the EFX48 e-Fuse unit has completed its start-up sequence (rectifiers are
registered) the rectifier yellow alarm LEDs will turn off.