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Infra struc ture Mana geme nt & Monit oring For Bu siness -Critic al C ontinuity™ Li eb er t ® AC 4 ™ User Ma nual.
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i T ABLE OF CONTENTS 1.0 I NTRODUCTI ON 1.1 Methods of Viewing and Configuring the Liebert AC4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Data Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii 6.0 S ILENCE A LARM & B ACKUP L OG F ILES (S ERVICE T ERMINAL I NTERFACE ) 6.1 Silence Alarm (Service Terminal Interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.2 Back Up Log Files (Service Terminal Interface only) .
iii A PPENDIX A-S ERVICE T ERMINAL I NTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 A.1 Comparison of Functions: LCD and Service Terminal Interface . . . . . . . . . . . . . . . . . . . . . . 51 A.2 Connecting to the Service Terminal In terface .
iv FIGURES Figure 1 Liebert AC4 enclosure—exte rnal features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 2 Liebert AC4 encl osure—internal features . . . . . . . . . . . . . . . . . . . . . . . .
Introd uction 1L i e b e r t ® AC4 ™ 1.0 I NTRODUCTION The Liebert AC4 is ideal for coordinated co ntrol of systems with redundant equipment, such as multiple environmenta l units or pumps.
Introd uction Liebert ® AC4 ™ 2 1.4 Out side Enclosure Overview The Liebert AC4 controller board come s in an enclosu re that is 2-3/ 4" deep and has a built-in li quid crystal display (LCD) an d a key lock, as shown in Figure 1 .
Introd uction 3L i e b e r t ® AC4 ™ 1.5 T ypical Configuration Figure 3 shows an example of external devices connected to the Lieber t AC4 controller board. There may be up to four devices connected to the four di gital inputs and four digital outputs.
Introd uction Liebert ® AC4 ™ 4 1.6 Controller Board Overview The Liebert AC4 controller board ha s connectors for four digital inpu ts an d four digital outputs, as shown below.
Introd uction 5L i e b e r t ® AC4 ™ I - Digital outp ut loss-of-power jumper One of four output jumpers. Each digital output has a jumper to set the fail-safe posi tion of the outp ut point when power fails. The OFF positio n makes the contact Normally Open (factory defa ult).
Introd uction Liebert ® AC4 ™ 6 1.7 LED Indicators The Liebert AC4 controller board has LED indicators that sh ow the status of inp uts, outputs and the common alarm T able 2 LED indicators summary.
Introd uction 7L i e b e r t ® AC4 ™ 1.8 T ypical Sequence Figure 4 shows a typica l sequence of how the Liebert AC4 functions after detecting a change in a monitored device.
Installation Liebert ® AC4 ™ 8 2.0 I NST ALLATION 2.1 Inst allation Considerations The Liebert AC4 must be installe d indoors and may be mounted on the surface of a wall or flush- mounted, depending on the user’s ap plication, the location of equipm ent to be connected and the type of wall the unit wi ll be mounted on.
Installation 9L i e b e r t ® AC4 ™ 2.2 Surface-Mounting the Liebert AC4 After dete rmining where to place the unit, check to ensure that yo u have all the hard ware required to install the panel on the surface of a wall. Obtain the needed tools and material.
Installation Liebert ® AC4 ™ 10 2.3 Flush-Mounting the Liebert AC4 The Liebert AC4 may be flush moun ted according to company practice s—either with screws thro ugh the sides of the panel into wall supports or with hang ing hardware that attaches to the back of the panel.
Installation 11 Liebert ® AC4 ™ 2.4 Connect Power to the Liebert AC4 The Liebert AC4 requires 24VAC for proper operation. Liebert recommends using the optional Transformer Module manufactured by Liebert or another UL-approve d class 2 power unit to obtain proper voltage.
Wiring and Connections Liebert ® AC4 ™ 12 3.0 W IRING AND C ONNECTIONS 3.1 Wiring S pecifications Input and output connect ion s to the Liebert AC4 may be made in any order—it is not necessary, for example, to make all i nput connections before maki ng any output connections.
Wiring and Connections 13 Liebert ® AC4 ™ 3.2 Connecting Digit a l Input s and Outputs The digital inpu ts and outputs are on the low er right side of the Li ebert AC4 printe d wiring assembly board. This se ction describes how to connect devi ces to the Liebe rt AC4’s inputs an d outputs.
