Robinair 12134B
Contents
1. U w O 1998 Robinair SPX Corporation Operating Instructions RECHARGING THE A C SYSTEM A WARNING A Always wear safety goggles when working with refrigerant Use only authorized refillable refrigerant tanks Disconnect hoses with extreme caution All hoses may contain refrigerant under pressure Read and follow all warnings at the beginning of this manual before operating the unit The A C system must be evacuated before recharging When you turn on the unit you can enter the amount of refrigerant to be recharged The unit stores this value in memory until you turn it off or program a different amount 1 Open both manifold valves on the control panel 2 Besure both valves on the tank are open 3 Enter the amount of refrigerant required to recharge the system by pressing the appropriate number keys The charge must be entered in hundredths of a pound the same way the nameplate on the vehicle s A C system specifies the charge 4 Press ENTER To access the CHARGE mode press CHG If this does not bring up the digital display showing PROGRAM and CHARGE press SHIFT RESET to scroll through the display menu 6 Close both manifold valves CAUTION Be sure both manifold valves are closed before starting the A C system CHG 134a ma Example HIGH e NX S P 5 EN Open Appropriate Valves For System Being Serviced _2. S Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 19 Operating Instructions T CHANGING REFRIGERANT TYPES L r Follow these steps to change the designated refrigerant type to either R 12 gt or R 134a and to prevent mixing of R 12 and R 134a 1 Disconnect the red high side and blue low side hoses from the A C ME system then open the manifold and tank valves l 2 Press SHIFT RESET until CLR appears in the display B 3 Press HOLD CONT to start the system oil separator clearing process During the system oil separator clearing process the compressor is activated and the OIL message displays ius The compressor will stop while the unit equalizes pressure and the NZ OIL message will continue to display When the unit reaches the Mm correct pressure the display alternately flashes the messages OIL l and drn a F 1 4 Open the oil drain valve to drain the oil After all oil has drained close the oil drain valve The message changes to Cont 5 Press HOLD CONT to start the self clearing process The display will show Clr This will take approximately 12 minutes ipd 6 When this process is complete the display will flash PROGRAM and y R 12 or R 134a depending on the selector switch position LONC 7 The refrigerant selector switch may be changed at this time To choose a refrigerant press EN TER The u
3. Main Power Switch diia MN ON E NN Switch R 12 R 134a High Side Hose i A dS High Side Hose R 134a Low Side Hose id N Ow Side Hose R 134a Tank Vapor Port R 134a Tank Liquid Port R 12 Tank Vapor Port R 12 Tank Liquid Port R 12 Tank Air Purge Port R 134a Tank Air Purge Port Scale Platforms pa pa yee a Ma R 134a Diagram of Unit s Components Rear View AAA ENEPTENEU T S 9 Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a R 12 Display CLOSE VALVES WHEN OPERATING VEHICLE HIGH High Side Valw y i High Side Gauge Low Side Valw Low Side Gauge qu Set Up Instructions R 134a M High Side Valve High Side Gauge I Low Side Valve _ Side Gauge INST0222 Keypad r gt e lo jas Diagram of Control Panel and Keypad PREPARING THE VACUUM PUMP 10 The VacuMaster vacuum pump is shipped without oil in the reservoir oil Two 16 ounce 472 milliliters bottles of oil are included with your unit Before starting the unit you must fill the pump with Oil Fill Port Oil Sight Glass _ Oil Fill Line Diagram of Vacuum Pump Components 1998 Robinair SPX Corporation Set Up Instructions Before
4. ENTER i Diagram OJ Control ranet E Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a IMPORTANT The unit is designed for charging through both the low side and high side For special charging requirements refer to the manufacturer s specifications IMPORTANT Do not lean or place your hands feet on the tank or scale during the refrigerant transfer process Any weight disturbance will cause an incorrect transfer PROGRAM nn o 14 14 14 rol LTL a Enter the correct weight for your application 27 Operating Instructions A WARNING A Before starting the vehicle s engine check to see that it is in PARK or NEUTRAL with the emergency brake on Never run a vehicle without adequate ventilation T 10 11 12 13 14 15 Start the vehicle s A C system and let it run until the gauge pressure readings stabilize compare the gauge readings with the system manufacturer s specifications Check the evaporator outlet temperature to be sure that the A C system is operating properly refer to the system manufacturer s specifications for the proper temperature Turn off the vehicle s engine When using R 12 disconnect the 96 inch 244 cm red high side hose from the high side adapter When using R 134a close the high side coupler valve then disconnect the 96 inch 244 cm red high side hose from the A
5. Operatin Manual j Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a USTED Design Certified by ROBINAIR Series 12134B Underwriters Laboratories Inc to meet SAE J1770 Refrigerant Recovery for recycling R 12 and UL oe eee Refrigerants R 12 and R 134a UL R 134a using common C Recycling and Recharging Station 9 refrigerant circuits A WARNING A PRESSURIZED TANK CONTAINS LIQUID REFRIGERANT OVERFILLING OF THE TANK MAY CAUSE VIOLENT EXPLOSION AND POSSIBLE INJURY OR DEATH Safety devices require the use of only authorized refillable refriger ant tanks Refer to the instruction manual for tank specifications and ordering information Do not recover refrigerants into a non refillable storage container Federal regulations require refrigerant to be transported only in containers meeting DOT spec 4BW or DOT spec 4BA ALL HOSES MAY CONTAIN LIQUID REFRIGERANT UNDER PRESSURE Contact with refrigerant may cause injury Wear proper protective equipment including safety goggles Disconnect hoses with extreme caution HIGH VOLTAGE ELECTRICITY INSIDE PANELS RISK OF ELECTRICAL SHOCK Disconnect power before servicing unit Refer to the instruction manual REDUCE THE RISK OF FIRE soine use ofan extension cora because the extension cord may overheat If an extension cord must be used it must be No 14 AWG minimum and as short as possible Do not use this equipment in the vicinity of spilled or open containers of gasol
6. Segment C Shows a number or a coded error message on the digital display that indicates the unit s operating status or any specific problems See Troubleshooting Tips for a list of error codes and messages Segment D Indicates that refrigerant is low approximately 6 pounds of refrigerant is left in the tank Either replace the tank or add refrigerant as described in Adding Refrigerant to the Tank O 1998 Robinair SPX Corporation Operating Guidelines USING MANUAL DIAGNOSTICS 4 WARNING A Be sure to discharge AC system pressure before performing any manual diagnostics or be sure all refrigerant has been recovered from the AC system before performing any diagnostics This units manual diagnostics mode is easily accessible through the keypad 1 Press SHIFT RESET and ENTER at the same time The display will show the message FUNC 2 Press the following keys to perform these functions Press 1 Starts the vacuum pump to begin evacuation To interrupt evacuation press HOLD CONT To resume operation press HOLD CONT again Press 2 Begins the transfer of refrigerant The ADD message displays momentarily then the display shows the amount of refrigerant transferred Press HOLD CONT at any time to interrupt the transfer then press HOLD CONT again to continue Press 3 Displays the total amount of refrigerant recovered Each time recovery is completed the lat
