User Manual
Contents
1. FROBINAIR Operating Manual for Recovery Recycling Recharging Unit Model 34988 BROBINAIR ni e 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 warnings in this manual The oper2. The next step would be to set vacuum time 5 Decide if the unit should perform a leak test by selecting YES or NO 6 Decide if the unit should perform a charge by selecting YES or NO If yes enter amount of oil to be injected Note The amount of oil recovered during the recovery cycle is automatically injected before the charge cycle and no entry will be necessary If recovery was not selected the amount of oil to be injected may be entered while programming the charge information 7 Toggle DYE INJECT on or off Select SAVE to return to the charge screen 8 Select MODE to toggle between high or low side charge or both Note Charge mode after injecting oil allows only a high side charge Enter a charge weight using the keypad and select SAVE 9 The display shows an overview of all tests selected Select START to begin the automatic sequence 10 When the sequence is complete the display shows CHARGE DIAGNOSTICS if applicable START A C TO PERFORM DIAGNOSTICS OR WITH A C OFF PRESS NEXT TO CLEAR HOSES To obtain current pressure readings and diagnostics from the vehicle start the vehicle s air conditioning system or select NEXT to continue 11 Close the high and low side coupler valves and remove the service hoses from the A C system 12 Select NEXT to begin clearing hoses This prepares the machine for the next service 13 The machine displays a summary of actions performed during the automatic sequ
3. The unit flushes the system for the designated length of time and then enters a recovery mode 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 FLUSH 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 18 WARNING Do NOT disconnect service couplers during the flushing process Refrigerant could spray out of the fittings and exposure may cause personal injury Operating Tips If the external flushing filter is plugged the unit displays NO FLOW DETECTED FLUSH FILTER MAY BE BLOCKED CHECK CONNECTIONS AND VALVE POSITIONS TO CLEAR FILTER FOR REPLACEMENT CLOSE FLUSH FILTER ADAPTER VALVE AND SELECT START SELECT EXIT TO ABORT OR RETRY TO CONTINUE WITHOUT REPLACING FILTER The message repeats until the filter is replaced 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 t
4. reimburse for lost refrigerant 1 Turn off the main power switch and disconnect the power cord from the outlet 2 Open the rear door Remove the top cover and the front panel 3 Use a leak detector to probe all connections for refrigerant leaks Tighten fittings if a leak is Oval Button Paper Feed indicated Tab Tab 4 Reassemble the body panels and close the rear door Replace the Printer Paper Fe 1 Press the oval button at the top of the printer to release the printer cover See Figure 16 2 Grasp the tabs and pull the cover off the printer 3 Remove the paper core 4 Install the new roll of paper with the end of the i paper at the top of the roll 5 Assemble the cover onto the printer with the end of the paper over the roller Figure 16 24 Maintenance Edit Print Header This function allows the user to make changes to the text that appears in the header on each printout 1 Select EDIT PRINT HEADER 2 Use the arrow keys on the control panel to navigate within the existing text Use the keypad to make changes within the text 3 Select SAVE to retain the text select CLEAR to remove all text on the selected row Operating Tips The numerical keys on the keypad include an alphabet that is used to enter information into the machine The procedure is similar to text messaging For example To enter an A Press
5. 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 20 Maintenance Replace the Filter Drier The filter drier is 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 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 Select SETUP MENU Scroll to MAINTAIN FILTER and select START The unit displays FILTER CAPACITY USED XXX LBS FILTER CAPACITY REMAINING XXX LBS CHANGE FILTER NOW SELECT YES TO CHANGE FILTER OR NO TO CONTINUE The unit displays the amount of refrigerant recovered since the last filter change and the amount of filter capacity remaining until the machine locks down 2 Select YES to change the filter NO to resume using the machine Change the Filter 1 If YES was selected at the end of the Check Remaining Filter Capacity procedure the unit displays ENTER NEW FILTER SERIAL NUMBER SELECT SAVE TO CO
6. information 1 Use the keypad to enter the date and time Press 2 for AM press 7 for PM 2 Select SAVE to accept the date and time Adjust Tank Fill Default The operator may either accept the unit s pre set default weight of 15 Ibs of refrigerant stored in the internal storage vessel ISV or change the amount to accommodate the application The unit displays 15 00 LBS ENTER THE AMOUNT OF REFRIGERANT THAT THE TANK FILL FUNCTION SHOULD MAINTAIN IN THE INTERNAL STORAGE VESSEL MAX 17 00LB MIN 04 00LB SELECT SAVE TO ACCEPT OR EXIT TO ABORT 1 Select SAVE to accept the default amount or use the keypad to enter an amount and select SAVE Maintain Vacuum Pump Note Service hoses are shipped in the accessory kit The unit displays INSTALL SERVICE HOSES ONTO BULKHEADS AND STORAGE PORTS ADD 5 OZ OF NEW OIL TO VACUUM PUMP PRESS NEXT TO CONTINUE OR EXIT TO ABORT 1 Connect the service hoses from the bulkhead fittings located on the side of the unit to the storage ports See Figure 4 Connect the red hose to the fitting labeled HIGH connect the blue hose to the fitting labeled LOW 554228 Rev E July 30 2013 CAUTION R 134a systems have special fittings per SAE specifications to avoid cross contamination with other systems DO NOT adapt your unit for a different refrigerant system failure will result Oil Fill Port En a ees Vacuum Pump Sight ss G
