Ultrasonic Cleaners Operator`s Manual
Contents
1. b OCI BR RW OO Contents VVARRANTY Safety Precautions Introduction Ultrasonic Cleaners Accessories Unpacking Your Cleaner Installing Your Cleaner Equipment Specifications How Ultrasonic Cleaning Works Operating Your Cleaner Operating Your MT or MTH Cleaner Operating Your DTH Cleaner Draining Your Cleaner Optimizing Your Cleaner Application Hints Cleaning Methods Cleaning Solutions Troubleshooting Service Information A A V 3 AN Safety Precautions Before using your Ultrasonic Cleaner please read and thoroughly understand these safety precautions Failure to follow them may result in serious personal injury or property damage To avoid electrical shock e Do unplug from power source before filling or emptying the tank e Do keep the control panel and the area around the cleaner clean and dry wipe up solution which spills over the tank brim Water and high voltage can cause electrical shock e Do not operate the cleaner without proper grounding e Do not remove the grounding prong on the line cord plug e Do not disassemble your cleaner high voltage inside the cleaner is dangerous e Do not immerse the cleaner in water To prevent personal and or property damage e Do operate the cleaner with a vented cover or no cover e Do use water based solutions e Do not ever use alcohol gasoline or flammable solutions Doing so could cause a fire or explosion and will void your wa2. Fill the cleaner to the operating level one inch from the top with beaker tray in place using warm tap water Low solution level will cause the cleaner to fail When you remove heavy or bulky loads from the cleaner the solution level may drop below the operating level If so be sure to replace lost solution and degas if necessary depending on the amount used Overload do not rest any items on the tank bottom Weight on the tank bottom dampens sound energy and will cause damage to the transducer Instead use a tray and or beaker positioning cover to support all items Allow at least one inch between the tank bottom and the beaker or receptacle for adequate cavitation Covers allow the cleaner to heat up faster to a higher temperature and avoid excessive liquid evaporation However obstructing the cover vents will cause the cleaner to overheat Temperature Heater the heater may cause some discoloration of the tank wall This is normal and will not affect the performance of the unit Solution the fastest method to heat your cleaner is to fill with warm solution use heat ultrasonics which also adds heat and a cover Approximate stabilization temperatures with ultrasonics and heat running continuously MTH DTH cleaner without a cover 502 MTH DTH cleaner with a cover 62 continued 16 Operating Your Cleaner Over temperature protection DTH only the cleaner will shut down at 75 C and the LED display
3. perforated tray and lower them into the tank You can also suspend items on a wire and then immerse them in the solution The advantages of this method are the simplicity of operation and cleaning effectiveness 19 Operating Your Cleaner Indirect Method y BEAKER POSITIONING TRAY L SOLID INSERT TRAY How it works Fill the tank with warm water and a cleaning solution Pour your solution medium into one or more beakers or into a solid insert tray Place the beakers in a beaker positioning cover or a solid insert tray to fit your cleaner Beakers should not touch the tank s bottom The advantages of this method are Removed soil stays in the beaker or tray so you can easily examine filter or discard it You can use one or more solutions at the same time two completely different cleaning solutions one beaker or tray with a cleaning solution and one with a rinse solution Cleaning solution in your tank needs to be changed less often 20 Operating Your Cleaner Cleaning Solutions A caution A Do not use alcohol gasoline bleach mineral acids solutions with a flash point semi aqueous or combustible liquids in ultrasonic tanks or you will void the warranty Only use non flammable solutions and water based solutions Solution Types Water based solutions are either slightly acidic or alkaline They include detergents soaps and indus
