Emerson MC68HC16Z1 manuale d’uso

M ONITORING L IQUI - TECT M ONITORING S YSTEM U SER M ANUAL[...]

[...]

i T ABLE OF CONTENTS 1.0 I NTRODUCTI ON 1.1 Equipment Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Outside Enclosure Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 Typical Sequence . . . . . . . .[...]

ii 6.4 Setup System - Setup ZN2 Zone 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 9 6.5 Setup System - Setup Alarm Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 6.5.1 Spe cify Longest Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Introd uctio n 1 1.0 I NTRODUCTION The Liebert Liqui-tect Monitoring System is the ultimate in leak detection and retr ofitting capabili- ties for computer rooms and other large areas. The Liqui-tect Monitoring Syst em provides direct-read at the control unit location, as well as the abili ty to communicate with the Liebert SiteScan Web enterprise [...]

Introd uctio n 2 1.2 Out side Enclosure Overview The enclosure for the Liqui-tect panel’ s controller board comes in two sizes: •T h e large enclosure is designed to accommo date the Transformer Module and future compo- nents, in addition to the controll er board. •T h e small enclosure is built to hold the controller board only. Both enclosu[...]

Introd uctio n 3 1.3 T ypical Sequence Figure 3 shows a typical se quence of how the Liqui-tect Monitoring System fu nctions afte r detecting a leak, conta mination or cabl e brea k in either Zone 1 or Zone 2. Responses depend on configuration settings. This example shows wh at happens when a leak is de tected. Figure 3 Example of typical sequenc e[...]

Introd uctio n 4 1.4 Controller Board Overview The Liqui-tect panel’s co ntroller board, as shown be low, has connectors for two digital outputs for leak detection alarms, two digital out p uts for cable break alarms, two inputs for l e ak detection cables and two analog outputs for co nnecting to a building management sy stem. The board comes co[...]

Introd uctio n 5 H-S t a t u s L E D s Indicates the operation al status of the panel. 1.5: LED Indicators I - 4/20mA ou tput (Zone 2) Provides the distance liquid is detected, normal status and cable fault. Used to provide status to a building managemen t system or remote monitoring system. 3.0: Connections and Config uration 3.3: Connecting to a [...]

Introd uctio n 6 1.5 LED Indicators The Liqui-tect pan el’s controller bo ard has LED in dicators that s how the status of inputs, ou tputs and other board components. T able 2 LED indicators summary LED Color Description Power On/Off LED Pwr On Green Indicates whether powe r is connected Zone 1 & 2 Alarm Outputs LEDs K1 – Zone 1 Leak Detec[...]

Installation 7 2.0 I NST ALLATION 2.1 Inst allation Considerations The Liqui-tect panel must be instal led indoors and may be mounted on the surf ace of a wall or flush- mounted, depending on the user’s appli cation and th e type of wall the unit will be mounted on. The unit’s location must me et the following criteria: • The panel must be pl[...]

Installation 8 2.2 Surface-Mounting th e Liqui-tect Panel After dete rmining where t o 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 need ed tools and material. Required tools • Electric drill (i f surface is too ha rd to drive screws without pilot h oles) • S[...]

Installation 9 2.3 Flush-Mounting the Liqui-tect Panel The Liqui-tect panel may be fl ush mounted accord ing to company practices—either with screws through the sides of the pa nel into wall supports or with hangin g hardware that attaches to the back of the pan el. After dete rmining how and where to place the unit, che ck to ensure that you hav[...]

Installation 10 2.4 Connect Power to the Liqui-tect Panel The Liqui-tect panel requires 24VAC for proper op eration. Liebert recomme nds using the optional Transformer Module manufa ctured by Liebert or another UL-approve d Class 2 power uni t to obtain proper voltage. If the power un it is not a Cl ass 2 circuit, it mu st be protecte d with an IEC[...]

Installation 11 2.4.2 Input and Output Power Connections - Large Enclosure Input Power Connections To connect el ectrical power to the Transformer Module: 1. Install electrical wi ring from util ity power to the Transformer Modu le. 2. Use copper wires only; prope r wiring to use fo r power is 14/2 A WG copper wire with ground. 3. For the TM230 onl[...]

Connection s and Configuration 12 3.0 C ONNECTIONS AND C ONFIGURATION Input and output connect ion s to the Liqui-tect panel may be made in any order—it is not n ecessary, for example, to ma ke all inpu t connections be fore making any output connections. Use copper conduc- tors only for all wiring. ! CAUTION Be sure that the power wiring is disc[...]

Connection s and Configuration 13 3.1 Connecting Leak Detection Cable Inputs The leak detection cable inputs are found on the lowe r right side of the Liqui- tect panel’s printed wir- ing assembly board. There are two terminal blocks for the inputs; the lower terminal block is for the Zone 1 cable and the terminal block above it is for a second l[...]

