- Smith-Root
Contents
1. STAGE 2 Timed Constant Voltage Mode The charge is electronically controlled with a fixed voltage ceiling which prevents excess battery gas emission and over charging STAGE 3 Float Standby Mode In this mode a fixed ceiling of 2 3 volts per cell will be maintained by monitoring and replacing battery standing losses as necessary Full electronic protection is provided against short circuit and reverse battery connection READ THESE INSTRUCTIONS BEFORE USING THE CHARGER The battery charger is only designed for indoor use and should not come into contact with water or dust In order to avoid overheating the charger should not be covered when it is in use Chargers filled with molding material are splash proof but must not be immersed in water over long periods of time The mains socket should be easily accessible If an operational error occurs the plug should be immediately removed from the socket The charger contains dangerous voltages and the cover should not be removed All service or maintenance work should be carried out by qualified personnel who can get assistance by contacting the manufacturer s agent A fuse protects the product against short circuiting and overloading The charger is designed for charging lead batteries For safety reasons individual battery types should have a minimum capacity Recommended battery capacity 6V 4 12Ah 12V 3 12Ah 24V 1 5 12Ah Contact the battery manufacturer for the specific2. what happened and make the necessary procedural or equipment changes before proceeding 2 Know how to administer first aid treatment for electrical shock 3 Wear flotation devices 5 Disconnect the power supply when the electrofisher is not in use 19 Never electrofish with spectators on shore Electric fields can travel large distances through buried pipes metal culverts and metal sheet piling If spectators DON TS show up during electrofishing a d cm and explain what you are doing Explain the risks to them being there and ask them to please leave for their own safety If they refuse to leave stop electrofishing load your equipment and leave the area 1 Don t electrofish alone 2 Don t continue to electrofish if your boots or gloves get wet inside 20 WARNING Operating this equipment in manner not specified in this manual or with accessories not approved by Smith Root Inc may impair the protection offered by the equipment 3 Don t operate an electrofisher if you have had any prior heart ailments 4 Don t electrofish when you are tired 2011 14 LR 20 LR 20B ELECTRICAL SHOCK It is the current that passes through the human body that does the damage The voltage is relevant because it is the force that pushes the current through the body Experiments show that 20 to 500 Hz AC current is more dangerous than DC or higher frequencies of AC The voltages used by electro
3. battery Do not attempt to charge batteries that are not rechargeable 17 www smith root com Battery Care and Maintenance cont TO CHARGE BATTERIES 1 The charger and battery should be placed in a well ventilated area during charging 2 Do not connect the charger to the mains before it is connected to the battery 3 Verify that the polarity 15 correct and connect the charger cable Red to red black to black 4 Connect the charger to the mains 5 When charging is finished disconnect the charger from the mains before you disconnect the charge from the battery WARNING Explosive gases can arise while charging Avoid sparks and open flames Verify that there is adequate ventilation while charging The charger should not be used in the vicinity of flammable gases Avoid chargers with plastic casing coming into contact with oils grease etc as most types of plastic can be broken down by chemicals and solvents LED S INDICATE FOLLOWING CHARGE STATUS FAST CHARGE The charger is in constant current mode Charge current is at its maximum FINAL CHARGE The charger is in constant voltage mode Charge current is less than its maximum The battery is normally 80 95 charged The charger stays in this mode until the charge current decreases to charge termination level FLOAT STANDBY READY The charger is in standby mode The battery is fully charged The LED changes to green The charge volta
4. of being charged E and discharged from 100 up to 1 000 times depending on o 10 a the depth of the discharge and the type of charger used B 6 ud 28 Service life shelf life are both adversely affected by 7 ML m warmer temperatures 2 K 4 5 min 10 30 60 2hr 5 1020 Discharge time Fig 7 6 Discharge curves for 12Ah and 7Ah batteries BATTERY STORAGE 100 3 to 6 per month Storage temperature above a 20 68 F should be avoided Shelf life can be increased by B 90 storing at lower temperatures but store at above 30 C to 5 40 prevent freezing Batteries should be fully charged before 8 E storing and should be recharged every four months 0 Deg C 20 30 40 50 60 Deg F 68 86 104 122 140 Ambient temperature Fig 7 7 Effect of temperature on battery life a EFFECTS OF TEMPERATURE E The temperature at which a battery is used also affects the P relative capacity of the battery Figures 7 7 and 7 8 show 3 that in cold weather shocking time will be less and 5 40 battery will have less capacity 10 Deg 20 0 20 40 60 Deg 40 4 32 68 104 140 Ambient Temperature Fig 7 8 Effect of temperature on capacity 21 www smith root com USER S MANUAL ELECTRODES Battery Maintenance amp Diagnostic Equipment MC 24 MAINTENANCE CHARGER The Smith Root MC 24 Maintenance Charger sold separately is specifically designed for proper battery ma
