Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Permalert LiquidWatch Series
Summary of Contents for Permalert LiquidWatch Series
- Page 2 The information contained in this manual, including but not limited to any product specifications, is subject to change without notice. PERMALERT ESP (PERMALERT) PROVIDES NO WARRANTY WITH REGARD TO THIS MANUAL OR ANY OTHER INFORMATION CONTAINED HEREIN AND HEREBY EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE WITH REGARD TO ANY OF THE FOREGOING.
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Page 3: Table Of Contents
1.1 General Description ......................3 1.2 Applications ........................3 1.3 Receiving and Handling Precautions ................3 1.4 Material and Equipment Normally Supplied by PermAlert ..........3 1.5 Material and Equipment Normally Supplied by Contractor ..........4 LiquidWatch Installation ................5 2.1 Alarm Panel Installation .................... - Page 4 LiquidWatch Installation Manual LiquidWatch Operation ................25 5.1 General .......................... 25 5.1.1 Theory of Operation .................... 25 5.1.2 Power Up ......................25 5.1.3 Initial Display ....................... 25 5.1.4 Contrast Adjustment .................... 25 5.1.5 Clock Battery ....................... 25 5.1.6 Installation Instructions ..................26 5.2 Operating LiquidWatch ....................
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Page 5: Introduction
LiquidWatch Leak Detection Systems. Users (installers) should independently evaluate the suitability of this information and PermAlert’s products for their application and specific installation. If you received a PermAlert product that is not described in this manual, contact PermAlert for the appropriate instructions. -
Page 6: Material And Equipment Normally Supplied By Contractor
3. Hot air gun for shrink tube application on connector assemblies. NOTE: All probe lead and communication cable should be run in conduit to protect the cable from physical damage. In an area subject to strong electrical interference, grounded metal conduit is recommended. Contact PermAlert for additional information. -
Page 7: Liquidwatch Installation
LiquidWatch Installation Manual LiquidWatch Installation Alarm Panel Installation 1. The standard LiquidWatch alarm panel may be permanently mounted indoors or outdoors in an area with an ambient temperature of not less that 0°F and not exceeding 120°F. The enclosure must not be located in direct sunlight, to prevent excessive heat buildup. - Page 8 2 LiquidWatch Installation Figure 1 Component Layout for LiquidWatch Model LW64 Figure 2 Component Layout for LiquidWatch Model LW64-IS...
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Page 9: Internal Wiring
LiquidWatch Installation Manual Figure 3 Enclosure Dimensions Internal Wiring LiquidWatch is shipped with a 2 line x 20 characters LCD, a green LED (power), a red LED (alarm), and a horn on the door of the panel. The wiring for the horn is a 2-wire cable connected to a connector on the back of the LCD. -
Page 10: Intrinsically Safe - Ul/Cul
2 LiquidWatch Installation Intrinsically Safe - UL/CUL LiquidWatch LW64-IS is Listed by Underwriters Laboratories, Inc., for use in ordinary locations. LW64-IS provides intrinsically safe output circuits for use in Class 1, Division 1, Groups C and D hazardous locations when used with LiquidWatch sensor probes and installed in accordance with the instructions in this manual. -
Page 11: Probe Installation
3. A PermAlert LW-PA probe adapter connected to a customer supplied switch, if the switch operates as a simple dry contact closure with no external power supplied to the switch. The switch may operate as normally open or normally closed. - Page 12 16* or 14 1.0* or 1.5 * A #16 AWG ferrule is the largest size allowed connected to P2 on probe bank 1 on Model LW64-IS. PermAlert recommends using Eclipse Model 300-016 Wire Ferrule Crimp Tool or equivalent, available from PermAlert.
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Page 13: Probe Installation
Figures 7 and 8). (PermAlert can supply NEMA 4X junction boxes and cord grips.) 2. Mount a junction box or a remote probe module at a location close to the point being monitored. PermAlert supplies probes with 20 feet of probe lead cable, but additional lead cable may be used if necessary. - Page 14 3 Probe Installation Figure 7 Probe Adapter Installation Figure 8 Probe Installation...