4. CPN 214 142 Rev A Ultrasonic Cleaners Models 1510 2510 3510 5510 8510 Operator s Manual Warranty Ultrasonic Cleaners when used in accordance with manufacturer s instructions and under normal use are guaranteed for two years after date of shipment Within the period guaranteed manufacturer will repair or replace free of charge at its sole discretion all parts that are defective because of material or workmanship not including costs for removing or installing parts Liability whether based on warranty negligence or other cause arising out of and or incidental to sale use or operation of the transducer elements or any part thereof shall not in any case exceed the cost of repair or replacement of the defective equipment and such repair or replacement shall be the exclusive remedy of the purchaser and in no case will we be responsible for any and or all consequential or incidental damages including without limitation and or all consequential damages arising out of commercial losses AW caution A Do not place parts or containers directly on the bottom of the cleaning tank use a tray or wire to suspend items Do not allow the solution to drop more than 3 8 inch below the operating level line with the cleaner on Do not ever use alcohol gasoline or flammable solutions Doing so could cause a fire or explosion Use only water based solutions Do not use mineral acids These could damage the tank Front Cover
5. This is how it works le As the sound vvaves from the transducer radiate through the solution in the tank they cause alternating high and low pressures in the solution e During the low pressure stage millions of microscopic bubbles A form and grovv This process is called CAVITATION meaning formation of cavities MN During the high pressure stage the bubbles collapse or implode n releasing enormous amounts of energy These implosions act like an army of tiny scrub brushes They work in all directions attack ing every surface and invading all recesses and openings 6 Introduction Operating Your Cleaner If this is the first time you are using the cleaner please read this whole section before operating your cleaner Operating Your MT or MTH Cleaner MT Cleaner ne 9 sonics 9 RE 0 ha ARN ING e DO NOT USE FLAMMABLE SOLUTIONS SOLUTION LEVEL MUST BE 1 FROM TOP bi VEIN USE ONLY WATER BASED SOLUTIONS DO NOT PLACE ANYTHING ON TANK BOTTOM MTH Cleaner rad 9 sonics 0 RE 0 e DO NOT USE FLAMMABLE SOLUTIONS e SOLUTION LEVEL MUST BE l FROM TO IARNTNG 2 w ARNI Gi e USE ONLY WATER BASED SOLUTIONS 0 DO NOT PLACE ANYTHING ON TANK BOTTOM Explanation of Controls HEAT Activates heat to 60 C maximum MTH only NOTE Refer to pages 16 and 17 for further tempe
6. cs at any time Step Action o positioning cover beakers or tray to cover the items Slowly lower the tray or beakers into the tank Do not stir ultrasonics then slowly remove the items from the cleaner BE A el necessary 13 Operating Your Cleaner e To repeat a timed cleaning cycle press ON OFF once while in the Set Sonics mode This cleaning cycle time will remain in memory until reset or you turn off the power to the cleaner e To reset ultrasonics time during a cleaning cycle press ON OFF once press SELECT OPTION until the SET SONICS LED lights To increase time press SET DISPLAY to your desired setting To decrease time press CLEAR DISPLAY press SET DISPLAY to set the time then press ON OFF once to resume the cycle e To monitor the solution temperature press SELECT OPTION until the SOLUTION TEMP LED lights The LED Display will display the solution temperature in degrees Centigrade 4 C The cycle will continue during this process Draining Your Cleaner AN warning A Do not immerse the cleaner in water Unplug the cleaner from the power source Yaand gallon models do not have a drain To empty use the indented side of the rim to pour the used solution into a waste disposal unit rinse the tank thoroughly and refill with new solution 14 Operating Your Cleaner 1 1 2 2 1 2 and 5 1 2 gallon models include a drain and valve kit Place the cleaner to allow easy reach of the drain tube
