Model 34788
Contents
1. Press the 2 key once to see the 2 on the digital display press the 2 key three more times to see the C on the display After the appropriate letter is shown on the display pause for a moment until the cursor moves to the next position Maintenance Replace the Filter Drier contd 5 The display reads PLEASE REPLACE FILTER Open the rear door of the unit and unscrew the old filter See Figure 12 6 Look at the new filter verify both o rings are lubricated and correctly located in the grooves See Figure 13 Thread the new filter into place Press START YES Note If the display shows SERIAL NUMBER ERROR the serial number is invalid or the filter drier has already been used in this unit 7 Close the door Press STOP NO to exit The filter drier replacement is now complete Rear View y a without shroud Scale Calibration Check The calibration check is used to ensure that the unit s internal scale is always calibrated During this test use only the calibration weight that is provided with the unit 1 Press Menu 2 Use the arrow keys to scroll to CALIBRATION CHECK 3 Refer to Figure 14 and verify the magnet on the bottom of the unit is clean Press START YES 4 The display reads ATTACH THE WEIGHT TO THE BOTTOM OF THE MACHINE PRESS START TO CONTINUE 5 Attach the weight provided to the magnet on the bottom of the unit Press START YES e If the display shows2. FROBINAIR AN SPX BRAND Operating Manual for Recovery Recycling Recharging Unit Model 34788 INAIR Recovery Recycling amp Recharging Unit AN SPX BRAND 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 clar ity and helpful information 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 manufacturers ALLOW ONLY QUALIFIED PERSONNE
3. The ISV may be manually refilled if necessary 1 Press Menu and use arrow keys to select MANUAL REFILL Press START YES The unit displays CONNECT SOURCE TANK START TO BEGIN 2 Connect the fill hose to a full source tank and open the source tank valve 3 Install the source tank and secure 1t to the unit with the source tank strap in such a way that liquid refrigerant is supplied to the connection 4 Press START YES to begin The display shows TANK FILL IN PROGRESS TRANSFER XX LBS 5 The unit automatically stops when the preset tank fill level is reached or press STOP NO to exit 539602 Rev E December 23 2009 Circuit Breaker Figure 10 Back View Low and High Side Hoses Power Cord Fill Hose Source Tank Strap Figure 11 Side View 15 Maintenance Replace the Filter Drier The filter drier 1s designed to trap acid and particulates and to remove water from refrigerant To meet the SAE J 2788 mandate for adequate moisture and contaminant removal the filter drier must be replaced after 150 lbs 68 kg of refrigerant has been filtered Therefore you no longer have a choice the filter drier must be replaced The unit gives a warning when 100 Ibs of the filter capacity has been used the unit locks down when the 150 Ib filter capacity has been reached and will no longer function For this reason always have a spare Robinair No 34724 filter drier on hand Check Remai
4. 3 INJECT OIL AUTOMATIC activates a menu that AS MES AUTOMATIC helps the user set up an automatic recover vacuum leak test charge sequence RECOVER activates the recovery se quence RECOVER VACUUM activates the vacuum VACUUM sequence followed by an option to activate a leak test INJECT OIL injects oil into the vehicle INJECT OIL A C system CHARGE charges the vehicle A C ae CHARGE system with a programmed amount of refrigerant REFRIGERANT REFRIGERANT DATABASE optional DATABASE offers access to system oil and refrigerant specifications by vehicle model and year Purchase Robinair part no 34411 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 lb 14 kg Source Tank A disposable tank of new refrigerant used to refill the internal storage vessel not included Unit Model No 34788 539602 Rev E December 23 2009 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 SELECT UNITS MAINTAIN VACUUM OIL MAINTAIN FILTER REFRIG MANAGEMENT MANUAL REFILL ADJUST TANK FILL LVL CALIBRATION CHECK SELECT BEEPER TONE SERVICE MENU HOSE FLUSH DISPLAY TANK INFO 3 Press S
5. CALIBRATION APPROVED the scale is in calibration Press any key to exit e If the display shows CALIBRATION REJECT the scale is out of calibration Call your local service center for assistance e If the display shows CALIBRATION ERROR 1 verify the calibration weight is correctly attached to the magnet and verify the magnet is clean with nothing attached to it If that does not correct the problem call your local service center for assistance 539602 Rev E December 23 2009 Figure 14 17 Maintenance Change Vacuum Pump Oil For maximum vacuum pump performance change the vacuum pump oil after every 10 hours of operation The unit will display a prompt after 10 hours of operation l CAUTION To prevent personal injury do Press MENU Use the arrow keys to select MAINTAIN VACUUM OIL and press START YES The display shows how long the vacuum pump has operated since the last oil change PUMP OIL TIME X XX TIME REMAINING X XX CHANGE OIL Press START YES The display shows VACUUM OIL CHANGE TIME 2 00 and counts down to zero Allow the vacuum pump to run until it automatically stops The display then shows DRAIN OLD OIL AND ADD 5 OZ NEW OIL Refer to Figure 15 and remove the brass plug from the vacuum pump s oil fill port The pump drains faster when vented Remove the oil drain fitting cap and drain the oil into a suitable container for disposal Replace the cap Attach the fle