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Page 15: Surge Suppressor
LiquidWatch Installation Manual Surge Suppressor An optional Surge Suppressor (Model LWSA, part no. 8027572) is available for installations where lightning strikes are prevalent in the vicinity of the LiquidWatch probes or probe wiring. The LWSA includes a 10” x 8” NEMA 4X enclosure. The suppressor reduces the possibility of an induced voltage in the cable, caused by a lightning strike, damaging the LiquidWatch panel. -
Page 16: Typical Installations
3 Probe Installation Typical Installations Figures 10 through 14 show typical installations. Contained Pipe Pressurized Contained Pipe Double-Wall Tanks Contained Area Figure 10 Typical PHLR-LW and PHLR-P-LW Probe Installations... - Page 17 LiquidWatch Installation Manual Figure 11 Typical PHL-LW and/or PWS-LW Probe Installation...
- Page 18 3 Probe Installation Figure 12 Typical PSTV-LW Tank Float Switch Installation...
- Page 19 LiquidWatch Installation Manual Figure 13 Typical PTHL-LW Float Switch Installation...
- Page 20 3 Probe Installation Figure 14 Typical PFS-LW Installation...
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Page 21: Phlr Hydrocarbon Probe
LiquidWatch Installation Manual PHLR Hydrocarbon Probe The PHLR series is a reusable hydrocarbon probe that detects hydrocarbon liquids in sumps, interstitial spaces of pipes and any other areas where hydrocarbon liquids can accumulate to a depth of ¼”. The probe is designed to detect fuels (gasoline, diesel fuel, jet fuel, crude oil, etc.) and many hydrocarbon solvents. -
Page 22: Testing The Phlr
3 Probe Installation evaporate, must be flushed with a solvent to remove the contamination. Disassemble and clean the probe as follows: 1. Remove excess hydrocarbon contamination from the exterior of the probe. 2. Hold the switch in a vertical position with the cap downward and unscrew the cap. It is suggested to do this over a table so the small parts are not lost if they are dropped. -
Page 23: Probe Tests
LiquidWatch Installation Manual Probe Tests All LiquidWatch probes change resistance when switched from the normal “Good” state to the “Active” state. The probe leads can be removed from the terminal strip and a probe tested with an ohmmeter according to the “resistance” columns in the following table: PROBE READING WITH PROBE ADAPTER INSTALLED NORMAL ACTIVE... -
Page 25: Output Relay Module Installation
P3 on one board to plug P2 on the next, etc. (see Figures 6 and 16). PermAlert also offers an optional ORP-16 Output Relay Panel. The ORP- 16 includes a 10” x 8” x 4” NEMA 4X enclosure and one RM-4 Relay Module. It is expandable to house a maximum of four RM-4s or 16 relays. - Page 26 4 Output Relay Installation Figure 16 ORP-16 Output Relay Panel...
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Page 27: Liquidwatch Operation
Theory of Operation LiquidWatch is a microprocessor based leak detection system that monitors the change in resistance of probes. PermAlert offers probes that detect hydrocarbon liquids, water-based conductive liquids, float switch level changes and contact closures of customer-supplied equipment. LiquidWatch is expandable and can monitor up to 64 probes and provide 16 output relays. -
Page 28: Installation Instructions
LiquidWatch displays “**” in the “seconds” location when the battery needs to be replaced. replacement battery, CR2025, is available from PermAlert. If the power is lost when the battery is low or the jumper is in the “OFF” position, the time and date information will be lost and the clock will be reset to 1/1/2000. - Page 29 LiquidWatch Installation Manual SETUP MENU TYPE NC CONTACT 3 OF 4 SETUP MENU TYPE NO CONTACT 4 OF 4 Next select which relay is switched when the selected probe is activated if an optional output relay module(s) is installed. If relay #00 is selected, then no output relays will be assigned to the selected probe.
