Emerson MC68HC16Z1 - Manuals

Introduction 2 1.2 Outside Enclosure Overview The enclosure for the Liqui-tect panel’s controller board comes in two sizes: • The large enclosure is designed to accommodate the Transformer Module and future compo- nents, in addition to the controller board. • The small enclosure is built to hold the...

Introduction 3 1.3 Typical Sequence Figure 3 shows a typical sequence of how the Liqui-tect Monitoring System functions after detecting a leak, contamination or cable break in either Zone 1 or Zone 2. Responses depend on configuration settings. This example shows what happens when a leak is detected...

Introduction 4 1.4 Controller Board Overview The Liqui-tect panel’s controller board, as shown below, has connectors for two digital outputs for leak detection alarms, two digital outputs for cable break alarms, two inputs for leak detection cables and two analog outputs for connecting to a building...

Introduction 6 1.5 LED Indicators The Liqui-tect panel’s controller board has LED indicators that show the status of inputs, outputs and other board components. Table 2 LED indicators summary LED Color Description Power On/Off LED Pwr On Green Indicates whether power is connected Zone 1 & 2 Alar...

Installation 7 2.0 I NSTALLATION 2.1 Installation Considerations The Liqui-tect panel must be installed indoors and may be mounted on the surface of a wall or flush- mounted, depending on the user’s application and the type of wall the unit will be mounted on. The unit’s location must meet the follo...

Installation 8 2.2 Surface-Mounting the Liqui-tect Panel After determining where to place the unit, check to ensure that you have all the hardware required to install the panel on the surface of a wall. Obtain the needed tools and material. Required tools • Electric drill (if surface is too hard to ...

Installation 9 2.3 Flush-Mounting the Liqui-tect Panel The Liqui-tect panel may be flush mounted according to company practices—either with screws through the sides of the panel into wall supports or with hanging hardware that attaches to the back of the panel. After determining how and where to pla...

Installation 10 2.4 Connect Power to the Liqui-tect Panel The Liqui-tect panel requires 24VAC for proper operation. Liebert recommends using the optional Transformer Module manufactured by Liebert or another UL-approved Class 2 power unit to obtain proper voltage. If the power unit is not a Class 2 ...

Installation 11 2.4.2 Input and Output Power Connections - Large Enclosure Input Power Connections To connect electrical power to the Transformer Module:1. Install electrical wiring from utility power to the Transformer Module.2. Use copper wires only; proper wiring to use for power is 14/2 AWG copp...

Connections and Configuration 12 3.0 C ONNECTIONS AND C ONFIGURATION Input and output connections to the Liqui-tect panel may be made in any order—it is not necessary, for example, to make all input connections before making any output connections. Use copper conduc- tors only for all wiring. ! CAUT...

Connections and Configuration 13 3.1 Connecting Leak Detection Cable Inputs The leak detection cable inputs are found on the lower 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 ...

Connections and Configuration 14 3.1.2 Connecting Leak Detection Cable to the Connection Cable The connection cable has a black fitting on one end that will fasten securely to the fitting on one end of the leak detection cable—see Figure 8 . Push these ends together, being careful to insert the pro-...

Connections and Configuration 15 3. Once the cable passes the test, lay it in the pattern desired. Pay special attention to the following cable placement precautions. 4. Install the hold-down clips in pairs, as shown in Figure 10 , with the following considerations: a. The adhesive used to install t...

Connections and Configuration 16 3.2 Connecting Alarm Outputs The Zone 1 and Zone 2 alarm outputs, found in the top right corner of the Liqui-tect panel, provide a contact output for a leak and a cable break for each zone. As an example, the outputs may provide alarms to an auxiliary alarm panel or ...

Connections and Configuration 17 3.4 RS422 SiteScan Web Connector The Liqui-tect panel will interface with Liebert’s SiteScan Web enterprise monitoring system. SiteScan can be used to monitor the Liqui-tect panel from a host computer and silence the audible alarm. The terminal block connector, TB8, ...

Overview of Menus 18 4.0 O VERVIEW OF M ENUS The Liqui-tect panel displays the Opening Screen at startup, as shown in Figure 14 . If any alarms are active, the Current Alarm screen appears. (Pressing any key on the LCD keypad will silence the audible alarm.)If no alarms are present, the LCD screen w...

View Status Options 19 5.0 V IEW S TATUS O PTIONS The View Status menu allows any user to view the status 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 pres...