6. DO NOT adapt your unit for a different refrigerant system failure will result Main Power Switch Stop No Button Start Yes Button Arrow Keys Figure 2 Setup Set Tank Fill Level The operator may either accept the unit s pre set default weight of 15 lbs 6 8 kg of refrigerant stored in the internal storage vessel ISV or change the amount to accommodate the application The unit displays LEVEL 15 00 LBS ENTER TANK FILL LVL LIMIT 4 TO 17 LBS PRESS START YES TO SAVE 1 Press START YES to accept the default amount or use the keypad to enter a desired amount and press START YES Add Oil to the 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 The unit displays ADD 5 OZ OF NEW OIL TO VACUUM PUMP START TO CONTINUE 1 Remove the brass plug from the vacuum pump oil fill port See Figure 3 2 Attach the flexible tube cap to the oil bottle pour only five 5 ounces of vacuum pump oil into the fill port Note You will top off the oil in the next step as the vacuum pump is running 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 brass plug in the fill port Press START YES to co
7. Technicians using this equipment must be certified under EPA Section 609 Environmental Protection Agency For more information read the MACS information included in the accessory kit or visit the MACS website at www macsw org To validate the warranty provided by SPX Robinair complete the warranty card included in the accessory kit and mail it within ten days from the purchase date of the unit 539602 Rev E December 23 2009 1 Introduction Robinair No 34788 is used on R 134a vehicles and is designed to be compatible with existing service equipment and standard service procedures Model No 34788 1s a UL listed single pass system that meets SAE specifications for recycled refrigerant Follow the SAE J2211 recommended service procedure for the containment of R 134a The unit includes a 1 5 cfm 42 m Robinair high vacuum pump for fast thorough evacuation The compressor pulls the A C system to 0 psig then works in series with the vacuum pump to achieve highly efficient recovery and immediate recharge If the system 1s not opened for service there 1s no need to pull additional vacuum If the system 1s opened for service use the unit s vacuum cycle to remove air and moisture from the A C system We recommend a minimum 15 minute vacuum or follow the vehicle manufacturer s specs Note R 134a systems require special oils Refer to the A C system manufacturer s service manual for oil specifications Control Panel Flow Ind
8. To ensure an accurate leak test it is imperative that a thorough recovery and evacuation of the system is 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 increases which may be interpreted by the unit as a leak This varies somewhat with ambient temperature conditions 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 leaks 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 Tighten any loose fittings or connections you may find Electrical Protection The unit 1s equipped with a 15 amp circuit breaker on the back panel See Figure 10 If the breaker trips 1ts button will pop out A tripped circuit breaker will cause the unit to lose all power Press the circuit breaker button to reset Manually Fill the Internal Storage Vessel ISV This menu item is used to transfer refrigerant from a source tank to the internal storage vessel Note If a refrigerant source tank remains connected to the unit during normal operation the correct amount of refrigerant will automatically be maintained in the ISV
9. UNION ECO Se CRE CRC CSC aE OR Refer to the Maintenance section of this manual entered in Step 2 the unit slows down It ll charge for instructions to Manually Refill the Internal settle charge again settle etc with the blue red Storage Vessel ISV lights illuminating accordingly Figure 8 5 When the charge is complete the display reads CHARGED XXX LBS KG PRESS START TO EQUALIZE HOSES STOP TO EXIT Press START YES to equalize pressure in the service hoses This ensures all liquid refrigerant trapped in the hoses is transferred to the vehicle A C system for an accurate charge Note Answering STOP NO to this message will cause the machine to display COMPENSATING HOSES DO NOT DISTURB 12 Operating Instructions Recharge the A C System contd The machine charges a small amount of refrigerant into the vehicle A C system to offset any refrigerant that may be left in the hoses and then displays DISCONNECT HS HOSE DISCONNECT LS HOSE START TO CONTINUE Follow the prompts on the screen to remove the service hoses from the vehicle and skip to Step 10 6 Close the high side coupler valve The display reads DISCONNECT HS HOSE AND START A C MAX START TO CONTINUE The high side hose may be removed from the vehicle but the low side hose must stay connected to the vehicle with the low side coupler open 7 Place the vehicle gear selector in park or neutral with the emergency brake ON 8 Start the vehicle The A C syste
