10UPS Rear view9E15Ki/9E15KiXL/9E20Ki/9E20KiXLWith backpanel cover9E15Ki/9E15KiXL/9E20Ki/9E20KiXLWithout backpanel cover④ RS232 communication portand contacts ⑩ Input switch⑤ USB communication port ⑪ Cover for terminals⑥ Slot for optionalcommunication card ⑫ Terminals for I/O cable connection(refer to related section)⑦ Cooling fans ⑬ Earthing screws⑧ Output switch ⑭ Fuse⑨ Manual bypass formaintenance ⑮ Tie wrap hold-down

Eaton 9E20K-TH Manual

InTroduCTIon

UPS Standard Features

Tie Cabinet

Conventions Used in This Manual

Getting Help

SafeTy WarnIngS

uPS InSTallaTIon Plan and unPaCkIng

ups installation plan and unpacking

UPS System Power Wiring Preparation

Maintenance Bypass

UPS System Interface Wiring Preparation

Inspecting and Unpacking the UPS Cabinets

uPS SySTem InSTallaTIon

External Power Wiring Installation

Installing Interface Connections

Installing Parallel Pull Chain and CAN Control Wiring and Connections

Installing Mini-Slot Interface Connections

Installing a REPO Switch

Initial Startup

underSTandIng uPS oPeraTIon

Single UPS

High-Efficiency Mode

Bypass Mode

Battery Mode

Single UPS Unit System Oneline Configurations

understanding ups operation

uPS oPeraTIng InSTruCTIonS

Control Panel

Using the Control Panel

System Events

Using the LCD and Pushbuttons

Using the Menu

Display Menu Operation

System Controls

Single UPS Operation

Transfer from Normal to Bypass Mode

Transfer from Bypass to Normal Mode

Transfer from Internal Maintenance Bypass to Normal Mode (Optional on 80-120kVA)

Charger Control

Using the Remote Emergency Power-off Switch

Multiple UPS Parallel Operation

Starting the Parallel UPS in Bypass Mode

Single UPS Shutdown

Single UPS Restart

Battery Test

Using the UPS LOAD OFF Command

ups operating instructions

uPS maInTenanCe

Performing Preventative Maintenance

ANNUAL Maintenance

Installing Batteries

ProduCT SPeCIfICaTIonS

UPS Output

list of figures

list of tables

INTRODUCTION

Integrated Transformer Cabinet

Basic System Configurations

Symbols, Controls, and Indicators

SAFETY WARNINGS

UPS INSTALLATION PLAN AND UNPACKING

Battery Type

UPS SYSTEM INSTALLATION

Installing Power Terminal Cover Base

External Battery Cabinet Installation

Integrated Accessory Cabinet-Bypass Installation

Connecting Internal Battery Strings

installation checklist

UNDERSTANDING UPS OPERATION

UPS OPERATING INSTRUCTIONS

load off

Starting the UPS in Bypass Mode

Transfer from Standard Normal Mode to HE Normal mode

UPS and Critical Load Shutdown

UPS MAINTENANCE

Performing Preventive Maintenance

PERIODIC Maintenance

PRODUCT SPECIFICATIONS

Options and Accessories

Reduced Battery String Model

Using This Manual

For More Information

Sidecar Integrated Accessory Cabinet-Bypass

Installing Interface Wiring and Connections

Installing Mini-Slot Interface Wiring and Connections

Modes

UPS Internal Battery Plus External Battery Cabinet Runtimes (in Minutes) at Full load