Operating Manual
Contents
1. A 2 eeoeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees E Operating Manual Model 34700Z 17700Z Recovery Recycling Recharging Unit Model 34700Z 17700Z SPX ROBINAIR Recovery Recycling amp Recharging Unit SAFETY DEFINITIONS Follow all WARNING CAUTION IMPORTANT and NOTE messages in this manual These messages are defined as follows WARNING means you may risk serious personal injury or death CAUTION means you may risk personal injury property damage or unit damage IMPORTANT means you may risk unit damage and NOTEs and OPERATING TIPS provide clarity and helpful tips These safety messages cover situations ROBINAIR is aware of ROBINAIR cannot know evaluate and advise you as to all possible hazards You must verify that conditions and procedures do not jeopardize your personal safety DISCLAIMER Information illustrations and specifications contained in this manual are based on the latest information available at the time of publication The right is reserved to make changes at any time without obligation to notify any person or organization of such revisions or changes Further ROBINAIR shall not be liable for errors contained herein or for incidental or consequential damages including lost profits in connection with the furnishing performance or use of this material If necessary obtain additional health and safety information from the appropriate government agencies and the vehicle refrigerant and lubricant manufacturer2. Menu Choice Filter Capacity Displays how many pounds orkilograms of refrigerant have been recovered since the last filter change The display resets to zero after a filter drier change Refer to the instructions outlined in the Maintenance section under Replacing the Filter Drier Menu Choice Recycle Only Manual recycling may be necessary if excessive air and or moisture has been recovered from the vehicle A C system Menu Choice Tank Refill This menu item is used to transfer refrigerant from the source tank to the internal storage vessel ISV Refer to the instructions outlined in the Maintenance section under Filling the Internal Tank 4 2003 SPX Corporation Setup The first time the unit is powered up it will display the initial setup mode 1 Connect the power cord to the back of the unit and plug the other end into a correct voltage outlet 2 Turn on the main power switch Select a Language The operator may choose to have prompts displayed in one of three languages English Spanish or French 1 Use the UP or DOWN arrow key to toggle through the choices for English Spanish or French See Figure 1 2 Press START YES to select the displayed language choice Select Operating Units The operator may choose to have test results displayed in Imperial English units or Metric units 1 Use the UP or DOWN arrow key to toggle through the choices for IMPERIAL English UNITS or METRIC
3. UNITS 2 Press START YES to select the displayed operating unit choice Add Oil to Vacuum Pump IMPORTANT The vacuum pump is shipped without oil in the reservoir Failure to add oil to the vacuum pump will damage the pump 1 Remove the plug from the vacuum pump fill port See Figure 2 2 Attach the flexible tube and cap to the oil bottle and pour six 6 ounces of vacuum pump oil into the vacuum pump fill port 3 Press and release the START YES key While the vacuum pump is running slowly add oil until the level rises to the center of the reservoir s sight glass 4 Press the STOP NO key to stop the vacuum pump and install the plastic plug in the vacuum pump fill port 34700Z Recovery Recycling Recharging Unit IMPORTANT R 134a systems have special fittings per SAE specifications to avoid cross contamination with R 12 systems DO NOT adapt your unit for a different refrigerant system failure will result Start Yes Stop No Button Button Arrow Keys Figure 1 Keypad Sight Glass Figure 2 Vacuum Pump Setup Fill the Internal Tank 1 Connect the service hoses to the unit and press START YES See Figure 3 2 Connect the fill hose to a full source tank 3 Open the source tank valve 4 Install the source tank on the unit and secure the tank using the tank strap Note If using a refillable tank install the tank upside down and connect th