7. 800 822 5561 for service authorization and the location of the nearest service center Do not ship or deliver units to a service center without authorization Do not ship units to the factory 5 Warranty service claims are subject to factory inspection for product defect s The factory or service center personnel are the sole determinates of warranty coverage 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 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 this recovery recycling equipment with unauthorized refrigerants will void the warranty Authorized refrigerants are listed on the equipment or are available through our Technical Service Department This Limited Warranty does not apply if 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 Note Refillable refrigerant tanks are reusable Do not send them to service center unless the tank is defective Because of ongoing product improvements we reserve the right to change design specifications and materials without notice _ A O 1998 Robi
8. IMPORTANT The unit is designed for charging through boththelow side and high side For special charging requirements see the manufacturers specifications PROGRAM BS A m Vas Weight Example X A LPL Enter the correct weight for your s 31 rI LLT nii WI L zs Flashes AUTOMATIC 32 Operating Overview CHANGING REFRIGERANT TYPES Follow these steps to change the designated refrigerant type to either R 12 or R 134a and to prevent mixing of R 12 and R 134a l Disconnect the red high side and blue low side hoses from the A C system then open the manifold and tank valves Press SHIFT RESET until CLR appears in the display Press HO LD CONT to start the system oil separator clearing process During the system oil separator clearing process the compressor is activated and the OIL message displays The compressor will stop while the unit equalizes pressure and the OIL message will continue to display When the unit reaches the correct pressure the display alternately flashes the messages OIL and drn Open the oil drain valve to drain the oil After all oil has drained close the oil drain valve The message changes to Cont Press HO LD CONT to start the self clearing process When this process is complete the display will flash the current selected refrigeran
9. 68122A 68122A 68123A 68123A RA 19438 68396 RA 19439 68296 68127 68127 68126 68126 68128 68128 RA19434 63096 RA19435 62096 RA17416 RA17516 34430 34430 RA19458 RA19314 RA19436 RA15428 RA19006 RA19088 N A RA19321 RA17522 RA17578 RA19331 N A RA17529 RA17529 RA19343 RA19343 RA18752 RA18752 RA19266 RA19266 RA19444 RA19316 RA19291 RA19291 RA17419 RA17419 RA19445 RA19210 RA19449 RA19369 RA19280 RA19318 RA19279 RA19319 181904 18190A 18191A 18191A 17495 17495 RA 19442 RA19198 RA19443 RA 19242 RA17459 RA17324 10751 10751 RA 19258 RA19258 RA19303 RA19294 RA19297 RA 19297 Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 45 Flow Diagram LOW SIDE VALVE HIGH SIDE VALVE HIGH SIDE VALVE ISOLATION BLOCK ASSEMBLY AR PURGE AIR PURGE LIQUID VALVE FAN HIGH PRESSURE CUT QUT OIL SEPERATOR INSTO459 ASSEMBLY TIME DELAY FUNCTION RECYCLE R 12 1340 R 12 340 R 12 1340 R 12 1340 R 12 1340 0 0 0 0 0 X 0 y 0 X 0 0 0 y 0 0 0 X 0 X 0 0 X X 0 X 0 0 0 0 0 X 0 0 0 0 X 0 0 0 0 0 0 0 0 X 0 0 0 0 0 0 0 0 0 0 X X X X X X X 0 0 0 0 0 0 0 0 0 0 0 it Y 0 0 X 0 0 0 X 0 0 X 0 0 X 0 0 X 0 0 0 0 X 0 X 0 0 0 0 0 0 X 0 y 0 00 4 INLET VALVE X X 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 X 0 0 0 u 0 0 0 0 0 0 X X Y Y 0 0 X X 0 al X X M
10. C system Restart the vehicle then open both manifold valves on the control panel Refrigerant from both hoses will be drawn quickly into the A C system through the blue low side hose When both gauges show the lowest operating pressure recommended by the manufacturer close the low side valve and turn off the vehicle s engine When using R 12 disconnect the 96 inch 244 cm blue low side hose from the low side adapter When using R 134a close the low side coupler valve and disconnect the 96 inch 244 cm blue low side hose from the A C system Close the high side manifold valve Both valves should now be closed Turn off the MAIN POWER switch on the back of the unit When using R 12 remove the adapters from the vehicle s A C system by pushing down on the coupler while unscrewing the fitting N 00 O 1998 Robinair SPX Corporation Operating Instructions CORRECTING AN INCOMPLETE CHARGE On rare occasions you may find that the total charge does not transfer to the A C system There are two reasons why this can occur l The refrigerant transfer is too slow because the pressure in the unit tank and in the A C system is equal When this happens the unit emits an audible signal and the display shows the weight of refrigerant remaining to be transferred To pull the remainder of the charge into the A C system you should Close the high side valve Open the low side valve Start the A C system and press HO LD CO
11. Connections Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a Red Vapor Hose Yellow Air Purge Hose Blue Liquid Hose 21 Operating Instructions 1 Connect the hoses to the vehicle as follows IMPORTANT f Run the A C system for For R 12 Systems a few minutes before e Attach the proper adapters to the low side and high side fittings on starting the recovery the vehicle An adapter package comes with each unit process Tests show more refrigerant is recovered if this action e Connect the unit s 96 inch 244 cm red high side hose to the adapter attached to the vehicle s high side fitting is taken Turn the Connect the unit s 96 inch 244 cm blue low side hose to the adapter system off before attached to the vehicle s low side fitting proceeding For R 134a Systems e Connect the unit s 96 inch 244 cm red high side hose with the quick coupler to the high side fitting of the A C system then open the coupler valve Connectthe unit s 96 inch 244 cm blue low side hose with the quick coupler to the low side fitting of the A C system then open the coupler valve 2 Checkthe manifold gauges on the unit s control panel they should both register above zero If there is no system pressure there is no refrigerant in the system to recover or the hoses are not connected Diagram of Quick Coupler properly Be sure the
