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Liebert
Control Unit
AC4
Liebert AC4 User Manual
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Table of Contents
Table of Contents
3
Introduction
7
Methods of Viewing and Configuring the Liebert AC4
7
Data Logs
7
Available Alarms
7
Outside Enclosure Overview
8
Typical Configuration
9
Controller Board Overview
9
LED Indicators
11
Typical Sequence
13
Installation
15
Installation Considerations
15
Unpacking and Preliminary Inspection
15
Surface-Mounting the Liebert AC4
16
Mounting the Panel
16
Flush-Mounting the Liebert AC4
17
Mounting the Panel
18
Connect Power to the Liebert AC4
18
Wiring and Connections
21
Wiring Specifications
21
Connecting Digital Inputs and Outputs
22
Connecting Digital Inputs
22
Connecting Digital Outputs
23
Setting the Digital Output Jumpers
23
Connecting Common Alarm Outputs
24
RS232 Connector
24
Overview of Menus
25
Opening Screen Overview
26
Main Menu Overview
26
LCD Menu Overview
27
View Status Options
29
View Active Alarms
31
Active Alarms
31
View Alarm Log
32
Alarm Log
32
Backing up the Alarm Log (Service Terminal Interface Only)
33
View Event Log
33
Event Log
33
Backing up the Event Log (Service Terminal Interface Only)
34
View Input Status
35
Input Status
35
View Output Status
36
Output Status
36
Silence Alarm & Backup Log Files (Service Terminal Interface)
37
Silence Alarm (Service Terminal Interface)
37
Back up Log Files (Service Terminal Interface Only)
37
System and Control Options
41
Login
41
Setup System - Overview
44
Setup System - Setup Inputs
44
Change Label (Name of Input)
45
Define Input as Normally Open or Normally Closed
46
Define Input as Alarmable or Event
46
Set up Alarmable Inputs in Latched or Unlatched Mode
47
Set up Delay Time
47
Setup System - Setup Common Alarm
48
Setup System - Setup Zones
48
Set up a Zone
49
Setup System - Setup Outputs
50
Define Output as Normally Open or Normally Closed
51
Define Operating or Standby Mode
51
Enable or Disable an Output Device in Alarm Status
51
Configure Output for Loss of Power ("Fail-Safe")
52
Setup System - Setup System Info
52
Change Password
53
Set Date & Time/Automatic Daylight Saving Time
53
Setup Site ID
54
Backup and Upload Configuration File (Service Terminal Interface Only)
54
Factory Defaults
57
Perform Firmware Update (Service Terminal Interface Only)
57
Setup Operation
60
Turn Automatic Sequencing on or off
60
Turn Standby Testing on or off
61
Specify Failed Standby Response
63
Specify Hold Delay Time
63
Specify Restart Time
64
Override Output
64
Clear Alarms & Logs
66
Clear Active Alarms
66
Clear the Alarm Log
66
Clear the Event Log
66
Specifications
67
Liebert AC4 Specifications
67
4
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Liebert AC4 Specifications
General
Brand
Liebert
Model
AC4
Category
Control Unit
Language
English
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