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System and Control Options

Liebert

AC4

™

7.6 Setup System - Setup Outputs

The Liebert AC4 has four outputs that may be configured individually. These outputs correspond to

the four numbered inputs. For example, Device_1 is the unit connected to Input 1 and to Output 1.

The output name is the same as the input name, as described in

7.3.1 Change Label (Name of Input).

To configure an output:

• From the Main Menu, use the arrows

↑↓ to choose System and

Control, then press Enter ↵ (see 7.1 Login for help).

• Enter your password at the Login screen.

• From the System and Control Menu, use the arrows

↑↓ to choose

Setup System, then press Enter ↵.

Select an Output to Configure

• From the Setup System Menu, shown at right, use the arrows

↑↓ to

choose Setup Outputs and press Enter ↵.

• From the Select Output Menu, choose an output—for example,

Device_1—and press Enter ↵.

Table 17 shows digital output features and their default settings: you

may define an output as normally open or normally closed, set the device’s mode—operating, standby

or not used—and specify whether to disable the device when an alarm occurs.

Use the steps following Table 17 to change the default settings for any digital output.

7.6.1 Define Output as Normally Open or Normally Closed

Each output may be set up as Normally Open (NO) or Normally Closed

(NC). The default setting for all output points is NO (Normally Open).

• From the Setup Outputs Menu, shown at right, use the arrows

↑↓

choose Norm Open/Close and press Enter ↵.

• To change the normal state for this output, use the arrows

↑↓ to

choose the state:

• NO (Normally Open)

• NC (Normally Closed)

• Press Enter ↵.

Table 17 Default settings - digital outputs

Feature Default Other Options

NORM OPEN/CLOSE NO (Normally open) NC (Normally closed)

MODE

Outputs 1-3:

Output 4:

OP (Operating)

ST (Standby)

OP (Operating)

ST (Standby)

NU (Not Used)

IN ALARM E (Enable) D (Disable)

Setup System Menu

SETUP INPUTS

SETUP COMMON ALARM

SETUP ZONES

↑↓=NEXT ↵=SELECT

> SETUP OUTPUTS

SETUP SYSTEM INFO

SETUP OPERATION

Select Output Menu

SELECT OUTPUT

> DEVICE_1 NO-OP-E

DEVICE_2 NO-ST-E

↑↓=NEXT ↵=SELECT

DEVICE_3 NO-NU-D

DEVICE_4 NO-NU-D

Setup Outputs Menu

SETUP DEVICE_1

> NORM OPEN/CLOSE: NO

MODE: OPERATING

↑↓=NEXT ↵=SELECT

IN ALARM: ENABLE

Change State

SET TO NORMAL OPEN

OR NORMAL CLOSE? NO

↑↓=NO/NC ↵=END