7. e 17 for information on degassing Cleaning Items NOTE To stop ultrasonics at any time turn the TIMER to zero Step Action o O cleaned positioning cover or tray to cover the items 4 Slowly lower the tray or beakers into the tank Do not allow items to contact the tank bottom Do not stir the solution When items are clean slowly remove them from the cleaner Rinse the clean items with clean water and dry them if necessary 9 Operating Your Cleaner Operating Your DTH Cleaner E SOLUTION TEMP ac CI SET TEMP aC CI SET SONICS nin CI SET DEGAS mir a co HEAT ON A ON OFF e HEAT POWER e SONICS SET CLEAR SELECT e DEGAS ISPLAY ISPLAY OPTION MABLE SOLUTIONS SOLUTION LEVEL MUST BE 1 FROM TOP BASED SOLUTIONS DO NOT PLACE ANYTHING ON TANK BOTTOM WARNING e DO NOT USE FLAMb e USE ONLY WATER Explanation of Controls Control Function I Press to activate deactivate power to the cleaner ON OFF After you press SELECT OPTION and set the LED Display for the selected option press to activate HEAT SET TEMP SONICS SET SONICS and or DEGAS SET DEGAS LED Indicates the tank temperature set temperature ultrasonics Display time or degas time setting depending on your SELECT OPTION choice SET Used in conjunction with SELECT OPTION to set or clear DISPLAY display to 00 Pr
8. ess SET DISPLAY to reach your selection SELECT When pressed toggles through the Function Indicators This OPTION allows you to check or set the tank temperature and set ultrasonic cleaning or degas time Continued 10 Operating Your Cleaner Function Lights indicate the option selected by pressing SELECT Indicators OPTION SOLUTION TEMP Displays current solution temp 10 75 C 4 C SET TEMP Set tank temperature 01 69 C SET SONICS Set ultrasonic time 01 99 mins 60 mins default SET DEGAS Set degas time 01 99 mins 5 mins default HEAT ONE Indicates heat is activated and has been set SET TEMP Before You Start Cleaning Allowing for the volume of the parts you will be cleaning and for the cleaning solution fill the tank to the operating level line Add a cleaning agent to the tank water Plug the cleaner into a grounded outlet 5 Turn the POWER switch On The cleaner will run through a three second self test Wait until the LED Display shows 05 and the SET DEGAS Function Indicator lights 11 Operating Your Cleaner NOTE If this is the first time you are running the cleaner or if you have changed cleaning solution you must degas the solution If not move to Setting Operating Parameters Degassing Degas for 5 10 minutes If necessary use SET CLEAR DISPLAY to alter this setting Default degas time is 5 minutes NOTE Refer to page 17 for information on degass
9. g the suggestions in the Troubleshooting Guide TAN NN AN WARNING gt You will void the warranty if you disassemble your cleaner High voltage inside the cleaner is dangerous If you find that your cleaner needs repair carefully pack and return it to your local distributor If under warranty remember to include proof of purchase Your cleaner will be shipped by ground service unless you specify otherwise 28 Service Information Authorized Service Centers Alpha Omega 2821 National Drive Tel 972 271 5569 Electronics Corp Garland TX 75041 Tel 1 800 540 4967 Fax 972 840 3668 Crystal Electronic Inc 140 Centre Street Tel 905 841 5762 Aurora Fax 905 841 9688 Canada L4G 1K0 Paragon Electronics 11075 N E 6th Ave Tel 305 757 0631 Miami FL 33161 Fax 305 54 6877 Master Sonics 445 VVest Queen St Tel 800 737 2198 Repair Center Southington CT 06489 860 621 9466 Fax 860 621 0283 Authorized Service Centers Notes Technical Support Branson Ultrasonics 41 Eagle Road Corp P O Box 1961 Danbury CT 06813 1961
10. ing Press ON OFF once to start the degas process After completing the degas time you are ready to set operating parameters Setting Operating Parameters Step Parameter Action Z Z O O Set Time The cleaner is now in Set Time mode with a default time of 60 mins If necessary use SET CLEAR DISPLAY to alter this setting Press ON OFF once to activate timed ultrasonics 2 Set Temp To set the tank temperature press SELECT OPTION until the SET TEMP LED lights Then press SET DISPLAY to alter the setting until the LED display indicates the tank temperature you wish to maintain Press ON OFF once to activate heat The heat indicator lights 3 Solution To monitor the solution temperature press Temp SELECT OPTION until the SOLUTION TEMP LED lights The LED display will indicate the actual temperature of the solution 12 Operating Your Cleaner Cleaning Items A caution A Do not place parts or containers directly on the bottom of the cleaning tank use a tray or wire to suspend items Do not allow the solution to drop more than 3 8 inch below the operating level line with the cleaner on Do not ever use alcohol gasoline or flammable solutions Doing so could cause a fire or explosion Use only water based solutions Do not ever use mineral acids These could damage the tank Failure to comply with these cautions will void your warranty NOTE Select Set Time then press ON OFF once to stop ultrasoni