7. information e the left and right arrow keys to move the cursor e the down arrow to clear information 1 Enter your dealership number and your dealership name street address state and zip code 2 Four more lines are available for you to specify other information to appear on each printout Once a test has been completed and the PRINT key has been pressed enter the vehicle s VIN and license plate number 554228 Rev E July 30 2013 Operating Tips Entering Information The numerical keys on the keypad include an alphabet that is used to enter information into the machine The procedure is similar to text messaging For example To enter an A Press the 2 key once to see the A on the digital display To enter a 2 Press the 2 key four times to see the 2 on the digital display Note After the appropriate letter is shown on the display pause for a moment until the cursor moves to the next position Operating Instructions Recover Refrigerant from a Vehicle 1 Empty the oil drain bottle before starting a recovery Remove the oil drain bottle from the machine by pulling the bottle straight down from the magnetic connector do not use a twisting or rocking motion See Figure 6 Note The machine gives an alert when the oil drain bottle needs to be emptied but it is a good practice to completely empty the oil drain bottle befo
8. 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 visitez le www robinair com The Robinair 34988 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 34988 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
9. se bese beens eee ca cd 6 Select a Language 2 ive cn dedctcdcunebseuteheseasieies 6 Select UNITS se Se ens as dk oe CLE ba ca aw e E a a 7 Set Date amp IMCs 26 visi a eke ae has ae A oa we wa AR 7 Adjust Tank Fill Default coccion it aaa e da 7 Maintain Vacuum PUMP iia ro ee eee das 7 Manual Tank Fill oximiascisao caia a dica e eines 8 Edit Print Header sx iss iia a A da AA 9 Operating Instructions Recover Refrigerant from a Vehicle 10 Evacuate the A C System 11 Flushing the Hoses 222 2222 n es eos eases 12 Recharge the A C System 13 Operating Instructions Automatic 16 System PIUSH 52m a desde eee sees ees 17 Maintenance O O 19 Electrical Protection 4 4 2 cick ss rra daa 19 Manually Fill the Internal Storage Vessel ISV 19 Tank Fill Hose Filter Service 20 Replace the Filter Drier 21 Scale Calibration Checo ccctcgddn dae eed aed e kee bss 22 Change Vacuum Pump Oil ssassn anaana va does cer 23 Adjust Tank Fill Level nnna nananana aaaea 24 Check for Lea aio dica e cs e il 24 Replace the Printer Paper 24 Edit Print Header 1 242 ia da ie 25 Replacement Paris 44444eesssssssssssuseteute 25 Spanish Manual 48 sus sis mens a mien 27 French Manual si2sssssessesrersemtessastisesescntset 52 Safety Precauti
10. tank Note During this procedure up to 12 Ibs of Oil Drain refrigerant is charged into the vehicle A C Bottle system If the flushing cycle is stopped before it is complete and the external source valve is open the unit automatically adds refrigerant to the ISV and 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 554228 Rev E July 30 2013 17 System Flush Attach the compressor block adapter from the flushing kit to the system side of the compressor block Configure the block connectors to provide forward or back flushing of the refrigerant Note Refrigerant flows from the red high side connector to the blue low side connector Open the red service coupler Connect the filter housing to the desired return side of the adapter block and to the blue low side hose 10 Open the blue service coupler 11 Verify that a flushing filter is correctly installed in the flushing filter housing Open the isolation valve on the hose Operating Instructions A al o N Select SYSTEM FLUSH Select START to accept the default flush time of 10 minutes or enter the desired flush time using the keypad and select START The vacuum pump runs for five minutes to remove air from the A C system if needed
11. the vehicle A C system and coupler valves are OPEN Select VACUUM The unit gives you the option of doing a leak test after evacuation Select TOGGLE LEAK to turn the leak test OFF ON 4 Select START to accept the default evacuation time or enter the desired vacuum time using the number keys and select START N 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 Evacuate the system for at least 10 minutes or follow the A C system manufacturer s specifications to ensure adequate moisture and contaminant removal 5 The unit evacuates the A C system and stops when the specified amount of time has elapsed Select EXIT to continue Note During the vacuum process the unit may perform a tank fill or an air purge if needed You are now ready to either manually replenish the A C system with new oil or to recharge the system with refrigerant 554228 Rev E July 30 2013 Operating Tips If the vacuum pump has run for 10 or more hours without an oil change the unit displays MAINTAIN VACUUM PUMP VACUUM OIL TIME XX XX OIL LIFE REMAINING XX XX CHANGE VACUUM PUMP OIL NOW SELECT YES TO CHANGE OIL OR NO TO EXIT Refer to instructions 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 pres
