Model 34788-H
Contents
1. Accept the default weight by pressing START YES or type in a weight using the number keys and press START YES 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 Note e During a charge cycle if the unit fails to transfer refrigerant due to low tank pressure the charge process is automatically interrupted and the unit operates in a mode to build tank pressure Once tank pressure is sufficient the unit automatically completes the charge 560826 Rev D August 23 2013 y Storage Port Connections Figure 7 Red light indicates Blue light indicates High Side Charge Low Side Charge Figure 8 Operating Tips After selecting the CHARGE function and entering a desired weight if the weight entered will leave less than 2 Ibs 91 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 to Manually Refill the Internal Storage Vessel ISV 11 Operating Instructions Recharge the A C System contd e When the charge cycle gets close to the weight entered in Step 3 the unit slows down It will charge settle charge again settle etc with the blue red lights illuminating accordingly 5 Wh2. and refrigerant have been shown to be combustible at elevated pressures These mixtures if ignited may cause 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 Additional health and safety information may be obtained from the refrigerant and lubricant manufacturers OPERATING NOTE At temperatures exceeding 120 F 49 C wait 10 minutes between recovery jobs Table of Contents Introduction aida od ii 2 Technical Specifications 2 Keypad FUNCIONS dise on ree od 3 GlOSSA ee ai AR 3 Men FUNCIIONS ees guena peg p epa a ee he Ge eee ERO HE GS 4 Setup tiie ewe dus a ee pute a maa ak aE E me eee mele eat 5 Unpack the ACCESSORIES 5 Power Up the Unit 5 Select a Language conri bre sondes ea a 5 Select Operating One Suis eee ee ee eh Vea ate ee koe 5 Set Tank Fill Level 6 Add Oil to
3. 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 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 Replenish A C System Oil Oil may be replenished after the charge cycle by using an oil inject tool Use separate oil inject tools for PAG and POE systems to prevent oil cross contamination CAUTION To prevent damage to equipment e Use only NEW oil to replace the oil removed during the recycling process e 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
4. manufacturer s service manual for oil specifications Flow Indicators red light indicates high side flow from vehicle A C system through unit blue light indicates low side flow from vehicle A C system through unit Digital Display visual interface between operator and machine Control Panel folds flat for storage Manifold Gauges connect to vehicle A C system show system s low side and high side pressure Main Power Switch supplies electrical power to unit Tool Storage Areas additional storage on back side for extra filter driers and oil bottles Technical Specifications Voltaje sus rra was 115V 60 Hz Pump Free Air Displacement 1 5 cfm 42 l m Operating Range 50 to 120 F 11 to 49 C Dimensions 49 H x 34 W x 23 D Filter Drier 43 cu in spin on type 124 5 cm x 86 4 cm x 58 4 cm 2 Introduction When the unit is not performing a function pressing the UP or DOWN arrow key adjusts contrast on the START START YES begins or resumes a digital display YES function or answers a query A lt D D 2 TI c 5 O 5 o STOP STOP NO terminates or pauses a function or answers a query MENU displays the selection menu START STOP YES NO ARROWS are used for scrolling auromane through menu items 1 2 3 recover P 4 96 VACUUM 14 7 INJE
5. n reciclaje con refrigerantes o selladores no autorizados 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 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 El producto o parte de ste se rompe accidentalmente 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 micos utilizados para sellar fugas en sistemas de A C nonc de la garantie limit e de Robinair R vis e le 1er novembre 2005 Ce produit est couvert contre les d fauts de mat 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 parations 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 II doit tre r par et entretenu conform ment aux sp cifica
6. CT OIL AUTOMATIC activates a menu that che AUTOMATIC helps the user set up an automatic recover vacuum leak test charge sequence RECOVER RECOVER activates the recovery sequence VACUUM VACUUM activates the vacuum sequence followed by an option to activate a leak test INJECT OIL INJECT OIL not applicable to this unit CHARGE CHARGE charges the vehicle A C system with a programmed amount of refrigerant REFRIGERANT DATABASE optional DATABASE offers access to system oil and refrigerant specifications by vehicle model and year Purchase Robinair No 34411 m TI D O z Z 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 Ib 14 kg Source Tank A disposable tank of new refrigerant used to refill the internal storage vessel not included Unit Model No 34788 H 560826 Rev D August 23 2013 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 SYSTEM FLUSH 3 Press START YES to make a choice fro
7. LIBRATION CHECK 3 Refer to Figure 18 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 Ifthe display shows CALIBRATION APPROVED the scale is in calibration Press any key to exit e Ifthe display shows CALIBRATION REJECT the scale is out of calibration Call your local service center for assistance Figure 18 e Ifthe 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 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 cord from the outlet 2 Open the rear door remove top cover and front for lost refrigerant panel 3 Use a leak detector to probe all connections for refrigerant leaks Tighten fittings if a leak is indicated 4 Reassemble the body panels and close the rear door 22 Inspect the unit periodically for leaks The manufacturer does not reimburse Maintenance Replacement Parts Replacement Component Part No Filter Drier 34724 Calibration Weight 540066 Servi
