Stinger(Blue) User Manual
Contents
1. _______ _ nt 27 Schematic y u u ee eae 30 STINGER Parts 31 Compressor Parts List 33 Declarattion OF Conformity 35 2090 0217 Rev 6 3 Safety A 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 A WARNING This unit is capable of over pressurizing a 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 A BEFORE handling refrigerants read the material safety data sheet from the refrigerant manufacturer CAUTION These instructions are for personnel trained experienced in the handling of refrigerants Unqualified individuals should not attempt to operate this equipment Failure to follow proper operating procedures may cause personal injury A WARNING Inhalation of high concentrations of refrigerant vapors is harmful and may cause heart irregul2. 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 A GENERAL SAFETY GUIDELINES p Avoid breathing high concentrations of vapors e Use with sufficient ventilation to keep operator exposure below recommended limits especially in enclosed and low lying areas e Avoid contact of liquid with eyes and prolonged skin exposure e Wear safety goggles and protective gloves e 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 e Use caution when connecting or disconnecting hoses Improper usage may result in refrigerant burns frostbite If a significant refrigerant leak occurs proceed immediately to a well ventilated area e Do not apply open flame or heat unit above 125 F 2090 0217 Rev 6 5 Do not allow refrigerants to contact open flame Decomposition will occur Inhalation of decomposition is harmful First Aid Inhalation 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 Contact In case of liquid contac
3. PROBLEM AC power switch is ON but fan com pressor 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 2090 0217 Rev 6 oting CAUSE ACTION 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 Attach power cord Verify voltage at job site Identify cause of breaker activation rectify and reset Connect yellow STI cord to tank If tank 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 do
4. The Measurable Difference LINGER Refrigerant Recovery Unit High Performance e Oilless e Commercial User Manual ASO CERTIFIED 2090 0217 Rev 6 w ahridirectory org Refrigerant Recovery Recycling Equipment Ap ri 201 2 AHRI Standard 740 Congratulations on your purchase of the STINGER high performance oilless 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 WARRANTY 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 unit s motor brushes carry an extended 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 from whom it was purchased 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 v
5. Figure 4 Liquid Push Pull Recovery Operation 18 2090 0217 Rev 6 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 A 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 HVAC UNIT APPLIANCE CONTAINING REFRIGERANT SUCTION LINE DISCHARGE LINE CONNECT VIRGIN 2 9 TANK TO HIGH SIDE Liquid Eu PORT lt CONNECT STINGER 9 O cuv TO LOW SIDE PORT TO PULL LIQUID VIRGIN OPEN Te REFRIGERANT OPTIONAL VAPOR o Virgin 29 SIGHT GLASS Liquid DOT APPROVED RECOVERY TANK LBS CHARGING SCALE CHARGING SCALE Figure 5 Liquid Pull Recovery Charging Operation 2090 0217 Rev 6 19 The liquid pull method is used to move a large amount of liquid refrigerant without the refrigerant passing directly through the STINGER The virgin 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
6. ha T gt wis 0409 5 330 NO LINDYID OV HOLIMS QVOTH3AO 2090 0217 Rev 6 30 STINGER Parts List See exploded view of STINGER in Figure 10 Part ee AT mee pesme panee ESE faner Si 2090 0217 Rev 6 31 5 Not Visible Figure 10 Stinger Exploded View 2090 0217 Rev 6 32 Compressor Parts List See exploded view of compressor in Figure 11 am 20511900 4 Screw Machine Mx 10MM Jo 20810310 5 Piston Cup Seal Retainer o 2050000 6 Piston Gupse 7 Ps 2081 0400 8 Piston Joumal Bearing Joa 9 Owmk 2077 0940 10 Crankcase Cover Gasket 291030 5 21090 14 Simons 21050 20770950 1 v Ole x 20900059 18 VevePmteAsemby o 2081 0280 19 F 3 2051190 20 Screw Cap MEXSONM 2000040 21 MowSusms 2 Compressor Rebuild Kit Includes Items 4 5 6 16 18 Any or all of these shims may be used 5 2090 0217 6 33 D poldx3 10ssaidwoy 40 100 0 000 0 HSN14 SI NOLSId dO SV SL tl EL SW3LI SWIHS TIYL