12. 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 Alert visual and audio notice that F machine needs attention Manifold Gauges connect to vehicle A C system show system s low side and high side pressure Control Panel amp Digital Display interface between operator and machine Database Expansion Slot an optional database will supply information X regarding EIJE capacity IS Main Power Switch by vehicle model supplies electrical power 3 to unit UV Dye Reservoir B gt Printer holds UV dye to be produces printouts of injected into vehicle gt J p gt vehicle diagnostics AIC system Oil Drain Bottle collects oil during a h recovery sequence Vacuum Pump Exhaust Oil Inject Reservoir holds oil to be injected into vehicle A C system Nominal Voltage 34988 115V 60Hz Operating Range 50 to 120 F 11 to 49 C AAA A 34988 1 230V 50 60 Hz Filter Drier 43 cu in spin on type Utilization Voltage Range 34988 104 127 Pump Free Air Displacement 1 5 cfm 42 lim EE 34988 200 250 Dimensions 49 H x 34 W x 23 D Sie Ce 124 5 cm x 86 4 cm x 58 4 cm Introduction Control Panel Functions AUTOMATIC activates a menu that h
13. 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 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 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
14. unscrew the old filter See Figure 12 5 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 and tighten 6 Close the rear door Select EXIT The filter drier replacement is complete Filter Drier Figure 12 Scale Calibration Check rear view without shroud The calibration check is used to ensure the unit s internal scale is always calibrated During this test use only the calibration weight that is provided with the unit O rings 1 Select SETUP MENU Scroll to CALIBRATION CHECK and select START 2 The unit displays Fi 13 MAKE SURE NOTHING IS ATTACHED TO THE igure TEST MAGNET UNDERNEATH THE UNIT PRESS START TO BEGIN OR EXIT TO ABORT Refer to Figure 14 and verify the magnet on the bottom of the unit is clean Select START 3 The unit displays INSTALL STEEL CALIBRATION BALL ONTO MAGNET UNDERNEATH UNIT PRESS NEXT TO CONTINUE OR EXIT TO ABORT Attach the weight provided to the magnet on the bottom of the unit Select NEXT e Ifthe display shows CALIBRATION CHECK PASSED l PRESS EXIT TO CONTINUE the scale is in calibration Select EXIT e Ifthe display shows CALIBRATION CHECK FAIL the scale is out of calibration Contact j an authorized Robinair service center for assistance Magnet Figure 14 22 Maintenance Change Vacuum Pump Oil For maximum vacuum pump per
15. 554228 Rev E July 30 2013 Circuit Breaker Figure 9 Back View Ss m Fill Hose E EN P l Figure 10 Side View Source Tank Strap Note Only the amount of refrigerant available for charging is displayed For example if the tank fill default is set at 15 Ibs the unit will transfer 15 Ibs to the ISV but the display may show only 13 Ibs 19 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 and perform a manual tank fill to capture any refrigerant in the line p 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 Disassemble the filter housing housing as shown in Figure 11 Figure 11 4
16. ALVES PRESS START TO BEGIN FLUSH OR EXIT TO ABORT 4 Select START to begin the hose flush process which is programmed to run for three 3 minutes 5 When the hose flushing process is compete the display reads HOSE FLUSH COMPLETE PRESS EXIT 6 Close the coupler valves by turning the collars counterclockwise and select EXIT Storage Port Connections Figure 7 12 Operating Instructions Recharge the A C System 1 Connect service hoses to the vehicle s service ports Select CHARGE The display reads CHARGE MENU CHARGE AMOUNT 0 00 LB CHARGE MODE SIDE USE ARROW KEYS TO SCROLL UNITS At this point select INJECT OIL if necessary The display reads OIL XXX INJECT DYE Use the number keys to enter the amount of oil to inject Select TOGGLE DYE to turn dye inject ON or OFF Select SAVE to return to the charge screen Select MODE to toggle between a high side or low side charge or both Note Charge mode after injecting oil allows only a high side charge Type in a charge weight using the number keys Select START Moving or bumping the unit at this point may result in an inaccurate charge Note 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
17. M PUMP WITH NEW OIL UNTIL THE LEVEL REACHES THE MIDDLE OF THE lt lt SIGHT GLASS Review the laws in your jurisdiction REPLACE CAP AND PRESS EXIT WHEN to determine Iie correct disposal COMPLETE 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 While the vacuum pump is running slowly add oil until the level rises to the center of the sight glass 7 Install the plug in the fill port and select EXIT 554228 Rev E July 30 2013 23 Maintenance Adjust Tank Fill Level When connected to a refrigerant source the unit maintains a default value of 15 Ibs of refrigerant in the internal storage vessel This value may be adjusted up or down to suit the application The minimum value is 4 Ibs the maximum value is 17 lbs 1 Select SETUP MENU Scroll to ADJUST REFILL DEFAULT and select START 2 The unit displays 15 00 LBS ENTER THE AMOUNT OF REFRIGERANT THAT THE TANK FILL FUNCTION SHOULD MAINTAIN IN THE INTERNAL STORAGE VESSEL MAX 17 00LB MIN 04 00LB SELECT SAVE TO ACCEPT OR EXIT TO ABORT 3 Select SAVE to accept the default amount or use the keypad to enter an amount and select SAVE Check for Leaks Inspect the unit periodically for Check the unit for leaks every three months or as leaks The manufacturer does not specified by law in your jurisdiction