5. Ah this reason batteries should never be allowed to remain in a discharged state Recharge as soon as possible after each use Service Life Batteries which have been properly maintained should last 3 to 5 years depending on ambient temperature depth of discharge D O D and number of cycles for Smith Root batteries to maintain at least 80 of original capacity they are rated 230 cycles for 100 D O D 470 cycles for 50 D O D or 1100 cycles for 3096 D O D Batteries which have reached this end of life condition may still be useful where shorter operating times are appropriate Shipping These batteries conform to the UN2800 classification as Batteries wet non spillable electric storage They conform to the International Air Transport Association Special Provision A67 classifying them as non dangerous goods and are therefore exempt from the subject regulations for dangerous goods and are acceptable for Fig 7 4 24V 2 2Ah transport on both cargo and passenger aircraft tery 06682 l 24V 7AH Bat Reference IA T A Dangerous Goods Regulations 35th Edition Jan 1 1994 Section 44 Special Provisions 1 9 www smith root com Battery Maintenance amp Diagnostic Equipment BATTERY TIPS amp PRECAUTIONS 1 Keep the battery charged The most frequent cause of battery failure is not recharging after each use 2 Heat kills batteries Avoid storage in exceedingly warm areas Recommended operati
6. USER S MANUAL R 20B B ACI PACIQELECTROFISHER Includes model LR 20 200w 09441 04 LR 20B BACKPACK ELECTROFISHER Operation and maintenance CONTENTS Introd ction 5 eere cete 1 Overview senso etre e cens 2 Controls amp Connectors sse 4 Pack frame 5e nter RR iden 6 Cable Strain Relief Clips 7 Op ration innseee etae et dre eti ide 8 Safety Features 9 Electrofishing Safety 11 Battery Care amp Maintenance 13 Battery Maintenance amp Diagnostic equipment 19 Electrode Pole Testing 20 Cathode Testing 21 Electrode Cathode Tester 21 LR 20B Operation 22 Cleaning amp Maintenance 22 Model 12 15 Settings Chart 23 24 Items manufactured by companies other than Smith Root carry the original manufacturer s warranty Please contact product manufacturer for return instructions All Smith Root Inc manufactured products are covered by a one year warranty Credit amp Refund Policy Customers returning equipment in new condition will be given credit within five days from the date of the return A return authorization must accompany returns Valid equipment returns include but are not limited to ordering incorrect equipment funding deficits and defective equipment returned for reimbursement All returns are subject t
7. alone To prevent electrical shock all electrical equipment should be carefully inspected before each field operation With all electrical equipment in good operating condition and all insulation junction boxes bonding and connections intact there is much less danger of receiving an electrical shock 15 www smith root com USER S MANUAL BATTERIES BATTERY CARE AND MAINTENANCE 16 LR 20 LR 20B Battery Care and Maintenance Dimensions 6 5 W x 5 25 H x 6 0 D Weight ment 9 5 165 UBC 24 Charger 04954 CAUTION Old sulphated batteries usually have a reduced capacity and are difficult to charge The charge current will fall quickly as if the battery had received a full charge Even though a battery in this condition should be replaced it will retain a small charge If mounted in a vehicle the charger can only be used when the vehicle is not in use CHARGER DESCRIPTION The UBC 24 Battery Charger is designed to charge Batteries for the LR 24 LR 20 Series and earlier Smith Root 24V models Electrofisher Systems The 24 is a truly automatic charger tailored for maintenance free batteries as well as other types of lead acid batteries The UBC 24 has a fully automatic three stage charge sequence with an electronically timed routine and a desulfation mode STAGE 1 Constant Current Mode The charger starts with maximum current until the battery reaches a preset voltage
8. ble pointing away from the backpack CONTROL CONNECTOR Located on the bottom right center of the electrofisher the small black 4 socket connector provides the low voltage control connection to the pole switch This connector has a locating lug that assures that the control connector can only be connected one way The proper connection for the control connector is with the cable pointing away from the backpack IMMERSION SENSOR Located on the bottom left corner of the enclosure behind the cathode connector The output of the electrofisher is automatically deactivated when these contacts come in contact with water NOTE Although the immersion sensor is located above the battery tray of the LR 20 do not submerge the battery doing so will cause damage to the battery and the electrofisher FRONT COVER The clear window cover of the control panel allows easy observation of the controls and display To open the cover release the over center latches at the top and bottom right corners of the electrofisher NOTE The front cover must be closed and latched before the output of the unit can be activated 2011 4 LR 20 LR 20B CONTROLS amp CONNECTORS Cont FRONT PANEL CONTROLS AND INDICATORS TIMER RESET Located on the upper right corner of the front panel This switch allows the user to reset the 6 digit seconds timer back to 0 DUTY CYCLE Located on the upper left center of the front panel This switch controls the per