Connection s and Configuration 14 3.1.2 Connecting Leak Detection Cable to the Connecti on Cable The connection cable has a black fitt ing on one end that will fasten se curely to the fitting on one end of the leak detection cable—see Figure 8 . Push the se ends together, being care ful to insert the pro- truding ends of the leak detectio n ca bl[...]

Connection s and Configuration 15 3. Once the cable passes the test, la y it in the pattern desired. Pay special attention to the following cable placement precautions. 4. Install the hold-down clips in pairs, as shown i n Figure 10 , with the following considerations: a. The adhesive u sed to install the hold-dow n clips must NOT come in contact w[...]

Connection s and Configuration 16 3.2 Connecting Alarm Output s The Zone 1 and Zone 2 alarm outputs, found in the top right corner of the Liqui-tect panel, provide a contact outpu t for a leak and a cable break for each zone. As an example, the outputs may provide alarms to an auxili ary alarm panel or building ma nagement sys- tem. To determine th[...]

Connection s and Configuration 17 3.4 RS422 SiteScan Web Connector The Liqui-tect panel will interfa ce wi th Liebert’s SiteSc an Web enterprise monitoring system. SiteScan can be used to monit o r the Liqui-tect panel from a host computer an d silence the a udible alarm. The terminal block conn ector, TB8, is on the bottom edge of the board, nea[...]

Overview of Menus 18 4.0 O VERVIEW OF M ENUS The Liqui-tect panel displa ys the Opening Screen at startup, as shown in Figure 14 . If any alarms are active, the Current Alarm screen appears. (Pressi ng any key on the LCD keypad will silence the audib le alarm.) If no alarms are present, the LCD screen will al ternately display the Opening Screen an[...]

V iew Status Options 19 5.0 V IEW S TAT U S O PTIONS The View Status menu allows any user to view the st atus of cables in both zones, an alarm history log and a trend log for both zones. The arrows ↑↓ are used to scroll through the menu. The Enter ↵ key is used to select the menu item. This section presents step-by- step instructions for eac[...]

V iew Status Options 20 5.1 View Cable S tatus The Cable Status screens display th e overall status of the cable con- nected to each of the two zones moni tored by the Liqui-tect panel, as well as the length of the cable be ing monitored and the amount of cur- rent present in each cable. To view the status of the cable: • From the Main Menu, use [...]

V iew Status Options 21 5.2 View Alarm History The Alarm History Log contains up to 100 records of al arms that have occurred. Records are added to this log as alarms occur. To view t he Alarm Histor y Log: • From the Main Menu, use the arrows ↑↓ to choose View Status , then press Enter ↵. • From the View Status Menu, use the arrows ↑?[...]

V iew Status Options 22 5.3 View Zone T rend The Zone Trend Log contains up to 288 records that are recorded at regular intervals (every 24 hours) to assist us ers with verifying opera- tional and troubleshoot ing problems. Records are added the b eginning of the log as they occur. To view the Zone Tren d Log: • From the Main Menu, use the arrows[...]

System and Control Options 23 6.0 S YSTEM AND C ONTROL O PTIONS The System and Control menu allows you to config ure the Liqui-te ct panel—s etting up inputs and outputs and system featu res such as date and time. This menu also pro vides a vehicle for mapp ing points, clearing latched alarms and deleti ng records from the Liqui-tect panel’s al[...]

System and Control Options 24 Figure 16 shows the main options availabl e from the System & Control menu. Figure 16 Menu ov erview - System and Control menu Opening Screen LIQUI-TECT PANEL DD-MON-YY HR:MM:SS VERSION X.X.X PRESS ↵ =STATUS/SETUP Main Menu VIEW STATUS > SYSTEM AND CONTROL ↑↓ =NEXT ↵ =SELECT Login Screen LOGIN AAAA ↑?[...]

System and Control Options 25 6.2 Setup System - Overview The Setup System screen displays six options that allow you to config ure zones with cable, alarm outputs, the re-alarm delay time, lo g points to create a map and system deta ils, such as changing the login password or the system date and time: • Setup ZN1 Zone 1 • Setup ZN2 Zone 2 • [...]

System and Control Options 26 6.3.1 Identify the Zone as Connected To make use of the zone ZN1, you mu st specify it as Connected (Y). By default, ZN1 is Not connected (N). See 3.1 - Connecting Leak Detec- tion Cable Inputs for instructions on connecting the cable to this zone. • From the Setup Zone 1 Menu, choose Connected , as shown at right, a[...]

System and Control Options 27 6.3.4 Auto Calibration The auto calibration feature is desi gned to allow compensation for the resistance tolerances in the two legs of the sensing w ires. As soon as cable is conn ected, th e panel begins calcula ting the cable length. Initiating the au to calibration feature allows the user to mod- ify the distance t[...]