12. PUMP IS ENERGIZED S DRAINED INSTO460 4 sI 6 O 1998 Robinair SPX Corporation 7 4 0000606009 O08 E Lo 0000 NO nl e gt 0000 Mm SIS N fi NOILOANNOO X206 b gt gt eee MR 19901SNI ONNOBO KOTINI 1M SSINVH JO Led SY COTON LON lll us co ININOdNOD 40 Yd SY OIHSINYNS SOY S3IOUONI EN im a 1 O youovava i 1 ON LL J i GIONTIOS s 1 TKN Tidi y 801911044 11AM 3148Nd VOSSTEANOO i oD m ge e els TAO i Si Se TA E d E c A 7 qs 7 us TWE 79 j 7 ETS JINI G I ET CER TR as A 8 9 SU s Em 1 INEO T EET H5 t im Y dd C Iw t ATUS C a ANNIA HOSSMO 2 QION3105 QIoN3108 NNNIVA 0 N 8S HN n EN 1 M3 q oe otl n 1 0 n a Y 1 3 a afi 8 5 A 8 a d d d CIONIJOS ols ak aM Lo TH TONTOS E 6S anon FduNAd W j ES SER su Tild TONTOS gis ufe a AD ARS lis mmg ma m s JN Nee Wie CONOS ES Ah bibi UHR NOEL
13. R 12 and R 134a 41 Troubleshooting Tips RECHARGING OPERATION No power when Main Power switch is on no display showing Problem Unit unplugged Solution Plug the unit into a power source Problem No power at wall outlet Solution Locate the problem with the outlet or change outlets Audible tone sounds during refrigerant transfer Problem Transfer stopped or too slow Solution Close the high side valve then start the A C system and pull the remaining refrigerant into system see Recharging the A C System or be sure the blue hose has access to the tank also be sure there are no obstructions and that the hose is properly connected Problem Refrigerant supply empty Solution Add refrigerant to the tank Problem Tank valves closed Solution Open both valves and be sure hoses are properly connected to the tank and the unit Problem LIQUID tank valve closed Solution Open the LIQUID tank valve and be sure the blue LIQUID hose is properly connected Refrigerant does not flow Problem Refrigerant supply empty Solution Add refrigerant to the tank Problem Tank valves closed Solution Open both valves and be sure hoses are properly connected to the tank and the unit Problem Flow restriction Solution Check all connections on the A C system or check the blue hose connection at the tank s blue valve be sure it is getting access or check the tank s blue valve it should be
14. for about two seconds then shows the amount of refrigerant transferred Transfer stops automatically and the display shows the CPL message when the source tank is empty and has been pulled to a partial vacuum or the weight of refrigerant in the unit tank reaches 15 pounds The display toggles between CPL and the weight in the tank This process takes about 45 minutes You can interrupt it at any time by I H Mo pressing HO LD CO NT once Press HOLD CO NT again to resume L 7 operation The transfer of new refrigerant is limited by weight to leave CHECK REFRIGERANT space about 10 pounds of refrigerant in the unit tank for recovery Weight Example 7 purposes 9 When using R 12 close the supply valve on the source tank and carefully disconnect the 36 inch 91 cm blue liquid hose from the 6 inch 15 2 cm yellow adapter if used then remove the 6 inch 15 2 cm yellow adapter from the source tank W hen using R 134a with a disposable tank turn the tank right side up close its valve and carefully disconnect the 36 inch 91 cm blue liquid hose Reconnect the 36 inch 91 cm blue liquid hose to the LIQUID valve on the unit tank then open that tank s LIQUID valve Connect the 96 inch 244 cm red high side hose to the unit s high side port You can also attach an oil injector to the unit s low side port Oil injectors will not connect to the wrong ports The R 12 oil injector has a 4 inch flare connector the R 134a oi
15. oil drain valve is closed Open both manifold valves on the control panel Open the GAS vapor and the LIQUID valves on the tank QN Un A W Plug the unit into the proper voltage outlet and turn on the MAIN POWER switch on the back of the unit The display shows R12 or 134a to indicate the current mode 7 Press SHIFT RESET then press RECO VER Open Appropriate Valves For The System Being Serviced R 12 uds e R 134a i 7 Manifold Gauges p Manifold Gauges m Manifold Valves E Closed Manifold Valves Open ve 1 Q O lt 1 pu SHIFT Diagram of Control Panel RESET 22 O 1998 Robinair SPX Corporation Operating Instructions 1OLD al ES E RECOVER RECOVE OUNCES RECOVE CL L shows on the display if there is pressure in the unit and a self clearing process of the components begins You ll know this is occurring because the compressor will start and the CL L message remains on the display This process takes from 20 seconds to 4 minutes to complete Once the clearing is complete the unit automatically begins to recover refrigerant from the system If there is no internal pressure in the unit refrigerant recovery begins immediately CAUTION If the A C system pressur
16. 19 485 5561 Fax 419 485 8300 120029 Rev 6 98 Series 12134B Units Printed In USA
17. LD Interrupted charging cycle RECOVER AUTOMATIC Unit is recovering refrigerant Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a Operating Guidelines VACUUM With PROGRAM indicates that the unit is ready to beprogrammed for vacuum With AUTOMATIC indicates that the vacuum pump is running the number displayed counts down in minutes and seconds showing the amount of time remaining With HOLD indicates that HOLD CONT was pressed to interrupt the vacuum cycle RECYCLE With AUTOMATIC indicates the unit is recycling refrigerant from the tank CHARGE With PROGRAM indicates that the unit is ready to beprogrammed for the amount of refrigerant to be charged into the A C system on the keypad enter the charge in pounds and hundredths of a pound With AUTOMATIC indicates the unit is charging refrigerant into the A C system the number shown on the digital display counts down showing the remaining amount of refrigerant to be dispensed With HOLD indicates that HOLD CONT was pressed to interrupt the charging cycle the number shown on the digital display is the amount of refrigerant remaining to be charged into the A C system to continue charging press HOLD CONT again RECOVER With AUTOMATIC indicates the unit is recovering refrigerant from the A C system and shows the amount of refrigerant recovered in pounds OIL O UN CES Lights up as a reminder to drain the oil separator after each job
18. N R 134a systems have special fittings per SAE specifications to avoid cross contamination with R 12 systems Do not attempt to adapt your unit for any other refrigerant system failure will result R 134a Tank E R 12 Tank Yellow Air 1 y EN o E Blue Liquid Valve Purge Hose x E P 2 Red Vapor Valve L p X Blue Tank Hose Red Vapor Hose E Ww Red Vapor Hose Blue Tank Hose Y Red Vapor Valve Yellow Air Blue Liquid Valve Lf m sprega Purge Hose Ly MAT y i TJ Dr ER a MAN LUC POWER H Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a IMPORTANT Valves on tank may not be as shown Always follow markings on valve handle Liquid Blue Vapor Gas Red IMPORTANT Attach the Quick Seal ends of the hoses to the tanks Attach the 45 standard fittings to the unit These fittings must be angledtoward the center of the unit Hoses must be routed between the tanks Accu racy ofthe scales may be affected by hoses leaning on the tanks 13 14 Set Up Instructions R 12 LOW SIDE VALVE OPEN INSTO229 ER EN LOW SIDE VALVE OPEN INST0228 SHIFT ENTER RESET Before installing and pulling a vacuum on the tank make sure all the 36 i
