Bacharach Tru Pointe Owner's Manual
Contents
1. observe that the green POWER ON LED will glow and that the red LEAK RATE LED flashes rapidly along with the audible indicator producing a rapid ticking sound or constant tone The instrument requires a minimum of 10 seconds to warm up After which time both the LEAK RATE LED and audible indicator should slow down to no more than 1 or 2 flashes ticks per second Note that during the warm up period the instrument has zeroed out any background concentration of refrigerant vapors that may have been present in the area After the instrument is turned ON and allowed to warm up it is ready to perform leak testing as described in Section Procedure for Locating a Refrigerant Leak Red LED Flash rate increases when the instrument detects an increased level of refrigerant LEAK RATE CT Amber LED ON High Sensitivity HIGH SENSITIVITY TC OFF Low Sensitivity Blinking Sensor Failure POWER ON _ Green LED ON OFF ON Instrument turned ON Blinking Low battery condition eleng Press to toggle instrument ON and OFF Press to toggle between high and low sensitivity Figure 3 Indicators and Controls Instruction 0019 9328 7 Operation Tru Pointe Low Battery Indication A low battery condition is indicated when the green POWER ON LED begins to flash Approximately 20 minutes of operation time remains from the time this LED first begins to flash after which the instrument s operation will gradually become errat2. spond to the presence of sensor per Section Sensor Replacement refrigerant b Probe assembly loose Push nose cone of probe assembly back into instrument c Probe tip clogged not allowing air to flow over sensor Unclog probe tip d Crack in rubber sheathing that covers the probe s flexible tube allowing air to enter through the crack Replace probe assembly 14 Instruction 0019 9328 Tru Pointe Troubleshooting TABLE 1 TROUBLESHOOTING GUIDE Cont Symptom Short sensor life Probable Cause amp Remedy Senor has often been exposed to high levels of refrigerant Avoid exposing sensor to pure refrigerant for long periods of time Erratic refrigerant leak indication a Windy conditions Shut off surrounding fans protect probe tip from wind switch to low sensitivity mode per Section High Low Sensitivity Mode b Probe assembly loose Push nose cone of probe assembly back into instrument c Low batteries Replace batteries per Sec tion Battery Installation d Loose sensor Remove probe and ensure that the sensor is being held firmly in its socket see Figure 4 e Sensor faulty Replace sensor per Sec tion Sensor Replacement Instruction 0019 9328 15 Parts amp Service Tru Pointe Parts amp Service Complete Kit Includes detector instruction manual 2 D batteries and a hard carrying case 0019 8106 Replacement Parts Battery lege sis
3. ana 0019 0548 Hard Carrying Cases nun lenungeuen 0019 0501 Probe Assembly sus 0019 0553 Screw Case 4 20 x 1 Self Tapping nneseneenn 0102 1982 Et edd ENNER EES 0019 0559 Sales Service Centers United States Pennsylvania 621 Hunt Valley Circle New Kensington PA 15068 Phone 1 800 736 4666 Fax 724 334 5723 Email help mybacharach com Canada Bacharach of Canada Inc 20 Amber St Unit 7 Markham Ontario L3R SP4 Canada Phone 905 470 8985 Fax 905 470 8963 Email bachcan idirect com 16 Instruction 0019 9328 Tru Pointe The Meanurattle Difference ee CE Declaration of Conformity The Manufacturer of the Products covered by this Declaration BACHARACH Ine 621 Hunt Valley Circle New Kensington Pa 15068 Year in which conformity is declared 2010 Product Refrigerant Leak Detector Model Tru Pointe The undersigned hereby declares that the above referenced product is in conformity with the provisions of the following Directives and Standards Standard EN 61326 1 2006 Electrical Equipment for measurement control and Laboratory use EMC Requirements Part General requirements Directive Signature Name Title Date The technical documentation file required by this directive is maintained at the corporate headquarters of Bacharach Ine Instruction 0019 9328 17 Tru Pointe 18 Instruction 0019 9328 Warranty Registration Please
