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1. STINGER High Performance Oilless Commercial Refrigerant Recovery Unit User Manual The Measurable Difference 2090 0217 Rev 5 October 2011 Introduction Congratulations on your purchase of the STINGER high performance oil less recovery unit Bacharach has worked hard to make the STINGER the highest performing most portable and easiest to use recovery unit on the market We are committed to your complete satisfaction CAUTION Before operating this unit please read this manual in its entirety It is important that you have a thorough understanding of the procedures outlined in this manual Failure to follow these procedures could void all manufacturer warranties This unit is capable over pressurizing DOT recovery cylinder Ensure that you are using the proper DOT recovery cylinder for the refrigerant that you are recovering NOTE R 410 is capable of pressures exceeding 600 psi Typical DOT recovery cylinders are rated at 350 psi with a pressure relief set at 550 psi These cylinders should not be used with R 410A Only cylinders rated at 400 psi with the relief valve setting at 600 psi should be used to for R 410A Failure to use the proper cylinder can be extremely dangerous handling refrigerants read the material safety data sheet from the refrigerant manufacturer CAUTION These instructions are for personnel trained and experienced in the handling of refr2. Liquid Push Pull Operations 12 Liquid Pull Recovery Charging Method 13 R 410A Recovery Special 14 Purging the STINGER 15 DOT Recovery Cylinder Safety 16 E 17 AMOUDIESNOOING 224 18 Schematic Diagram 20 STINGER Parts List 21 STINGER Exploded 22 Compressor Parts 23 Compressor Exploded View 24 Warranty Repair Procedures 25 Declaration 26 General Safety Know your equipment Read and understand the User Manual and labels affixed to the unit Learn the application and limitations as well as the specific potential hazards of your equipment Ground all equipment This unit is equipped with a three pronged grounded power cord Use the proper extension cord Keep extension cord length to a minimum Use the following guide for choosing the proper extension cord 18 gauge cord maximum length 10 feet 16 gauge cord maximum length 25 feet 14 gauge cord maxim
3. is knocking will damage the compressor reduce the compressor life and void the compressor s warranty This condition is rare and should not occur under normal recovery operations 5 Slowly open the inlet valve until the Stinger s compressor turns on Continue to slowly regulate the inlet valve to the full open position A WARNING If the compressor begins to knock regulate the inlet valve toward the closed position until the knocking stops Failure to do so could void the compressor s warranty 6 Proceed with the recovery process until the system pressure shows a vacuum Turn OFF the STINGER for a minimum of 5 minutes after which determine the amount of refrigerant remaining in the system Repeat this step until system pressure is below mandatory EPA levels 7 Purge the STINGER as follows a Turn OFF the STINGER b Turn the inlet and purge valves to their PURGE position both pointing DOWN and the outlet valve to its OPEN position pointing UP c Turn ON the STINGER and monitor the inlet gauge The purge operation is complete when the inlet pressure gauge shows a vacuum 9 Standard Recovery Hose Connections IMPORTANT NOTES FOR LIQUID RECOVERY The Stinger can be used for pumping virgin refrigerant on an intermittent basis Unlike recovered refrigerant virgin refrigerant does not contain oil CAUTION Routinely pumping virgin refrigerant through the STINGER can remove lubrication from the compresso
4. refer to illustration below Turn the inlet valve blue knob left side slowly to the PURGE position pointer DOWN position Turn the purge valve black knob center slowly to the PURGE position pointer DOWN position 2 The STINGER will now start purging itself of refrigerant Allow the unit to run until the inlet gauge indicates that there is an adequate vacuum present in the system 3 Turn OFF the STINGER and then turn the outlet valve red knob right side to its CLOSED position 4 Close the Vapor and Liquid valves on the DOT recovery tank 5 Remove all hoses RECOVER 1 Rotate inlet valve 2 Rotate purge valve slowly to its PURGE slowly to its PURGE position pointing down position pointing down PURGE CLOSED 3 Keep outlet valve its PURGE BACHARACH OPEN position during 23 the purging process 15 DOT Recovery Cylinder Safety A WARN This unit is capable over pressurizing DOT recovery cylinder Ensure that you are using the proper DOT recovery cylinder for the refrigerant that you are recovering R 410A is capable of pressures exceeding 600 psi Typical DOT recovery cylinders are rated at 350 psi with a pressure relief set at 550 psi These cylinders should not be used with R 410A Only cylinders rated at 400 psi with a pressure relief set at 600 psi should be used to recover R 410A Failure to use the proper cylinder can be extremely danger