8. ROBINA Operating Manual for Recovery Recycling Recharging Unit Model 34788 H OBINAIR Recovery Recycling 8 Recharging Unit O SAFETY DEFINITIONS Follow all WARNING CAUTION 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 and NOTEs and OPERATING TIPS provide clarity 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 PERSONNEL TO OPERATE THE UNIT Before operating the unit read and follow the instructions and warn
9. as already been used in this unit 560826 Rev D August 23 2013 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 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 19 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 15 6 Look at the new filter verify both o rings are lubricated and correctly located in the grooves EC See Figure 16 Thread the new filter into place PR SSD Filter Press START YES Drier Close the door Press STOP NO to exit The eS fi
10. ce Coupler Set high and low side couplers 18192 Service Hose Set high and low side hoses 34722 Vacuum Pump Oil case of 12 quarts 13203 Vacuum Pump Oil case of 4 gallons 13204 Maintenance Kit 13172 Low side Hose Flush Storage Port 546883 High side Hose Flush Storage Port 546882 Vinyl Dust Cover optional 17492 Taehicle Database 34411 Tank Fill Hose Filter 10233 560826 Rev D August 23 2013 23 Notes 24 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 purchase 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 manufacturer must be obtained
11. 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 recyclage 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 Support 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 center 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 cont
12. e 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 CAUTION 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 Evacuate 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 starts the vacuum pump to evacuate 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 560826 Rev D August 23 2013 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
13. ehicle A C system Ifthe flushing cycle is stopped before it is complete and the external source valve is open the unit automatically adds refrigerant to the ISV There will be no room to recover the refrigerant used for flushing 4 Remove the A C system orifice tube and reconnect the fittings to create a bypass 5 Disconnect the compressor block at the rear of the compressor 6 Attach the compressor block adapter from the flushing kit to the system side of the compressor block 7 Configure the block connectors to provide forward or back flushing of the refrigerant which flows from the unit through the red high side connection hose Open the red service coupler 8 Connect the filter housing to the desired return side of the adapter block and to the blue low side hose Open the blue service coupler Oil Drain Bottle Figure 11 560826 Rev D August 23 2013 19 System Flush 9 Verify that a flushing filter is correctly installed in the flushing filter housing Open the isolation valve on the hose Operating Instructions _ oO 0 Press the MENU button on the keypad Press the UP or DOWN arrow key to scroll through the menu choices until SYSTEM FLUSH is displayed Press START YES Press START YES to accept the default flush time of 10 minutes or enter the desired flush time using the number keys Press START YES The unit automatically runs the vacuum pump fo
14. en the charge is complete the display reads CHARGED XX XX LBS DISCONNECT HS HOSE DISCONNECT LS HOSE START TO CONTINUE Remove the service hoses from the vehicle A C system IMPORTANT If the low side or high side coupler valves are left open the system will pull the refrigerant back out of the vehicle 6 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 is now ready for use 12 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 total automatic sequence may take an hour to complete Note Oil recovered during the recovery cycle can be manually injected by the user before or after the charge cycle using a separate oil inject tool 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 If NO is selected the unit asks for vacuum and time of vacuum 4 The unit asks if a leak test is needed Press STOP I NO to skip the leak test press START YES to accept 5 The unit ask
15. ez le www robinair com The Robinair 34788 H 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 H 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 estatales 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 mod le 34788 H a t con u 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 frigorig ne en fonction du poids puisse tre interdite Nous vous recommandons de facturer les serv
16. he brass plug to determine the correct disposal from the vacuum pump s oil fill port The pump procedure for pump oil It is the drains faster when vented responsibility of the user to determine 4 Remove the oil drain fitting cap and drain the oil fa material is a hazardous waste at into a suitable container for disposal Replace the time of disposal Ensure you are the cap in compliance with all applicable laws 5 Attach the flexible tube and cap to the oil bottle and regulations 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 D N en CAUTION To prevent personal injury do NOT operate the unit at any time without the brass plug installed because the vacuum pump is pressurized during normal operation 560826 Rev D August 23 2013 21 Maintenance Scale Calibration Check The calibration check is used to ensure that the units 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 CA