11. into a waste disposal Remove the thread protecting cap from the end of the cleaner s drain pipe This will expose the white teflon sealing tape on the drain pipe s threads Hand tighten the drain valve onto the drain pipe over the white teflon sealing tape Finish tightening the valve in place using on adjustable or a 21mm wrench Tighten the valve no more than one full turn when using the wrench until the handle is on top CAUTION Over tightening of the valve can cause damage to the ultrasonic tank Always use teflon sealing tape or a sealing paste designed for use with stainless steel if retightening or refitting of the drain valve is required Hand tighten the hose adaptor into the end of the drain valve Slide the drain tube over the barbed hose adaptor end Assembled Drain Close the drain valve by turning the handle perpendicular to the valve body and the cleaner is ready to fill with solution To open the valve and drain the cleaner turn the handle so that it is in line with the valve body 15 Operating Your Cleaner Optimizing Your Cleaner Tanks Cleaning check the tank for contamination whenever you change solution If necessary remove contaminants with a nonabrasive cloth and water Emptying always unplug the cleaner before emptying the tank Empty the solution into a waste disposal unit Filling always unplug the line cord before filling the tank
12. opal coral turquoise peridot or lapis lazuli in the cleaner First time cleaning first experiment with one piece then proceed with the remainder Solution level Be sure to maintain solution level within 3 8 inch of the tank s operating level line Surface activity can vary with liquid level Load size lt is faster and more efficient to run several small loads rather than a few big loads Placing items Never allow items to sit on the bottom of the tank Always place them in a tray or beaker or suspend in the solution Rinsing items After cleaning use a clean water bath to rinse away chemicals adhering to items Lubricating items When necessary re lubricate items immediately after cleaning Drying items Air drying at room temperature works for some items Place parts requiring faster drying time under hot air blowers or in ovens Please call your local distributor if you have application questions 18 Operating Your Cleaner Cleaning Methods There are two methods of cleaning direct and indirect Each has advantages and disadvantages When in doubt run test samples using both methods to decide which one produces the best results for you Direct Method le A ITEMS IN PERFORATED i pel INSERT TRAY ITEM SUSPENDED How it works e Fill the tank with warm water and a cleaning solution e Place the items to be cleaned in a
13. ral purpose household cleaning solution such as Dawn liquid soap Test procedure 1 Prepare a fresh solution with general purpose household cleaning solution concentration 1 and warm tap water 120 140 F Fill the cleaner to within 3 8 inch of the operating level line Turn the ultrasonics on for at least five to ten minutes to allow for degassing Prepare the glass slide by first wetting the frosted portion with tap water GLASS SLIDE i PENCILED X l FROSTED END J With the No 2 pencil on the frosted portion make an X from corner to corner Immerse the frosted end of the slide into the solution Hold the slide vertically and center it in the solution Make sure that model DTH cleaners are in SET SONICS mode not degas mode then turn ultrasonics On 26 Troubleshooting The ultrasonics will begin immediately to remove the lead from the slide All lead should be removed within 10 seconds If your cleaner passes this test its ultrasonic cavitation is acceptable NOTE To ensure consistency from test to test be sure to repeat test conditions use the same solution concentration liquid level temperature type of pencil length of degassing etc 27 Troubleshooting Service Information With normal use your Ultrasonic Cleaner should not require servicing However if it fails to operate satisfactorily first try to diagnose the problem by followin