9. centage of time the output FREQUENCY DUTY CYCLE pulse is on out of the time from the start of one output pulse to the start of the next output pulse When the duty cycle is set to FES DC the electrofisher puts out a constant DC voltage determined uu by the voltage range switch FREQUENCY Located on the upper left of the front panel This switch controls the output frequency or pulses per second of the electrofisher When the duty cycle switch is set to DC Gated Burst 2 pulse or Gated Burst 3 pulse this switch has no effect on the output of the electrofisher VOLTAGE RANGE DISPLAY Located in the top center of the front panel The NET NC LR 20 e display shows the number of seconds the output of the LR 20 Hanoi has been active since the last timer reset the output voltage and current and a fuel gauge type display of the battery voltage A ATTENTION FRONT COVER MUST BE CLOSED FOR UNIT TO OPERATE The backlight of the LCD display is always on when the GATHODE CONTRO mmm ANODE electrofisher is on this allows easy viewing of the display even in deep shadows without the need to open the front cover and LR 20 LR 20B FRONT PANEL Top to bottom left to right Frequency Duty Cycle knobs Timer Reset turn on another switch Button Display Window Voltage Range Switch Audio Alarm Warning Light VOLTAGE RANGE SWITCH Located on the left side of the front panel This 11 position switch controls t
10. d with fine steel wool To maximize battery life always connect batteries to their charger as soon as possible after use Resist the temptation to put a net on Anode rings Nets have the following very undesirable characteristics 1 They present a safety hazard since it can place the operator s hands unnecessarily close to the electrode when removing fish 2 The intensity of the electric field increases as the fish to electrode distance decreases Therefore the risk of injury to the fish is greatly increased with the use of an Anode ring net 3 They make the Anode ring more difficult to clean CLEANING AND MAINTENANCE The LR 20 enclosure and suspension system may both be cleaned with warm water and a mild soap solution Spray the solution on the area to be cleaned and then wipe with a soft cloth CAUTION Do not use solvents on the case of the LR 20 as they may cause permanent damage to the LR 20 EXTENDED MAINTENANCE PROGRAM The extended maintenance program is a service contract offered to customers who have purchased SRI electrofishing equipment directly from our factory It can be purchased for equipment that is past its standard one year warranty Older equipment is subject to eligibility parameters such as hours years in service Our Smith Root factory technicians will perform cleaning of internal component parts electronic repairs and calibration once 1 per year During this maintenance period upgrades to current specifica
11. ff cover To turn the unit on raise the cover and push the switch up to the on position To turn the unit off press down on the red emergency off cover ANODE CONNECTOR Located on the bottom right corner of the electrofisher the large black 2 socket connector provides the high voltage connection for the anode electrode This connector has a locating lug that assures the anode pole can only be connected one way The proper connection for the anode pole is with the cable pointing away from the backpack BATTERY POWER CONNECTOR Located on the bottom left center of the electrofisher this red and black color coded connector provides power to the unit from the battery To connect a battery to the electrofisher match the colors on the battery connector to the colors on the battery s connector red to red and black to black AN disconnecting a battery to the unit make sure the power switch is in the off position failure to do so may cause damage to the battery and the electrofisher WARNING Reversing the connectors VAN will damage the electrofisher and may cause serious injury or death CAUTION Before connecting or CATHODE CONNECTOR Located on the bottom left corner of the electrofisher the large black 2 socket connector provides the high voltage connection to the cathode electrode This connector has a locating lug that assures the cathode can only be connected one way The proper connection for the cathode is with the ca