17. ices 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 climatisa tion 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 655 EISENHOWER DRIVE OWATONNA MN 55060 USA TECH SERVICES 800 822 5561 FAX 866 259 1241 CUSTOMER SERVICE 800 533 6127 FAX 800 322 2890 www robinair com 560826 Rev D August 23 2013 Bosch Automotive Service Solutions LLC
18. inental 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 soutien 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 nous donner le num ro 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 unit a besoin d tre r par e ou besoin de pi ces 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 visit
19. ings 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 personal injury Wear protective equipment including safety goggles Disconnect hoses using extreme caution AVOID BREATHING A C REFRIGERANT AND LUBRICANT VAPOR OR MIST Exposure may irritate eyes nose and throat To remove refrigerant from the A C system use only equipment certified for the type of refrigerant being removed 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 CAUTION DO NOT PRESSURE TEST OR LEAK TEST EQUIPMENT AND OR VEHICLE AIR CONDI TIONING SYSTEMS WITH COMPRESSED AIR Some mixtures of air
20. izes 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 System Flush System Flushing Process This unit provides a method of removing oil by forcing liquid refrigerant through an A C system or components of an A C system special flushing adapter which is available as an accessory accesses the A C system at the compressor block After flushing the refrigerant is recovered by the unit and filtered by the recycling circuit returning it to SAE purity levels A C systems vary and may require the adapting and flushing of individual components The following procedure works with an orifice tube system Refer to any service bulletins as needed during this procedure Notes e The unit must have at least 10 Ibs of refrigerant available in the ISV as indicated on the display for charging e Ifthe flush process is interrupted by an accidental power down or other fault use the Recover mode to remove the refrigerant from the vehicle Setup 1 Verify the oil drain bottle on the side of the unit is empty See Figure 11 Recover refrigerant as outlined in this manual under Recover Refrigerant from a Vehicle 2 Close service coupler valves and disconnect hoses from vehicle access ports 3 Close the valve on the external source tank Note During this procedure up to 12 Ibs of refrigerant is charged into the v
21. lter drier replacement is now complete du N Rear View without shroud Figure 15 Adjust Tank Fill Level When connected to a refrigerant source the unit maintains a default value of 15 lbs of refrigerant O rings in the internal storage vessel This value may be Md 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 keypad to enter a value between 4 lbs and 17 Ibs and press START YES Figure 16 20 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 1 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 Oil Drain Fitting CHANGE OIL 2 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 Sight Glass Figure 17 on Review the laws in your jurisdiction 3 Refer to Figure 17 and remove t
22. m the menu Press STOP NO to pause during any process and STOP NO a second time to exit a process Start Yes Stop No Button a R Button Arrow Keys CE LY TA a AE le lt Menu p gt TAA VACUUM MM 7 8 2 9 m cron P DATABASE 9 une 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 Ib Imperial Ib and oz or Metric kg Maintain Vacuum Oil For maximum vacuum pump performance change vacuum pump oil after every 10 hours of operation This menu item 4 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 Ibs 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 fil
23. materiales y componentes por el periodo de un a o a partir de la fecha de compra Todas las partes y mano de obra requerida 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 Unicamente 2 La garant a aplica al producto en situaciones de uso normal nicamente 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 reemplazar a discreci n del fabricante 4 Los cargos de transporte de servicio de garant a ser n reembolsados por la f brica al verificar el reclamo de garant a y presentar una boleta de flete por servicio 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 producto 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
24. 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 I NO again to exit or START YES to resume 6 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 560826 Rev D August 23 2013 Low and High Side Hoses Power Cord Fill Hose connect to liquid line Source Tank Strap 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 automatically starts and runs until recovery is complete The unit then goes into an automatic oil drain this may require up to 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 c
25. 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 5 Press START YES to continue _ b Sight Glass Fill Port Figure 3 Sight Glass 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