14. rature information TIMER Activates ultrasonics and sets time Use to turn unit Off Turn clockwise for variable time 0 60 mins Turn counterclockwise to hold position for continuous operation 7 Operating Your Cleaner Before You Start Cleaning AS caution A Do not place parts or containers directly on the bottom of the cleaning tanks use a tray or wire to suspend items Do not allow the solution to drop more than 3 8 inch below the operating level line with the cleaner on Do not ever use alcohol gasoline or flammable solutions Doing so could cause a fire or explosion Use only water based solutions Do not ever use mineral acids These could damage the tank Failure to comply with these cautions will void your warranty Select your cleaning solution refer to page 23 for solution effects on metals cleaning solution fill the tank with warm tap water to the operating level line one inch from the top For maximum efficiency refer to page 16 Optimizing Your Cleaner before proceeding Step Allowing for the volume of the parts you will be cleaning and 5 NOTE If this is the first time you are running the cleaner or if you have changed cleaning solution you must degas the solution If not skip to Cleaning Items 8 Operating Your Cleaner Turn the HEAT ON MTH Cleaner only 2 Turn the TIMER to 5 10 and let the cleaner run to allow the solution to degas NOTE Refer to pag
15. roughout the bath The 1 2 and 3 4 gallon models have a molded dip in their rims to facilitate emptying of solution from the tank The three larger sizes have built in drains and are supplied with tank drain kits Each model can be purchased in three different configurations with a Mechanical Timer MT with a Mechanical Timer plus Heat MTH and with Digital Control plus Heat and Timer DTH When you first fill your unit or refill it with fresh solution use warm water for the solution Turn on the heater press the HEAT switch if available turn on the ultrasonics press SONICS or rotate the Timer knob add the cover and the solution will heat quickly to temperature 3 Introduction Accessories For Your Cleaner Accessories include regular and beaker positioning covers solid and perforated insert trays mesh baskets and beakers Unpacking Your Cleaner Please check your cleaner and its carton carefully for any external or internal damage If you find damage contact your shipping carrier immediately before contacting your distributor Please retain your packaging for future use Installing Your Cleaner Check the plate on the back of the cleaner for correct power requirements Position your cleaner within easy reach of a standard grounded electrical outlet Do not place the cleaner on a circuit which could become overloaded If your cleaner does not operate correctly first refer to the troubleshooting section for pos
16. rranty Use only water based solutions e Do not ever use mineral acids These could damage the tank e Do not touch the stainless steel tank or cleaning solution they may be hot e Do not allow fluid temperature to exceed 70 C 160 F e Do not place your fingers or hands into the tank while the cleaner is operating Doing so may cause discomfort and possible skin irritation Avoid contact with solutions and provide adequate ventilation e Do not use solutions containing chlorine bleach 1 Safety Precautions To prevent damage to the cleaner e Do change your solution regularly e Do not cover vents on the cover e Do not operate the cleaner dry e Do not place parts or containers directly on the bottom of the cleaning tank use a tray or wire to suspend items Failure to comply may cause transducer damage and will void your warranty e Do not allow the solution to drop more than 3 8 inch below the operating level line with heat or ultrasonics on Failure to comply may cause transducer and or heater damage and will void your warranty 2 Safety Precautions Introduction Ultrasonic Cleaners This line of ultrasonic cleaners include five models with sizes ranging from 1 2 gallons 3 4 gallons 1 1 2 gallons 2 1 2 gallons and 5 1 2 gallons Each model is constructed using durable industrial style 40kHz transducers These provide increased cleaning power along with built in sweep frequency to ensure uniform cleaning activity th