12. ff opposite shoulder strap 4 This will allow the pack to fall away from you very quickly Move away from pack as it falls CABLE STRAIN RELIEF CLIPS Bil 8 Fig 2 Right side 4 Fig 3 Left side These clips are designed to prevent the anode and cathode cables from traveling beyond their recommended range of motion and to relieve undue strain on the connector plugs Make sure that the ring mounted swivel clip on either side of the packframe 15 attached to the electrode cables as shown in Figs 1 3 Using the rings and clips in the manner indicated will transfer the weight of the electrode cables to the packframe and offset the possibility of damaging either cable or their respective connectors WARNING Without Cable Strain Relief Clips the anode and cathode connectors or their cords could become damaged 2011 8 LR 20 LR 20B BACKPACK ELECTROFISHER OPERATION Make sure the Electrode ring is clean and shiny cloudy dull gray Electrode ring will reduce your catch per unit effort and will increase the injury rate of fish Initial setup of voltage frequency and duty cycle should be done outside of your sample area to avoid influencing your statistics Battery Connector Immersion Sensor 1 Make sure the power switch on the side of the control unit is in the off position pressed down Attach the anode and cathode to their output connectors Attach the smaller connector on the anode cable to t
13. fishing gear cause can death by one of three means Ventricular Fibrillation Ventricular fibrillation is uncoordinated contraction of the muscles of the heart The heart quivers rather than beats Electrical current through the chest can cause this condition Once a person goes into ventricular fibrillation the only way to stop the quivering is to use a defibrillator that applies a pulse shock to the chest to restore heartrhythm Cardiopulmonary resuscitation may help to keep a victim alive until he can be defibrillated Respiratory Arrest The respiratory center is at the base of the skull Thus shocks to the head can cause the breathing to stop Artificial respiration by the mouth to mouth method should be used in this case Asphyxia Asphyxia is caused by contraction of the chest muscles When a current is above a certain level a person cannot let go of an electrically hot wire Currents above this level may not cause ventricular fibrillation but may be enough to cause contraction of the chest muscles If the current is not stopped or the victim is not removed from the point of electrical contact asphyxia will result Artificial respiration or cardiopulmonary resuscitation may be necessary PREVENTING ELECTRICAL SHOCK Electricity needs to have a complete electrical circuit in order for current to flow The only way that you can get shocked is if you become the electrical conductor to complete the circuit The cu
14. ge is at standby level which means the charger can continue to be connected to the battery The charger can return to rapid charging if the battery is used 2011 18 LR 20 LR 20B Battery Care and Maintenance cont BATTERIES The electrofisher uses a 24 volt sealed deep cycle battery Understanding the proper care of this battery will reduce problems in the field Batteries should never be allowed to remain in a discharged state and should be recharged as soon as possible after use Batteries should be charged until the green lamp on the charger comes on Charging Problems Some older batteries may not charge within 24 hours If a battery has been left in a discharged condition for a while it may not take a charge If you suspect that the battery has been left discharged charge it for 48 hours and then discharge it with the electrofisher If the battery is not taking a charge it will not operate the electrofisher for very long Sometimes by cycling the battery a few times it will start taking a charge again Note that all batteries should be charged after each use even if the battery was only slightly discharged these batteries do not have a memory Total number of charge discharge cycles possible varies inversely with depth of discharge on each cycle Over discharging or completely discharging the battery will greatly reduce the cycles possible and a battery left in a discharged condition may be ruined For Fig 7 3 24V 7
15. he control connector of the unit Be sure you know the location of the quick release buckles for the backpack and unlatch the chest strap before entering or crossing the water Check with each crew member to be sure they know you are ready to turn on the power Connect the battery Turn on the power Do not press the anode switch Check the operation of the tilt switch by bending forward until the tilt switch activates about 55 degrees and the tilt message appears on the display Straighten up and the status display should return If the tilt message does not appear do not use the electrofisher send it to Smith Root for repair Place a dampened cloth on the immersion sensor contacts located on the lower left hand corner of the control unit s box behind the cathode connector The display should show the immersion warning When the cloth is removed and the power is turned off and back on the display should return to the status screen If the immersion message does not appear do not use the electrofisher send it to Smith Root for repair www smith root com OPERATION OPERATION Cont 9 Set the frequency duty cycle and voltage switches to the values you wish to use If you don t know what values to use OUTPUT CONTROL set the switches as shown below and follow the procedure 6 in the next step NOTE The front cover of the electrofisher SE pc must be closed to activate the output Frequency 15 H