View Status Options 20 5.1 View Cable Status The Cable Status screens display the overall status of the cable con- nected to each of the two zones monitored by the Liqui-tect panel, as well as the length of the cable being monitored and the amount of cur- rent present in each cable. To view the stat...

View Status Options 21 5.2 View Alarm History The Alarm History Log contains up to 100 records of alarms that have occurred. Records are added to this log as alarms occur. To view the Alarm History Log: • From the Main Menu, use the arrows ↑↓ to choose View Status , then press Enter ↵. • From the Vi...

View Status Options 22 5.3 View Zone Trend The Zone Trend Log contains up to 288 records that are recorded at regular intervals (every 24 hours) to assist users with verifying opera- tional and troubleshooting problems. Records are added the beginning of the log as they occur.To view the Zone Trend ...

System and Control Options 23 6.0 S YSTEM AND C ONTROL O PTIONS The System and Control menu allows you to configure the Liqui-tect panel—setting up inputs and outputs and system features such as date and time. This menu also provides a vehicle for mapping points, clearing latched alarms and deleting...

System and Control Options 24 Figure 16 shows the main options available from the System & Control menu. Figure 16 Menu overview - 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...

System and Control Options 25 6.2 Setup System - Overview The Setup System screen displays six options that allow you to configure zones with cable, alarm outputs, the re-alarm delay time, log points to create a map and system details, such as changing the login password or the system date and time:...

System and Control Options 27 6.3.4 Auto Calibration The auto calibration feature is designed to allow compensation for the resistance tolerances in the two legs of the sensing wires.As soon as cable is connected, the panel begins calculating the cable length. Initiating the auto calibration feature...

System and Control Options 28 6.3.6 Set Up Sensitivity for Contamination Detection Each zone may be set up with a sensitivity level at which contamina- tion on the cable is detected. Examples are construction debris and dust. • The most sensitive setting is 20 µA—light contamination will trig- ger a...

System and Control Options 29 6.4 Setup System - Setup ZN2 Zone 2 The Liqui-tect panel has two independent zones—ZN1 and ZN2—that may be configured individually. Each zone can monitor up to 5,000 ft. (1524m) of leak detection cable.To configure the second zone: • In the Setup System Menu, choose Set...

System and Control Options 30 6.5 Setup System - Setup Alarm Outputs The Liqui-tect panel has six alarm outputs—three types for each zone: • Digital alarm output for cable break detection - a change in state indicates a broken cable or con- tamination on the cable • Digital alarm output for leak det...

System and Control Options 31 6.5.1 Specify Longest Cable Length You may specify the length of the longest cable connected to either of the 4-20mA alarm outputs. The default value is 0-1000 ft. (0-304.8m). Valid entries range from 0-500 ft. (0-152.4m) to 0-5000 ft. (0-1524m), as shown in the Maximum...

System and Control Options 32 Following are some similarities and differences 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 ...

System and Control Options 33 6.7 Setup System - Setup Mapmode Mapping involves measuring the exact 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 Sys...

System and Control Options 34 6.7.1 View 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 described in the previous section, 6.7 - Setup Sys- tem - Setup Mapmode . In the View Last Map mo...

System and Control Options 35 6.8 Setup System - Setup System Info The Setup System Info options allow users to: • Change Password —used for access to system setup functions • Change Date & Time/Automatic Daylight Saving Time —used to set the Liqui-tect panel’s date and time and to enable automa...

System and Control Options 36 6.8.2 Change Date & Time/Automatic Daylight Saving Time The Liqui-tect panel has a built-in, real-time clock that is backed up by an encapsulated lithium bat- tery and set up to adjust automatically for daylight saving time twice a year. The Setup System Info menu a...

System and Control Options 37 6.9 Reset Latched Alarms The Reset Latched Alarms menu allows you to clear any leak or 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 , th...

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 contains up to 100 records of alarms that have occurred. To delete all records from the Alarm History Log: Log In and Choose Clear Alarm History • Fr...

System and Control Options 39 6.11 Clear Zone Trend The Clear Zone Trend menu allows you 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 C...

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. 24...

The Company Behind the Products With over a million installations around the globe,Liebert is the world leader in computer protectionsystems. Since its founding in 1965, Liebert hasdeveloped a complete range of support andprotection systems for sensitive electronics: • Environmental systems—close-co...