26. oil into the A C system Empty the oil drain bottle before recovering an A C system to prevent an inaccurate oil charge 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 6 3 Follow instructions included with your oil inject tool 10 Oil Drain Bottle Figure 6 Operating Instructions Recharge the A C System If you are servicing a hybrid vehicle having an electric compressor with POE oil first perform a brief hose flush procedure to clear the unit of residual PAG oil CAUTION Failure to perform this procedure will cause contamination of the hybrid system as well as failure of the compressor 1 Press CHARGE The unit displays CHARGE HYBRID W AN ELECTRIC COMPRESSOR THAT USES POE OIL YES NO If servicing a hybrid press START YES Connect service couplers to the storage port connections at the rear of the unit see Figure 7 and open the coupler valves Press START I YES again to begin a hose flush procedure When hose flushing is complete connect the service hoses to the vehicle service ports and press START YES to continue Press CHARGE again to toggle between a high side charge a low side charge or both Note The blue light on the control panel indicates a low side charge the red light indicates a high side charge See Figure 8 N oO
27. onditions 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 the service is 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 is 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 Oil Drain Bottle Figure 5 Operating Tips After the RECOVER function is selected 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 lf 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 1001bs when filter weight reaches 150 bs the unit locks out and ceases to operate Refer to instructions outlined in the Maintenance section under Replac
28. 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 Authorized refrigerants are listed on the equipment or are available through the Technical Service Department e The 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 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 Declaracion de garantia limitada Robinair Revisi n del 1 de noviembre de 2005 Se garantiza que este producto no posee defectos de mano de obra
29. r METRIC UNITS 2 Press START YES to select the displayed operating unit choice 560826 Rev D August 23 2013 CAUTION 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 Main Power Switch Power Cord Start Yes Stop No Button Button A ST su Keys Cag CF A 1 IN RECOVER 4 pue gt a VACUUM v LL 9 INJECT OIL en E Figure 2 5 Setup Set Tank Fill Level The operator may either accept the unit s pre set default weight of 15 Ibs 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 CAUTION 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 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
30. r five minutes to remove air from the A C system The unit flushes the system for the designated length of time and then enters a recovery mode Note If the external flushing filter gets plugged the unit displays FLUSH FILTER BLOCKED RETRY Press START YES to retry Press STOP NO to end the flush process and recover the refrigerant With the refrigerant recovered the filter can be serviced and the process repeated The message repeats until the filter is replaced Oil that has been collected drains into the graduated oil drain bottle Remove the bottle and measure the oil Dispose of oil according to the laws in your jurisdiction It is the responsibility of the user to determine if a material is a hazardous waste at the time of disposal When the unit displays FLUSHING COMPLETE close service couplers remove hoses and reassemble the vehicle s A C system to its original state Open the valve on the source tank Evacuate and recharge the vehicle according to the instructions in this manual 16 WARNING Do NOT disconnect service couplers during the flushing process Refrigerant would spray out of the fittings and exposure may cause personal injury CAUTION To prevent vehicle damage use a separate oil inject tool to replace the system oil Flushing removes all oil from the system except what remains in the compressor Maintenance General Maintenance 1 On a regular basis wipe off the
31. refrigerant that was reads recovered and charged INSUFFICIENT REFRIG 8 Close the high and low side coupler valves PRESS ANY KEY TO EXIT and remove the service hoses from the A C Refer to the Maintenance section of this manual system Press START YES to clear hoses 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 e Ifa 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 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 equal
32. s if a charge is needed Press STOP NO to skip the charge cycle and proceed to Step 6 press START YES to accept If START YES is pressed the unit displays CHARGE HYBRID W AN ELECTRIC COMPRESSOR THAT USES POE OIL YES NO If servicing a hybrid press START YES Connect service couplers to the storage port connections shown in Figure 10 and open the coupler valves Press START YES again to begin a hose flush procedure When hose flushing is complete connect the service hoses to the vehicle service ports and press START YES to continue Press CHARGE again 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 560826 Rev D August 23 2013 C J START STOP YES NO AUTOMATIC RECOVER A ORI a le 41518 DEE mra l REFRIGERANT 0 DATABASE af VACUUM CHARGE Figure 9 Figure 10 Automatic Function y Storage Port Connections 13 Operating Instructions Automatic 6 The display shows an overview of all the tests that were selected Press START YES to Operating Tips begin the automatic sequence Ifthe weight entered is more than the refrigerant available in the internal tank the 7 When the sequence is complete the display charge function will not start The display shows the amount of