19. NT The remaining charge is pulled into the system and the display shows the CPL message The transfer will not complete and the display shows the CHECK REFRIGERANT message because there is not enough refrigerant in the tank to complete the process You must then recover the partial refrigerant charge in the A C system add refrigerant to the tank and complete another evacuation and charge procedure Press SHIFT RESET to reset the unit Recover the refrigerant that was charged into the A C system following the instructions in Recovering Refrigerant Add refrigerant to the tank following the instructions in Adding Refrigerant to the Tank Evacuate the A C system following the instructions in Evacuating the A C System and Recycling Refrigerant Recharge the A C system The vehicle now has a complete charge Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a IMPORTANT For maximum charging accuracy you must clear the hoses of all refrigerant IMPORTANT If the message ADD appears there is not sufficient refrigerant in the tank Follow the instructions in Adding Refrigerant to the Tank 29 Operating Overview This overview is designed as a quick reference when using your unit Read and follow all warnings in the manual RECOVERY 30 l Connect the hoses to the vehicle red to hig
20. Robinair Divisi S RIGHT INST0016 CAUTION For best results use filter drier part no 34430 All performance tests and claims are based on using this specially blended filter drier Use of another type may affect performance results 6 Press HOLD CONT The vacuum pump starts automatically and runs for five minutes before shutting off The messages on the digital display change to FIL and VACUUM O 1998 Robinair SPX Corporation Maintenance Instructions INSTO082 Diagram of Filter Drier Location 7 After the vacuum pump shuts off your unit will return to the main menu If you had just finished recovering refrigerant from the system go to Evacuating the A C System and follow the instructions in that section If you were in the middle of automatic vacuum recycling press VACUUM to enter the automatic vacuum recycling mode You will have to start that process over you cannot pick up where you left off Follow the instructions in the Evacuating the A C System If you were in the manual recycling mode press SHIFT RESET and ENTER at the same time Recycle until the moisture indicator turns green then press SHIFT RESET to stop recycling Any air left in the unit by the filter replacement is removed by the automatic air purge during recycling _ PK c NENNT Series 12134B Recover
21. Tai Fidd MOTI TX i GIONSTOS as di Raa mE SIS NI 10 ovig 30m IN Wu L__Nowverno3_ JBPM QIONZIOS WI Meme O IS ANDA Y Gd M 100 100 100 102 ams NOILOJLONO Junss2ud Ned m6 0103135 MOMIA MOT 10 gt 3 INASI on G ag NEWS eae VIMS ois 3910 8 4 c EN 8 ETE SLAIN f f f f aw 0 ee 18 18 neo 70 E 38 38 s g CONTOS PWO E ah AES JdHd MU WE mm O go QUES A 918 WVA STIR 29300 TAE 039 3118 oN 6 ON O6600606000 Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a a IMPORTANT Please have model number serial number date code and proof of purchase invoice ready when you call for warranty authorization 48 Limited Warranty 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 service center 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 9 Ifthe product fails 1t will be repaired or replaced at the option of the manufacturer 4 Warranty service is provided by our network of authorized service centers Call the toll free Technical Support Line
22. Then connect the 36 inch 91cm blue LIQUID hose to the adapter W hen using R 134a connect the blue liquid hose directly to the blue LIQUID valve of the source tank Disposable tanks have only one valve and most must be turned upside down to transfer liquid If you are using a disposable tank follow the instructions on the side of the tank to obtain a liquid supply 4 Open the LIQUID valve on the source tank there is only one valve on a non refillable tank CAUTION Do not use the 96 inch 244 cm blue low side hose The blue LIQUID hose is the blue hose attached to the tank s LIQUID valve 5 Open the red GAS vapor valve on the unit tank continued _ PK c NENNT Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a IMPORTANT When setting up for both types of refrigerant a clearing process will have to be performed IMPORTANT The 96 inch 244 cm red high side hose and the 96 inch 244 cm blue low side hose are not used when adding refrigerant to the tank 17 Set Up Instructions Func PL The display shows the weight of refrigerant added to the tank OIL OUNCES 10 11 12 6 Press SHIFT RESET and ENTER at the same time to access the diagnostic mode The display shows the message Func Press 2 to begin transferring refrigerant The display shows the Add message
23. To help us i es serve you better please be prepared to provide the model 45 028 number serial number and date of purchase 5 0 0 31 Ex Me To validate your warranty you must complete the warranty card 65 04 attached to your unit and return it within ten days from date of 7 0 0 44 purchase 7 5 0 47 8 0 0 50 8 5 0 53 NATIONWIDE NETWORK OF AUTHORIZED SERVICE CENTERS 9 0 0 56 If your unit needs repairs or replacement parts you should m d contact the service center in your area For help in locating a 10 5 0 66 service center call the toll free technical support line 11 0 0 69 115 0 72 12 0 0 75 Due to ongoing product improvements 12 5 0 78 we reserve the right to change design 13 0 0 81 specifications and materials without notice 13 5 0 84 14 0 0 88 This equipment is designed to meet all applicable agency certifications us d including Underwriter s Laboratories Inc SAE Standards and CUL 155 097 Proper maintenance of this equipment will provide accurate A C service 160 hb for many years Certain state and local jurisdictions dictate that using this equipment to sell refrigerant by weight may not be permitted We recommend charg ing for any A C service by the job performed This weight scale provides a means of metering the amount of refriger ant needed for optimum A C system performance as recommended by OEM manufacturers ROBINAIR SPX Corporation 1224 Robinair Way Montpelier OH 43543 1952 USA Phone 4
24. ank Refrigerant does not flow Problem Refrigerant supply empty or low Solution Add refrigerant to the tank Problem Tank valves closed Solution Open both valves and be sure hoses are properly connected to the tank and the unit M n O 1998 Robinair SPX Corporation Troubleshooting Tips EVACUATION OPERATION Vacuum pump does not start Problem Solution Problem Solution Problem Solution U HT message on digital display Recover all refrigerant before pulling a vacuum Vacuum pump unplugged Plug the pump into the vacuum pump power connector on the unit Vacuum time not entered Program the required time for vacuum Vacuum pump runs but low side gauge does not register an appropriate vacuum Problem Solution Problem Solution Problem Solution Problem Solution Problem Solution Pump oil contaminated Flush and change the vacuum pump oil Charging line loose Check connections Manifold leaking Check connections Low side valve closed Open low side valve 3 s hose improperly connected to pump Check connection For further assistance call 800 822 5561 Please have model number serial number date code and proof of purchase A r Series 12134B Recovery Recycling Recharging Unit for