10. complete You are now ready to either advance to the charge process or to make repairs to the A C system followed by the evacuation process Figure 5 Operating Tips After the RECOVER function is selected e If system pressure is below 10 psi the display reads LOW RECOVER PRESSURE CHECK CONNECTIONS until pressure increases or the START YES button is pressed Verify the high and low side hoses are connected and coupler valves are open Press STOP NO to exit If 100 lbs 45 kg or more of refrigerant has been recovered since the last filter drier change the display reads FILTER WEIGHT XXX LB XX KG To meet SAE J 2788 requirements it is mandatory to replace the filter drier after 150 Ibs 68 kg of refrigerant has been filtered The unit gives a warning to replace the filter when filter weight reaches 100 lbs when filter weight reaches 150 lbs the unit locks out and ceases to operate Refer to instructions outlined in the Maintenance section under Replace the Filter Drier Operating Instructions Evacuate the A C System 1 Ensure service hoses are connected and coupler valves are OPEN 2 Press VACUUM 3 Press START YES to accept the default evacuation time of 10 minutes or enter the desired vacuum time using the number keys and press START YES IMPORTANT The unit pulls a vacuum on the vehicle A C system to remove air and boil off moisture that may be present in the system E
11. terrestre regular Se debe obtener la aprobaci n del fabricante antes de hacer el env o a un centro de servicio autorizado 5 Los reclamos de servicio de garant a est n sujetos a inspecci n de defectos del pro ducto 6 El fabricante no ser responsable de los costos adicionales relacionados con fallas en el producto que incluyen pero no se limitan a tiempo improductivo p rdida de refrigerante contaminaci n de refrigerante y env o no autorizado o cargos por mano de obra 7 Todo reclamo de servicio de garant a se debe hacer dentro del per odo de garant a establecido Se debe proporcionar la fecha de la prueba de compra al fabricante 8 El uso de equipo de recuperaci n reciclaje con refrigerantes o selladores no autoriza dos anula la garant a e Los refrigerantes autorizados se indican en el equipo o est n disponibles a trav s del Departamento de servicio t cnico e El fabricante proh be el uso de equipo de recuperaci n reciclaje en sistemas de aire acondicionado A C con fugas de sellador ya sea porque un sello se infla o es de naturaleza aer bica Esta garant a limitada NO aplica si e El producto o parte de ste se rompe ac cidentalmente e El producto se usa incorrectamente se adultera o modifica El producto se usa para recuperar o reciclar cualquier sustancia que sea diferente al tipo de refrigerante establecido Esto incluye pero no se limita a materiales y productos qu m
12. L 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 this manual operating instructions and safety precautions must be read and discussed in the operator s native language 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 per sonal 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 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
13. NE E d 6 Add Oil to the Vacuum Pump 0 00 tone se aae rre taeda sue 6 Fill the Internal Storage Vessel 22 0 sarna sais 7 Operating IRStrUCUORS ects 8 Recover Refrigerant from a Vehicle 8 Evacuate the A C System ua a ral cal da a AO dB OMe eee EO 9 Flushing the Hoses vs aia ara e a aa 10 Replenish A C System Oil 11 Recharge the A C Syston dior cia renato sata e atea 12 Operating Instructions Automatic 14 NIMMICHONCC EENAA deb osier oo ees a adn T 15 Si A II 15 Electrical Proteco Ra do dada co oi cn 15 Manually Fill the Internal Storage Vessel SV 15 Replace the FINE DH 2 3h Lt ii his ile ie soute 16 Check Remaining Filter Capacity su iesss diesssidatossssstes 16 Chance CIS PASS a ets edades aos 16 Scale Calibracion COCK D rir da ee me ae de oo cie 17 Change Vacuum Pump Ol RS ee tan oe de ou 18 Adj st Tank Fl Level nres deve pos aaa ob pa ee he e 19 Check SO CAS 2 4 0 22 ss de Dee id ir peda o 2 oe 19 Replacement Parts 02 topics po patas eos aa da taa 19 Spats Mantas cad ods D apio prado e bye cad 21 uste AE AAA 43 SAL E EreECAlULIONS seat node sien ens ot Inside Front Cover WANG a dao dd ad a es cou do Inside Back Cover IMPORTANT To comply with federal law governing A C system service you must complete and mail the MVAC Certification Form included in the accessory kit
14. OWER DRIVE OWATONNA MN 55060 0995 USA TECH SERVICES 800 822 5561 FAX 412 690 2001 CUSTOMER SERVICE 800 533 6127 FAX 800 322 2890 www robinair com 539602 Rev E December 23 2009 2006 SPX
15. TART 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 Stop No Start Yes Button Button Arrow Keys Menu Button Select Language Operator may choose to have prompts displayed in one of three languages English Spanish or French Version X XX Displays the revision level of the software in the unit Select Units The operator may choose to have test results displayed in Imperial 1b Imperial lb and oz or Metric kg 4 Maintain Vacuum Oil For maximum vacuum pump performance change vacuum pump oil after every 10 hours of operation This menu item displays how long the vacuum pump has operated since the last oil change and allows the user to reset the value once an oil change is complete Refer to the instructions outlined in the Maintenance section under Change Vacuum Pump Oil Maintain Filter The filter drier removes acid particulates and moisture from the refrigerant To meet SAE J 2788 requirements it is mandatory to replace the filter drier after 150 lbs 68 kg of refrigerant has been filtered This menu item shows how much refrigerant has been filtered since the last filter change and allows the user to reset the value once a filter change is complete A code which appears on the filter must be entered into the unit to ensure compliance with SAE J 2788 Refer to the