System and Control Options 28 6.3.6 Set Up Sensitivity for Cont amination Detection Each zone may be set up with a se nsitiv ity level a t which cont amina- tion on the cable is detected. Examples are construction debris and dust. • The most sensit ive setting is 2 0 µA—light conta mination wi ll trig- ger an alarm. • The least sensitive set[...]

System and Control Options 29 6.4 Setup System - Setup ZN2 Zone 2 The Liqui-tect p a nel has two inde pendent zones—ZN1 and ZN2—that may be con figured ind ividually . Each zone ca n monitor up to 5,000 ft. (1524m) of le ak detection cable. To configure the second zone: • In the Setup System Menu, choose Setup ZN2 Zone 2 (see above right). ?[...]

System and Control Options 30 6.5 Setup System - Setup Alarm Output s The Liqui-tect panel has six alarm outputs—three types for eac h zone: • Digital alarm output for cabl e break detection - a change in state indica tes a broken cable or con- tamination on the cable • Digital alarm output for leak detection - a change in state indicates a l[...]

System and Control Options 31 6.5.1 Specify Long est Cable Length You may specify the lengt h of the longest cable connected to either of the 4-20 mA alarm outpu ts. The default value is 0-1000 f t. (0-304.8m). Valid entri es range from 0-500 ft. (0-152.4 m) to 0-5000 ft. (0-1524m), as shown in the Maximum Cable Length screen, below right. Select t[...]

System and Control Options 32 Following are some similarities an d differ ences between Latched and Unlatched alarms. Liqui-tect System’ s Response to Alarms - Both Latched and Unlatched When a leak or cable break is detected: • An alarm occurs, • A record is created in the Alarm History Log and • The leak-detected or cable-break alarm outp[...]

System and Control Options 33 6.7 Setup System - Setup Mapmode Mapping involves measuring the exac t location of various points along the leak detection cable. This greatly simplifies the use of the Liqui-tect Monitoring System to quickly pinpoint the location of a leak. The Liqui-tect Monitoring System de termines the location of a leak by computi[...]

System and Control Options 34 6.7.1 Vie w Last Map The View Last Map option allows you to review the mapped points from the last mapping of a zone. This feature is the data logger for the mapmode process d escribed in the p revious sectio n, 6.7 - Setup Sys- tem - Setup Mapmode . In the View Last Map mode, the Li qui -tect panel shows the mapped di[...]

System and Control Options 35 6.8 Setup System - Setup System Info The Setup System Info options allow users to: • Change Passw ord —used for access to system setup functions • Change Date & Ti me/Automatic Daylight Saving Time —used to set the Liqui-tect panel’s date and time and to enab le automatic time change for Daylig ht Saving [...]

System and Control Options 36 6.8.2 Change Date & Tim e/Automatic Daylight Saving Time The Liqui-tect panel has a built -in, real-time clock that is backed up by an encapsulated l i thium bat- tery and set up to adjust automati cally for daylight saving time tw ice a year. The Setup System Info menu allows you to change the date or ti me or aut[...]

System and Control Options 37 6.9 Reset Latched Alarms The Reset Latched Alarms menu allows you to clear an y leak o r fault alarms that have been defined as latched. To clear latched alarms: Log In and Choose Reset Latched Alarm • From the Main Menu, use the arrows ↑↓ to choose System and Control , then press Enter ↵ (see 6.1 - Login for h[...]

System and Control Options 38 6.10 Clear Alarm History The Clear Alarm History menu allows you to delete all records from the Alarm History Log, which contai ns up to 100 records of alarms that have occurred. To delete all records from the Alarm History Log: Log In and Choose Clear Alar m History • From the Main Menu, use the arrows ↑↓ to cho[...]

System and Control Options 39 6.1 1 Clear Zone T rend The Clear Zone Trend menu allows yo u to delete all records from the Zone Trend Log, which contains up to 288 records. These records are created every 24 hours to assist in troubleshooting. To delete all records from the Zone Trend Log: Log In and Choose Clear Zone T rend • From the Main Menu,[...]

Specifications 40 7.0 S PECIFICATIONS 7.1 Liqui-tect Panel Specifications Power Requirements Small Enclosure Large Enclosure NOTE LPS0240 115VAC LPL1150 230VAC LPL2300 If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. 24VAC ± 10% of nominal; 50/60 Hz, 0.3A, 8VA 115VAC [...]

Specifications 41 NOTES[...]

Specifications 42[...]

[...]

The Comp any Behind the Products With over a million installations around th e globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of support and protection systems fo r sensitive electronics: • Env ironmental systems—close-control air conditioning from 1 to 60 to[...]