4. after a The filter drier change is now complete the filter drier has been changed Electrical Protection The unit is equipped with two circuit breakers 15 amp and 3 amp on the back panel If either breaker trips its button will pop out A tripped 3 amp breaker will render the fan inoperable a tripped 15 amp breaker will cause the unit to lose all power Press the circuit breaker button to reset 14 2003 SPX Corporation Maintenance Changing Vacuum Pump Oil For maximum vacuum pump performance change the vacuum pump oil after every 10 hours of operation The unit will prompt the user to perform a vacuum pump oil change after 10 hours of operation 1 Press MENU 2 Use the arrow keys to select CHANGE VACUUM PUMP OIL and press START YES to begin 3 Allow the vacuum pump to run until it automatically stops about 2 minutes 4 Remove the plastic plug on the oil fill port of the vacuum pump 5 Remove the oil drain cap from the vacuum pump and drain the oil into a suitable container for disposal Replace the oil drain cap 6 Attach the flexible tube and cap to the oil bottle and pour six 6 ounces of vacuum pump oil into the fill port 7 Press START YES While the vacuum pump is running slowly add oil until the level rises to the center of the reservoir s sight glass 8 Press STOP NO 9 Replace the plastic plug on the fill port The unit is now ready for operation Checking for Le
5. av eee eee ces canes 14 Changing Vacuum Pump Oil 06 15 Checking for Leaks 2cc2acetietageeberdseededaees 15 Filling the Internal Wank 5 2 2 2 2 2 22 080 16 Replacement Parts i0sccasdaucteakrdeeensrddas 16 Safety Precautions lt geei dutoeveaxadwavaes Inside Front Cover Waftanty siese rre rire sn g ean ee RERE RE Inside Back Cover A CAUTION This manual contains important safety procedures concerning the operation use and maintenance of this product Failure to follow the instructions contained in this manual may result in serious injury If you are unable to understand the contents of this manual please bring it to the attention of your supervisor Do NOT operate this equipment unless you have read and understood the contents of this manual 34700Z Recovery Recycling Recharging Unit 1 Introduction The 34700Z model is used on R 134a vehicles the 17700Z model is used on R 12 vehicles Both models are designed to be compatible with existing service equipment and standard service procedures Both models are UL listed single pass systems that meet SAE specifications for recycled refrigerant Follow the SAE J2210 recommended service procedure for the containment of R 134a follow the SAE J1991 recommended service procedure for the containment of R 12 The unit includes a 6 cfm 142 m Robinair high vacuum pump for fast thorough evacuation The reco
6. strap Hose Note If using a refillable tank install the tank upside Da down and connect the fill hose to the vapor valve fe _ 4 D Pes Je or 4 Press Menu and use the UP or DOWN arrow keys 1 lt to select TANK REFILL 5 Press START YES and the unit will automatically fill the internal storage vessel until it contains 15 168 of refrigerant or until the source tank is empty Press STOP NO to pause Press STOP NO again to exit or START YES to resume Note If a refrigerant source tank remains connected to the unit during normal operation the correct amount of refrigerant will be automatically maintained in the ISV The ISV may be manually refilled if necessary 6 When the fill process is complete press STOP NO to exit The unit is ready for operation Side View Replacement Parts 34700Z 17700Z Replacement Replacement Component Part No Part No 96 Red Hose 63096 68396A 96 Blue Hose 62121 68296A Filter Drier 34724 34724 Low Side Coupler 18190A High Side Coupler 18191A Vacuum Pump Oil case of 12 quarts 13203 13203 Vacuum Pump Oil case of 4 gallons 13204 13204 Maintenance Kit 13172 13172 16 2003 SPX Corporation Robinair Limited Warranty Statement Rev November 1 2005 This product is warranted to be free from defects in workmanship materials and components for a period of one year from date of purchas
7. 4 Due to ongoing product improvements 14 0 0 88 we reserve the right to change design 14 5 0 91 specifications and materials without notice 15 0 0 94 15 5 0 97 EEOSE 16 0 116 The 34700Z 17700Z units are designed to meet all applicable agency certifications including Underwriter s Laboratories Inc SAE Standards and CUL Certain state and local jurisdictions dictate that using this equipment to sell refrigerant by weight may not be permitted We recommend charging for any A C service by the job performed This weight scale provides a means of metering the amount of refrigerant needed for optimum A C system performance as recommended by OEM manufacturers RROBINAIR SPX Corporation 655 Eisenhower Drive Owatonna MN 55060 0995 USA Tech Services 1 800 822 5561 Fax 1 412 690 2001 Customer Service 1 800 533 6127 Fax 1 800 322 2890 Web site www robinair com 523040 Rev C November 17 2005 2003 SPX Corporation