25. arts and runs continuously 10 Letthe pump run for a minimum of five minutes A vacuum may then be pulled on the other refrigerant tank by changing the selector C switch Run a vacuum on this tank for a minimum of 5 minutes After W nc at least 5 minutes set the selector switch on the required refrigerant type Press HOLD to stop the pump Press SHIFT RESET to return to PROGRAM mode CAUTION The procedure described in steps 1 through 10 is r l t for new tanks only It should be done only on initial set up or after clearing cycle has been completed Using this procedure for used tanks could damage the vacuum pump and or allow cross contamination to occur 11 To maintain vacuum on the tank close the low side valve on the control panel Disconnect the 36 inch 91 cm yellow hose from the tank on the unit FIRST before disconnecting this hose from the back 4 L ri of the unit Disconnecting in this order will prevent vacuum loss from n the unit tank To partially fill a tank during initial set up see Partially Filling A Tank To add refrigerant to the tank during normal operation see Adding Refrigerant to the Tank NOTE Any time the refrigerant type is flashing on the display the refrigerant selector switch may be changed mmE EE aT Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 15 Set Up Instructio
26. data into the unit memory O 1998 Robinair SPX Corporation Operating Guidelines DIGITAL DISPLAY MESSAGES This section explains the messages shown on the digital display which is illustrated below A PROGRAM HOLD VACUU AUTOMATIC j NUES EM CARA NA K is BN CHARG E C ip k LBS gt B HHHH S p f RECOVER p OIL GRAMS D CHECK REFRIGERANT tie 2s Diagram of Digital Display Segment A Indicates the current operating mode PROGRAM The unit is in the PROGRAM mode which allows you to program vacuum time and refrigerant weight Or to review the existing program HOLD This mode is used to change a refrigerant tank or to interrupt the vacuum charging recovery cycles AUTOMATIC Indicates that the unit is running in a given cycle and will automatically stop when the cycle is complete Segment B Indicates that the unit is either evacuating the A C system Or recovering recycling or recharging refrigerant or that the unit is ready to be programmed for one of these functions See the chart below for a quick reference of these segments Use chart as a quick reference for interpreting Segment B messages VACUUM PROGRAM Program unit for vacuum VACUUM AUTOMATIC E Vacuum pump is running VACUUM HOLD Interrupted vacuum cycle RECYCLE AUTOMATIC Unit is recycling refrigerant CHARGE PROGRAM Program unit for charge CHARGE AUTOMATIC Unit is charging A C system CHARGE HO
27. e is 25 psi or less the message CH P appears on the display to alert you not to attempt recovery from an empty system Do not press HOLD CONT to continue the recovery process unless you know the A C system contains refrigerant To exit the CH P message and continue with recovery press HOLD CONT or move to the PROGRAM menu by pressing SHIFT RESET The display shows that the unit is in the RECOVER mode and the AUTOMATIC cycle You can monitor the amount of refrigerant removed from the system by watching the display The compressor shuts off automatically when recovery is complete in a partial vacuum The display shows the CPL message and then alternately flashes the weight of refrigerant recovered and the OIL message 8 To assure complete recovery of refrigerant wait for 5 minutes and watch the manifold gauges for a rise in pressure above 0 If a rise occurs press HOLD CO NT Repeat as needed until the system pressure holds for 2 minutes CAUTION Drain the oil from the separator only after each recovery Do not completely depressurize the oil separator immediately close the valve when oil is completely drained in the next step Thedisplay will indicate OIL OUNCES asareminder 9 Besure the oil catch bottle is empty then slowly open the oil drain valve and drain the oil into the oil catch bottle This oil was removed from the A C system during recovery When all the recovered oil has completely drained imm
28. e unit CLOSE VALVES WHEN OPERATING VEHICLE R 12 R 134a Display High Side Valw Low Side Valw y m High Side Valve High Side Gauge High Side Gauge I Low Side Valve Ll Low Side Gauge Low Side Gauge INSTO222 Keypad Diagram of Control Panel u H NA Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a RECYCLE GGG assa 9 fe pem sr e sese 0413 11 Diagram of Keypad Operating Guidelines KEYPAD FUNCTIONS In addition to the number keys the keypad contains special keys that accomplish specific operating functions RECYCLE Activates the recycling sequence when pressed at the same time as the SHIFT RESET key RECOVER Activates the recovery sequence SHIFT RESET Accesses the PROGRAM mode and moves you from one program function to the next FILTER When pressed at the same time as the SHIFT RESET key automatically recovers and evacuates from the filter and low side of the unit so you can change the filter CHG Automatically charges the A C system with the programmed amount of refrigerant HOLD CONT Interrupts the AUTOMATIC cycle HOLD then resumes functions CONT Press once for HOLD and again for CONT continue VACUUM Activates the vacuum and automatic recycling sequence ENTER Enters programmed
29. ediately close the valve and record the amount of oil in the bottle If the recovery tank fills completely The compressor shuts off and the digital display flashes between FULL and ADD REFRIGERANT Change the tank see Adding Refrigerant to the Tank The A C system is now empty Make any repairs at this time 23 Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a Operating Instructions IMPORTANT You should evacuate for at least 15 minutes for adequate moisture and contaminant removal 24 EVACUATING THE A C SYSTEM A WARNING A Always wear safety goggles when working with refrigerant Use only authorized refillable refrigerant tanks Read and follow all warnings at the beginning of this manual before operating the unit This station is UL certified as a single pass unit During evacuation refrigerant is automatically recycled to assure recharging with the cleanest possible refrigerant in no additional time Open Appropriate Valves For The System Being Serviced S ENTER SHIFT RESET Diagram of Control Panel For R 12 Or R 134a CAUTION To be sure the unit tank has sufficient refrigerant for recharging press SHIFT RESET once to access the PROGRAM mode then press SHIFT RESET and ENTER at the same time to enter the diagnostic mode Then press 7 The display must show 5 pounds or more About eight pounds of refrige
