
System and Control Options
7.2Setup System - Overview
The Setup System screen displays six options that allow you to configure input and output devices, the common alarm, and a variety of system details, such as login password and system date and time:
•Setup Inputs
•Setup Common Alarm
•Setup Zones
| • Setup Outputs | Setup System Menu | |||||
| • Setup System Info | ||||||
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| > SETUP INPUTS | ||||||
| • Setup Operation | ||||||
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| SETUP COMMON ALARM | |||||
7.3 | Setup System - Setup Inputs |
| SETUP ZONES | ||||
| ↑↓=NEXT | ↵=SELECT | |||||
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| The Liebert AC4 has four digital input points that may be configured |
| SETUP OUTPUTS |
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| SETUP SYSTEM INFO | |||||
| individually. These inputs may have a wide variety of Liebert or other |
| SETUP OPERATION | ||||
| manufacturers’ equipment connected. |
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| To configure a digital input: | Select Input Menu | |||||
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| SELECT |
| INPUT | |||
| Log In and Choose Setup System |
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| > DEVICE_1 |
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| • From the Main Menu, use the arrows ↑↓ to choose System and |
| DEVICE_2 |
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| ↑↓=NEXT |
| ↵=SELECT |
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| Control, then press Enter ↵ (see 7.1 Login for help). |
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| DEVICE_3 | |||||
| • Enter your password at the Login screen. |
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| DEVICE_4 |
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•From the System and Control Menu, use the arrows ↑↓ to choose Setup System, then press Enter ↵.
Select a Digital Input to Configure
•From the Setup System Menu, shown at right, use the arrows ↑↓ to choose Setup Inputs and press Enter ↵.
•From the Select Input Menu, choose an
Table 13 shows the digital input features you may change, along with the default settings: you may change the name of the input, define it as normally open or closed, and specify it as alarmable or as an event.
•Alarmable inputs may be defined as either Unlatched or Latched.
•Event status allows you to monitor a digital input’s
•You may also specify a time delay before the Liebert AC4 responds to an alarm or event.
Use the steps following Table 13 to change the default settings for any digital input.
Table 13 Default settings - digital inputs
Feature | Default | Other Options |
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LABEL | DEVICE_1 | Any name (up to eight characters) |
NORM OPEN/CLOSE | NO (Normally open) | NC (Normally closed) |
ALARM/EVENT | AL (Alarmable) | EV (Event) |
LATCHED | L (Latched) / Y (Yes)* | NL (Unlatched) / N (No)* |
DELAY | 00:01 (1 second) | Any time (in minutes and seconds) from 00:00 to 99:59 |
* NOTE: Different abbreviations are used to designate a digital input as Latched or Unlatched as shown below.
| Settings - Select Input Menu | When configuring an input |
| (see Section 7.3) | (see Section 7.3.4) |
Unlatched | NL (Not Latched) | N (No, not latched) |
Latched | L (Latched) | Y (Yes, latched) |
29 | Liebert® AC4™ |