7. valve to RECOVER Rotate outlet valve to OPEN position Open tank vapor valve Check and clear blockage Bleed air from system tank Turn unit OFF and then back ON Rotate inlet valve to RECOVER Check and clear blockage Attach power cord Verify voltage at job site Identify cause of breaker activation rectify and reset Turn unit OFF and then back ON Replace fan Remove obstruction Reduce inlet pressure below 80 psi by throttling the inlet valve 2090 0217 Rev 6 PROBLEM CAUSE ACTION Recovery process Head pressure too high Reduce tank temperature or too slow change tanks System refrigerant iced up Throttle gauge manifold valves and discharge valves to reduce pressure differential between LP and Restriction in hoses or HP gauges manifold gauge set Interrupt recovery process Compressor seals worn and allow ice to dissipate Check and clear restriction Rebuild compressor 2090 0217 Rev 6 29 Schematic Diagram 2neuieuos 6 npl G3N3dO SVH HOLIMS 1103 ANWL 9608 QvOTH3AO TWWHSHL i 3unssaud G3N3dO SVH HOLIMS 330SS33d ASNVOAE 440 GSHOLIMS SVH LINN ONINNNY HOSS3HdWOO uv312 330 031 gt III snivis HOLIMS 4SOLNHS 1104 ANVL 08 3 0553 TWNOILdO 1 HOLIMS 553 LANN OV LOH
8. 20 1 Phase 50 60 Hz 8 A See label on 230 1 Phase 50 60 Hz 5or 10A bacicaf 240 1 Phase 50 60 2 unit Compressor HP High Performance Oilless Cooling Two Cooling Fans 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 Temperature Operating Range 32 to 104 F 0 to 40 C Case Blow Molded High Impact Polyethylene Size LxWxH 17 9 5 x 11 43 2 cm x 24 1 cm x 27 9 cm Weight 28 Lbs 12 7 kg Certification Complies with UL1963 not evaluated for automotive use 8 2090 0217 Rev 6 Descriptions of Features Status LED Indicator Inlet Gauge Outlet Gauge Purge Valve Inlet Port Valve Outlet Port Valve Inlet Port Outlet Port Figure 1 Stinger Front View 2090 0217 Rev 6 9 Front View Components Normal operation Tank is 80 full or 550 psi pressure limit is reached shut down condition Vacuum condition has reached 13 Hg shut down condition Inlet Gauge Displays the inlet suction pressure of the system being evacuated Outlet Gauge Displays the outlet discharge pressure Status LED Indicator This valve determines what function the STINGER performs Purge Valve This valve is UP during recovery operations and DOWN f
9. Hose Connections IMPORTANT NOTES FOR LIQUID RECOVERY The Stinger can be used for pumping virgin refrigerant on an intermittent basis Unlik A A e 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 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 2090 0217 Rev 6 soH _ INVY3OIY33H HW 3ONVI1ddV LINN 2VAH 4 39 2510 11725 9 581 LOG GINON 8OdVA 00 0 4 id MM 80553841102 831114 9092 34401 nHS TINA ANVL 08 IWNOILdO 5 a 51808 32835 4 3015 MOT s 3015 01123 02 15 2090 0217 Rev 6 Liquid Push Pull Recovery Operations ATTENTION Before attempting liquid push pull re
10. L 08 IVNOILdO V 0LT 10 9 4 Fe VIS HOM _ ANI 39YVHOSIG 581 a C2 2 VOLT H 0041 20 Le 3NITNI 1NVH39Ig33H LINN OVAH Q S1HOd 32835 H1O8 HO fh t x OL LO3NNOO VOLT H USYM 511990 SIOUu e eunsseJd zaju y epioju L 21 2090 0217 6 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 refer to illustration below e Turn the inlet valve blue knob left side slowly to the PURGE position pointer DOWN position e the purge valve black knob center slowly to the PURGE position pointer DOWN position 2 The STINGER will now start purging itself
11. OTE 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 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 2090 0217 Rev 6 13 Slowly open the inlet valve until the Stinger s compressor turns on Continue to slowly regulate the inlet valve to the full open position AN 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 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 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 Standard Recovery
12. SNI 2 Q1 OL NOLSId OL YOLOW 40 2 V8 LAVHS 31VLOH ALON B 3 OL 6 8 ALON 0113J28 5140 p 91 ZL v V V 99S 81 A18W3SSV 31V ld SATWA V V A18W3SSV 41714 SATIVA 532 14 0 LL 4 ou S3DV1d Z M E d RED BLK 3 BLU 2090 0217 Rev 6 34 DECLARATION OF CONFORMITY The manufacturer of the products Bacharach Inc covered by this declaration 621 Hunt Valley Circle New Kensington PA 15068 Year conformity is declared 2009 me 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 b Name 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 2090 0217 Rev 6 35 World Headquarters 621 Hunt Valley Circle New Kensington Pennsylvania 15068 Phone 724 334 5000 Toll Free 1 800 736 4666 Fax 724 334 5001 Website www MyBacharach com E mail help MyBacharach com ISO 9001 2008