8. Accept either the default weight by pressing display reads START YES or type in a desired weight using INSUFFICIENT REFRIG the number keys and then press START YES PRESS ANY KEY TO EXIT 7 The display will show an overview of all the tests Refer to the Maintenance section of this manual that were selected Press START YES to begin the JO instructions on Refilling the Internal Tank automatic sequence 12 2003 SPX Corporation Operating Instructions Automatic Automatic Function contd Note 20 If a high side charge has been selected before charging the automatic sequence will pause and beep for 30 seconds to allow the user to inject oil if desired See Replenishing the A C System Oil instructions in this manual After charging is complete the user also has the option to equalize the hoses Refer to the Equalize Hoses Procedure in this manual When the sequence is complete the display will show the amount of refrigerant that was recovered and charged Close the high and low side coupler valves and remove the service hoses from the A C system 10 If any oil was recovered during the recovery cycle and the user did not inject oil before the charge cycle manually inject oil into the A C system at this time using an oil injection tool 34700Z Recovery Recycling Recharging Unit Operating Tips e If problems are encountered during the automatic sequence the unit will be
9. IC 3 Press START YES to make a choice from the menu Press STOP NO to pause during any process and STOP NO a second time to exit a process Start Yes Button Stop No Button UP Arrow Key Menu Button DOWN Arrow Key Menu Choice Select Language Operator may choose to have prompts displayed in one of three languages English Spanish or French Menu Choice Version X XX Displays the revision level of the software in the unit Menu Choice Change Defaults For service center use only Menu Choice Change Vacuum Pump Oil For maximum vacuum pump performance change vacuum pump oil after every 10 hours of operation Refer to the instructions outlined in the Maintenance section under Changing Vacuum Pump Oil Menu Choice Vacuum Oil Time Displays how long the vacuum pump has operated since the last oil change The display resets to zero after a vacuum pump oil change has been completed Refer to the instructions outlined in the Maintenance section under Changing Vacuum Pump Oil Menu Choice Select Units Operator may choose to have test results displayed in Imperial English or Metric units Menu Choice Change Filter The filter drier removes acid particulates and moisture from the refrigerant Change the filter drier after 150 lbs 68 kg of refrigerant has been filtered Refer to the instructions outlined in the Maintenance section under Replacing the Filter Drier
10. If the pressure in the high side and low side is not equal after charge then it may be necessary to follow this procedure to ensure all the liquid refrigerant trapped in the service hoses is transferred to the vehicle A C system 1 After the charge is complete the user has the option to equalize the pressure in the hoses Selecting START YES prompts the user through the EQUALIZE HOSES procedure Select STOP NO to resume charging 2 Close the high side coupler valve Operating Tips After selecting the CHARGE function and entering a desired weight if the weight entered will leave less than 3 lbs 1 36 kg of refrigerant in the internal tank after charge the charge function will not start The display reads INSUFFICIENT REFRIG PRESS ANY KEY TO EXIT Refer to the Maintenance section of this manual for instructions on Refilling the Internal Tank Slow Charge Procedure If during the CHARGE cycle the weight fails to charge 0 05 lbs 0 02 kg in 30 seconds it may be necessary to use the vehicle to pull the charge into the A C system The unit beeps while the display alternates between CHARGE HAS SLOWED RETRY YES NO 1 If START YES is pressed the unit will ask if you want to use the vehicle to pull in the charge Selecting START YES will prompt the user through the slow charge procedure Selecting STOP NO will resume charging 2 Place the vehicle gear selector in park or neutral with the emer
11. NSIDE THE UNIT HAS A RISK OF ELECTRICAL SHOCK Exposure may cause personal injury Disconnect the power before servicing the unit OPERATING NOTE At temperatures exceeding 120 F 49 C wait 10 minutes between recovery jobs Table of Contents 1060000146600010 vcveareoac sack ei ki dat aeaieo Ei e 2 Technical Specifications 2 ee eee 2 Keypad Functions 2 0 2 hc enue ca See bay te tieean cae 3 HOSSAIN ene teen ee vee E EEE A E e E 3 Menu PUNCHONS lt 5 2i92665i46o 6baheeeoebesaeeed 4 Setup soc eeeadceeeourernnsenecedaceneeshacseen adios 5 Select a Language 4 4 4 uh etates donde hbeivdtatces 5 Select Operating Units 22222 nsec sev ed dee ee evn es 5 Add Oil to Vacuum Pump 0000 0 eee 5 Fill the Internal Tank 0 ccc eee eee teens 6 Operating Instructions 22 sv lt e422 eueeesadedcd eee heads 7 Recover Refrigerant ois cscaeke caste cu daneddaadars 7 Evacuate the A C System 2 2 2222 ee 8 Replenish A C System Oil 2 2 aveecew ews agaes 9 Recharge the A C System 0 0000 ee 10 Equalize Hoses Procedure 0000 eee 10 Operating Instructions Automatic Function 12 Maintenance 12456 kee deen eiae nee eeee ene eee cenaeas 14 General ee a er ee gee eee eee d 14 Replacing the Filter Drier 004 14 Electrical Protection cs4oy sagev