4. W AEDA The Measurable Difference Tru Pointe Refrigerant Leak Detector Instruction 0019 9328 Operation amp Maintenance Rev 5 October 2012 Patent 5 932 176 Product Leadership Training Service Reliability Tru Pointe Instruction 0019 9328 Tru Pointe COMBUSTIBLE REFRIGERANT GAS WARNING For your safety DO NOT use the Tru Pointe refrigerant leak detector to detect refrigerants which are rated as combustible flammable gases e g ASHRAE A2 or A3 rated refrigerants Use with combustible flammable refrigerant gases can cause an explosion resulting in death or severe injury WARRANTY Bacharach Inc warrants to Buyer that at the time of delivery this Product will be free from defects in material and manufacture and will conform substantially to Bacharach Inc s applicable specifications Bacharach s liability and Buyer s remedy under this warranty are limited to the repair or replacement at Bacharach s option of this Product or parts thereof returned to Seller at the factory of manufacture and shown to Bacharach Inc s reasonable satisfaction to have been defective provided that written notice of the defect shall have been given by Buyer to Bacharach Inc within one 1 year after the date of delivery of this Product by Bacharach Inc Bacharach Inc warrants to Buyer that it will convey good title to this Product Bacharach s liability and Buyer s remedy under this warranty of t
5. detector probe tip if the part being tested is contaminated If the part is particularly dirty it should be wiped off with a dry shop towel or blown off with shop air No cleaners or solvents shall be used since many electronic detectors are sensitive to their ingredients e Visually trace the entire refrigerant system and look for signs of air conditioning lubricant leakage damage and corrosion on all lines hos es and components Each questionable area shall be carefully checked with the detector probe as well as all fittings hose to line couplings refrigerant controls service ports with caps in place brazed or welded areas and areas around attachment points and hold downs on lines and components 10 Instruction 0019 9328 Tru Pointe Operation Always follow the refrigerant system around in a continuous path so that no areas of potential leaks are missed If a leak is found always continue to test the remainder of the system At each area checked the probe shall be moved around the location at a rate no more than 25 to 50 mm sec 1 to 2 in sec and no more than 5 mm 0 2 inch from the surface completely around the position Slower and closer movement of the probe greatly improves the likelihood of finding a leak An apparent leak shall be verified at least once by blowing shop air into the area of the suspected leak if necessary and repeating the check of the area In cases of very large leaks blowing out t
6. efrigerant level the LEAK RATE LED begins flashing and the audible indicator begins ticking at a faster rate If movement of the probe is stopped for more than 10 sec onds the instrument will self zero and return to its idle state even though refrigerant is still present Once the presence of refrigerant has been determined and the instrument allowed to self zero moving the probe toward the leak source will once again cause the instrument to respond in a positive manner The instru ment s audible and visual indications will fall if the probe is moved away from the leak source Caution Exposing the sensor to a steady stream of highly concentrated refrigerant will severely reduce sensor life or damage the sensor Sensor life is directly proportional to the amount of refrigerant that passes through the sensor Use the following general procedure to pinpoint the source of a leak 1 Move the probe tip along the refrigerant lines and around the fittings until the LEAK RATE LED begins flashing and the audible indicator starts ticking at a faster rate 2 Continue moving the probe tip in a direction that keeps the instru ment responding in a positive manner 3 Once the source of the leak has been passed the instrument s visual and audible indications will fall At this point reverse the direction of probing so that the instrument once again responds in a positive manner 4 Repeat Step 3 until a small movement of the probe tip over
7. fill out the following information and FAX to Bacharach s Warranty Department at 724 334 5001 Or register online at www mybacharach com warranty registration htm Name Title Company of Employees Address City State Zip Phone Fax E mail Product Purchased Part No Serial No Date Purchased Purchased From 1 What can Bacharach do to better serve you 2 My Application O Combustion Analysis O Leak Detection O Emission Monitoring O Appliance Service O Indoor Air Quality O Other Please Specify 3 Future Applications May Include Please Send More Information About O Combustion and IAQ Analyzers O Training Programs O Emissions Monitors O Service Programs O Refrigeration Products World Headquarters 621 Hunt Valley Circle New Kensington PA 15068 7074 Ph 724 334 5000 Fax 724 334 5001 Toll Free 1 800 736 4666 Web site www mybacharach com E mail help mybacharach com Printed in U S A