13. arities 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 A HAZARDOUS AREA WARNING This instrument has not been designed to be intrinsically safe for use in areas classified as hazardous locations DO NOT use it in hazardous classified locations 4 2090 0217 Rev 6 A COMBUSTIBLE FLAMMABLE GAS WARNING For your safety DO NOT use this device to recover refrigerants which are rated as combustible flammable gases e g ASHRAE A2 or rated refrigerants 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 A WARNING Before starting the unit you MUST OPEN the outlet port on the Stinger and open the port to the recovery tank Read entire operating instruction manual before use Failure to open the outlet port will cause permanent damage to the unit and void the warranty
14. ated 2 Make proper hose connections for liquid push pull recovery as shown in Figure 4 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 and the PURGE valve to its PURGE position NOTE The PURGE position bypasses the condenser optimizing the push pull flow rate 4 Open both the vapor and liquid valves on the DOT recovery tank 5 Turn 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 asight glass is being used you should watch it to determine when all of the liquid has been removed from the system 7 The liquid push pull recovery method will not pull a vacuum in the system You must turn OFF the STINGER and reconfigure the hoses for vapor recovery operations as described on page 13 2090 0217 Rev 6 17 RECOVER OPEN PURGE 4 CLOSED HVAC UNIT APPLIANCE CONTAINING REFRIGERANT LIQUID COMPRESSOR 1 OPEN OPTIONAL SIGHT GLASS VAPOR LIQUID DOT APPROVED RECOVERY TANK CHARGING SCALE
15. covery 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 13 GUIDELINES If any of the following conditions are present in the system being evacuated the liquid push pull operations may not be practical and vapor recovery operations should be performed y equipment contains less than 20 Ibs of refrigerant Y equipment is a heat pump or other system with refrigerant flow that would prevent you from isolating the liquid Y Equipment has an accumulator between the service ports used in the liquid recovery process Y Liquid refrigerant migration has occurred and the location of the liquid is unknown Y tubing design on the equipment does not allow for a solid column of liquid refrigerant to be formed 16 2090 0217 Rev 6 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 evacu
16. ging 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 e 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 e 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 e Use recommended accessories Follow the instructions that accompany all accessories Improper use of accessories may damage the equipment or create a hazard e Repair damaged parts Do not operate the unit with a defective part Repair unit to proper operating conditions Specifications Refrigerant Recovery Rates Certified per AHRI 740 95 amp 740 98 Refriger Liquid Liquid Rate Vacuum Level V Rat Push Pull 77 inches Hg R22 3 53 12 30 omin 0 29 gt 15 1 60 kg min 5 58 kg min 0 13 kg min R 134A 2 67 pian 10 98 0 22 min gt 15 1 21 kg min 4 98 kg min 0 10 kg min R 410A 3 02 14 62 0 22 penn gt 15 1 37 kg min 6 63 kg min 0 10 kg min 2090 0217 Rev 6 7 R 114 R 402A R 407B R 410A R 502 Compatible Refrigerants 110 1
17. lan 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 16 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 f 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 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 2090 0217 Rev 6 25 8 ainbi4 31795 100 s sou uous esf HOdVA 0041 20 N d QuOO 5 TINA 4NVL 08 TWNOILdO uiejs s y Ajilu p suod pue pinbi y 1 2 2090 0217 Rev 6 26 Troublesho
18. 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 22 2090 0217 Rev 6 RECOVER 1 Rotate inlet valve slowly to its PURGE 2 Rotate purge valve slowly to its PURGE position pointing down OPEN OFEN position pointing down 4 T 3 Keep outlet valve in its PURGE BACHARACH OPEN position during the purging process Figure 7 Purging the Stinger PURGE CLOSED DOT Recovery Cylinder Safety A WARNING This unit is capable of over pressurizing a 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 dangerous If your STINGER is equipped with the optional 80 tank full shutoff cord connect this cord to a DOT recovery cylinders float switch This cord connection will automatically shut OFF the STINGER when the recover