12. air changes per hour If accidental system discharge occurs ventilate the work area before resuming service DO NOT USE AN EXTENSION CORD An extension cord may overheat and cause fire If you must use an extension cord use the shortest possible cord with a minimum size of 14 AWG TO REDUCE THE RISK OF FIRE do not use the unit in the vicinity of spilled or open containers of gasoline or other flammable substances DO NOT USE COMPRESSED AIR TO PRESSURE TEST OR LEAK TEST THE UNIT OR VEHICLE AIR CONDITIONING SYSTEM Some mixtures of air and R 134a refrigerant are combustible at elevated pressures These mixtures are potentially dangerous and may result in fire or explosion causing personal injury or property damage USE THE 34700Z UNIT WITH R 134a REFRIGERANT ONLY The unit is designed to recover recycle and recharge only R 134a refrigerant Do not attempt to adapt the unit for another refrigerant Do not mix refrigerant types through a system or in the same container mixing of refrigerants will cause severe damage to the unit and the vehicle air conditioning system USE THE 17700Z UNIT WITH R 12 REFRIGERANT ONLY The unit is designed to recover recycle and recharge only R 12 refrigerant Do not attempt to adapt the unit for another refrigerant Do not mix refrigerant types through a system or in the same container mixing of refrigerants will cause severe damage to the unit and the vehicle air conditioning system HIGH VOLTAGE ELECTRICITY I
13. aks Check the unit for leaks every three months or as specified by local or state laws 1 Turn off MAIN POWER 2 Disconnect the power cord from the outlet 3 Open the rear door 4 Remove the top cover and front panel 5 Use a leak detector to probe all connections for refrigerant leaks Tighten fittings if a leak is indicated 6 Reassemble the body panels and close the rear door Inspect the unit periodically for leaks The manufacturer does not reimburse for lost refrigerant 34700Z Recovery Recycling Recharging Unit Operating Tips The menu item VACUUM OIL TIME displays how long the vacuum pump has operated since the last oil change OIL TIME XX XX The time resets to zero after a vacuum pump oil change has been completed Review current local state and federal statutes cases laws and regulations to determine the correct disposal procedure for pump oil It is the responsibility of the user to determine if a material is a hazardous waste at the time of disposal Ensure you are in compliance with all applicable laws and regulations 15 Maintenance Filling the Internal Tank This menu item is used to transfer refrigerant from the source tank to the internal storage vessel ISV 1 Connect the fill hose to a full source tank 2 Open the source tank valve 3 Install the source tank on the unit and secure the Low Side source tank using the tank
14. automatic oil drain this may require 90 seconds to complete 6 After the oil drain is complete the display alternates between RECOVER COMPLETE CHECK OIL BOTTLE RECOVERED XX XX LBS X XX KG Note The displayed recovered weight can vary depending on ambient conditions and should not be used as an indicator of scale accuracy 7 Check the oil drain bottle and note the amount of oil that was removed from the A C system This is the amount of oil that must be charged into the A C system after evacuation is complete 8 A pressure rise may occur if there was freezing in the A C system during recovery To ensure complete recovery of refrigerant the unit will automatically wait 5 minutes and monitor for a rise in pressure above 0 in Hg If arise occurs the unit will repeat the recovery process and wait another 2 minutes for a pressure rise above 0 in Hg The unit will continue to recover and wait until it maintains a vacuum for 2 minutes Note The high and low side lights on the control panel will remain ON until the recovery is complete 9 Press STOP NO to exit Recovery is complete You are now ready to make repairs to the A C system if necessary or advance to the evacuation process 34700Z Recovery Recycling Recharging Unit Oil Drain Bottle Figure 4 Operating Tips e After selecting the RECOVER function if system pressure is below 25 psi the display reads LOW SYSTEM PRESSURE un