30. elector switch to the appropriate refrigerant type R 12 or R 134a R 134a WARNINGS Cross contamination with other refrigerant types will cause severe damage to the A C system and to service tools and equipment Do not mix refrigerant types through a system or in the same container Avoid breathing A C refrigerant and lubricant vapor or mist Exposure may irritate eyes nose and throat To remove R 134a from the A C system use service equipment certified to meet the requirements of SAE J1770 R 134a recycling equipment If accidental system discharge occurs ventilate work area before resuming service HFC 134a service equipment or vehicle A C systems should not be pressure tested or leak tested with compressed air Some mixtures of air HFC 134a have been shown to be combustible at elevated pressures These mixtures are poten tially dangerous and may result in fire or explosion causing injury or property damage Introduction ntroduction This manual containsimportantsafety procedures concerning the operation use and maintenance of this product Failure to follow the instructions contained in this manual may result in serious injury If you are unable to understand any ofthe contents of this manual please bring itto the attention of your supervisor Do notoperate this equipmentunless you have read and understood the contents of this manual TABLE OF CONTENTS ntrod ctOn MT 1 Glossary o A TOU 2 O
31. est amount is added to the existing total To clear the internal counter press SHIFT RESET and EN TER at the same time while the total is being displayed The maximum amount recorded is 9 999 pounds of refrigerant Press 5 All display segments light up Press 6 Automatically sets the scale to 0 then displays the approximate weight added to the scale Press 7 Displays the approximate weight of refrigerant contained in the tank Press 9 Allows access to the scale calibration feature Press 0 Automatically switches from pounds to kilograms Press HOLD Performs a manual air purge 3 Press SHIFT RESET to return to the PROGRAM mode JI Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a Manifold Block Assembly we Inlet Solenoid Assembly Fan anne behind compressor Compressor Set Up Instructions Vapor Valve 7 Liquid Valve l Manifold Bypass Solenoid High Side Diversion Solenoid __ Air Purge Assembly Check Valve Solenoid Equalization Solenoid Accumulator Condensor Vacuum Pump Diagram of Unit Components Internal View O 1998 Robinair SPX Corporation Set Up Instructions Power Receptacle R 12 R 134a
32. h side port blue to low side port When using the unit with R 12 systems connect the red and yellow adapters to the vehicle ports first then connect the hoses When using the unit with R 134a systems open the quick coupler valves on the hoses after they are connected Check the manifold gauges There must be pressure to recover refrigerant Open both manifold valves Open both tank valves Plug in the power cord then turn on the MAIN POWER switch When the unit displays the selected refrigerant type press SHIFT RESET Press RECOVER The unit will clear itself of refrigerant and automatically start the recovery process The unit is now in the RECOVER mode of the AUTOMATIC cycle The weight of refrigerant is displayed as it is recovered The unit will automatically shut off when recovery is complete The unit will also display the amount of refrigerant recovered Wait 5 minutes watch the gauges If there is no rise in pressure recovery is complete If a rise in pressure occurs press HOLD CONT and repeat until pressure holds for 2 minutes Drain the oil separator by opening the oil drain valve then measure and record the amount of oil drained it must be replaced with new oil during charging O 1998 Robinair SPX Corporation Operating Overview EVACUATION 1 Be sure both manifold valves and both tank valves are still open 2 Press SHIFT RESET until the message PROGRAM VACUUM MINUTES appears on t
33. he display 3 Press VACUUM The display counts down the vacuum time Recycling is automatic while the system is evacuated NOTE To run an untimed vacuum enter 99 00 minutes press EN TER Then press VACUUM The display will show CON for continuous and will run until you press HO LD CONT 4 The unit displays the CPL message when evacuation is complete 5 Addoilto the A C system using the oil injector 6 Press CHG to move to the recharging function RECHARGING 1 Besure both manifold valves are open 2 Besure both tank valves are open 3 Enter the refrigerant charge by weight in hundredths of a pound 4 Press ENTER then press CHG 5 The display counts down to 0 then shows CPL when complete 6 Close both manifold valves and start the vehicle Set the vehicle s A C system for maximum cooling Check the gauges and the temperature in the vehicle 7 Tum offthe vehicle s engine 8 Disconnect the high side hose and start the vehicle Open both manifold valves to pull refrigerant from the hoses 9 Atthe lowest recommended operating pressure close the low side valve and turn off the vehicle Disconnect the low side hose and remove the adapters if used 10 Close the high side manifold valve Both valves should now be closed Turn off the MAIN POWER switch _ HEN Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a PA I m
34. ine or other flammable sub stances Use this equipment in locations with mechanical ventilation that provides at least four air changes per hour or locate the equipment at least 18 inches above the floor Make certain that all safety devices are functioning properly before operating the unit Before operating read and follow the instructions and warnings in the operating manual CAUTION SHOULD BE OPERATED BY QUALIFIED PERSONNEL Operator must be familiar with air conditioning and refrigeration systems refrigerants and the dangers of pressurized components Use this unit with R 12 or R 134a systems only This equipment is not designed for any other purpose than recovering recycling or recharging refrigerants Do not mix refrigerant types ATTENTION Ce r servoir sous pression contient du frigorig ne liquide S il est surcharg ce r servoir peut exploser et causer des blessures ou la mort ATTENTION D brancher avant la maintenance ATTENTION Pour r duire les risques d incendie ne pas utiliser de cordon prolongateur de section inf rieure 14 AWG de facon viter la surchauffe du cordon ATTENTION Utiliser seulement du frigorig ne R 12 ou R 134a OPERATING NOTES 1 Press SHIFT RESET until the CLR message appears in the display 2 Press HOLD CONT The unit will begin clearing refrigerant This takes approximately 20 minutes 3 When the changeover is complete the CPL message will be displayed 4 Move the refrigerant s
35. ive 5 seconds after the vacuum pump starts and the RECYCLE message illuminates to indicate the unit is recycling refrigerant Non condensable gases mostly air are automatically vented from the tank during the recycling process sometimes producing an audible pressure release a hissing sound This is a normal function 6 The vacuum sequence continues for the programmed length of time then displays the CPL message to indicate that evacuation is complete 7 Pressing SHIFT RESET twice at this point moves you to the charging process Option A You can recycle refrigerant only without pulling a vacuum for an indefinite period of time by pressing SHIFT RESET and RECYCLE at the same time To cancel this operation again press SHIFT RESET Option B If you require vacuum only press SHIFT RESET and ENTER at the same time then press 1 Run the vacuum pump as long as required then press SHIFT RESET to cancel m NEPNENEAT Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a AUTOMATIC PL 23 i PA UG m INSTOZ84 25 Operating Instructions IMPORTANT If the vacuum pump has run for 10 or more hours without an oil change the message OIL flashes on the display Change the pump oil following the proceduresinthe Maintenance Instructions IMPORTANT Keep the oil bottles tightly capped at all times t