18. NTINUE OR EXIT TO ABORT 2 Use the keypad to enter the serial number that appears on the new filter drier and select SAVE Note If SERIAL NUMBER USED OR INVALID is displayed the serial number has been incorrectly entered or the filter drier has already been used in this unit 3 If there is pressure in the filter the unit performs a clearing process and displays CLEARING FILTER 554228 Rev E July 30 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 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 A on the digital display To enter a 2 Press the 2 key four times to see the 2 on the digital display ans contrast After the appropriate letter is shown on the display pause for a moment until the cursor moves to the next position 21 Maintenance Replace the Filter Drier contd 4 The display reads CAREFULLY REMOVE USED FILTER AND INSTALL NEW FILTER SELECT EXIT TO FINISH Open the rear door of the unit and
19. S START TO BEGIN OR EXIT TO ABORT Connect the fill hose to the liquid connector on a full source tank See Figure 5 1 LE Source a o Tank 2 Open the source tank valve j TL Strap nn 3 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 Figure 5 Side View Setup Manual Tank Fill contd 4 Press START to begin filling the internal storage vessel Add at least 8 lbs of refrigerant to ensure enough is available for charging This process takes 15 20 minutes The unit stops when the designated amount of refrigerant has been transferred to the internal tank or when the source tank is empty Note Only the amount of refrigerant available for charging is displayed For example if the tank fill default is set at 15 Ibs the unit will transfer 15 Ibs to the ISV but the display may show only 13 Ibs 5 When the fill process is complete the unit is ready for operation Note There is no need to calibrate the scale it is calibrated at the factory Edit Print Header This machine has the capability to print out recovery vacuum charge and flush information for each vehicle tested The print header information that is entered during this procedure will appear on each printout Respond to the questions on the display screen by using e the keypad to enter
20. alve 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 10 Place the vehicle gear selector in park or neutral with the emergency brake ON 11 Start the vehicle Set the A C system at maximum output 12 Select NEXT The display reads EQUALIZING HOSES 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 13 When the charge is complete the unit displays DISCONNECT LOW SIDE AND HIGH SIDE HOSES FROM A C SYSTEM Close the low side coupler valve Remove service hoses from A C system and install on unit s storage ports Shut OFF vehicle CAUTION If the low side or high side coupler valves are left open during the hose clearing process the system will pull refrigerant back out of the vehicle 14 Select NEXT to begin clearing hoses to prepare the machine for the next service When the hoses are clear the display returns to the main menu and the A C system is now ready for use 554228 Rev E July 30 2013 Operating Instructions 9 If COMPENSATE was selected the display reads HOSE COMPENSATION IN PROGRESS PLEASE WAIT DO NOT DISTURB UNIT OR CHARGE ACCURACY WILL BE AFFECTED HOSE CLEAR DISCONNECT LOW SIDE AND HIGH SIDE HOSES FROM A C SYSTEM SELECT NEXT TO CONTINUE OR EXIT TO ABORT 10 Close coupler valves Remove servi
21. and no longer functions Refer to the instructions outlined in the Maintenance section under Replace the Filter Drier Maintain Vacuum Pump Displays how long the vacuum pump has operated since the last oil change and the amount of time remaining until the next oil change is needed For maximum vacuum pump performance change vacuum pump oil after every 10 hours of operation Refer to the instructions outlined in the Maintenance section under Change Vacuum Pump Oil Refrigerant Management Displays the amount of refrigerant recovered charged and replenished for the life of the unit and filtered since the last filter change Relay X XXX Displays the revision level of the relay board software in the unit Select Language Choose to have prompts displayed in one of three languages English French or Spanish English is the default language Select Units Program the machine to display units of measure in pounds kilograms ounces or grams The default display is in pounds Service Menu For Robinair service center use only Set Date and Time Use the keypad to program the machine for the current date and time Press 2 for AM and press 7 for PM System Flush A method of removing oil by forcing liquid refrigerant through an A C system or components Tank Fill Transfer refrigerant from the source tank to the internal storage vessel ISV Refer to instructions outlined in the Maintenance se
22. ator 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 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 or open containers of gasoline or ot
23. ce hoses from the A C system and install on unit s storage ports CAUTION If the low side or high side coupler valves are left open during the hose clearing process the system will pull refrigerant back out of the vehicle 11 Select NEXT to begin clearing hoses to prepare the machine for the next service When the hoses are clear the display reads REFRIGERANT XX XX LB SOURCE TANK EMPTY SELECT FUNCTION USING KEYS BELOW The A C system is now ready for use 15 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 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 open the coupler valves on the hoses 2 Select AUTOMATIC 3 Decide if the unit should collect pre recovery diagnostics by selecting YES or NO Note Data may be printed from the Recover Diagnostics screen 4 Decide if the unit should perform a recovery by selecting YES or NO Note Selecting YES automatically programs the vacuum step of the recovery process Selecting NO disables recovery but vacuum remains a choice for the operator