15. cturer prohibits the use of the recovery recycling equipment on air conditioning A C systems containing leak sealants either of a seal swelling or aerobic nature This Limited Warranty does NOT apply if e The product or product part is broken by accident e The product is misused tampered with or modified e The product is used for recovering or recycling any substance other than the specified refrigerant type This includes but is not limited to materials and chemicals used to seal leaks in A C systems CONVERSION TABLE Visit our web site at OZ LBS wey www robinair com 05 0 03 or eae tice Call our Toll Free 2 0 0 13 Technical Support Line at 800 822 5561 3 5 0 22 in the continental U S or Canada 40 0 25 45 0 28 a 5 0 0 31 In all other locations contact your local distributor To help us serve 5 5 0 34 you better please be prepared to provide the model number serial 6 0 0 38 number and date of purchase of your unit 65 0 41 7 0 0 44 75 0 47 To validate your warranty complete the warranty card attached to 8 0 0 50 your unit and return it within ten days from date of purchase 8 5 0 53 9 0 0 56 95 059 NATIONWIDE NETWORK OF AUTHORIZED SERVICE CENTERS 10 0 0 63 If your unit needs repair or replacement parts contact the service 10 5 0 66 center in your area For help in locating a service center call the ie your Ip g 0 0 69 toll free technical support line 11 5 0 72 12 0 0 75 125 0 78 13 0 0 81 13 5 0 8
16. e All parts and labor required to repair defective products covered under the warranty will be at no charge The following restrictions apply 1 The limited warranty applies to the original purchaser only 2 The warranty applies to the product in normal usage situations only as described in the Operating Manual The product must be serviced and maintained as specified 3 If the product fails it will be repaired or replaced at the option of the manufacturer 4 Transportation charges for warranty service will be reimbursed by the factory upon verification of the warranty claim and submission of a freight bill for normal ground service Approval from the manu facturer must be obtained prior to shipping to an authorized service center 5 Warranty service claims are subject to authorized inspection for product defect s 6 The manufacturer shall not be responsible for any additional costs associated with a product failure including but not limited to loss of work time loss of refrigerant cross contamination of refrigerant and unauthorized shipping and or labor charges 7 All warranty service claims must be made within the specified warranty period Proof of purchase date must be supplied to the manufacturer 8 Use of recovery recycling equipment with unauthorized refrigerants or sealants will void warranty e Authorized refrigerants are listed on the equipment or are available through the Technical Service Department e The manufa
17. e fill hose to the vapor valve 5 Press START YES and the unit will automatically run a 5 minute vacuum to clear all internal air 6 After the vacuum pump shuts off the unit automatically begins filling the internal storage vessel Add at least 8 lbs 3 6 kg of refrigerant to ensure enough refrigerant is available for charging This process takes 15 20 minutes The unit stops when a sufficient amount of refrigerant has been transferred to the internal tank or when the source tank is empty Press STOP NO to pause Press STOP NO again to exit or START YES to resume 7 When the fill process is complete press STOP NO to exit The unit is ready for operation Note There is no need to calibrate the scale it is calibrated at the factory High Side Hose Low Side Hose Power Pa Cord oe Fill Hose QI Source Tank Strap Figure 3 Side View 2003 SPX Corporation Operating Instructions Recover Refrigerant 1 Empty the oil drain bottle located on the right hand side of the unit if necessary or make note of the current oil level See Figure 4 2 Connect the high and low side hoses to the vehicle A C system 3 Open the coupler valves on the hoses 4 Press RECOVER 5 When the system has recovered to a vacuum level of approximately 13 in Hg the compressor automatically shuts off The unit goes into an
18. eaks over time fittings can loosen as the unit is moved Open the door panel and trace lines using a leak detector Check connections on the back of the unit also Tighten any loose fittings or connections you may find Replacing the Filter Drier The filter drier on this unit is designed to trap acid and particulates and to remove water from refrigerant Change the filter drier after every 150 Ibs 68 kg of refrigerant has been recycled to ensure adequate moisture and contaminant removal The unit will prompt the user to change the filter drier after 150 lbs of refrigerant has been recycled _ Filter Drier IMPORTANT For best results use Robinair filter driers All performance tests and claims are based on using the filter drier specified for this unit Using a different filter drier may affect the performance of the unit and test results Order Robinair No 34724 1 Press MENU 2 Scroll through the menu to CHANGE FILTER and press START YES The unit will begin clearing Rear View without shroud the filter 3 When clearing is complete the display reads TURN Operating Tips main power and unplug the machine displays how many pounds or kilograms of 4 Open the unit door and replace the old filter with a refrigerant have been recovered since the new filter last filter change 5 Close the unit door plug in the machine and turn FILTERED XXX LBS KG ON main power The amount filtered resets to zero