16. he output voltage of the electrofisher Voltages between 50 and 990 volts may be selected WARNING LIGHT Located in the bottom center of the front panel Wide viewing angle high brightness red LED s flash once per second whenever 30 volts or more are present between the anode and cathode and also when the unit is first switched on AUDIO ALARM Located on the right side of the front panel A high volume audio alarm with volume shutters provides additional warning whenever 30 volts or more are present between the anode and cathode In addition the beep rate gives an indication of the power being drawn by the unit It also sounds when the unit is first switched on 5 www smith root com Er U _ gt ES BATTERY INSTALLATION BATTERY INSTALLATION To ensure operator and unit safety as well as the life of the battery care must be taken to make sure that the battery is installed correctly The easiest way to install the battery is to place the electrofisher on the ground or similar safe dry surface rather than on the operator s back A Start by placing the LR 20B on the ground orienting the battery inside with its bottom on the wall towards the packframe and centering it towards the bottom B Lay the battery inside the battery tray handle up so that the power connectors are closest to the control box C The handle should fit inside the corresponding notch in the front of the tray Pass the batte
17. intenance and storage Trickle charging optimizes battery shelf life by reducing cell deterioration Keeping batteries fully charged can greatly increase battery life The MC 24 eliminates the hassle of shuffling batteries from shelf to charger and keeps batteries properly charged and ready for service With the built in battery evaluation load test function and maximum charge indicators you can see the state of charge and condition of each battery and identify low charged and worn out batteries Charging batteries using the 24 takes between two and four days It is also an excellent cost effective alternative to purchasing multiple battery chargers because it can recharge four batteries at once BAT 01 BATTERY ANALYSIS TOOL The Battery Analysis Tool sold separately operates in conjunction with the BC 24PS Battery Charger It tests all models of 24 V backpack batteries adaptors included and in a clear and concise manner gives usable battery life remaining This tool is not to be used during each charge discharge cycle zt SH BATUL Bauen Ana ysi but rather is intended to be used a few times a year just prior to actually using the batteries It may also be used to accurately test any Smith Root 24 Volt battery where the battery condition is either unknown or is questionable In practice The Battery Analysis Tool is plugged into a standard Smith Root BC 24PS and also the battery under test The batter
18. ll batteries for damage Never use a damaged battery as the gelled electrolyte in these batteries is a strong acid and can cause severe chemical burns and damage clothing and the electrofisher Use only dip nets with non conductive handles Never use an anode as a net as it is extremely dangerous to other members of the crew and can cause severe injury to any fish caught with it Never electrofish alone Never electrofish when you are tired 13 www smith root com SAFETY 15 Never try to reach into deeper pools with the electrodes SAFETY DO S AND If you can t safely wade in an area it cannot be DON T S electrofished with a backpack electrofisher 16 Only one person on a crew can order the power for the electrofisher to be turned on and that person is DO S the crew leader The crew leader is responsible for the safety of everyone on the crew 1 Always be sure that all personnel are clear of the electrodes before turning on the power 17 Any member of the crew can call for or turn off the power to the electrofisher 18 Ifan accident occurs stop electrofishing and turn off the power to the Electrofisher The person wearing the backpack Electrofisher should leave the water and take the Electrofisher to shore The remaining members of 4 Have electrical circuits checked the crew should help or attend to the accident victim only by qualified technicians Get help for the injured person if necessary Evaluate