5. you from isolating the liquid Equipment has accumulator between the service ports used in the liquid recovery process Liquid refrigerant migration has occurred and the location of the liquid is unknown v refrigerant tubing design the equipment does not allow for a solid column of liquid refrigerant to be formed STEPS The liquid push pull recovery method requires the use of a third hose In addition a sight glass is useful for determining when all of the liquid has been pushed out of the system After all the liquid has been pushed out you will need to reconfigure the hoses for vapor recovery since the liquid push pull recovery method does not pull a vacuum on the system 1 Remove power from the refrigerant device to be evacuated 2 Make proper hose connections for liquid push pull recovery as shown in the diagram on Page 12 A CAUTION If the 80 tank full shutoff cord is not used then use a scale to monitor the refrigerant level in the recovery cylinder in order to prevent overfilling A CAUTION When recovering R 410A you must use a recovery cylinder approved for use with R 410A Standard recovery cylinders with 350 psi working pressures are not approved for use with R 410A 3 Turn the inlet and outlet valves to their OPEN position the PURGE valve to its PURGE position Note The PURGE position bypasses the condenser optimizing the push pull flow rate 11 Liquid Push
6. 0 9 Crank 1 2077 0940 10 Crankcase Cover Gasket 1 2081 0390 713 Shim 0 002 1 2081 0420 714 Shim 0 003 1 2081 0430 715 Shim 0 005 1 2077 0950 16 O Ring 026 1 2081 0290 17 Cylinder 1 2090 0039 18 Valve Plate Assembly 1 2081 0280 19 Cylinder Head 1 2051 1910 20 Screw Cap M5 x 50MM 4 2090 0040 21 Motor Brushes 2 2090 0042 __ Compressor Rebuild Kit 4 Any or all of these shims may be used 23 Compressor Exploded View 401 10070 000 0 HSN14 SI NOLSId 401 SYNSNA OL GAYINDAY SY SL pL EL SWALI SWIHS TIVLSNI OL NOLSId SAOW OL HOLOW 40 MOVE LAVHS SLVLOY 310 B E HF Hg ILON onay C OL 6 8 T aes Y Y MA 995 SATA _ Y Y a MIGWASSV IMYA 530 14 5 2 20 7 24 Warranty Repair Procedures Bacharach warrants this product for 1 year from the date of purchase indicated on the original sales receipt The warranty covers all parts within the unit but excludes damage to the unit caused by misuse or mishandling The units motor brushes carry an exte
7. 25 F Do not allow refrigerants to contact open flame Decomposition will occur Inhalation of decomposition is harmful First Aid Breathing If high concentrations of refrigerant vapors are inhaled immediately remove the person s to fresh air Keep calm If not breathing give artificial respiration If breathing is difficult give oxygen Call a doctor Do not give epinephrine or similar drugs Eye In case of liquid contact immediately flush eye with water Seek medical attention Skin Flush with water Treat for frostbite by gently warming the affected area A CAUTION All refrigerant hoses recovery tanks refrigerant lines the STINGER unit and other vessels containing refrigerants should be handled at all times as if under high pressure Description of Features Status LED Indicator Green Normal operation Red Tank is 80 full or 550 psi pressure limit is reached shut down condition Inlet Gauge Displays the inlet suction pressure of the system being evacuated Clear Vacuum condition has reached 13 hg shut down condition Purge Valve Outlet Gauge Displays the outlet discharge pressure This valve determines what function the STINGER performs This valve is UP during recovery Outlet Port Valve operations and Opens or closes the DOWN for purging outlet port Points UP and liquid push pull when open and to the operations left when CLOSED Inlet Port Va