24. ction under Manually Fill the ISV Version X XXX Displays the revision level of the software in the unit Setup Unpack the Accessory Kit Unpack the accessory kit from the box and remove the plastic packaging The kit consists of A calibration weight Vacuum pump oil oil filler cap and tube Service hoses Four bottles oil reservoir oil drain UV dye reservoir spare reservoir Three rolls of paper for the printer 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 Assemble the Dye Bottle and Oil Bottles Oil Inject Bottle 1 Determine the correct oil for the A C system being serviced 2 Unscrew the lid from the oil inject reservoir and remove the piston 3 Fill the reservoir with oil only to the MAX FILL line Overfilling the reservoir will compromise the o ring seal and may cause air to be injected into the vehicle system Spread a thin film of oil on the piston o ring to reduce seal drag and insert the piston into the reservoir Thread the lid onto the reservoir Slowly push the piston into the reservoir until you see oil at the connector Inspect the oil reservoir bottle to ensure there are no air bubbles between the piston and the oil piston should be in direct contact with oil supply Hold the assembly by the plastic bottle and ins
25. ctor while supporting the bottom of the plastic bottle to keep the piston in contact with the UV dye Snap the connector into the coupler on the unit 7 Inspect the bottle again to ensure there are no air bubbles between the piston and the UV dye the piston should be in direct contact with the dye Note To remove the UV dye bottle from the coupler press the release button on the coupler and pull the bottle straight down Power Up the Unit 1 Unwind the power cord from the handle and plug it into a correct voltage outlet 2 Turn on the main power switch The first time the unit is powered up it displays the initial setup mode Select Language The operator may choose to have prompts displayed in one of three languages English French or Spanish 1 Use the UP or DOWN arrow key to toggle through the choices Refer to Figure 3 2 Select SAVE to choose the displayed language 6 Release Button UV Dye Bottle Figure 2 Arrow Keys Keypad BEG Figure 3 Setup Select Units The operator may choose to have units of measure displayed in pounds kilograms ounces or grams 1 Use the UP or DOWN arrow key or select TOGGLE UNITS to toggle through the choices 2 Select SAVE to choose the displayed unit of measure Set Date and Time The machine is programmed at the factory for the local time zone and date Use the keypad and arrow keys to revise that
26. elps the user set up an automatic recover vacuum leak test charge sequence CHARGE activates the sequence that charges the vehicle A C system with a programmed amount of refrigerant EXIT returns test sequence to previous screen HELP displays screens that explain information or steps to take INJECT OIL injects oil into vehicle A C system NEXT displays next screen in the sequence NO answers a query PAUSE temporarily stops the machine from running the current sequence PRINT when it appears on the control panel produces a printout of screen content Turning off the machine clears the print memory RECOVER activates the sequence to recover refrigerant from the vehicle system RESUME reactivates a paused sequence SAVE stores the information loaded for future use by the program START begins a function STOP terminates a function TOGGLE UNITS moves the cursor through choices on the screen VACUUM activates the sequence that pulls a deep vacuum on the vehicle system to remove air and moisture YES answers a query ARROWS are used for scrolling through menu items Choose control panel functions by pressing the SELECT key that appears below the function on the display Time Date 22253 lt lt gt A 00000 11232 D contrast CONTRAST lighter CONTRAST darker Glossary A C System The vehicle air conditioning system being serviced Internal Storage Vessel ISV The
27. ence 16 Operating Tips e Ifthe weight entered is more than the refrigerant available in the internal tank the charge function will not start The display reads INSUFFICIENT REFRIGERANT THERE IS NOT ENOUGH REFRIGERANT IN THE ISV TO COMPLETE CHARGE PRESS TANK FILL TO ADD MORE OR EXIT TO ABORT 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 TOO HIGH FOR VACUUM PRESS EXIT Select EXIT Recover refrigerant before proceeding If a leak test was programmed and a leak is detected the unit displays LEAK TEST FAILED CONTINUE WITH AUTOMATIC MODE PRESS YES TO CONTINUE NO TO ABORT Select NO to exit automatic sequence and perform needed repairs Press YES to continue 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 A C system Pockets of refrigeran