16. ad to enter a value between 4 Ibs and 17 Ibs and press START YES Check for Leaks Check the unit for leaks every three months or as specified by law in your jurisdiction 1 Turn off MAIN POWER and disconnect the power Inspect the unit periodically for leaks cord from the outlet The manufacturer does not reimburse 2 Open the rear door remove top cover and front panel for lost refrigerant 3 Use a leak detector to probe all connections for refrigerant leaks Tighten fittings if a leak 1s indicated 4 Reassemble the body panels and close the rear door Replacement Parts Replacement Replacement Component Part No Component Part No Filter Drier 34724 Vacuum Pump Oil Calibration Weight 540066 case of 4 gallons 13204 Service Coupler Set Maintenance Kit 15172 _ high and low side couplers 1819277 Vinyl Dust Cover optional 17492 Service Hose Set Vehicle Database optional 34411 high and low side hoses 34722 oe doe ee eee High side Storage Port 546882 Vacuum Pump Oil L de S p 546883 case of 12 quarts 13203 SA o RU 539602 Rev E December 23 2009 1 O Notes Robinair Limited Warranty Statement Rev November 1 2005 This product is warranted to be free from defects in workmanship materials and com ponents for a period of one year from date of purchase All parts an
17. at this time to ensure all the oil is delivered 539602 Rev E December 23 2009 1 3 Operating Instructions Recharge the A C System Red Light indicates 1 Press CHARGE Press CHARGE again to toggle Blue Light indicates mig ike Cnalge between a high side charge a low side charge or both Low Side Charge Note e Charge mode after injecting oil will allow only a high side charge e The blue light on the control panel indicates a low side charge the red light indicates a high side charge See Figure 2 Accept the default weight by pressing START YES or type in a weight using the number keys and press START YES 3 Select START YES to perform an oil inject select STOP NO to skip the oil inject 4 After a valid charge weight is entered the display reads CHARGE IN PROGRESS DO NOT DISTURB X XX LBS X XX KG Moving or bumping the unit at this point may result in an incorrect reading a Nie gt Operating Tips e During a charge cycle if the unit fails to transfer After selecting the CHARGE function and refrigerant due to low tank pressure the charge entering a desired weight if the weight entered process is automatically interrupted and the unit A j por tE El i s ant operates in a mode to build tank pressure Once Se 8 function will not start The display reads tank pressure is sufficient the unit automatically INSUFFICIENT REFRIG completes the charge PRESS ANY KEY TO EXIT
18. cted into the vehicle after charge using a separate oil injection tool e When a charge cycle in automatic mode is complete the machine will not prompt to equalize hoses it will automatically compensate this amount of refrigerant 1 Connect the high and low side service hoses to the A C system and open the coupler valves on the hoses 2 Press the AUTOMATIC button See Figure 9 3 The unit asks if a recovery is needed Press STOP NO to skip the recovery cycle press START YES to accept 4 The unit asks if a leak test is needed Press STOP NO to skip the leak test press START YES to accept 5 The unit asks if a charge is needed Press STOP NO to skip the charge cycle press START YES to accept Press CHARGE to toggle between high or low side charge or both Accept the default weight by pressing START YES or type in a desired weight using the number keys and press START YES 6 The display shows an overview of all the tests that were selected Press START YES to begin the automatic sequence Note 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 Replenish the A C System Oil instructions in this manual 7 When the sequence is complete the display shows the amount of refrigerant that was recovered and charged 8 Close the high and low side coupler valves and remove the s
19. d 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 Ifthe 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 sub mission of a freight bill for normal ground service Approval from the manufacturer 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 unauthor ized 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 T
20. ervice hoses from the A C system 9 Press START YES to clear the hoses 10 If any oil was recovered during the recovery cycle and oil was not injected before the change cycle use an oil injection tool at this time to manually inject oil into the A C system 14 Figure 9 Automatic Function Operating Tips e If the weight entered is more than the refrigerant available in the internal tank 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 to Manually Fill the ISV If problems are encountered during the automatic sequence the unit will beep three times and the control panel readout will pinpoint the problem encountered The sequence remains 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 may 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 test was programmed and a leak is detected the unit displays LEAK TEST 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 test