8. Check and clear blockage Power cord not attached Attach power cord No voltage at AC outlet Verify voltage at job site Circuit breaker has opened Identify cause of breaker activation rectify and reset 80 tank full switch has been activated causing tank full circuit to latch ON Turn unit OFF and then back ON Defective fan Replace fan Obstruction in fan blades Remove obstruction Unit overheats Excessive suction pressure due to Reduce inlet pressure below high ambient temperature 80 psi by throttling the inlet valve Recovery process too slow Head pressure too high Reduce tank temperature or change tanks Throttle gauge manifold valves and discharge valves to reduce pressure differential between LP and HP gauges System refrigerant iced up Interrupt recovery process and allow ice to dissipate Restriction in hoses or manifold gauge set Check and clear restriction Compressor seals worn Rebuild compressor 19 Schematic Diagram GANAdO HOLIMS TINA 08 GANAdO SWH HOLIMS SYNSS3Yd MOT ASNVOAE 330 GSHOLIMS SVH LINN 12 440 091 GVOTYSAO IYWYIHL 883 HOIH 218 THM at HOLIMS 98 ma 2 9 ayog edH TOYLNOD HOLIMS HO LIMS 8 HOIH 9 0 JV
9. NLY DOT RECOVERY CYLINDERS APPROVED FOR USE WITH R 410A Overfilling or over pressurizing your recovery cylinder is extremely dangerous WHEN RECOVERING VAPOR If the STINGER sounds like it is overloaded either by slowing down or by making a knocking sound reduce the inlet pressure by closing or throttling the inlet valve until the STINGER begins to run normally WHEN RECOVERING LIQUID If a loud knocking noise occurs the inlet pressure on the STINGER should be throttled back by slowly closing the inlet valve until the knocking noise stops This action will prevent compressor damage CONNECT TO HIGH SIDE LOW SIDE OR BOTH SERVICE PORTS HVAC UNIT APPLIANCE CONTAINING REFRIGERANT OPTIONAL 80 TANK FULL SHUTOFF CORD Use the proper R 410A cylinder WEIGH SCALE 14 Purging the STINGER The STINGER is equipped with a pump down purge valve that allows the technician to pump down or evacuate the STINGER before proceeding to the next recovery operation This procedure not only eliminates cross contamination but also conserves refrigerant Follow the steps below to ensure your pump down operation is performed correctly During the purge operation the entire STINGER is pulled into a vacuum leaving no more than 0 1 ounce of refrigerant in the unit STEPS 1 After recovery operations are complete and with the unit still powered ON and running make the following control valve position changes
10. Pull Operations 4 Open both the vapor and liquid valves on the DOT recovery tank 5 ON the STINGER The compressor will begin to pull vapors from the cylinder and push the liquid out of the system and into the recovery cylinder 6 If a sight glass is being used you should watch it to determine when all of the liquid has been removed from the system 7 liquid push pull recovery method will not pull a vacuum the system You must turn OFF the STINGER and reconfigure the hoses for vapor recovery operations as described on Page 9 RECQVER OPEN OPEN p PURGE LA CLOSED lt PACHARACH CONTAINING REFRIGERANT COOL LIQUID LIQUID OPTIONAL SIGHT GLASS VAPOR LIQUIDI DOT APPROVED RECOVERY TANK WEIGH SCALE 12 Liquid Pull Recovery Charging Method The Stinger can be used for pumping virgin refrigerant on an intermittent basis Unlike recovered refrigerant virgin refrigerant does not contain oil CAUTION Routinely pumping virgin refrigerant through the STINGER can remove lubrication from the compressor resulting in premature failure Use the liquid push pull method or the liquid pull method to transfer large amounts of liquid refrigerant virgin or dirty The liquid pull method is used to move a large amount of liquid refrigerant without the refrigerant passing directly through the STINGER The virg
11. Use short hoses DOT APPROVED RECOVERY TANK LBS WEIGH SCALE 17 Troubleshooting PROBLEM CAUSE ACTION AC power switch is ON but fan compressor and status LED are all OFF Status LED glows red Compressor does not start or stops running Status LED is OFF Fan is running but compressor is OFF Compressor starts but cuts out within a few minutes pressure indication on high pressure gauge is high status LED glows red Power cord not attached No voltage at AC outlet Circuit breaker has opened Optional 80 tank full shutoff cord not connected to tank Tank is full and float switch has opened Float switch in tank is open High pressure switch has activated due to discharge pressure exceeding 550 psi Compressor motor thermal overload has tripped Electronics failure in motor or on printed circuit board Low pressure switch has activated due to inlet port reaching a vacuum of 13 Hg during recovery process Low pressure switch is still activated even after inlet port has been exposed to atmospheric pressure Function valve is in PURGE position during recovery and high pressure switch activates Outlet valve is not open and high pressure switch activates Recovery tank valves closed Blocked discharge hose Air in system tank 18 Attach power cord Verify voltage at job site Identify cause of breaker activation rectify and reset Connect yellow STI cord to tank If tan