19. oided 3 The 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 If you have any questions please contact our Customer Service Department at 800 736 4666 or email them at helo mybacharach com Copyright 2012 Bacharach Inc All rights reserved BACHARACH is a registered trademark of Bacharach Inc All other trademarks trade names service marks and logos referenced herein belong to their respective owners 2 2090 0217 Rev 6 Table of Contents sla 4 SCIONS uu 7 Descriptions 9 Vapor Liquid Recovery Operations a a 13 Standard Recovery Hose Connections a kreeres 14 Liquid Push Pull Recovery Operations 16 Liquid Pull Recovery Charging 19 R 410A Recovery Special Notes 20 Purging the STINGER rc 22 DOT Recovery Cylinder nennen nnn 23 Recovery TIDS uuu r M M Sasa qun 25 u
20. or purging and liquid push pull operations Opens or closes the inlet port Points UP open for all recovery operations and points DOWN for purging operations Outlet Port Opens or closes the outlet port Points UP when open and Valve to the left when CLOSED Inlet Port Refrigerant hose connection for incoming refrigerant Outlet Port Refrigerant hose connection for outgoing refrigerant Inlet Port Valve 10 2090 0217 Rev 6 Power Switch Two Circuit Breakers Connector Optional for 80 Tank Full Shutoff Cord Storage Pocket Power Cord Figure 2 Stinger Rear View NOTE lf the Tank Full Shutoff Cord 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 2090 0217 Rev 6 11 Rear View Components When in the ON position this switch starts the recovery operation by turning ON the compressor Pwo Protects the STINGER from over current Breakers Connector for This optional accessory Part Number 2090 0091 optional 80 connects to a DOT recovery cylinder s overfill sensor It tank full automatically shuts the STINGER off when the recovery shutoff cord cylinder reaches 80 of its liquid fill limit This heavy duty storage pocket is used to store the Storage Operation Manual the Warranty Card and the o
21. really dirty refrigerant 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 ONLY 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 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 20 2090 0217 Rev 6 jJepui Ao VOLt H Jedoud au 951 QHOO ASOLNHS TINA 4NV
22. riginal Pocket invoice These items should be kept with the unit at all times 230 VAC units have a male IEC 60320 type plug that Power Cord requires the use of a customer supplied power cord adapter 12 2090 0217 Rev 6 Vapor Liquid Recovery Operations Perform the following steps when recovering refrigerant that is either in vapor or liquid form NOTE Refer to R 410A Recovery Special Notes on page 20 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 15 When possible use a manifold gauge set to recover refrigerant from both the high and low side service ports This will soeed up the recovery rates AN 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 AN 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 Usethe rear mounted power switch to turn ON the STINGER N
23. t immediately flush eye with water Seek medical attention Skin Contact Flush with water Treat for frostbite by gently warming the affected area 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 Stinger 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 maximum 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 2090 0217 Rev 6 e Use weight char
24. wn 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 27 PROBLEM Compressor starts but cuts out within a few minutes pressure indication on high pressure gauge is high status LED glows red 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 com pressor 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 Unit overheats 28 CAUSE ACTION 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 High pressure switch was once activated causing high pressure circuit to latch ON Inlet valve is in PURGE or CLOSED position during recovery and low pressure switch activates Blocked intake hose Power cord not attached No voltage at AC outlet Circuit breaker has opened 80 tank full switch has been activated causing tank full circuit to latch ON Defective fan Obstruction in fan blades Excessive suction pressure due to high ambient temperature Rotate function
25. y 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 or 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 2090 0217 Rev 6 23 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 and 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 24 165 38 Ibs 50 Ibs 40 Ibs 59 Ibs 95 Ibs 76 Ibs 118 Ibs 145 Ibs 98 165 153 Ibs 238 165 190 Ibs 274 lbs 24 2090 0217 Rev 6 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 that 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 p
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