19. ep three times and the control panel readout will pinpoint the problem encountered The sequence will remain paused until the user enters a decision regarding how to proceed Before the unit begins evacuating the A C system during the automatic sequence it checks for any pressure in the system that might damage the vacuum pump If pressure is detected the unit displays PRESSURE EXISTS PRESS ANY KEY TO EXIT Press any key to exit the automatic sequence If a leak check was selected at the end of vacuum and a leak is detected the unit displays LEAK CHECK FAILED PRESS STOP TO EXIT PRESS START TO CONTINUE Press stop to exit the automatic sequence and perform needed repairs Press start to continue the automatic sequence despite the failed leak check To ensure an accurate leak test it is imperative that a thorough recovery and evacuation of the system has been performed During the recovery process cold spots can develop in the automotive system Pockets of refrigerant in desiccant and in system oil will continue to vaporize as the A C system temperature equalizes toward ambient As this occurs A C system pressure will increase which may be interpreted by the unit as a leak This will vary somewhat with ambient temperature conditions 13 Maintenance General Maintenance 1 On a regular basis wipe off the unit using a clean cloth to remove grease and dirt 2 Periodically check internal components for l
20. gency brake ON 3 Start the vehicle Set the A C system to its maximum Setting 4 Press START YES The unit charges out of the low side inlet only allowing the vehicle s compressor to pull the refrigerant into the A C system When the charge is complete the display shows EQUALIZE HOSES X XX LBS KG CHARGED 10 2003 SPX Corporation Operating Instructions Equalize Hoses contd 3 Place the vehicle gear selector in park or neutral with the emergency brake ON 4 Start the vehicle Set the A C system to its maximum setting 5 Press START YES The unit internally connects the low and high side hoses allowing the vehicle s compressor to pull the refrigerant into the A C system When the charge is complete the display shows CLEAR COMPLETE X XX LBS KG CHARGED 6 Close the low side coupler valve Remove the service hoses from the A C system Shut OFF the vehicle The A C system is now ready for use 34700Z Recovery Recycling Recharging Unit A WARNING To prevent personal injury verify the vehicle is in park or neutral with the emergency brake ON before starting the engine Never run a vehicle without adequate ventilation in the work area 11 Operating Instructions Automatic The automatic function allows a user to program an automatic recovery vacuum leak test and or charge sequence The user may choose to skip any step in the automatic operation during the program
21. l injector bottle reaches the o ring 7 Press STOP NO after the oil inject is complete to Oil Drain Bottle recharge the system with refrigerant The display will prompt into the charge mode Charge mode Figure 5 after injecting oil will only allow a high side charge Note You must recharge the A C system with refrigerant at this time to ensure all the oil is delivered 34700Z Recovery Recycling Recharging Unit 9 Operating Instructions Recharge the A C System If an oil inject has already been performed you may skip steps 1 and 2 1 Press CHARGE 2 Select START YES to perform an oil inject select STOP NO to skip the oil inject 3 Press CHARGE to toggle between a high side or low side charge Note Charge mode after injecting oil will only allow a high side charge 4 Accept either the default weight by pressing START YES or type in a weight using the number keys and press START YES 5 After a valid charge weight is entered the display reads CHARGE IN PROGRESS DO NOT DISTURB CHARGED X XX LBS X XX KG Moving or bumping the unit at this point may result in an incorrect reading 6 When the charge is complete the display reads EQUALIZE HOSES X XX LBS KG CHARGED Press START YES to equalize hoses Press STOP NO to resume charging Equalize Hoses After the charge is complete the user has the option to equalize the pressure in the hoses to ensure a more accurate charge