12. WYIHL l gt 8 ano9 1 avo10 us 44OLNHS THM TINA ANVL 08 us 1anN Ov THM THM 1 LOH 1 wie LOH Ov a Sha 1 ayoo suanvaya 44O NO OV 20 STINGER Parts List See STINGER Exploded View on Page 22 Part Number 2045 0620 110 120 VAC 2000 2042 Compressor 2aovacy id 20280100 en a 20180000 20130040 20140090 e 20020160 cavae 2010030 Crt Breaker 0am 20180055 CompessorFan Blade Cid as 20000059 16 2020120 PasticKnob ower 20430110 Black 20000217 2090 0001 Tank Fui Suor Description 21 STINGER Exploded View 22 Compressor Parts List See Compressor Exploded View on Page 24 Includes Items 4 5 6 16 18 Part No Item Description Qty 2051 1900 4 Screw Machine M5 x 10MM 1 2081 0310 5 Piston Cup Seal Retainer 1 2043 0020 6 Piston Cup Seal 1 2081 0270 7 Piston 1 2081 0400 8 Piston Journal Bearing 1 2081 026
13. at are self sealing Remove Schrader core valves when possible from service ports e Always identify the refrigerant you are recovering This will minimize cross contamination and help you plan for the amount of refrigerant you will be recovering e Always pump liquid out of the system first and then recover the remaining vapors This will significantly speed up recovery rates e With large amounts of refrigerant use the liquid push pull recovery method This method is three times faster than recovering liquid directly Refer to the liquid push pull instructions on Page 11 e When possible recover from both the high and low side service port on the refrigeration system This will speed up the recovery rate e Use an agency approved in line filter P N 07 1700 to prevent contaminants from entering the STINGER If the STINGER has the optional 80 tank full shutoff cord installed connect this cord to the recovery cylinder s float switch If the cylinder does not have a float switch then be sure to install a shorting cap on the shutoff cord otherwise the STINGER will not operate Note Although using a manifold gauge set will speed up the recovery process a manifold gauge set is not required Recover from the liquid and vapor ports at the same time LIQUID Identify the refrigerant in the system before recovering VAPOR 80 TANK FULL SHUTOFF CORD VAPOR LIQUID 7 P N 07 1700
14. igerants Unqualified individuals should not attempt to operate this equipment Failure to follow proper operating procedures may cause personal injury WARNING Inhalation high concentrations of refrigerant vapors is harmful and may cause heart irregularities unconsciousness or death Deliberate inhalation of refrigerants is extremely dangerous and death can occur without warning Vapors reduce oxygen available for breathing and are heavier than air Decomposition products are hazardous Liquid contact may cause frostbite All refrigerant containers equipment and hoses are under pressure HAZARDOUS AREA WARNING This instrument has been designed to be intrinsically safe for use in areas classified as hazardous locations For your safety DO NOT use it in hazardous classified locations COMBUSTIBLE FLAMMABLE GAS WARNING For your safety DO NOT use this device to recover refrigerants which are rated combustible flammable gases e g ASHRAE A2 or A3 rated refrigerants STINGER Specifications STINGER R 12 R 22 R 114 R 134a R 401A R 401B R 401C R 402A Compatible R 402B R 404A R 406A R 407A R 407B R 407C R 407D Refrigerants R 408A R 409A R 410A R 411A R 411B R 412A R 500 R 502 R 507 R 509 110 120 1 Phase 50 60 Hz 8 Amps See label on 230 1 Phase 50 60 Hz 5 or 10 Amps back of unit 240 VAC 1 Phase 50 60 Hz 5 Amps Compressor HP High Performance Oille
15. in refrigerant is pulled directly into the system being charged The STINGER keeps the pressure low in the system by removing vapor For every pound of vapor removed as much as 25 pounds of liquid refrigerant may be transferred This method can be used for either virgin refrigerant or really dirty refrigerant HVAC UNIT APPLIANCE CONTAINING REFRIGERANT SUCTION LINE _ DISCHARGE LINE CONNECT VIRGIN TANK TO HIGH SIDE PORT OPTIONAL 80 TANK FULL STI CORD CONNECT STINGER TO LOW SIDE PORT TO PULL LIQUID OPTIONAL SIGHT GLASS WEIGH SCALE 205 Westwood Ave Long Branch NJ 07740 1 877 742 TEST 8378 Fax 732 222 7088 a wr salesteam Tequipment NET R 410A Recovery Special Notes R 410A is