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Page 30: Probe On/Off
5 LiquidWatch Operation Probe On/Off LiquidWatch uses the probe On/Off function to add or remove a probe from the list of monitored probes. To select the function, scroll through the Main Menu to function 2 and press “Enter”. MAIN MENU 2 OF 5 PROBE ON/OFF The first message displays the first setup probe. -
Page 31: Display Setup
LiquidWatch Installation Manual LiquidWatch archives 3 types of faults: PROBE # 01 ACTIVE “TIME” “DATE” PROBE # 01 BREAK “TIME” “DATE” PROBE # 01 SHORT “TIME” “DATE” When the history has scrolled to one end, the message is: END OF HISTORY NO MORE MESSAGES Return to the Main Menu at any time by pressing “M”. -
Page 32: Test Mode
5 LiquidWatch Operation MAIN MENU 5 OF 5 CONFIGURATION 5.7.1 Test Mode Function 1 in the Configuration Menu is Test Mode, which tests all relays, alarm and the front panel red LED. CONFIGURATION MENU 1 OF 8 TEST MODE To test the alarm, press the left arrow key. Press the right arrow to clear it. CONFIGURATION MENU LEFT TO TEST ALARM CONFIGURATION MENU... -
Page 33: Number Of Probes
3-wire cable, a short haul modem or a phone modem to the host PC running PALCOM. (See PermAlert’s “PALCOM Operating Manual” for further details.) If PALCOM is used, each LiquidWatch system must have a unique address or system I.D. To set the system I.D., select function 5 from the Configuration Menu. -
Page 34: Phone Number
5 LiquidWatch Operation CONFIGURATION MENU 6 OF 8 BAUD RATE Use the arrow keys to select the correct baud rate (usually 9600). Press “Enter” or “M” to set the rate and return to the Configuration Menu. CONFIGURATION MENU BAUD RATE – 9600 5.7.7 Phone Number A phone number must be entered if a LiquidWatch system is connected to the PALCOM computer by a... -
Page 35: Monitoring
LiquidWatch Installation Manual Monitoring Monitor LiquidWatch enters monitor mode after a 5-minute delay on power-up, if the “M” key is pressed from the Main Menu, or if no keys are pressed within a set time interval in one of the menu functions. The display alternates several messages when LiquidWatch is in this mode. -
Page 36: Alarm Silence Feature
6 Monitoring Alarm Silence Feature When any of the fault displays is shown, the Silence key can be pressed to silence the horn. The alarm silence feature resets after 12 hours if the fault is not corrected and reactivates the alarm. Output Relays When LiquidWatch detects a fault condition, it switches 1 or 2 relays. -
Page 37: Appendix
LiquidWatch Installation Manual Appendix System Testing It is recommended that the Liquidwatch system be tested at periodic intervals to insure that the system is operating properly. The following tests should be performed yearly or in accordance with Federal, State or other Local requirements that may require a shorter test interval. -
Page 38: Communications Options
Appendix Communications Options LiquidWatch can communicate with an external computer via an RS-232 port. PermAlert offers Windows-based PALCOM Communication software packages that can monitor 254 PAL-AT and LiquidWatch systems. In addition, software can be written by the customer to read the display and enter keypad data from a remote computer. -
Page 39: Troubleshooting
LiquidWatch Installation Manual Troubleshooting Noise Problems If a LiquidWatch system does not have proper earth grounding of the panels and shielded wires, electrical “noise” can cause intermittent alarms or toggling between normal and alarm states. This section will describe the procedure to troubleshoot a system with several Remote Probe Modules (RPM- 8) connected by 15-conductor communication cables (see Figure 6). - Page 40 Appendix Communication Cable Test Procedure 1. Check for noise on one probe on the bank that was just tested by running the noise test. 2. If the tested probe has stable readings (within +/- 5), the communication cable is good. Return to the Shielding Test Procedure above.
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Page 41: Warranty
Warranty ® Seller warrants that the LiquidWatch Leak Detection System (the "System") will be free from defects in materials and workmanship for a period of one year from the date of shipment by Seller to Buyer. Seller is not responsible for damage to the System occurring in transit or arising from the installation, alteration or repair of the System by persons other than Seller's employees, or from any abnormal or improper use of, negligence with respect to or accident affecting the System.