19. nection to the pole switch CONTROL AN ODE CATHODE CONNECTOR Provides the high voltage current a fuel gauge type display of the battery voltage heat Clockwise LCD display Power down cover connection to the cathode electrode sink temperature and waveform settings AUDIO ALARAM Provides loud audio warning whenever 30 volts or more are present between the anode and cathode and also when the unit is first switched on WARNING LIGHT Flashes once per second whenever 30 volts or more are present between the anode and cathode and also when the unit is first switched on Emergency Shutdown Switch VOLTAGE RANGE SWITCH Controls the output voltage Output Frequency and Duty of the electrofisher Voltages between 50 and 990 volts may be Cycle switches Cover Latch selected IMMERSION SENSOR Automatically turns the output off when water bridges the sensing contacts ANODE CONNECTOR Provides the high voltage connection for the anode electrode CATHODE POWER Left to right Cathode connector power cord control connector anode connector BATTERY CONNECTOR Provides power to the unit from the battery COVER LATCH AND SENSOR Two over center toggle latches secure the front cover Cover must be closed and latched before the output of the unit can be activated 3 www smith root com USER S MANUAL CONTROLS amp CONNECTORS ON OFF SWITCH Located on the right side of the electrofisher under the red emergency o
20. ng temperatures are between 5 and 35 degrees C maximum 15 to 50 degrees C The energy available on a given discharge cycle decreases at low temperatures and increases at higher than normal temperatures Increased temperatures increase the gradual processes of very slow corrosion which normally occur in all lead acid batteries 3 Avoid heavy vibrations or shocks which may cause internal damage Foam packing is cheap insurance 4 Avoid contact with oils or solvents which may attack the battery case ABS plastic resin Clean with soap and water only 5 Do not crush incinerate or dismantle the battery The electrolyte contains sulfuric acid which can cause serious damage to eyes and skin Dispose of old batteries at a battery recycler 2011 20 LR 20 LR 20B Battery Care and Maintenance cont Life Load Capacity BATTERY SPECIFICATIONS Rating Batteries are rated at the current which will reduce the 10hr 105A 10 5Ah voltage per cell to 1 67 volts in 20 hours The heavyweight battery has a 12 amp hour rating However its life at 100 watt continuous would be only 120 minutes As the discharge current is increased ahr 7 204 72Ah the efficiency and relative capacity decrease Fig 7 5 Relative capacity of 12Ah deep cycle battery 22 y Overload 20 fe BATTERY LIFE 18 4 i Hi 16 Each time cycle battery it loses some of its ability to take 14 T ES a charge Deep cycle batteries are capable
21. o a restocking fee and applicable shipping charges The restocking fee is figured at 10 of the purchase price but not less than 20 00 Customers receiving equipment in damaged condition will be referred to the shipping company for insurance reimbursement 09441 04 2012 Smith Root Inc Vancouver WA USA 2011 I LR 20 LR 20B BACKPACK ELECTROFISHER al mT n rir g x gt a k 1 he LR 20 Backpack Electrofisher offers the safety and ruggedness of the LR 24 with the reliability of our classic Model 12 while using the accessories of our standard LR 24 The LR 20B is an ideal transitional unit from our classic Model 12 it shares many conventions as well as the safety and reliability and accessories of the LR 24 j la 2 4 Use them for light duty electrofishing or in conjunction with LR 24 units for wider field applications The LR 20B is a good addition to your collection of Electrofishers in order to cover all field conditions SAFETY FEATURES Emergency shut down switch disables the unit Flashing red output warning light THE LR 20B COMBO CONSISTS OF c PEST iE output AE Eye En Tilt sensor 1 Electrode Pole 6 2D tette 07575 Water immersion turns output off 1 11 Aluminum Electrode Ring 03297 Electrode out of water output off RattailElectroden coo erat 06821 Pole mounted operator switch 06681 e Non conductive case 1 UBC 24 Battery Cha
22. of an emergency such as falling into deep water 1 1 www smith root com USER S MANUAL SAFETY Eur A 2011 12 LR 20 LR 20B BACKPACK ELECTROFISHER ELECTROFISHING SAFETY SAFETY QUICK LIST 1 10 11 12 13 14 At least two members of the crew must have current first aid and CPR cards Make sure every member of your crew knows where the nearest hospital is and how to get there or where to go to get help All members of the crew should have completed an electrofishing course Before loading up equipment and heading into the field make sure every member of the crew knows your evacuation routes in case of an accident Check the equipment for damaged or missing parts and for proper operation Never use an electrofisher that is in poor condition or not working correctly as it can present a severe shock hazard Check the cathode cable for wear and burrs that may cause injury or tear holes in protective clothing Check the insulation for damage Replace the cathode as necessary Check the anode pole for cracks in the fiberglass and handle assembly Replace as necessary Check the curl cord for cracks and abrasion Do not use a cracked pole or a pole with a damaged curl cord Check your boots and high voltage gloves for holes Boots and gloves must be watertight and without any holes Repair or replace as necessary If you are using chest waders you should use a wading belt Check a