Wiring and Connections Liebert ® AC4 ™ 14 3.2.2 Connecting Digit al Outputs The four digital outputs are foun d on the lower righ t side of the Liebe rt AC4 just above the in put terminal blocks, as shown at right. These outputs are numbered 1 through 4.
Wiring and Connections 15 Liebert ® AC4 ™ 3.3 Connecting Common Alarm Output s The common alarm relay, found in the top right corner of the Liebert AC4, permits the user to connect auxiliary notification equipment, such as lights, horns and sirens, to the L iebert AC4.
Overview of Menus Liebert ® AC4 ™ 16 4.0 O VERVIEW OF M ENUS There are two ways to access the Liebert AC4: the LCD on the front of the enclosure and the Service Terminal Interface, which is accessible throug h any computer using a communications program.
Overview of Menus 17 Liebert ® AC4 ™ 4.1 Opening Screen Overview The Liebert AC4 displays the Opening Screen at startup, as shown in Figure 7 . • If any alarms are active, the Current Al arm screen appears. (Pre ssing any key on the LC D keypad will silence the audib le alarm.
V i ew Status Options Liebert ® AC4 ™ 18 5.0 V IEW S TAT U S O PTIONS The View Status menu allows any user to view curre ntly active alarms , data stored in the alarm and event logs a nd the status o f all inputs a nd outputs. T he arrows ↑↓ are used to scroll through the menu.
V i ew Status Options 19 Liebert ® AC4 ™ 5.1 View Active Alarms The Active Alarm screen displa ys all alarms that are occurring, up to a maximum of 40. A Current Alarm screen appears automatica lly whenever an alar m occurs—except during setup. This s creen can display only the two most recent active alarms.
V i ew Status Options Liebert ® AC4 ™ 20 5.2 View Alarm Log The Alarm Log contains up to 99 reco rds of alarms that have occurred. Records are added to this log as alarms occur. To view t he Alarm Log: • From the Main Menu, use the arrows ↑↓ to choose View Status , then press Enter ↵.
V i ew Status Options 21 Liebert ® AC4 ™ 5.3 View Event Log In addition to alarms, the Lieb er t AC4 tracks other changes in the Event Log to assist users wi th veri fying operati onal and troubleshooting problems.
V i ew Status Options Liebert ® AC4 ™ 22 5.4 View Input S tatus The Input Status option allows you to view the current status of all four digital input s. To view the Input Status: • From the Main Menu, use the arrows ↑↓ to choose View Status , then press Enter ↵.
V i ew Status Options 23 Liebert ® AC4 ™ 5.5 View Output St atus The Output Status option allows you to view the current status of all four outputs. To view t he Output S tatus: • From the Main Menu, use the arrows ↑↓ to choose View Status , then press Enter ↵.
Silence Alarm & Backup Log Files (Service Terminal Interface) Liebert ® AC4 ™ 24 6.0 S ILENCE A LARM & B ACKUP L OG F ILES (S ERVICE T ERMINAL I NTERFACE ) This section de scribes two features that are availabl e in the Service Terminal Interfac e: • Silence Alarm • Backup Log Files 6.
Silence Alarm & Backup Log Files (Service Terminal Interface) 25 Liebert ® AC4 ™ 6.2 Back Up Log Files (Service T erminal Interface only) The Liebert AC4 maintains two type s of logs—alarm and event—that may be backed up to a remote computer.
Silence Alarm & Backup Log Files (Service Terminal Interface) Liebert ® AC4 ™ 26 5. At the top of the HyperTermina l window, shown below, click on Transfer , then on Receive File .
System and Control Options 27 Liebert ® AC4 ™ 7.0 S YSTEM AND C ONTROL O PTIONS The System and Control menu allows you to conf igure the Liebert AC4—se tting up inputs and outputs and system featur es such as date and time.
System and Control Options 2 8 Figure 9 shows the main opti ons available from the System & Cont rol menu. Figure 9 Menu overview - System an d Control menu Opening Screen LIEBERT AC4 DD-MON-YY HR:MM:SS VX.
System and Control Options 29 Liebert ® AC4 ™ 7.2 Setup System - Overview The Setup System screen displays six options that all ow you to configure input and output devices, the common alarm, and a.