28. ert the connector into the magnetic coupler on the unit Inspect the bottle again to ensure there are no air bubbles between the piston and the oil the piston should be in direct contact with the oil supply Oil Drain Bottle 1 Hold the oil drain bottle by the plastic bottle and insert the connector into the magnetic coupler on the unit 554228 Rev E July 30 2013 Important To operate this equipment the owner must complete and mail the MVAC Certification Form and technicians must be certified with the Environmental Protection Agency EPA Magnetic Couplers M UVD Oil Drain ye Bottle m Inject Bottle Oil Inject Bottle Figure 1 Setup UV Dye Inject Bottle 1 Unscrew the lid from the UV dye reservoir and remove the piston 2 Fill the reservoir with UV dye only to the MAX FILL line Overfilling the reservoir will compromise the o ring seal and may cause air to be injected into the vehicle system 3 Spread a thin film of oil or dye on the piston o ring to reduce seal drag and thread the lid onto the reservoir 4 Slowly push the piston into the reservoir unil you see dye at the connector 5 Inspect the dye reservoir bottle to ensure there are no air bubbles between the piston and the UV dye the piston should be in direct contact with the dye 6 Refer to Figure 2 Hold the assembly by the conne
29. formance change the vacuum pump oil after every 10 hours of operation 1 Select SETUP MENU Scroll to MAINTAIN VACUUM PUMP and select START The display shows how long the vacuum pump has operated since the last oil change and the amount of time remaining until the next oil change is needed VACUUM OIL TIME XX XX OIL LIFE REMAINING XX XX CHANGE VACUUM PUMP OIL NOW SELECT YES TO CHANGE OIL OR NO TO EXIT 2 Select YES The display shows WARMING OIL FOR BETTER DRAIN E E X Port VACUUM TIME XX XX Allow the vacuum pump to run until it automatically stops This will take approximately one minute 3 The display then shows DRAIN USED OIL AND ADD 5 OZ OF NEW OIL PRESS NEXT TO CONTINUE OR EXIT TO ABORT Fe a gaa D Oil Drain Fitting Refer to Figure 15 and remove the plug from Sight Glass the oil fill port The pump drains faster when Figure 15 vented 4 Remove the oil drain fitting cap and drain the oil into a suitable container for disposal Replace mm the cap AXCAUTION To prevent personal 5 Attach the flexible tube cap to the oil bottle from injury do NOT operate the unit at the accessory kit Pour only five 5 ounces any time without the oil fill port of vacuum pump oil into the fill port Note You plug installed because the vacuum will top off the oil in the next step as the vacuum pump is pressurized during normal pump is running operation 6 Select NEXT The unit displays FILL VACUU
30. her 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 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 Technical Specifications v0 54 siueuuvusa deteste 2 Control Panel Functions accio iaa a a a kw eat we ni ae 3 GIOSSANY RSS cad toad sed ach d clame ose 3 Menu FUNCIONS sese sudar asia ddr we Oded dan Gs Seeds 4 Setup Unpack the Accessory Kil sus ebeddee rro ar 5 Assemble the Dye Bottle and Oil Bottles 5 Power Up the Unit ss nine ee ese
31. lass z Hose Bulkheads SY Hose oro Ports Figure 4 Side View Setup Maintain Vacuum Pump contd CAUTION The vacuum pump is shipped without oil in the reservoir Failure to add oil will damage the vacuum pump 2 Remove the plug from the vacuum pump oil fill port 3 Attach the flexible tube cap to the oil bottle from A the accessory kit pour only five 5 ounces A CAUTION The unit is programmed of vacuum pump oil into the fill port Note You to run the setup procedure as outlined will top off the oil in the next step as the vacuum here To prevent personal injury do pump is running NOT operate the unit at any other 4 Select NEXT While the vacuum pump is time without the oil fill port plug running slowly add oil until the level rises to the installed because the vacuum pump is center of the sight glass pressurized during normal operation 5 Install the plug in the fill port and select EXIT The unit pulls a 3 minute vacuum to clear all internal air before proceeding Note The burping noise heard during this process indicates air is being purged from the system this is normal Manual Tank Fill H 1 After the vacuum pump shuts off the unit displays CONNECT SOURCE TANK TO peia Fill Hose TANK FILL HOSE OPEN TANK VALVE Inn connect to A TS AND ORIENTATE TANK liquid line ger TO PROVIDE LIQUID SUPPLY PRES
32. 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 34988 a t con u pour r pondre aux certifications applicables de la Underwriter s Laboratories Inc aux normes SAE et CUL Certains endroits dictent Putilisation 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 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 FROBINAIR 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 554228 Rev E July 30 2013 O Bosch Automotive Service Solutions LLC
33. mposant 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 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 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 po
34. ons Inside Front Cover Waltanty siccvicune tens detencsvaseusiax se 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 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 includedin the accessory kit and mail it within ten days from the purchase date of the unit 554228 Rev E July 30 2013 1 Introduction Robinair No 34988 is used on R 134a vehicles and is designed to be compatible with existing service equipment and standard service procedures Model No 34988 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 l 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