36. keypad For example to record 20 pounds on the scale press 2 0 0 0 on the keypad Press ENTER The display will show Zero and R 134a Press ENTER The display will flash R 134a then A1 then 0 00 Repeat Steps 8 and 9 using the R 134a scale CHECKING FOR LEAKS Every three months or as specified by local or state laws you should check your unit for leaks As with any mechanical equipment general use moving the unit and vibration can cause fittings to loosen l Turn off the MAIN POWER switch and disconnect the power cord from the outlet Remove the shroud by removing the screws at the back of the unit Use a leak detector to probe all fitting connections for refrigerant leaks Tighten fittings ifa leak is indicated Replace the shroud 1998 Robinair SPX Corporation Troubleshooting Tips RECOVERY OPERATION Compressor does not start or stops prematurely Problem Solution Problem Solution Problem Solution Problem Solution Problem Solution Power cord not plugged in or no power at plug Check circuit for power MAIN POWER switch is off Turn on switch FULL message on digital display Change tanks see Preparing a Refrigerant Tank HI P message on digital display Be sure tank valves are open and hoses are properly connected to the tank or check the scale calibration see Checking the Scale Accuracy or check the two a
37. l injector has a Y inch Acme connector Connect the 96 inch 244 cm blue low side hose to the unit s low side port or the oil injector if used Any non condensable gases in the tank will be removed during the recycling sequence Your unit is now ready for use 18 M O 1998 Robinair SPX Corporation Operating Instructions OPERATING TIPS Follow the SAE J 1989 recommended service procedure for the containment of R 12 and the SAE J 2211 recommended service procedure for the containment of R 134a The recovery compressor is nof a vacuum pump The compressor pulls the A C system to a partial vacuum only You must use the unit s vacuum cycle to remove moisture from the A C system We recommend a minimum 15 minute vacuum with more time as required by the system manufacturer For manual recycling of refrigerant press SHIFT RESET and 1 at the same time Allow the unit to recycle for at least 1 hour This unit is designed to be used with the manifold gauge sets built into the control panel Also included is a 6 cfm 142 1 m VacuMaster high vacuum pump for fast thorough evacuation Be sure to change the vacuum pump oil when the OIL message appears on the display or more often when working on extremely contaminated systems R 134a systems require special oils in place of the mineral oil used with R 12 systems Refer to the A C system manufacturer s service manual for oil specifications mE EEE
38. lack plug on the oil fill port Replace the front access door See the Maintenance Instructions for step by step procedures for IMPORTANT l changing the vacuum pump oil Be SUIG the pump is running when adding the rest of the oil to the pump Do notoverfill the pump The approximate oil charge is 13 ounces 384 milliliters y uum 11 Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a Set Up Instructions SELECTING A MEASUREMENT UNIT P Li n L The next step in setting up your unit is to select the unit of measure x either pounds or kilograms to be used when operating the unit Press SHIFT RESET and EN TER at the same time 2 When the Func message appears on the display press 0 The display will indicate that a unit of measure has not been set 3 Press ENTER to toggle between the units of measure 4 When the desired unit of measure is displayed press SHIFT RESET J vhe i 12 O 1998 Robinair SPX Corporation Set Up Instructions INSTALLING THE TANK AND PULLING A VACUUM A WARNING A Always wear safety goggles when working with refrigerant Use only authorized refillable refrigeranttanks Read and follow all warnings at the beginning of this manual before operating the unit CAUTIO
39. lay When you press 6 the unit automatically zeros the weight on the scale If you remove the weight the display will show the change in total weight but will not show a negative sign _ PK c NENNT Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 37 Maintenance Instructions CALIBRATING THE SCALES IMPORTANT Inspect the unit periodically for leaks The manufacturer of this recovery recycling unit does not reimburse for lost refrigerant 38 If necessary follow these steps to calibrate the scales l 2 3 4 10 11 Remove all weight from the scale platforms Plug in the unit and turn on the MAIN POWER switch Press SHIFT RESET to access the program mode Press SHIFT RESET and ENTER at the same time to access the diagnostics mode The message FUNC will display Press 9 and the display will show a series of dashes Then press ENTER and RECO VER at the same time The display will flash the message DATE and then show 0 00 Enter the current month and year For example if the unit is being calibrated in November of 1996 press 1 1 9 6 then press EN TER The display will flash Zero and R 12 Press ENTER again The display will flash R 12 then A1 then 0 00 Place a known weight on the R 12 scale platform more than 10 Ibs and less than 80 lbs then enter that weight numerically on the
40. mp fuse on the main board CH F message on digital display Remove and replace the filter drier see Replacing the Filter Drier and be sure to pull a vacuum before continuing Runs a short time but does not complete recovery Problem Solution Problem Solution Problem Solution Tank valves closed Open both valves and be sure hoses are properly connected to the tank Manifold valves closed Open both valves Adapters not in use couplers closed Install adapters open couplers Runs but won t shut off Problem Solution Problem Solution Problem Solution Problem Solution Oil drain valve open Close the valve Leak in vehicle system Locate and repair all system leaks see Maintenance Instructions Hoses are not properly connected to the vehicle Check hose connections Adapters not in use couplers closed Install adapters open couplers nmmE EEI S HEN Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 39 Troubleshooting Tips RECYCLING OPERATION Compressor does not start or stops prematurely Problem CH F message on digital display Solution Remove and replace filter drier see Replacing the Filter Drier and be sure to pull a vacuum before continuing Problem Tank valves closed Solution Open both valves and be sure hoses are properly connected to the t