21. es interruptions de fonctionnement la perte de liquide frigorig ne la contamination des liquides frigorig nes et l exp dition et ou les frais de main d uvre soumis par des ateliers non autoris s 7 Toute r clamation pour des r parations au titre de la garantie doit tre soumise durant la p riode de garantie Une preuve d achat doit tre fournie au fabricant 8 L utilisation d un appareil de r cup ration et de recyclage avec du liquide frigorig ne ou des scellants non sp cifi s annule la garantie e Les liquides frigorig nes autoris s sont indiqu s sur l appareil ou 1ls peuvent tre obtenus aupr s du Service technique e Le fabricant interdit l utilisation d un ap pareil de r cup ration et de recyclage dans les syst mes de climatisation contenant des colmatants pour fuites que ce soient des scellants dilatation ou a robiques Cette garantie limit e NE s applique PAS si le produit e ou une partie du produit a t endommag par un accident e a t utilis de fa on inad quate ou qu il a t alt r ou modifi e est utilis pour la r cup ration et le recy clage de substances autres que le type de liquide frigorig ne sp cifi Ces substances comprennent sans toutefois s y limiter les mat riaux et les produits chimiques utilis s pour colmater les fuites des syst mes de climatisation Visit our web site at www robinair com or call our toll free Technical S
22. he manufacturer 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 The product is misused tampered with or modified e The product is used for recovering or recy cling 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 Declaracion de garantia limi tada Robinair Revision del 1 de noviembre de 2005 Se garantiza que este producto no posee defec tos de mano de obra materiales y componentes por el periodo de un a o a partir de la fecha de compra Todas las partes y mano de obra re querida para reparar los productos con defecto cubiertos bajo la garantia no tendran costo Aplican las siguientes restricciones 1 La garantia limitada aplica al comprador original nicamente 2 La garantia aplica al producto en situaciones de uso normal unicamente como lo indica el Manual de funcionamiento Al producto se le debe dar servicio y mantenimiento como se especifica 3 Si falla el producto se debe reparar o reem plazar a discreci n del fabricante 4 Los cargos de transporte de servicio de ga rantia seran reembolsados por la fabrica al verificar el reclamo de garantia y presentar una boleta de flete por servicio
23. he oil removed during the recycling process 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 Oil Injector Bottle Empty the oil drain bottle before recovering an A C system to prevent an inaccurate oil charge 1 Refer to the vehicle service manual or the optional vehicle reference database card 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 7 O ring 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 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 Oil Drain Bottle EQUALIZING PRESSURE 6 When prompted press and hold the INJECT OIL button until the oil level in the oil injector bottle reaches the o ring 7 Press STOP NO after the oil inject is complete to recharge the system with refrigerant The display will prompt into the charge mode Charge mode after injecting oil will allow only a high side charge Figure 7 Note You must recharge the A C system with refrigerant
24. icators red light indicates folds flat for storage high side flow from vehicle A C system through unit blue light indicates low side flow from vehicle A C system through unit Database Expansion Slot an AT optional vehicle database will Manifold Gauges Y connect to vehicle A C system show system s low side and high side pressure supply information regarding charge capacity by vehicle model Digital Display visual interface between operator and machine Tool Storage Areas additional storage on back side for extra filter driers and oil bottles Main Power Switch supplies electrical power to unit Technical Specifications Nominal Voltage 34788 115V 60 Hz Operating Range 50 to 120 F 11 to 49 C 34788 1 230V 50 60 Hz Filter Drier 43 cu in spin on type Utilization Voltage Range 34788 104 127 Pump Free Air Displacement 1 5 cfm 42 l m 34788 1 200 250 Dimensions 49 H x 34 W x 23 D 124 5 cm x 86 4 cm x 58 4 cm Introduction Keypad Functions When the unit is not performing a function pressing the UP or DOWN arrow key START START YES begins or resumes a func N adjusts contrast on the digital display YES tion or answers a query STOP STOP NO terminates or pauses a func tion or answers a query MENU displays the selection menu ARROWS are used for scrolling automatic through menu items 2 3 recov a