35. r 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 prior to shipping to an authorized service center 5 Warranty service claims are subject to authorized inspection for product defect s 6 The manufacturer shall not be responsible for any additional costs associated with a product failure including but not limited to loss of work time loss of refrigerant cross contamination of refrigerant and unauthorized shipping and or labor charges 7 All warranty service claims must be made within the specified warranty period Proof of purchase date must be supplied to the manufacturer 8 Use of recovery recycling equipment with unauthorized refrigerants or sealants will void warranty e Authorized refrigerants are listed on the equipment or are available through the Technical Service Department 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 Wa
36. race 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 9 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 automatically be maintained in the ISV The ISV may be manually refilled if necessary 1 Select SETUP MENU Scroll to TANK FILL and select START The unit displays CONNECT SOURCE TANK TO TANK FILL HOSE OPEN TANK VALVE AND ORIENTATE TANK TO PROVIDE LIQUID SUPPLY PRESS START TO BEGIN OR EXIT TO ABORT 2 Connect the fill hose to the liquid connector on a full source tank and open the source tank valve See Figure 10 3 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 4 Press START to begin filling the ISV 5 The unit automatically stops when the preset tank fill level is reached To stop the tank fill before the preset level is reached select PAUSE and EXIT
37. re recovering an A C system to prevent an inaccurate oil charge later 2 Connect the high and low side hoses to the vehicle A C system Open the coupler valves on the hoses by turning the collars clockwise Select RECOVER At this point you have the option to start the vehicle s A C to retrieve pre recovery data and select RESET to set the Minimum Maximum data to current live pressure readings Select NEXT to begin the recovery process Note The clicking noise indicates the solenoid is opening and closing this is normal When the system has recovered to 0 psi the vacuum pump starts and runs until recovery is complete The unit then goes into an automatic oil drain this may require 90 seconds to complete After the oil drain is complete the display shows RECOVERED AMOUNT XX XX LB RECOVER COMPLETED OIL DRAINED XXX OZ PLEASE MAKE A SELECTION TO CONTINUE At this point you may print out recovery information and pre recover diagnostics by selecting PRINT Note The displayed recovered weight can vary depending on ambient conditions and should not be used as an indicator of scale accuracy 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 is complete Use only new oil to replace the oil removed during the recycling process Dispose of used oil according to local s
38. 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 ISV not included Unit Model No 34988 554228 Rev E July 30 2013 Introduction Menu Functions Adjust Refill Default When connected to a refrigerant source the unit maintains a pre setamountofrefrigerantinthe internal storage vessel This value may be adjusted up or down to suit the user s needs The default is 15 Ibs 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 Display ISV Info Displays internal storage vessel ISV pressure and temperature Use to check ISV for excessive pressure Edit Print Header Program information that will appear on the printout each time the print function is used Hose Flush Flushes residual oil from the unit to prepare for the service of next vehicle Maintain Filter Thefilter drierremovesacid particulates and moisture fromthe refrigerant TomeetSAE J 2788 requirements itis 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 displays the filter capacity remaining until the machine locks down
39. rranty does NOT apply if e The product or product part is broken by accident The product is misused tampered with or modified 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 Revision del I de noviembre de 2005 Se garantiza que este producto no posee defectos 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 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 nicamente 2 La garantia 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 discrecion del fabricante 4 Los cargos de transporte de servicio de garantia seran reembolsados por la fabrica al verificar el reclamo de garantia y presentar una boleta de flete por servicio terrestre regular Se debe obtener la aprobacion del fabricante antes de hacer el envio a un centro de servicio autorizado 5 Los reclamos de servicio de garantia estan sujetos a inspeccion de defec
40. sure is detected the unit displays PRESSURE TOO HIGH FOR VACUUM PRESS EXIT Select EXIT and recover refrigerant before proceeding If a leak test was programmed and a leak is detected the unit displays LEAK TEST FAILED PRESS YES TO CONTINUE NO TO ABORT Select NO 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 A C 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 11 Operating Instructions Flushing the Hoses If the next vehicle to be serviced contains a different type of oil than the previous vehicle serviced it is recommended that the service hoses be flushed of residual oil to prevent contamination 1 Connect the service hoses to the unit s storage port connections shown in Figure 7 2 Open the coupler valves by turning the collars clockwise 3 Select HOSE FLUSH The unit displays HOSE FLUSH CLEARS THE SERVICE HOSES OF OIL SO THAT A VEHICLE WITH ANOTHER OIL TYPE CAN BE SERVICED PLACE BOTH SERVICE HOSES ONTO STORAGE PORTS AND OPEN SERVICE V