8. he area with shop air often helps locate the exact position of the leak Leak testing of the evaporator core while in the air conditioning module shall be accomplished by turning the air conditioning blower on high for a period of 15 seconds minimum shutting it off then waiting an addi tional 15 seconds minimum for the refrigerant to accumulate in the case then inserting the leak detector probe into the blower resistor block or condensate drain hole if no water is present or into the closest opening in the heating ventilation air conditioning case to the evaporator such as the heater duct or a vent duct If the detector activates a leak appar ently has been found Following any service to the refrigerant system of the vehicle and any other service which disturbs the refrigerant system a leak test of the repair and of the service ports of the refrigerant system shall be done Instruction 0019 9828 11 Maintenance Tru Pointe Maintenance By following the procedures outlined below The Tru Pointe will provide many years of trouble free and dependable operation Routine Maintenance Replace the batteries per Section Battery Installation when the green POWER ON LED begins to flash Periodically check the instrument s sensitivity by exposing it to a source of refrigerant gas DO NOT check sensitivity by cracking open a bottle of refrigerant or Schrader valve and exposing the sensor to a stream of pure refrigerant Thi
9. hly concentrated refrigerant will severely reduce sensor life or damage the sensor Sensor life is directly proportional to the amount of refrigerant that passes through the sensor 4 Instruction 0019 9328 Tru Pointe Technical Characteristics Operating Environment Position Any Temperature ne 32 to 122 F 0 to 50 C Humidity enenee 10 to 90 RH non condensing APprovals Certified to SAE J1627 CE Mark Independently tested in accor dance with EMC Directive 2004 108 EC Instruction 0019 9328 5 Operation Tru Pointe Operation Battery Installation 1 Remove battery cover by pressing down on the battery cover tab and then sliding the cover off the instrument See Figure 2 2 Install two D alkaline batteries into the battery compartment observ ing the polarity markings that are molded inside of the case 3 Slide the battery cover back onto the instrument until its tab clicks into place Press tab down with your forefinger and slide battery cover to the right Install two D size alkaline batteries with the polarity as shown in the battery compartment Figure 2 Battery Installation 6 Instruction 0019 9328 Tru Pointe Operation Turning the Instrument ON OFF See Figure 3 The instrument is toggled ON and OFF by pressing the ON OFF button When the instrument is first turned ON
10. ic When a low battery indication occurs replace the batteries as described under the previous Section Battery Installation Selecting High Low Sensitivity Mode When the Tru Pointe is first turned ON it defaults to its low sensitivity mode Place the instrument into its high sensitivity mode by pressing the HIGH LOW SENSITIVITY button until the HIGH SENSITIVITY LED turns ON HIGH SENSITIVITY amber LED glows Tip Use the low sensitivity mode to extend battery and sensor life Use the high sensitivity mode if necessary to pinpoint leaks Return the instrument to its low sensitivity mode by pressing the HIGH LOW SENSITIVITY button until the HIGH SENSITIVITY LED turns OFF Procedure for Locating a Refrigerant Leak Important The instrument s function is to detect a change in refrigerant level and not to make a quantitative measure ments The technique of locating a leak by detecting a change in level allows an operator to quickly locate the source of a leak without making manual sensitivity adjustments or be ing concerned about the background refrigerant level in the surrounding area Begin by slowly moving the probe tip toward the area of the suspected leak source If surfaces are dirty or wet wipe them off with a shop towel Avoid allowing dirt to clog the probe tip or allowing water to enter the instrument 8 Instruction 0019 9828 Tru Pointe Operation When the instrument first detects an increase in the r