33. tank fill level is reached or press STOP NO to exit 560826 Rev D August 23 2013 Circuit Breaker Po Figure 12 Back View Low and High Side Hoses Power Cord a Fill Hose Source Tank Strap Figure 13 Side View 17 Maintenance Tank Fill Hose Filter Service The black tank fill hose at the rear of the machine contains a filter that can be cleaned when it appears that refrigerant flow is restricted When the machine senses low flow it may display the following message e SOURCE TANK EMPTY but yet you know the source tank contains refrigerant connections are secure and the source tank valve is open The cause may be that the tank fill hose filter is plugged Cleaning the Tank Fill Hose Filter 1 First ensure that pressure does not exist in the line Disconnect the external source tank TEO and perform a manual tank fill to capture any Za refrigerant in the line 2 Slowly and carefully disconnect the tank fill hose from the adapter There may still be a little pressure in the line 3 Disassemble the tank fill hose at the filter Figure 14 housing as shown in Figure 14 Disassemble the Filter Housing 4 Remove and clean the filter 5 After the filter has been installed back into the filter housing torque the housing assembly to 8 5 Nem 6 ft Ibs 18 Maintenance Replace the Filter Drier The filter drier is designed to
34. tem or component to be flushed with R 134a refrigerant Setup Unpack the Accessory Kit Unpack the accessory kit from the bag and remove the plastic packaging The kit consists of e Acalibration weight e Vacuum pump oil oil filler 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 le 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 of 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 Ib or lb and oz or Metric kg units 1 Use the UP or DOWN arrow key to toggle through the choices of IMPERIAL UNITS o
35. ter must be entered into the unit to ensure compliance with SAE J 2788 Refer to 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 Ibs 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 Select one of two tones for an alert signal or mute the signal completely Service Menu For Robinair service center use only Hose Flush Flushes residual PAG oil from the unit for service of electric POE oil based hybrid systems Display Tank Info Displays internal storage vessel ISV pressure and temperature Use to check the ISV for excessive pressure System Flush When used with the appropriate flush adapter kit this menu item allows the A C sys
36. the Vacuum Pump 2 6 Fill the Internal Storage Vessel 7 Operating Instructions ss seve eee cine ane A A s 8 Recover Refrigerant from a Vehicle 8 Evacuate the A C System 9 Replenish A C System Qlleasiinarsirro cir acres 10 Recharge the A C System 2 11 Operating Instructions Automatic 13 System FIUSH caida ia A a 15 Maintenance inicio isin eect eens st mess ins a a a ee ee 18 Generali 43 ep page paene pa a Ae dent nem GOH aa la od p at 17 Electrical Protection 17 Manually Fill the Internal Storage Vessel ISV 17 Tank Fill Hose Filter Service 18 Replace the Filter Drier 0 19 Adjust lank Fill Level oooicrrrror torres bee e eee sus 20 Change Vacuum Pump Oil o 25 6 o ia rr oS SH a we 21 Scale Calibration Check ctra ad ae es 22 Check for Leaks ieas poetae paano pousses sagas aa issus 22 Replacement Parts 23 Spanish Manual oriol ira ida dj e E a 25 French Manual 49 Safety Precautions Inside Front Cover Warranty anus ra E Inside Back Cover IMPORTANT To comply with federal law governing A C system ser
37. tions 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 lusine 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 paration 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 les 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 Les liquides frigorig nes autoris s sont indiqu s sur l appareil ou ils peuvent tre obtenus aupr s du Service technique e Le fabricant interdit l utilisation d un appareil de r cup ration et
38. 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 Ibs 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 lbs 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 Remaining 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 Note If the display shows SERIAL NUMBER ERROR the serial number is invalid or the filter drier h
39. 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 is equipped with a 15 amp circuit breaker on the back panel See Figure 12 If the breaker trips its 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 be automatically maintained in the ISV 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 it 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
40. vice you must complete and mail the MVAC Certification Form included in the accessory kit 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 Robinair complete the warranty card included in the accessory kit and mail it within ten days from the purchase date of the unit 560826 Rev D August 23 2013 1 Introduction Robinair No 34788 H is used on R 134a vehicles and is designed to be compatible with existing service equipment and standard service procedures This unit is 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 is not opened for service there is no need to pull additional vacuum If the system is 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
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