a replacement refrigerant for R 22 Its physical properties however are much different than R 22 R 410A has a higher vapor pressure and is more dense than R 22 These characteristics make recovering R 410A more difficult by putting more of a load on the compressor Please follow the instructions below to ensure trouble free R 410A recovery Note Hose connections are the same for recovering R 410A Connect hoses as shown in the vapor recovery diagram below Under normal operating conditions the STINGER can recover R 410A just like R 22 Under certain conditions however because of R 410A s higher vapor pressure and density you will have to take the following precautions A CAUTION USE O
16. ity is declared 2009 Product s Refrigerant Recovery Machine Model s Stinger The undersigned hereby declares that the above referenced products are in conformity with the provisions of the following standard s and is in accordance with the following directive s Standard s EN 61326 1 2006 General EMC Electrical equipment for measurement Requirements control and laboratory use Directive s 2004 108 EC EMC Directive Signature Doug Keeports Title VP of Product Development Date 23 August 2010 The technical documentation file required by this directive is maintained at the corporate headquarters of Bacharach Inc 26 27 28
17. k does not have a float switch short cord and use a scale Change tanks To restart power unit off and on again Check tank switch with multi meter Reduce pressure Check for restrictions in discharge line and that recovery tank valve is open rotate function valve to PURGE and back to RECOVER check that outlet valve is OPEN To restart power unit off and on again Turn OFF unit and allow motor to cool down for at least 15 minutes Factory service required System evacuation is complete Apply 1 2 psi pressure to inlet port to reset low pressure switch Rotate function valve to RECOVER Rotate outlet valve to OPEN position Open tank vapor valve Check and clear blockage Bleed air from system tank Troubleshooting PROBLEM CAUSE ACTION Status LED still glows red after high pressure condition has been cleared Compressor starts but cuts out within a few minutes pressure indication on low pressure gauge is low status LED is OFF AC power switch is ON but fan compressor and status LED are all OFF Status LED still glows red after changing recovery tanks AC power switch is ON but cooling fan not running High pressure switch was once Turn unit OFF and then back ON activated causing high pressure circuit to latch ON Inlet valve is in PURGE or CLOSED position during recovery and low pressure switch activates Rotate inlet valve to RECOVER Blocked intake hose
18. lve Opens or closes the inlet port Outlet Port Points UP open Refrigerant hose for all recovery Inlet Port connection for operations and points DOWN for purging operations Refrigerant hose connection outgoing refrigerant for incoming refrigerant Front Panel Description of Features Two Circuit Breakers Protects the STINGER from over current Power Switch When in the ON position this switch starts the recovery operation by turning ON the compressor wo Power Cord Note 230 VAC units have a male IEC 60320 type plug that requires the use of a customer supplied power cord adapter Rear Panel Connector for optional 80 tank full shutoff cord PN 2090 0091 Kit PN 2090 0091 This optional accessory connects to a DOT recovery cylinder s overfill sensor It automatically shuts the STINGER off when the recovery cylinder reaches 80 of its liquid fill limit Note If this option is installed the STINGER will not operate unless it is connected to a recovery cylinder with a compatible level float switch If the recovery cylinder doesn t have a float switch a shorting cap must be installed on the shutoff cord Storage Pocket This heavy duty storage pocket is used to store the Operation Manual the Warranty Card and the original invoice These items should be kept with the unit at all times Vapor Liquid Recovery Operations Perform the following steps when reco