System and Control Options Liebert ® AC4 ™ 30 7.3.1 Change Label (Name of In put) Each input has a de fault label (Device_1 , Device_2, etc.) that you may change to a more descri ptive name for ease in recognizin g alarms and events associated with the input.
System and Control Options 31 Liebert ® AC4 ™ 7.3.4 Set Up Alarmable Input s in Latched or Unlatched Mode Alarmable input points may be set up in Latched mode (Y), which requires the user to clear the Liebert AC4 alarms after an al arm has occurred, or Unlatched mode (N), in which alarms wil l automatically clear after a return-to-normal state.
System and Control Options Liebert ® AC4 ™ 32 7.4 Setup System - Setup Common Alarm The audible al arm sounds after the Li ebert AC4 detects an alarm condition in any input that has been defined as alarmable.
System and Control Options 33 Liebert ® AC4 ™ 7.5 Setup System - Setup Zones The Liebert AC4 has two zones that may be used to define differe nt areas—rooms or s ections of a room.
System and Control Options Liebert ® AC4 ™ 34 7.6 Setup System - Setup Output s The Liebert AC4 has four outputs that may be configured individually. These outputs correspond to the four numbered inputs. For e xample, Device_1 is the unit connected to In put 1 and to Output 1.
System and Control Options 35 Liebert ® AC4 ™ 7.6.2 Define Operating or S tandby Mode Each output may be defi ned as Operating (OP), Standby (ST), or Not Used (NU). This setting takes prec edence over any setting in the override menu (see 7.9 Override Output ).
System and Control Options Liebert ® AC4 ™ 36 7.7 Setup System - Setup System Info The Setup System Info options allow users to: • Change Passw ord —used for access to system setup functions .
System and Control Options 37 Liebert ® AC4 ™ 7.7.2 Set Date & T ime/Automatic Daylight Saving T ime The Liebert AC4 has a built-in real-time clock that is back ed up by an encapsulated lit hium battery and set up to adjust automaticall y for daylight sa vi ng time twice a year.
System and Control Options Liebert ® AC4 ™ 38 7.7.4 Backup and Upload Configuration File (Servic e T erminal Interface only) This operation may be performed only through the Se rvice Terminal Interface.
System and Control Options 39 Liebert ® AC4 ™ Back Up the Conf iguration File 8. At the prompt to Initiate a Ba ckup of Configuration File, enter Y (Yes - begin) or N (No - cancel). The current setting appears in brackets—[ N] in the following example.
System and Control Options Liebert ® AC4 ™ 40 Upload the Configuration File 13. At the prompt to Initiate an Upload of Configura tion File, enter Y (Yes - begin) or N (No - cancel). The current setting appears in brackets—[ N] in the following example.
System and Control Options 41 Liebert ® AC4 ™ 7.7.5 Factory Default s At any time, you may restore all default va lues for settings in the Liebert AC4 as it was shipped. The password is the sole exceptio n when reverting to the factory default settings.
System and Control Options Liebert ® AC4 ™ 42 To perform the update: 1. At the Perform Firmware Update prompt, enter Y (Yes - begin) or N (No - cancel). The current setting appears in brackets—[N] in the following example. 2. The firmware update is a two-step process—this step describes how to upload the file prog###.
System and Control Options 43 Liebert ® AC4 ™ 7.8 Setup Operation The Liebert AC4 operation features allow you to set up a rotation sequence to alternate which devices are operating and which are placed on Standb y, as well as test dev ices while in Standby mod e and specify what to do when a Standby device goes into alarm as it is powered up.
System and Control Options Liebert ® AC4 ™ 44 7.8.1 T urn Automatic Sequencing On or Off Use automatic sequencing to set up a schedule for rotation of redundant devices. For example, three devices might be in operating mode while a fourth device is in standby mode.
System and Control Options 45 Liebert ® AC4 ™ 7.8.2 T urn St andby T esting On or Off Standby testing permits scheduling an a utomatic operatio nal check of de vices in Standby mo de. When this feature is activated (ON), the Liebert AC4 tests all devices in Standby mode by put ting each device in operating mode for a designated time.