11. itle are limited to the removal of any title defects or at the election of Bacharach to the replacement of this Product or parts thereof that are defective in title THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU OF 1 ANY AND ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITH OUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FORA PARTICULAR PURPOSE AND II ANY OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM BACHARACH S NEGLI GENCE ACTUAL OR IMPLIED The remedies of the Buyer shall be limited to those provided herein to the exclusion of any and all other remedies including without limitation incidental or consequential damages No agreement varying or extending the foregoing warranties remedies or this limitation will be binding upon Bacharach Inc unless in writing signed by a duly autho rized officer of Bacharach NOTICE Product improvements and enhancements are continuous therefore the specifications and infor mation contained in this document may change without notice Bacharach Inc shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Bacharach Inc Copyright 2003 2011 Bacharach Inc a
12. ll rights reserved BACHARACH and Tru Pointe are registered trademarks of Bacharach Inc All other trademarks trade names service marks and logos referenced herein belong to their respective companies Instruction 0019 9828 c Tru Pointe Instruction 0019 9328 Tru Pointe Contents Contents Ee TT a EE 2 OT 3 Technical Characteristics ssssscssscsssssscsssssscssssssosscssesssssscsssensssscossessscess 4 OPELALION E 6 Battery Installation ss 6 Turning the Instrument ON OFF 7 Low Battery Indiceaton ss 8 Selecting High Low Sensitivity Mode 8 Procedure for Locating a Refrigerant Leak 8 Sensor Failure Indication 9 False Refrigerant Indication 0 ccccccesesssssecceeceecceceseserssssseeeeeeees 10 SAE Leak Detection Tips sonsonensis n rn e ERES 10 Maintenance geseet EE SESLENE ELTETE EE 12 Routine Mamntenance 12 Sensor Replacement sine 13 Troubleshooting Guid e essentiels 14 Parts SOL VICE sans ndlr eures ESTEUEN VEEE nE SETETE EEEa tes 16 Replacement Parts asien 16 Sales Service Centers ccccccccccccsecsesssssssaeseceececesceessessssssaeeeeeseeseeees 16 Declaration of Conformity 2220220s00r0000enonennnnnnnnnsnnnnssnnnnnsnensnnsnsnnsnnnne 17 Instruction 0019 9328 1 Introduction Tru Pointe Introduction The Tru Pointe Refrigerant Leak Detector Figure 1 is a portable battery powered instrument designed to pinpoint the location of refrigerant leaks in air conditio
13. ning and refrigerant systems chillers or cold storage units The use of heated diode sensor technology allows the instrument to be quickly responsive to all refrigerants even when high background levels of refrigerant vapors are present No manual sensitivity adjustments are necessary during the inspection process The instrument is suitable for HVAC Service Technicians Refrigerant Service Technicians Plant Maintenance Departments Automotive Service Facilities and Refrigerant amp Environmental Chamber Manufactures who are in need of a small lightweight and rugged instrument that is capable of detecting and then pinpointing small to large gas leaks in tight spaces such as those found in refrigeration units and automobile engine compartments Figure 1 Tru Pointe Refrigerant Leak Detector 2 Instruction 0019 9328 Tru Pointe Introduction Features Quickly pinpoints the location of refrigerant leaks e Patented heated diode sensor that represents the latest advancements in sensor technology e Patented microprocessor controlled circuitry High and low sensitivity modes push button selectable Automatic zero and background compensation that allows a leak to be quickly found in contaminated atmospheres with out requiring manual sensitivity adjustments Flexible probe 14 inches 356 mm in length for locating leaks in hard to reach areas One handed operation e No user calibration required Long life DC br
14. oubleshooting Tru Pointe Troubleshooting Guide The following table lists the causes and remedies for the most common problems that may occur with the instrument If the information in Table 1 does not solve the problem or for help with any problem that is not listed please contact one of the Bacharach Sales Service Centers listed in Section Parts amp Service TABLE 1 TROUBLESHOOTING GUIDE Symptom Probable Cause amp Remedy Instrument does not turn ON a Faulty refrigerant sensor Remove sen Batteries are dead or installed back ward Install two fresh D alkaline bat teries per Section Battery Installation sor and turn ON instrument If instru ment now operates replace sensor per Section Sensor Replacement The POWER ON LED is flashing Low battery indication Replace batteries per Section Battery Installation The HIGH SENSITIVITY LED a Sensor depleted or faulty Replace sensor is flashing in clean air per Section Sensor Replacement b Batteries are nearly depleted Replace per Section Battery Installation The LEAK RATE LED is a This is normal during warm up After turned on steady and the warm up the flash tick rate should slow audible indicator is produc down to less than 1 or 2 times per second ing a steady tone b Probe tip clogged not allowing air to flow over sensor Unclog probe tip Instrument does not re a Sensor nearly depleted or faulty Replace