23. ome som Dm tre cone ome ome one wane ane sane rane cane tone nme n o come rane aime ome acne sane ome me sam rime tme tone nn e nere rame ome tme aime sans same one son cane rane m ons oss cors nm me me m aan mm aim a ou cans rars Fm oe ome nm me Eme Lom om Dm m Em E sane or 25 www smith root com Conductivity Range Battery Output Voltage Ranges Output Power Output Frequency Output Duty Cycle Overload Protection Electrodes Timer Metering Weight amp Dimensions SPECIFICATIONS SPECIFICATIONS 10 1500 microsiemens per centimeter 24 volt 12AH sealed gel type 50 100 150 200 250 300 350 400 500 700 990 200W LR 20 or 400W LR 20B maximum continuous 10 15 20 25 30 35 40 50 60 70 80 90 100 110 120 5 10 15 20 25 30 35 40 45 50 60 70 80 GB 2 pulse GB 3 pulse DC 15A LR 20 or 25A LR 20B electronic breaker and 40A safety fuse 6 2 piece pole adjustable 11 inch ring Stainless steel rattail cathode 6 digit computer controlled seconds counter Peak output current Peak output voltage Battery voltage with fuel gauge type display Battery current 33 lbs 13 LX 13 3 4 W X 29 3 4 H 2011 26 SMITH ROOT 14014 NE Salmon C Vancouver WA 98 360 573 020 360 573 info www smith root com
24. rger USA 06815 Quick release shoulder harness and waist belt 1 Case w Wheels amp Retractable Handle 09540 1 www smith root com m lt M y AR HU RS OVERVIEW CONTROLS AND FEATURES Take the time to familiarize yourself with the LR 20 s features before beginning electrofishing Timer Reset Pack Frame Duty Cycle Cover Latch Led Display Emergency Shutdown Switch Voltage Range Switch Audio Alarm Cover Latch Warning Light Sensor Immersion Sens r Harness Cathode Anode Connector Connector 24v Battery zane Battery Connector 2011 2 LR 20 LR 20B OVERVIEW Cont OUTPUT FREQUENCY controls the output frequency or pulses per second of the electrofisher DUTY 1 DUTY CYCLE Controls percentage of time the output pulse is on out of the time from the start of one output pulse to the start of the next output pulse L Frequency TIMER RESET Resets the seconds counter display to zero LCD DISPLAY Shows the number of seconds the output Duty cycle and Output Frequency of the unit has been active since the last timer reset the peak output voltage and current the average battery voltage and EMERGENCY SHUTDOWN SWITCH Turns unit on when the red cover and switch are in the up position Also serves as an emergency shutdown switch by means of red flip CONTROL CONNECTOR Provides the low voltage control con
25. rrent flows from the cathode to the anode through the water The water is the electrical conductor If you touched both the anode and the cathode you would become an electrical conductor and complete the circuit path and get a severe electrical shock If you touch only one of the electrodes you would not complete the electrical circuit and not get shocked WARNING Touching any electrode is not recommended Unless all conductive objects you come into contact with are connected to the same electrode you will be shocked to find a current path that is not obvious e g the water or the boat Preventing electrical shock means preventing electrical current from entering and flowing through parts of the body The skin is a partial but variable barrier because it offers resistance to the passage of electrical current Tough skin has more resistance than tender skin and dry skin more than wet skin But tough dry skin alone does not offer enough protection for electrofishing Rubber lineman s gloves rated 1 000V minimum should always be worn Even while wearing rubber gloves and waders never touch an electrode while the circuit is energized Do not work on the electrical system while the generator is running Do not enter the water while the current is on during boom shocking operations A severe electrical shock from electrofishing gear may result in the need for artificial respiration therefore it is imperative that no one ever works
26. ry strap through the oval handle cutout and secure the clasp while taking up any slack in the strap It should be snug and not allow the battery to move 2011 6 The packframe allows for various positions of the shoulder straps and waist belt to fit most people The straps and all have quick release latches that allow the Electrofisher to be removed quickly if the operator falls into deep water or becomes injured Shoulder Strap Adjustment Shoulder Strap Chest Strap Quick Release Padded Waist Belt Pack Frame Waist Belt Quick Release water Should you fall into deep water the chest strap may prevent you from removing the WARNING Always unfasten the chest strap of the pack before crossing or entering the electrofisher quickly 7 www smith root com USER S MANUAL QUICK RELEASE PACKFRAME QUICK RELEASE STRAIN RELIEF QUICK RELEASE SYSTEM It may be necessary in some circumstances to remove the electrofisher backpack quickly The LR 20 has an integral quick release pack frame Just press the latch tabs on the waist belt 1 and shoulder straps 2 and the entire unit falls away The following procedure illustrates how the quick release system is designed to work 1 Squeeze the release tabs on hip belt buckle to remove hip belt 2 Squeeze the release tabs on either shoulder strap 3 With strap detached shrug o