22. ming A total automatic sequence may take an hour to complete Note Oil recovered during the recovery cycle can be injected by the user before the charge cycle or can be manually injected into the vehicle after charge using a separate oil injection tool Automatic Function froma 9 1 Connect the high and low side service hoses to the A C system and open the coupler valves on Recoverj the hoses VACUUM INJECT 2 Press AUTOMATIC cHARGE 3 The unit will ask if a recovery is needed Press STOP NO to skip the recovery cycle Press START YES to accept 4 The unit will ask if vacuum is needed for evacuation Press STOP NO to skip the vacuum cycle Press START YES to accept If START YES is selected press the START YES key again to accept the default evacuation time of 15 minutes or enter the desired evacuation time by using the number keys and press START YES again 5 If vacuum has been selected the unit will ask if a leak check is needed Press STOP NO to skip the leak check Press START YES to accept 6 The unit will ask if a charge is needed Press STOP NO to skip the charge cycle Operating Tips Press START YES to accept a charge Press CHARGE to toggle between high or low side If the weight entered will leave less than 3 Ibs 1 36 kg of refrigerant in the internal tank after charge or both charge the charge function will not start The
23. or resumes a YES function or answers a query STOP STOP NO terminates or pauses a function or answers a query MENU displays the selection menu UP or DOWN arrows are used for scrolling through menu items RECOVER activates the recovery RECOVER sequence VACUUM activates the vacuum and VACUUM automatic recycling sequence followed by an option to activate a vacuum leak check CHARGE charges the vehicle A C CHARGE system with a programmed amount of refrigerant INJECT OIL injects oil into the vehicle AUTOMATIC activates a menu which AUTOMATIC prompts the user through setting up an automatic recover vacuum vacuum leak check charge sequence HWM AR Glossary A C System The vehicle air conditioning system being serviced Internal Storage Vessel The refillable refrigerant storage vessel designed specifically for this unit 30 16 14 kg Source Tank A disposable tank of new refrigerant used to refill the internal storage vessel not included Unit The 34700Z or the 17700Z 34700Z Recovery Recycling Recharging Unit 3 Introduction Menu Functions 1 Press the MENU button on the keypad 2 Press the UP or DOWN arrow key to scroll through the menu choices shown on the second line of the display SELECT LANGUAGE VERSION X XX CHANGE DEFAULTS CHANGE VACUUM PUMP OIL VACUUM OIL TIME CHANGE FILTER FILTER CAPACITY RECYCLE ONLY TANK REFILL SELECT UNITS IMPERIAL METR
24. perature equalizes toward ambient As this occurs A C system pressure will increase which may be interpreted by the unit as a leak This will vary somewhat with ambient temperature conditions 2003 SPX Corporation Operating Instructions Replenish A C System Oil Oil may be replenished through the high side after the vacuum function or with an oil inject tool after charging the vehicle IMPORTANT To prevent damage to equipment charge only the amount of oil that was removed from the A C system during the recovery process If no oil was removed from the A C system during recovery DO NOT charge any oil into the A C system Empty the oil drain bottle before recovering an A C system to prevent an inaccurate oil charge sa a ome 1 Refer to the vehicle service manual to determine the correct oil for the A C system being serviced 2 Check the oil drain bottle to determine the amount of oil that was removed See Figure 5 3 Adjust the o ring around the oil injector bottle to the required oil charge level For example if the bottle s oil level is at 4 ounces O ring and you need 1 2 ounce of oil to replenish the A C system place the o ring at the 3 1 2 ounce level 4 Attach the oil injector bottle to the unit 5 Press the INJECT OIL button The unit looks for pressure in the hoses and temporarily displays EQUALIZING PRESSURE 6 When prompted press and hold INJECT OIL until the oil level in the oi
25. s ALLOW ONLY QUALIFIED PERSONNEL TO OPERATE THE UNIT Before operating the unit read and follow the instructions and warnings in this manual The operator must be familiar with air conditioning and refrigeration systems refrigerants and the dangers of pressurized components If the operator cannot read English operating instructions and safety precautions must be read and discussed in the operator s native language ibe one S el operador no puede leer ingl s las instrucciones de operaci n y las precauciones de seguridad deber n leerse y comentarse en el idioma nativo del operador Si l utilisateur ne peut lire l anglais les instructions et les consignes de s curit doivent lui tre expliqu es dans sa langue maternelle PRESSURIZED TANK CONTAINS LIQUID REFRIGERANT Do not overfill the internal storage vessel because overfilling may cause explosion and personal injury or death Do not recover refrigerants into nonrefillable containers use only federally authorized refillable containers DOT spec 4BW or 4BA HOSES MAY CONTAIN LIQUID REFRIGERANT UNDER PRESSURE Contact with refrigerant may cause personal injury Wear protective equipment including safety goggles Disconnect hoses using extreme caution DO NOT BREATHE REFRIGERANT AND LUBRICANT VAPOR OR MIST Exposure may cause personal injury especially to the eyes nose throat and lungs Use the unit in locations with mechanical ventilation that provides at least four
