User guide

TABLE OF CONTENTS

QUICK OPERATION .................................................................................................. Back Cover

HOW TO READ THE AT30 MODEL NUMBER .............................................Inside Front Cover

IMPORTANT SAFETY INSTRUCTIONS ......................................................................................i

1 Receiving and Installing the AT30 Battery Charger

1.1 Storing the AT30 ....................................................................................................2

1.2 Reporting shipping damage ...................................................................................2

1.3 Unpacking and inspecting the AT30 ......................................................................2

Inspection checklist ................................................................................................2

1.4 Moving the AT30 ....................................................................................................3

Enclosure type and weight table ............................................................................3

1.5 Mounting the AT30.................................................................................................4

1.5.1 Floor-Mounting the AT30 (standard)................................................................4

1.5.2 Wall-Mounting the AT30 (optional) ..................................................................6

1.5.3 Rack-Mounting the AT30 (optional).................................................................8

1.6 Changing the transformer taps.............................................................................10

1.7 Making the ac input connections..........................................................................12

1.8 Making the dc output connections........................................................................14

1.9 Wiring the AT30 for remote sensing.....................................................................16

1.10 Wiring to the remote alarm contacts ....................................................................18

Auxiliary Relay Board (optional)...........................................................................19

1.11 Installing the temperature compensation probe (optional)...................................20

Using temperature compensation ........................................................................22

1.12 Installing the AT30 for remote communications (optional)...................................23

1.13 Installing the AT30 for forced load sharing (optional) ..........................................23

2 Operating the AT30 Battery Charger

2.1 Starting the AT30

2.1.1 Understanding the start-up sequence............................................................24

2.1.2 Checking the installation................................................................................24

2.1.3 Starting the AT30...........................................................................................24

Using the digital meter ...................................................................................24

Factory settings table.....................................................................................25

2.2 Using the AT30 front panel features

2.2.1 If the meter displays an error message .........................................................26

2.2.2 Selecting the meter mode..............................................................................26

2.2.3 Selecting the Float or Equalize mode............................................................27

2.2.4 Choosing the Equalize method......................................................................27

Manual Timer method....................................................................................27

Manual Equalize method ...............................................................................28

Auto-Equalize Timer method .........................................................................28

2.2.5 Testing the front panel indicators...................................................................29

2.2.6 Testing the Auxiliary Relay Board (optional) .................................................29

2.2.7 Interpreting the alarm indicators ....................................................................29