27. tions will be performed to factory standards The unit will be recertified and issued an SRI certification label All labor and materials will be included in the yearly inspection Contact Smith Root Inc for additional information 2011 24 LR 20 LR 20B MODEL 12 B 15 D SETTING CHART Use this chart to convert settings used with the 12 B or 15 D to settings on the LR 20 Example If H2 were used with the model 12 B the corresponding settings for the LR 20 would be 50Hz at 5 Duty cycle Note that the LR 20 does not have pulse width settings Standard Pulses Model 12 B and 15 D PULSE WIDTH 1 L_ FREQUENCY Pulse width x Frequency x 100 Duty Cycle in Duty cycle and Output Frequency Period Width Between 1 Burst 3 pulses Burst rate Period Gated Burst See diagrams at left for an explanation of Duty Cycle Output Frequency and Gated Bursts Duty Cycle Percent LR 20 LR 20B EE ER ER SR SE RSS Duo on ions sans zon ane sons sons ans p sons sm eons vom eme we ome e sone eme tone one me sone ome ame ome me sone me me ime ins P zone one rome one zene rome rm ane eine cone sine ame o meere orne BSS SSS eee Overall oral Duty arms one eam rane om ons vans am vans rns am e vine time sane ame one one rane ome me rome me mm Emm pm mm som one rme ame
28. turn the power on the user must lift the red cover upwards and manually flip the exposed toggle switch to the up position Since the red cover must first be lifted it helps to prevent accidentally powering up the unit Flipping the red cover down will immediately turn the unit off Flashing Red Light FRONT Coven BUT me e FLASHING RED LIGHT Bright long life LED lamps flash whenever the unit 15 turned on and 30 volts or more 15 present between the anode and cathode AUDIO ALARM The audio alarm indicates 2 different operating conditions 1 Presence of high voltage in the water When ever the anode and cathode are in the water and more than 30 volts is present while the unit 15 on there will be an audible tone emitted by the alarm 2 Average power output level From 0 to 49 watts the audio tone pulses once per second From 50 to 99 watts the audio tone pulses twice per second From 100 to 149 watts the audio tone pulses three times per second From 150 to 200 watts the audio tone pulses four times per second PACK FRAME QUICK RELEASE The LR 20 and LR 20B have an integral quick release pack frame Simply lift one of the two tabs on the shoulder straps while unlatching the waist belt and shrug the entire unit away CAUTION Always unlatch the chest strap of the pack before entering or crossing water If left latched this strap may prevent the user from quickly removing the LR 20B in the event
29. y will begin to charge as soon as the charger is plugged in Do not use an MC 24 Maintenance Charger for this test MC 24 Maintenance Charger 06811 Fig 8 3 BAT 01 Battery Analysis Tool hookup 2011 22 LR 20 LR 20B ELECTRODE POLE AND CATHODE TESTER ELECTRODE POLE amp CATHODE TESTER This test device allows customers using Smith Root type LR 24 LR 20 and Model 12 15 backpack Electrofishers to test their anode poles and cathodes rat tails in a simple concise manner that requires minimal interpretation The test device is designed to give a clear go no go test of both anode poles and cathodes as well as some limited indication of what is likely wrong with the item being tested The Electrode Cathode Tester is simple to use and negates the need for any other test equipment such as a volt meter or continuity tester It is self contained and except for periodic replacement of the battery requires no service or calibrations The tests can be performed Electrode Pole Anode pole tester by one person with no assistance Electrode Cathode Pole Tester 08115 23 www smith root com SETTINGS LR 20 OPERATION HINTS Make sure the Anode ring 15 kept clean Anode rings are made from aluminum and will eventually develop an oxide coating that will give the ring a dull appearance This coating impairs the transfer of electricity from the electrode to the water and can be remove
30. z Duty cycle 10 percent Voltage 50 volts VOLTAGE RANGE 10 Duty cycle and frequency can have a huge impact on taxis Do not be timid about changing these settings In general lower frequencies are safer for larger fish than higher fre quencies If you are not getting any response from fish at TETE all then change the settings as follows www smith root com ATTENTION FRONT COVER MUST BE CLOSED FOR UNIT TO OPERATE CATHODE CONTROL mum ANODE a Increase the voltage switch one position and try again Stop increasing voltage when you begin getting a forced Front Panel details response twitch from the fish when you press the anode pole switch b If fish are not showing taxis then increase the duty cycle e OFF switch one position and try again If necessary repeat this step until you elicit taxis in the fish If you increase fime the duty cycle to maximum and still are not getting taxis then reduce the duty cycle back to 1096 and go to the next step ON c Increase the frequency switch one position and try again If necessary go back to step before increasing fre quency again Electrode Pole Safety Switch 2011 10 LR 20 LR 20B SAFETY FEATURES EMERGENCY SHUTDOWN SWITCH The red flip down toggle switch located on the right side of the control unit is the Emergency Shutdown Switch This switch is also the main on off switch for the Electrofisher To
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