19. nded warranty of 5 years If the unit is in need of warranty service within 1 year of its date of purchase it will be replaced with a brand new one via our over the counter OTC exchange program To obtain a warranty replacement unit via the OTC exchange program the following steps must be followed 1 Return the unit to the wholesaler that it was purchased from along with proof of purchase original or copy of sales receipt 2 If the wholesaler determines the unit is eligible for OTC exchange it will be replaced with a brand new one If the failure is determined to have been caused by customer misuse or mishandling the warranty will be voided 3 wholesaler should then contact our Customer Service Department for a return goods authorization RGA in order to return the defective unit and have an order entered for its replacement Proof of purchase will be required in order to process the RGA OTC exchange units are processed as no charge orders you have any questions please contact our Customer Service Department at 800 736 4666 or email them at help mybacharach com USA 2 205 Westwood Ave Long Branch NJ 07740 equipment 1 877 742 TEST 8378 Fax 732 222 7088 we salesteam Tequipment NET 25 DECLARATION OF CONFORMITY The manufacturer of the products Bacharach Inc covered by this declaration 621 Hunt Valley Circle New Kensington PA 15068 Year conform
20. ous If your STINGER is equipped with the optional 80 tank full shutoff cord connect this cord to a DOT recovery cylinder s float switch This cord connection will automatically shut OFF the STINGER when the recovery cylinder reaches 80 of its liquid full limit It is recommended that you use this cord for added safety If your STINGER is not equipped with an 80 tank full shutoff cord if you are using a recovery cylinder that does not have a float switch then you must use a scale to prevent overfilling the cylinder Note If the 80 tank full shutoff cord is present but not being used then a shorting cap must be installed on the shutoff cord in order for the STINGER to operate Bacharach uses and recommends the Air Conditioning amp Refrigeration Institute s ARI Guideline K for the safe filling and handling of used refrigerant This Publication is available from ARI at http www ari org The following information provides the safe fill weights for used refrigerant based on the size of the container and is in accordance with Guideline K WATER NET REFRIGERANT GROSS CONTAINER CAPACITY WEIGHT WEIGHT APPROX 30 Ibs 24 Ibs 38 Ibs 50 Ibs 40 Ibs 59 Ibs 95 Ibs 76 Ibs 118 Ibs 145 Ibs 98 Ibs 153 Ibs 238 Ibs 190 Ibs 274 Ibs 16 Recovery Tips e Use the shortest hoses possible Long hoses increase the recovery time Remove all restrictions in the hoses Hoses with ball valves on the ends are better than hoses th
21. r resulting in premature failure Use the liquid push pull method or the liquid pull method to transfer large amounts of liquid refrigerant virgin or dirty Attention You must use an agency approved in line filter when recovering liquid Contaminants particularly from the bottom of recovery cylinders can enter the STINGER and become lodged in the valve seats causing damage and resulting in leaks We recommend using Bacharach in line filter P N 07 1700 to guarantee optimum pumping speed CONNECT TO HIGH SIDE LOW SIDE OR BOTH SERVICE PORTS HVAC UNIT APPLIANCE CONTAINING REFRIGERANT OPTIONAL 80 TANK FULL SHUTOFF CORD VAPOR LIQUID DOT APPROVED RECOVERY TANK 10 Liquid Push Pull Recovery Operations Attention Before attempting liquid push pull recovery operations please review this page A scale or liquid sight glass can be used to determine when all the liquid is recovered The STINGER will not pull a vacuum using the liquid push pull recovery operation To finish the recovery operation you must perform vapor recovery operations as described on Page 9 GUIDLINES any of the following conditions are present the system being evacuated the liquid push pull operations may not be practical and vapor recovery operations should be performed The equipment contains less than 20 Ibs of refrigerant The equipment is heat pump other system with refrigerant flow that would prevent
22. ss High pressure cutoff at 550 psi Compressor is protected by Protection circuit breakers and internal compressor thermal sensor Optional 80 tank full shutoff kit P N 2090 0091 Pressure Low Side design pressure 450 PSI Ratings High Side design pressure 550 PSI Operating Range 32 to 104 F 0 to 40 C Blow Molded High Impact Polyethylene Size Weight Length 17 Width 9 5 Weight 28 Lbs Certification Complies with UL1963 not evaluated for automotive use Refrigerant Recovery Rates Certified per AHRI 740 95 amp 740 98 Liquid Push Pull Vacuum Level Refrigerant Liquid Rate Vapor Rate inches Hg 3 53 Ib min 12 30 Ib min 0 29 Ib min 1 60 kg min 5 58 kg min 0 13 kg min 19 R 134A 2 67 b min 10 98 Ib min 0 22 Ib min 1 21 kg min 4 98 kg min 0 10 kg min gt 15 15 3 02 Ib min 14 62 0 22 1 37 kg min 6 63 kg min 0 10 kg min Table of Contents INtMODUCTION es steel 2 STINGER Specifications 3 Table Of CONTENTS 4 General Satety Hews 5 Operational 6 Description Features 7 Vapor Liquid Recovery 9 Standard Recovery Hose 10 Liquid Push Pull Recovery Operations 11
