EnerSys IMPAQ EI3-HN-4Y User Manual

AM-IMPAQ-OM
Rev AB October 2018
IMPORTANT
Read and understand your user’s manual before installing, operating or servicing this
product.
DO NOT DESTROY THIS BOOK
Model: EI1/EI3
IMPAQ™ Battery Charger
Owner’s Manual
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1-800-ENERSYS (1-800-363-7797)

EnerSys IMPAQ EI3-HN-4Y Specifications

General

Input Frequency	50/60 Hz
Output Voltage	12 VDC
Operating Temperature	0°C to 40°C
Storage Temperature	-20°C to 60°C
Charger Type	High-frequency
Battery Type	Lead Acid
Protection Features	Over Voltage, Short Circuit

Summary

Important Safety Instructions

Technical Information

Part Number and UL Model Number

Explains how UL model and part numbers define charger characteristics.

Installation

Electrical Connections

Procedures for safely connecting the charger's AC input power.

AC Circuit Protection and Breaker Chart

Requirements for branch circuit protection and a chart for breaker/fuse sizes.

Description of Operation

General Operation and Charging

Operating Instructions

Charging Modes

Control Panel

Control Panel Overview

Charging the Battery

Effective Charge Display

Fault Codes

Fault Display and Code Explanations

Shows fault codes, their critical status, cause, and solution.

Additional Fault Code Details

Lists additional fault codes like MOD DFC and DEF ID with their causes and solutions.

Maintenance and Service

Maintenance Requirements and Service Contact

Technical Specifications

1 kW Technical Specifications

Detailed specifications for 1 kW IMPAQ chargers, including part numbers and ratings.

1 kW Technical Specifications (Continued)

Continuation of detailed specifications for 1 kW IMPAQ chargers.

3.5 kW Technical Specifications

Detailed specifications for 3.5 kW IMPAQ chargers, including part numbers and ratings.

3.5 kW Technical Specifications (Continued)

Continuation of detailed specifications for 3.5 kW IMPAQ chargers.