26. ss START YES to perform the leak check Press STOP NO to skip the leak check and begin evacuation 5 The unit evacuates the A C system and stops when the specified time has elapsed Press STOP NO to pause the process Press START YES to resume or STOP NO again to exit You are now ready to replenish the A C system oil if necessary or to recharge the system with refrigerant Operating Tips e Ifthe vacuum pump has run for 10 or more hours without an oil change the unit displays VACUUM OIL TIME XX XX CHANGE OIL NOW Refer to the Maintenance section of this manual for instructions regarding Changing Vacuum Pump Oil Before the unit begins evacuating the A C system it checks for any pressure in the system that might damage the vacuum pump If pressure is detected the unit displays PRESSURE EXISTS PRESS ANY KEY TO EXIT Press any key to exit and recover refrigerant before proceeding If a leak check was selected at the end of vacuum and a leak is detected the unit displays LEAK CHECK FAILED PRESS ANY KEY TO EXIT Press any key to exit the evacuation perform needed repairs and repeat evacuation To ensure an accurate leak test it is imperative that a thorough recovery and evacuation of the system has been performed During the recovery process cold spots can develop in the automotive system Pockets of refrigerant in desiccant and in system oil will continue to vaporize as the A C system tem
27. til pressure increases or the START YES button is pressed Verify the high and low side hoses are connected and the coupler valves are open Press STOP NO to exit at this point After selecting the RECOVER function if 150 lbs 68 kg or more of refrigerant has been recovered since the last filter drier change the display reads FILTER WEIGHT XXX LB XX KG CHANGE FILTER NOW Refer to the Filter Change Procedure in Maintenance section of this manual for details regarding replacing the filter After selecting the RECOVER function if the unit has refrigerant in the low side plumbing it begins a clearing process and displays CLEARING IN PROGRESS If you wish to skip the clearing operation or stop the clearing prematurely press START YES Operating Instructions Evacuate the A C System 1 Ensure service hoses are connected and the coupler valves are OPEN 2 Press VACUUM 3 Press START YES to accept the default evacuation time of 15 minutes or enter the desired vacuum time using the number keys and press START YES The unit pulls a vacuum on the vehicle A C system to remove any air and boil off any moisture that may be present in the system IMPORTANT Evacuate the system for at least 15 minutes or follow the A C system manufacturer s specifications to ensure adequate moisture and contaminant removal 4 The unit will give you the option of doing a leak check after evacuation Pre
28. very compressor is not a vacuum pump The compressor pulls the A C system to a partial vacuum only use the unit s vacuum cycle to remove moisture from the A C system We recommend a minimum 15 minute vacuum or follow the vehicle manufacturer s recommendation Note R 134a systems require special oils Refer to the A C system manufacturer s service manual for oil specifications High Side Flow Indicator an illuminated red light indicates high side flow from the vehicle A C system through the unit High Side Manifold Gauge connects to vehicle A C system and shows system s high side pressure Digital Display the visual interface between the operator Low Side Manifold Gauge and the machine connects to vehicle A C system and shows system s low side pressure Main Power Switch supplies electrical power to the unit Low Side Flow Indicator an illuminated blue light indicates low side flow from the vehicle A C system through the unit Technical Specifications VONAGE tics hie eee uryt sesat 115V 60 Hz Pump Free Air Displacement 6 cfm 142 l m Operating Range 50 to 120 F 11 to 49 C Dimensions 50 H x 34 W x 23 D Filter Drier 43 cu in spin on type UCT 127 cm X BGA cim 38cm E 2 2003 SPX Corporation Introduction A lt 0 Q c gt O Oo 5 START START YES begins
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