15. s will severely reduce sensor life or damage the sensor e Keep the instrument case and probe clean by wiping them with a shop towel If necessary moisten the towel with a mild detergent solution Avoid using any type of solvents that may either attack the instrument s ABS plastic case or leave behind a hydrocarbon residue that may desen sitize the sensor 12 Instruction 0019 9828 Tru Pointe Maintenance Sensor Replacement Over time the sensor will become less responsive to refrigerant gas as it nears the end of its useful life A sensor s average life expectancy is ap proximately 150 hours or 1 year of normal use but will vary depending on the amount of refrigerant that passes through the sensor Replace the sensor as follows see Figure 4 Material Required Sensor refer to Section Replacement Parts Procedure 1 Turn OFF instrument 2 Grasp nose cone of probe assembly and pull probe away from case using a slight twisting motion 3 Sensor may be hot Pull spent sensor from its socket and discard Plug in new sensor Push probe assembly back into case D Oo A Turn ON the instrument and check that it responds in a positive man ner to a source of refrigerant gas Grasp probe assembly s nose cone and pull probe away from case while applying a slight twisting motion Seng D 71 g F Ww REFRIGERANT SENSOR Figure 4 Sensor Replacement Instruction 0019 9828 13 Tr
16. the leak source results in the rapid indication of increasing and decreasing refrigerant levels Sensor Failure Indication A failed sensor is indicated when the HIGH SENSITIVITY LED begins to flash Refer to the Troubleshooting Guide Section of this manual for information on how to remedy this condition Instruction 0019 9328 9 Operation Tru Pointe False Refrigerant Indication False refrigerant indications are usually caused by abnormal changes in sensor temperature These temperature changes are typically due to a sud den change in air flow past the sensor or the sensor being heated or cooled by an outside source To avoid false refrigerant indications DO NOT e allow the probe tip to become clogged with dirt e allow the probe to suck in hot gases SAE Leak Detection Tips The following was derived from SAE Surface Vehicle Standard J1628 Technician Procedure for Using Electronic Refrigerant Leak Detectors for Service of Mobile Air Conditioning Systems The electronic leak detector shall be operated in accordance with the equipment manufacturer s operating instructions e Leak test with the engine not in operation The air conditioning system shall be charged with sufficient refrigerant to have a gauge pressure of at least 340 kPa 49 psi when not in opera tion At temperatures below 15 C 59 F leaks may not be measurable since this pressure may not be reached Take care not to contaminate the
17. ushless fan provides positive airflow past sensor resulting in a faster response time e Batteries included One year warranty Extended warranty available Instruction 0019 9828 3 Technical Characteristics Tru Pointe Technical Characteristics IS Two D Alkaline Batteries Warm Up Time 10 seconds Refrigerants Detected All CFC HCFC and HFC refrigerants including R 12 R 22 R 123 R 134a and blends R 404A R 408A R 409A and R 410A Sensor TYPO ses Heated Diode Dispersive Electron Plug In Life Expectancy Typically 150 hours or 1 year of normal use Battery Life cccccccscccccceeeeees 11 hours min high sensitivity mode 20 hours min low sensitivity mode as tested using Duracell Ultra MX1300 alkaline batteries Response Time Instantaneous Hensttivita The instrument will detect a leak of at least 0 5 oz year 14 g yr as detected by moving probe tip at 2 50 mm per sec ond 0 2 5 mm above leak source A leak rate of less than 0 1 oz year 3 g yr can be detected when probe tip is held steady over leak source for at least 5 seconds Sensitivity Adjustment Automatic Weisht uses 1 16 Ib 0 53 kg w batteries Size excluding probe 2 12W x 9 5L x 2 4H inches 53 8 x 241 3 x 61 0 mm Probe Length 14 356 mm Caution Exposing the sensor to a steady stream of hig
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