17. s metal alloy corrosion and a variety of tenacious soils Solution Amounts Solution amounts may vary The amount you use depends on the detergent and the type of soil to be removed Follow instructions on the solution container and refer to the table below for the effects of solutions on metals Chemicals Harmful to Your Tank The following chemicals will harm your ultrasonic tank and the action of ultrasonics and higher operating temperatures will increase their chemical activity Do not use these or similar chemicals directly or in dilution in your ultrasonic tank or you will void your warranty Acetophenone Chloracetic Acid Hydrocyanic Acid Aluminum Chloride Chloric Acid Hydrofluoric Acid Aluminum Fluoride Chlorine Anhydrous Hydrofluosilicic Acid Aluminum Sulphate Chromic Acid lodoform Ammonium Bifluoride Copper Chloride Mercuric Chloride Ammonium Chloride Copper Fluoborate Muriatic Acid Ammonium Hydroxide Ethyl Chloride Phosphoric crude Amyl Chloride Ferric Chloride Sodium Hypochlorite Antimony Trichloride Ferrous Chloride Potassium Chloride Aqua Regia Ferris Sulfate Stannic Chloride Bromine Fluoboric Acid Stannous Chloride Calcium Bisulfate Fluorine Sulfur chloride Calcium Bisulfite Hydrobromic Acid Sulfuric Acid Calcium Hypochloride Hydrochloric Acid Zinc Chloride 22 Operating Your Cleaner Solution Effects on Metals ce pe ee ee ee Tn Copper none compound stain remover etch attack cleaner 1 attack purpose a
18. s but does not maintain set temperature Cleaner operates but display does not function Cleaner stops operating and display blinks 75 Decreased ultrasonic activity NOTE Refer to page 27 for cavitation check Malfunctioning heater or sensor components Interrupted calibration sequence DTH timer board malfunctioning Overheat condition Solution is not degassed Solution is spent Solution level is incorrect for load Tank bottom is covered with soil particles Using deionized water in the tank Call nearest authorized service center Press SET DISPLAY Call nearest authorized service center Turn cleaner off Allow cleaner to cool check solution level then restart Refer to Optimizing Your Cleaner Make sure that tank was filled with warm tap water plus cleaning solution and has run 5 10 minutes Change solution Adjust solution to within 3 8 inch of the tank s operating level line with load Empty then clean tank with warm water Wipe witha nonabrasive cloth Deionized water does not cavitate as actively as soapy tap water 25 Troubleshooting Check your cleaner periodically to test the level of activity of the ultrasonic cavitation Frequency of testing will depend on your use of the cleaner Glass Slide Test You will need the following equipment Frosted microscope glass slide 1 x 3 such as ESCO 2951F or equivalent No 2 lead pencil and Gene
19. sible causes or contact an authorized service center listed at the back of this manual for additional information 4 Introduction Equipment Specifications Tank Tank Overall Heater Capacity Size Size Power 1 2 gal L 6 L 10 7 Ibs 80W 0 80 1 91 L W 5 5 W 12 3 2KG 63 143 D 4 D 11 5 63 143 3 4 gal L 9 5 L 13 5 9 Ibs 130W 0 130 2 81 L W 5 5 W 12 4 KG 109 239 D 4 D 11 5 109 239 81 L 1 1 2 gal L 11 5 L 16 12 Ibs 130W 0 130 5 71 L W 6 W 12 5 4 KG 205 335 D 6 D 14 5 205 335 51 L I ss v 1 ieo 9 51 L W 9 5 W 15 5 6 4 KG 284 469 D 6 D 14 5 284 469 5 1 2 gal L 19 5 L 24 26 Ibs 320W 0 320 20 81 L VV 11 5 VV 18 11 8 RG 561 881 D 6 D 14 5 561 881 NOTE All models have a frequency of 40kHz In DTH cleaners the temperature readout accuracy is 4 C 120V 10 60Hz is optimum voltage for all cleaners All cleaners have CSA approval and comply with FCC regulations All 220V units meet CE standards indicates power levels for MT MTH and DTH cleaners in that order Units will cause GFI sockets to trip All units have a ground leakage current less than 50ma 5 Introduction How Ultrasonics Cleaning Works Ultrasonic sound is sound transmitted at frequencies generally beyond the range of human hearing In your ultrasonic cleaner ultrasonic sound sonics is used for cleaning materials and parts