25. icos utilizados para sellar fugas en sistemas de A C nonc de la garantie limit e de Robinair R vis e le ler novembre 2005 Ce produit est couvert contre les d fauts de ma t riau de fabrication et de composant pendant un an compter de la date d achat Toutes les pi ces et la main d uvre n cessaires aux r pa rations sous garantie sont sans frais Toutefois les restrictions suivantes s appliquent 1 La garantie limit e s applique uniquement l acheteur initial 2 La garantie s applique uniquement au produit utilis dans des conditions de fonctionnement normales conform ment au manuel d utilisation Il doit tre r par et entretenu conform ment aux sp cifications 3 Si le produit subit une d faillance il sera r par ou remplac la discr tion du fabricant 4 Les frais de transport pour les r parations sous garantie sont rembours s par l usine apr s l valuation de la r clamation au titre de la garantie et apr s la soumission d une facture de transport terrestre standard L approbation du fabricant est requise avant l exp dition du produit un atelier de r pa ration autoris 5 Les r clamations au titre de la garantie sont sujettes l inspection du produit d fectueux par un personnel autoris 6 Le fabricant ne peut tre tenu responsable pour tout co t suppl mentaire li la d faillance du produit incluant sans toutefois s y limiter l
26. instructions outlined in the Maintenance section under Replace the Filter Drier Refrig Management Displays the amount of refrigerant recovered charged and replenished for the life of the unit and filtered since the last filter change Manual Refill Use to transfer refrigerant from the source tank to the internal storage vessel ISV Refer to instructions outlined in the Maintenance section under Manually Fill the ISV Adjust Tank Fill Lvl When connected to a refrigerant source the unit maintains a pre set amount of refrigerant in the internal storage vessel default is 15 lbs This value may be adjusted up or down to suit the user s needs Refer to instructions outlined in the Maintenance section under Adjust Tank Fill Level Calibration Check Use to verify internal scale calibration Refer to instructions in Maintenance section under Scale Calibration Check Select Beeper Tone Set the beeper tone to high Beeper 1 low Beeper 2 or none Mute Service Menu For Robinair service center use only Hose Flush Flushes any residual oil from the unit for service of vehicles with different oils Display Tank Info Displays internal storage vessel ISV pressure and temperature Use to check the ISV for excessive pressure Setup Unpack the Accessory Kit Unpack the accessory kit from the bag and remove the plastic packaging The kit consists of e A calibration weight e Vacuum pump oil oil fille
27. it is imperative that a thorough recovery and evacuation of the system be 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 Operating Instructions Flushing the Hoses If the next vehicle to be serviced contains a different type of oil than the previous vehicle serviced the hoses must be flushed of all residual oil to prevent contamination 1 Press the MENU button on the keypad 2 Press the UP or DOWN arrow key to scroll to HOSE FLUSH and press START YES 3 Connect the hoses to the unit s storage port connections shown in Figure 6 and open the coupler valves 4 Select START YES to begin the hose flush process The display will read FLUSH COMPLETE CONNECT SERVICE HOSES TO VEHICLE START TO CONTINUE 5 Close the coupler valves and press START YES 6 Press STOP NO to exit the HOSE FLUSH menu Figure 6 10 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 e Use only NEW oil to replace t
28. m should be set at WARNING To prevent personal injury Verify the vehicle is in park or neutral with the emergency brake ON before starting the engine maximum 9 Press START YES The display reads Never run a vehicle without adequate EQUALIZING HOSES ventilation in the work area PLEASE WAIT The unit internally connects the low and high side hoses allowing the vehicle s compressor to pull refrigerant into the A C system When the charge is complete the display shows DISCONNECT LOW SIDE HOSE START TO CONTINUE 10 Close the low side coupler valve Remove the service hoses from the A C system Shut OFF the vehicle IMPORTANT If the low side or high side coupler valves are left open the system will pull the refrigerant back out of the vehicle 11 Press START YES to begin clearing the hoses CLEARING HOSES PLEASE WAIT When the hoses are cleared the display reads CHARGE COMPLETE CHARGED XX XX LBS ANY KEY EXITS The A C system 1s now ready for use 539602 Rev E December 23 2009 1 3 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 programming A total automatic sequence may take an hour to complete Note e Oil recovered during the recovery cycle can be injected by the user before the charge cycle or can be manually inje
29. ning Filter Capacity 1 Press MENU 2 Use the arrow keys to scroll through the menu to MAINTAIN FILTER and press START YES The unit displays XXX LBS FILTERED RECOVER LOCKOUT IN XXX LBS REPLACE FILTER NOW PRESS STOP TO EXIT 3 Press STOP NO to exit Change the Filter 1 Press MENU 2 Use the arrow keys to scroll through the menu to MAINTAIN FILTER and press START YES The unit displays XXX LBS FILTERED RECOVER LOCKOUT IN XXX LBS REPLACE FILTER NOW PRESS STOP TO EXIT 3 Press START YES to proceed 4 If there is pressure in the filter the unit begins a clearing process When complete the display reads ENTER 10 DIGIT SERIAL NUMBER Use the keypad to enter the serial number that appears on the new filter drier and press START YES 16 IMPORTANT Use only authentic Robinair No 34724 filter driers in this machine All performance tests and claims are based on using this specific filter drier And only the Robinair No 34724 filter drier includes the code necessary to make the unit operable again Operating Tips Enter the Serial No for a New Filter Drier The numerical keys on the keypad include an alphabet that is used to enter the serial number code for the new filter drier The procedure is similar to text messaging For example To enter an A Press the 2 key once to see the 2 on the digital display press the 2 key again to display the A To enter a C