23. tructions that accompany all accessories Improper use of accessories may damage the equipment or create a hazard Repair damaged parts Do not operate the unit with a defective part Repair unit to proper operating conditions Operational Safety A WARNING Inhalation of high concentrations of refrigerant vapors is harmful and may cause heart irregularities unconsciousness or death Deliberate inhalation of refrigerants is extremely dangerous and may cause death Vapor reduces the oxygen available for breathing and is heavier than air Decomposition products are hazardous Liquid contact can cause frostbite All refrigerant containers equipment and hoses are under high pressure Avoid breathing high concentrations of vapors Use with sufficient ventilation to keep operator exposure below recommended limits especially in enclosed and low lying areas Avoid contact of liquid with eyes and prolonged skin exposure Wear safety goggles and protective gloves Make sure the power switch is in the OFF position before plugging this equipment into an AC power source Unplug unit before servicing otherwise an electrical shock hazard will be present when the unit is disassembled Use caution when connecting or disconnecting hoses Improper usage result in refrigerant burns frostbite If a significant refrigerant leak occurs proceed immediately to a well ventilated area Do not apply open flame or heat unit above 1
24. um length 50 feet 12 gauge cord maximum length 100 feet Use approved hoses Use refrigerant connection hoses that are approved to SAE J2196 1992 These hoses must provide a shut off device within 12 inches of the ends and must be approved for outdoor usage Use approved recovery tank Use a DOT approved refrigerant recovery tank made for use with the type of refrigerant being recovered Note that R 410 is capable of pressures exceeding 600 psi Typical DOT recovery cylinders are rated at 350 psi with a pressure relief set at 550 psi These cylinders should not be used with R 410A Only cylinders rated at 400 psi with the relief valve setting at 600 psi should be used to for R 410A Failure to use the proper cylinder can be extremely dangerous Use weight scale A scale P N 2010 0000 must be used to indicate when the recovery tank is 80 full when the STINGER does not have the 80 Shutoff Kit option installed Avoid dangerous environments Although the unit can be used outdoors we do not recommend operation in the rain or in wet locations Secure the unit when working above floor level This equipment should not be used in the vicinity of spilled or open containers of flammable materials Ventilation requirements This equipment should be used in a location with mechanical ventilation that provides at least 4 air changes per hour or the equipment should be located at least 18 above the floor Use recommended accessories Follow the ins
25. vering refrigerant that is either in vapor or liquid form Note Refer to R 410A Recovery Special Notes on Page 14 when recovering R 410A 1 Turn off all electrical or mechanical power to the refrigerant device to be evacuated 2 Make proper hose connections Connect refrigerant hoses to recovery cylinder STINGER and A C system as shown on Page 10 When possible use a manifold gauge set to recover refrigerant from both the high and low side service ports This will speed up the recovery rates A CAUTION If the 80 tank full shutoff cord is not used then use a scale P N 2010 0000 to monitor the refrigerant level in the recovery cylinder in order to prevent overfilling A CAUTION When recovering R 410A you must use a recovery cylinder approved for use with R 410A Standard recovery cylinders with 350 psi working pressures are not approved for use with R 410A 3 Turn the inlet valve to the CLOSED position the outlet valve to the OPEN position and the PURGE valve to the RECOVER position Open the vapor valve on the DOT recovery tank 4 Use the rear mounted power switch to turn ON the STINGER Note When recovering liquid in rare instances a knocking sound may come from the compressor This indicates that too much liquid is entering the compressor The inlet valve must be regulated closed until this knocking sound stops otherwise compressor damage could occur Pumping liquid when the compressor
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