41. t 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 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 A special flushing adapter purchased separately 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 8 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
42. tate 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 3 10 al EI Oil Drain Dye Inject Bottle Bottle Oil Inject Figure 6 Bottle Note It is easier to remove the oil drain bottle if the oil inject bottle is removed first Operating Tips After the RECOVER function is selected If system pressure is below 10psi until pressure increases the display reads LOW RECOVER PRESSURE PLEASE CHECK VALVES AND CONNECTIONS SELECT YES TO CONTINUE WITH RECOVER OR SELECT VACUUM THE EXIT KEY ABORTS THE FUNCTION Verify high and low side hoses are connected and coupler valves are open Select Yes to recover select Vacuum to bypass recover or select Exit lf 100 Ibs 45 kg or more of refrigerant has been recovered since the last filter drier change the display reads FILTER WEIGHT XXX LB 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 Ibs when filter weight reaches 150 bs 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 to
43. the 2 key once to see the A on the digital j display To enter a 2 Press the 2 key 8 four times to see the 2 on the digital display AT iss Pe appropriate letter contrast is shown on the display pause for a moment until the cursor moves to the next position N usad arQd Replacement Parts Replacement Component Part No Calibration Weight 540066 Cap for Oil Dye Inject Bottle 545574 Dye Inject Bottle 548905 Filter Drier 34724 High side Storage Port 546882 Low side Storage Port 546883 Maintenance Kit consists of a filter drier and vacuum pump oil 13172 Oil Drain Bottle 546411 Oil Inject Bottle 548905 Printer Paper 3 rolls 34215 Service Coupler Set high and low side couplers 18192 Service Hose low side blue 62121 Service Hose high side red 63096 Vacuum Pump Oil case of 12 quarts 13203 Vacuum Pump Oil case of 4 gallons 13204 Vinyl Dust Cover optional 17492 Tank Fill Hose Filter 10233 554228 Rev E July 30 2013 25 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 purchase
44. the charge When the charge cycle gets close to the weight entered in Step 6 the unit slows down It will charge settle charge again settle etc Before it charges the unit may purge air out of the ISV to minimize the amount of noncondensable gases that could contaminate the A C system 554228 Rev E July 30 2013 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 THERE IS NOT ENOUGH REFRIGERANT IN THE ISV TO COMPLETE CHARGE PRESS TANK FILL TO ADD MORE OR EXIT TO ABORT Refer to the Maintenance section for instructions to Manually Fill the Internal Storage Vessel ISV After selecting INJECT OIL ff the oil inject bottle s not in the correct position the display reads INJECT OIL BOTTLE WEIGHT IS LOW CHECK OIL BOTTLE RETRY OR EXIT TO ABORT Verify the oil inject bottle is attached to the machine as explained in the Setup section After selecting INJECT OIL f there is an insufficient amount of new oil in the oil inject bottle the display reads INJECT OIL HAS STALLED CHECK OIL BOTTLE RETRY OR EXIT TO ABORT Fill the oil inject bottle with new oil as explained in the Setup section If pressure is detected the unit displays PRESSURE TOO HIGH FOR INJECT PRESS EXIT Select EXIT and reco
45. tos del producto 6 El fabricante no sera 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 Eluso de equipo de recuperaci 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 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 El producto o parte de ste se rompe accidentalmente 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 micos 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 mat riau de fabrication et de co
46. ur 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 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 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
47. ver refrigerant before proceeding 13 Operating Instructions Recharge the A C System contd 7 When the charge is complete the display shows CHARGE DIAGNOSTICS HIGH SIDE XX PSI MAX XX PSI LOW SIDE XX PSI MIN XX PSI CHARGE AMOUNT XX XX LBS START A C TO PERFORM DIAGNOSTICS OR WITH A C OFF PRESS NEXT TO CLEAR HOSES To obtain current pressure readings and diagnostics from the vehicle start the vehicle s air conditioning system set at maximum output or select NEXT to continue 8 The unit displays CHARGE COMPLETE SELECT EQUALIZE TO USE A C SYSTEM TO CLEAR HOSES SELECT COMPENSATE TO USE HOSE COMPENSATION AND NOT RUN A C SYSTEM Select EQUALIZE to ensure all liquid refrigerant trapped in the hoses is transferred to the vehicle A C system for an accurate charge OR Select COMPENSATE to charge a small amount of refrigerant into the vehicle A C system to offset any refrigerant that may be left in the hoses A WARNING To prevent personal injury e Verify the vehicle is in park or neutral with the emergency brake ON before starting the engine e Never run a vehicle without adequate ventilation in the work area 14 Recharge the A C System contd 9 If EQUALIZE was selected the display reads HOSE EQUALIZE CONNECT LOW SIDE SERVICE HOSE TO A C SYSTEM AND OPEN COUPLER MAKE SURE HIGH SIDE HOSE IS DISCONNECTED FROM A C SYSTEM START A C SYSTEM ON MAX AND OR RECIRCULATE Close the high side coupler v
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