30. ntinue Un Sight Glass Figure 3 CAUTION The unit is programmed to run the setup procedure as outlined here To prevent personal injury do NOT operate the unit at any other time without the brass plug installed because the vacuum pump is pressurized during normal operation Setup Fill the Internal Storage Vessel ISV 1 Press START YES and the unit automatically runs a 5 minute vacuum to clear all internal air Note The burping noise heard during this process indicates air is being purged from the system this is normal 2 After the vacuum pump shuts off connect the fill hose to the liquid connector on a full source tank 3 Open the source tank valve 4 Install the source tank and secure it to the unit using the tank strap in such a way that liquid refrigerant is supplied to the connection 5 Press START YES to begin filling the internal storage vessel Add at least 8 Ibs 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 6 When the fill process 1s complete press STOP NO to exit The unit is ready for operation Note There is no need to calibrate the scale it is calibra
31. 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 pres sures These mixtures are potentially dangerous and may result in fire or explosion causing personal injury or property damage TO PREVENT CROSS CONTAMINATION USE THIS 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 HIGH VOLTAGE ELECTRICITY INSIDE 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 o TIE 2 Technical Specifications e ss beh ob oaks ee se sono toto 2 Key dd EURO OMS a a nn ee een nn bone ane 3 CROSS an do ia dt Don bd acs 3 MENOT Ta ON AAA E o eens ETER 4 DCU ee ee ee eee 5 Unpack the Accessory Kit se oc coe bares a ae nd 5 Power UPME Une lt gt m s ce cee etie ees OES dades a poe ee Be 5 o e AAA EE bee E E N E E E 5 SCO Dee AR rondha antiena Enae naa rad 5 Sec lank Pl Loveless EEE TEE E EE
32. r cap and tube e Plastic pouch containing a warranty card to be completed and mailed applicable MSDS sheets a service center listing and an envelope of Mobile Air Conditioning Society MACS information Important You must complete and mail the MVAC Certification Form and your technicians must be certified with the Environmental Protection Agency EPA to operate this equipment Power Up the Unit 1 Unwind the power cord from the handle and plug it into a correct voltage outlet See Figure 1 2 Turn on the main power switch The first time the unit is powered up it displays the initial setup mode Select a Language English Seleccionar Idioma Espanol Selection Langue Francais 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 Refer to Figure 2 2 Press START YES to select the displayed language Select Operating Units The operator may choose to have test results displayed in Imperial 1b or lb and oz or Metric kg units 1 Use the UP or DOWN arrow key to toggle through choices for IMPERIAL UNITS or METRIC UNITS 2 Press START YES to select the displayed operating unit choice 539602 Rev E December 23 2009 IMPORTANT R 134a systems have special fittings per SAE specifications to avoid cross contamination with R 12 systems
33. s y locales prescriben que el uso de este equipo para vender refrigerante por peso es posible que no sea permitido Recomendamos que se cobre el trabajo realizado por dar servicio al aire acondicionado Esta escala de peso proporciona un medio para medir la cantidad de refrigerante que se necesita para el rendimiento ptimo del sistema de aire acondicionado tal como lo recomiendan los fabricantes OEM Le modele 34788 a t concu pour r pondre aux certifications applicables de la Underwriter s Laboratories Inc aux normes SAE et CUL Certains endroits dictent l utilisation de cet quipement et il peut arriver que la vente de fluide frigorigene en fonction du poids puisse tre interdite Nous vous recommandons de facturer les services de climatisation en fonction du travail effectu Ce poids de tarification permet de calculer la quantit de fluide frigorig ne n cessaire pour un rendement optimum de la climatisation tel qu il est recommand par les fabricants de l quipement d origine Due to ongoing product improvements we reserve the right to change design specifications and materials without notice Debido a las constantes mejoras del producto nos reservamos el derecho de cambiar dise o especificaciones y materiales sin aviso En raison des am liorations constantes apport es nos produits nous nous r servons le droit de changer de concept de sp cifications et de mat riaux sans pr avis SI SERVICE SOLUTIONS 655 EISENH