System and Control Options Liebert ® AC4 ™ 46 7.8.4 Specify Hold Dela y Time After an output chan ges state, th e hold delay timer directs the Liebert AC4 to ignore all inputs in the same zone for th e specified time. This delay is the amount of time that must elapse before the Liebert AC4 acknowledges a change of state in any input.
System and Control Options 47 Liebert ® AC4 ™ 7.9 Override Output The Override Output feature allows you to manually change the state of any di gital output to ON or OFF, overriding automatic control by the Liebert AC4 (the default setting for all outputs).
System and Control Options Liebert ® AC4 ™ 48 7.10 Clear Alarms & Logs The Clear Alarms & Logs menu allows you to clea r active alarms or delete all records from either of the Liebert A C4 alarm and event logs.
Specifications 49 Liebert ® AC4 ™ 8.0 S PECIFICATIONS 8.1 Liebert AC4 Specifications Power Requirements 24VAC ±10% of nominal 50/60 Hz 1.3A, 30VA NOTE If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.
Specifications Liebert ® AC4 ™ 50.
Service T erminal Interface 51 Liebert ® AC4 ™ A PPENDIX A- S ERVICE T ERMI NAL I NTERFACE The Service Terminal Interface allows access to all functi ons of the Liebert AC4, including some that are not possible through the LCD interface.
Connecting to the Service Terminal Interface Liebert ® AC4 ™ 52 A.2 C ONNECTING TO THE S ERVICE T ERMINAL I NTERFACE This section describes how to set up and connect to the Service Terminal Interface.
Connecting to the Service Terminal Interface 53 Liebert ® AC4 ™ A.2.1 Create a Connection Before connecting to the Service Terminal Interfac e, you must create a connectio n and specify the method to be used for connection, as described in th e followi ng steps.
Connecting to the Service Terminal Interface Liebert ® AC4 ™ 54 Properties Setup 9. Open the Properties wi ndow by clicking on File , then on Properties , as shown below left.
Connecting to the Service Terminal Interface 55 Liebert ® AC4 ™ A.2.2 Connect to the Service T erminal Interface After creating and setting up a connection, use a communic ations program such as HyperTerminal to access the Liebert AC4’s Service Terminal Interface.
Overview of Menus Liebert ® AC4 ™ 56 A.3 O VERVIEW OF M ENUS The Main Menu offers choices for vi ewing the status of the Liebert AC 4, silencing the a udible alarm and backing up the unit’s log f iles. It also allows access to the System and Cont rol features, which require a password.
Vi e w St a t u s M en u s 57 Liebert ® AC4 ™ A.4 V IEW S TAT U S M ENUS The View Status menu allows any user to view curre ntly active alarms , data stored in the alarm and event logs a nd the status o f all inputs an d outputs. Main Menu After connecting to the Service Terminal Interface, the Main Menu appears, as shown below.
Vi e w St a t u s M en u s Liebert ® AC4 ™ 58 A.4.2 View Alarm Log For details on this feature, see 5.2 - View Alar m Log . V iew Alarm Log ALARM LOG Alarm history DEVICE_1 ALAR M CONTACT CLOSE D 2.
Vi e w St a t u s M en u s 59 Liebert ® AC4 ™ A.4.3 View Eve nt Log For details on this feature, see 5.3 - View Event Log . A.4.4 View Inp ut St atus For details on this feature, see 5.
Vi e w St a t u s M en u s Liebert ® AC4 ™ 60 A.4.5 View Output S tatus For details on this feature, see 5.5 - View Output Status . Vi e w O ut p ut S t a t u s OUTPUT STATUS Output status to devic.
Silence Alarm & Back Up Log Files (Service Terminal Interface only) 61 Liebert ® AC4 ™ A.5 S ILENCE A LARM & B ACK U P L OG F ILES (S ERVICE T ERMINAL I NTERFACE ONLY ) This section presents two option s from the Main Menu that are av ailable via the Service Terminal Interface only.
Silence Alarm & Back Up Log Files (Service Terminal Interface only) Liebert ® AC4 ™ 62 A.5.2 Back Up Log Files (Service T erminal Interfa ce only) For details on this feature, see 6.
Setup Menu 63 Liebert ® AC4 ™ A.6 S ETUP M ENU The Setup menu allows the user to configure the Liebert AC4—setting up in puts, outputs and system features such as date and time, as well as operatio n options such as a rotation sequence a nd standy testing.