20. trial cleaners designed to remove specific soils Acidic water based solutions remove rust tarnish or scale They range from mild solutions that remove tarnish to concentrated inhibited acidic solutions that remove investment plaster milk stone zinc oxide and rust from steel and cast iron as well as smut and heat treat scale from hardened steel Alkaline water based solutions include carbonates silicates and caustics These cause emulsifying action which keeps soil from redepositing on the cleaned surface and improves cleaning action in hard water Alkaline strength Light oils and greases cutting oils and coolant compounds Mild to strong Heavy grease and oil waxes vegetable oils inks wax or fat base buffing and polishing compounds milk residues and carbohydrates Heavy dut Mill scale heat treat scale corrosion or oxides 21 Operating Your Cleaner Change the cleaning solution periodically Cleaning solutions can become contaminated with suspended soil particles which coat the tank bottom This coating dampens the ultrasonic action and reduces cleaning efficiency Certain solutions will cavitate better than others Contact your local distributor for further information Heat and cavitation increase the chemical activity of cleaning solutions Some materials may be damaged by this stronger chemical action When in doubt test run samples of items to be cleaned Caustic solutions used to remove rust from steel
21. ttack strength 1 attack cleaner 1 cleaner 2 attack Rat 3 ee attack Alkaline 2 Acidic and 3 Caustic AV warning A Free hydrogen may be released if solution comes in contact with reactive metals tt No effect if solution temperature is less than 140 F 23 Operating Your Cleaner Troubleshooting If your cleaner does not operate satisfactorily please check the tables below for possible causes before calling your authorized service center AN VVARNING A High voltage inside dangerous shock hazard DO NOT attempt to disassemble or repair the cleaner What to do Cleaner Cleaner not plugged in Plug into functioning will not properly electrical outlet Start MT Mechanical timer not Turn timer clockwise ON DTH POWER switch not Press power switch ON ON DTH Start button Call nearest authorized malfunctioning service center Blown fuse Call nearest authorized service center Cleaner Heater malfunctions Call nearest authorized operates service center but does MTH HEAT not ON Turn heat ON notheat prH HEAT not set See Operating Your DTH solution properly Cleaner DTH membrane Call nearest authorized malfunctioning service center Clogged Clogged drain Call nearest authorized drain service center 24 Troubleshooting AN VVARNING AN High voltage inside dangerous shock hazard DO NOT attempt to disassemble or repair the cleaner What to do Cleaner operate
22. will blink 75 Turn the cleaner off and allow it to cool down For a faster cooldown replace some of the warm solution with cold solution Solution Solution activity the amount of visible activity is not necessarily related to optimum cavitation for cleaning Degassing fresh solutions contain many dissolved gases usually air which reduce effective ultrasonic action Although solutions will naturally degas over time using Degas mode speeds up the degassing process Solutions that have been sitting unused for 24 hours or longer have reabsorbed some gases Heat increases the chemical activity of cleaning solutions Surface tension can be reduced by adding solution to the bath Reduced surface tension will increase cavitation intensity and enhance cleaning Solvents never use solvents Vapors of flammable solutions will collect under the cleaner where ignition is possible from electrical components Renewal replace cleaning solutions often to increase ultrasonic cleaning activity Solutions as with most chemicals will become depleted over time Solutions can become contaminated with suspended soil particles which coat the tank bottom inhibiting ultrasonic activity 17 Operating Your Cleaner Application Hints VS caution A Never clean novelty or inexpensive jewelry in the cleaner The combination of heat and vibration may loosen a cement held setting Never clean gemstones such as emerald amethyst pearl
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