34. ted at the factory 539602 Rev E December 23 2009 Low and High Side Hoses Power Cord Fill Hose connect to liquid line Figure 4 Side View Operating Instructions Recover Refrigerant from a Vehicle 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 5 2 Connect the high and low side hoses to the vehicle A C system 3 Open the coupler valves on the hoses 4 Press the RECOVER button Note The clicking noise heard during the recovery process indicates the solenoid is opening and closing this is normal 5 When the system has recovered to 0 psi the vacuum pump starts and runs until recovery 1s complete The unit then goes into an automatic oil drain this may require 90 seconds to complete 6 After the oil drain is complete the display shows RECOVER COMPLETE RECOVERED XX XX LBS X XX KG CHECK OIL BOTTLE 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 new oil that must be charged into the A C system after evacuation 1s complete e Use only new oil to replace the oil removed during the recycling process e Dispose of used oil according to local state and federal regulations Recovery 1s
35. upport Line at 800 822 5561 in the continental U S or Canada In all other locations contact your local distributor To help us serve you better please be prepared to provide the model number serial number and date of purchase of your unit To validate your warranty complete the warranty card attached to the unit and return it within ten days from date of purchase NATIONWIDE NETWORK OF AUTHORIZED SERVICE CENTERS If your unit needs repair or replacement parts contact the service center in your area For help in locating a service cen ter call the toll free technical support line or visit www robinair com Visite nuestro sitio web en www robinair com o llame sin costo a la l nea de Asistencia t cnica al 800 822 5561 en EE UU continental o Canad En todas las dem s ubicaciones comun quese con su distribuidor local Para ayudarnos a servirle mejor tenga a mano el n mero de modelo n mero de serie y fecha de compra de su unidad Para validar la garant a complete la tarjeta de garant a anexa a su unidad y devu lvala dentro de los diez d as siguientes a la fecha de compra RED NACIONAL DE CENTROS DE SERVICIO AUTORIZADOS Si su unidad necesita reparaciones o partes de reemplazo comun quese con el centro de servicio de su rea Para obtener ayuda para ubicar un centro de servicio llame sin costo a la l nea de asistencia t cnica o visite www robinair com Visitez notre site Web www robinair com ou appelez sans frais le so
36. utien technique au 800 822 5561 sur le territoire continental des Etats Unis ou au Canada Pour tout autre endroit communiquez avec votre distributeur local Afin de nous aider mieux vous servir soyez pr t a nous donner le numero de mod le le num ro de s rie et la date de l achat de votre unit Afin de valider votre garantie remplissez la carte de garantie jointe votre syst me et retournez la dans les dix jours de la date d achat R SEAU NATIONAL DES CENTRES DE SERVICE AUTORIS S Si votre unite a besoin d tre r par e ou besoin de pieces de remplacement communiquez avec le centre de service de votre r gion Pour vous aider localiser un centre de service appelez sans frais la ligne de soutien technique ou visitez le www robinair com The Robinair 34788 unit is 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 La unidad Robinair 34788 est dise ada para cumplir con todas las certificaciones de agencia aplicables incluyendo Under writer s Laboratories Inc Est ndares SAE y CUL Ciertas jurisdicciones estatale
37. vacuate the system for at least 10 minutes or follow the A C system manufacturer s specifications to ensure adequate moisture and contaminant removal 4 The unit gives you the option of doing a leak test after evacuation Press START YES to perform the leak test Press STOP NO to skip the leak test and begin evacuation 5 The unit evacuates the A C system and stops when the specified amount of 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 with new oil if necessary or to recharge the system with refrigerant 539602 Rev E December 23 2009 Operating Tips If the 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 instructions outlined in the Maintenance section under Change 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 test was selected at the end of vacuum and a leak is detected the unit displays LEAK TEST FAILED PRESS ANY KEY TO EXIT Press any key to exit the evacuation perform needed repairs and repeat the evacuation To ensure an accurate leak test
38. xible tube and cap to the oil bottle pour five 5 ounces of vacuum pump oil into the fill port Press START YES The display shows FILL PUMP TO CENTER OF SIGHT GLASS and the vacuum pump starts While the vacuum pump is running slowly add oil until the level rises to the center of the reservoir s sight glass Press STOP NO The counter resets to zero after a vacuum pump oil change has been completed Replace the brass plug on the fill port Press STOP NO to exit to the Main Menu NOT operate the unit at any time without the brass plug installed because the vacuum pump is pressurized during normal operation 18 o Sight Glass Oil Drain Fitting Figure 15 Review the laws in your jurisdiction 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 Maintenance Adjust Tank Fill Level When connected to a refrigerant source the unit maintains a default value of 15 lbs of refrigerant in the internal storage vessel This value may be adjusted up or down to suit the application 1 Press MENU 2 Use the arrow keys to scroll through the menu to ADJUST TANK FILL LVL and press START YES The unit displays LEVEL 15 00 LBS ENTER TANK FILL LVL LIMIT 4 TO 17 LBS PRESS START YES TO SAVE 3 Use the keyp
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