Setup Menu Liebert ® AC4 ™ 64 Setup Menu This section presents Service Terminal In terface screens for ea ch of the following: * Setup System Information features are: • Change Password • Set D.
Setup Menu 65 Liebert ® AC4 ™ A.6.1 Setup Input s For details on this feature, see 7.3 - Setup System - Setup Inputs . Setup Inputs SETUP INPUTS Setup input of device Select input t o edit INPUT DE.
Setup Menu Liebert ® AC4 ™ 66 A.6.2 Setup Common Alarm For details on this feature, see 7.4 - Setup System - Setup Common Alarm . A.6.3 Setup Zones For details on this feature, see 7.
Setup Menu 67 Liebert ® AC4 ™ A.6.4 Setup Output s For details on this feature, see 7.6 - Setup System - Setup Outputs . Setup Outputs SETUP OUTPUTS Setup output o f device Select output to edit OU.
Setup Menu Liebert ® AC4 ™ 68 A.6.5 Setup System Info This section presents Service Terminal Interface s creens for choices 1 throug h 9 in the Setup System Information menu show n below. For details on this topic, see 7.7 - Setup System - Setup System Info .
Setup Menu 69 Liebert ® AC4 ™ Set Date & T ime/Automatic Daylight Saving T ime For details on this feature, see 7.7.2 - Set Date & Time/Automatic Daylight Saving Time .
Setup Menu Liebert ® AC4 ™ 70 Backup and Upload Configuration File (Servic e T erminal Interface only) For details on this feature, see 7.7.4 - Backup and Upload Config uration File (Service Termi- nal Interface only) .
Setup Menu 71 Liebert ® AC4 ™ Factory Default s For details on this feature, see 7.7.5 - Factory Defaults . Backup & Upload Configuration File - Upload BACKUP AND UPLO AD CONFIGURATIO N FILE Ba.
Setup Menu Liebert ® AC4 ™ 72 Firmware Up date (Service T erminal Interface only) For details on this feature, see 7.7.6 - Perform Firmware Update (Service Terminal Interfac e only) .
Setup Menu 73 Liebert ® AC4 ™ A.6.6 Setup Operation For details on this feature, see 7.8 - Setup Operation . Auto Sequencing For details on this feature, see 7.
Setup Menu Liebert ® AC4 ™ 74 St andby T esting For details on this feature, see 7.8.2 - Turn Standby Testing On or Off . Setup Operation - S tandby T esting SETUP OPERATIO N Select operation to ed.
Setup Menu 75 Liebert ® AC4 ™ Failed S t andby For details on this feature, see 7.8.3 - Specify Failed Standby Response . Hold Delay For details on this feature, see 7.
Setup Menu Liebert ® AC4 ™ 76 Rest art Delay For details on this feature, see 7.8.5 - Specify R estart Time . A.6.7 Override Output For details on this feature, see 7.
Setup Menu 77 Liebert ® AC4 ™ A.6.8 Clear Alarms & Logs For details on this topic, see 7.10 - Clea r Alarms & Logs . Clear Active Alarms For details on this feature, see 7.10.1 - Clear Activ e Alarms . Clear the Alarm Log For details on this feature, see 7.
Setup Menu Liebert ® AC4 ™ 78 Clear the Event Log For details on this feature, see 7.10.3 - Clear the Event Log . Clear Alarms & Logs - Clear the Event Log CLEAR ALARMS& LOGS Clear active a.
Specifications Liebert ® AC4 ™ 50 NOTES.
Specifications 51 Liebert ® AC4 ™.
Specifications Liebert ® AC4 ™ 52.
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Ensuring The Hi gh A vai labilit y Of Mission-Critic al Dat a And App lic ations. Emerson Net work Po wer , a business of Emerson (NYSE:EMR), is the global leader in enabling Business-Critic al Continuit y ™ from grid to chip f or telecommunication networks, data centers, health care and industrial facilities.
Ein wichtiger Punkt beim Kauf des Geräts Emerson AC4 (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Emerson AC4 noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Emerson AC4 - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Emerson AC4 reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Emerson AC4 erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Emerson AC4 besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Emerson AC4 verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Emerson AC4. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Emerson AC4 gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