41. n 91cm hoses are attached to the back of the unit as shown on the previous page 1 A new tank comes with 5 to 10 psi of nitrogen gas to keep it clean and dry during shipment Purge its nitrogen charge by opening the GAS vapor valve on the tank Vent the pressure to the atmosphere then close the valve 2 Place the unit tanks on the scale platforms on the back of the unit Securely tighten the thumbscrew on the platforms to hold the tanks in place Attach tank strap clips to unit tanks CAUTION Some tanks have slightly different valve configurations Be sure to connect the red hose to the GAS vapor valve and connect the blue hose to the LIQUID valve 3 Connect the 36 inch 91 cm yellow air purge hose to the low side port on the unit and to the fitting on the unit tank 4 Connect the 36 inch 91 cm red vapor hose on the unit to the GAS vapor valve on the unit tank sp si O 1998 Robinair SPX Corporation Set Up Instructions 5 Connect the 36 inch 91 cm blue liquid hose to the LIQUID valve on the tank Before adding refrigerant you must pull a vacuum on both the unit and the tank for five minutes to remove any air 6 Open both valves on the tank 7 Open the low side manifold valve on the control panel 8 Press SHIFT RESET and ENTER at the same time The display shows the message Func 9 Press 1 The vacuum pump st
42. nair SPX Corporation 20 AS Adding Refrigerant to the Tank 17 Calibrating the Scales 41 Changing Refrigerant Types 2 Changing Vacuum Pump Oil 39 Checking Scale Accuracy 40 Control Panel Components 3 Correcting an Incomplete Charge 32 Digital Display Messages 5 Evacuating the A C System 27 Installing the Tank 13 Keypad Functions 4 Manual Diagnostics 7 Operating Tips 21 Partially Filling the Tank 19 Preparing the Vacuum Pump 10 Pulling a Vacuum 13 Recharging the A C System 30 Recovering Refrigerant 23 Replacing the Filter Drier 36 Replenishing A C System Oil 29 Selecting a Measurement Unit 12 This equipment is protected by one or more of the following patents U S Patents 4 523 897 4 688 388 Re 33 212 4 768 347 4 809 520 4 878 356 4 938 031 5 005 369 5 005 375 5 042 271 Australian Patent 609 240 613 056 622 833 633 766 642 085 Canadian Patents 1 311 621 1 311 622 2 012 620 2 026 348 European Patent 315 296 Bl 329 321 Bl 437 021 Bl 443 695 Bl German Patent 42 13 270 3 Mexican Patent 16208 OTHER U S AND FOREIGN PATENTS PENDING Mfd by Robinair SPX Corporation Montpelier OH 43543 Ty Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 49 CONVERSION TABLE OZ LBS Ty Technical Support Line 05 0 03 800 822 5561 Call toll free 10 0 06 1 5 0 09 in the continental U S or Canada 2 0 0 13 2 5 0 16 3 0 0 19 In all other locations contact your local distributor
43. ng or vacuum recycling operation to assure proper purging of non condensibles All unit functions are interdependent for proper operation Do not ignore problems that occur in any of the procedures At the first sign of a problem call the toll free Technical Support Line for assistance Dspe 2 O 1998 Robinair SPX Corporation Dperating Guidelines CONTROL PANEL COMPONENTS The control panel has various components that control specific operating functions The MAIN POWER switch is located on the back panel of your unit MAIN POWER Switch Supplies electrical power to the control panel Beeper Emits an audible tone to alert you to unit operating functions The beeper is located on the underside of the control panel below the keypad Digital Display Shows the time programmed for vacuum and the weight of refrigerant programmed for recharging Detailed instructions for programming the digital display follow this section LOW Side Gauge Connects to an A C system and shows the system s low side pressure HIGH Side Gauge Connects to an A C system and shows the system s high side pressure Moisture Indicator Shows 1f the refrigerant is wet or dry LOW Side Valve Controls the low side flow from the A C system through the unit HIGH Side Valve Controls the high side flow from the A C system through th
44. nit may be turned off and a refrigerant type selected when the unit is r I again turned on INSTO300 A A A 2 0 O 1998 Robinair SPX Corporation Operating Instructions RECOVERING REFRIGERANT A WARNING A Some R 12 automotive fuel systems use a 4 inch male SAE flare access fitting Connecting your air conditioning service or recovery recycling equipment to this fitting can result in cross contamination of either the fuel system or the air conditioning service equipment These conditions can be potentially dangerous due to the flammable characteristics of gasoline Always refer to your vehicle manual prior to connection CAUTION R 134a systems have special fittings per SAE specifications to avoid cross contamination with R 12 systems Do not attemptto adapt this unit for any other refrigerant system failure will result Read and follow all warnings given at the beginning of this manual Before beginning recovery be sure your unit is set up as shown Check for refrigerant in the tank and vacuum pump oil in the vacuum pump See the Set Up Instructions R 134a fe aS High and Low Side Couplers i Fs High and Low Side Hoses Red Vapor Hose R 12 High and Low 7 Side Hoses Yellow Air Purge Hose Blue Liquid Hose i i INSTO455 Diagram of Hose
45. ns R 134a or R 12 Open Appropriate Valves For System Being Serviced HIGH aa a Ga LIL 0080 INST0232 91083 SHIFT RESET ENTER Diagram of Control Panel When Adding Refrigerant R 12 R 134a 72 N Blue Tank Hose Disposable Tank 4 a E TN T INST0453 Diagram of Disposable Tank Connections When Adding Refrigerant 16 O 1998 Robinair SPX Corporation Set Up Instructions ADDING REFRIGERANT TO THE TANK CAUTION R 134a systems have special fittings per SAE specifications to avoid cross contamination with R 12 systems Do not attempt to adapt this unit for any other refrigerant system failure will result Read and follow all warnings given at the beginning of this manual NOTE Purchase only tanks of R 134a refrigerant that have 1 2 inch 1 2cm Acme threads This is necessary to match the hose fittings 1 Connect one end of the 36 inch 91 cm yellow hose to the air purge port on the back of the unit then connect the other end to the air purge fitting on the unit tank 2 Close the LIQUID valve on the unit tank and disconnect the 36 inch 91 cm blue liquid hose from the valve 3 When using R 12 connect the 6 inch 15 2 cm yellow adapter to the source tank first
46. o keep out moisture and contamination 26 REPLENISHING A C SYSTEM OIL Before charging you must replenish any oil removed from the A C system during the recovery process To replenish the oil the A C system MUST be in a vacuum Two oil injectors are supplied with this unit one for R 12 systems with mineral oil and one for R 134a systems with PAG oil 1 Fill the oil bottle with the correct oil for the A C system being serviced refer to the system manufacturer s service manual CAUTION To prevent air from entering the A C system never let the oil level drop below the pick up tube while charging or replenishing 2 Adjust the O ring around the oil bottle to the required oil charge level For example if the bottles oil level is at 4 ounces and you need only ounce of oil to replenish the A C system place the O ring at the 3 ounce level CAUTION Never open the oil injection valve while there is positive pressure in the A C system This could blow oil back through the bottle vent 3 Open both manifold valves on the control panel 4 Slightly depress the oil injection valve at the top of the bottle and watch the level of oil being drawn into the A C system 5 Release the oil injection valve when the required oil charge has been pulled into the system NOTE Oil charging takes only a few seconds To complete the replenishing process the system MUST be recharged at this time
47. open or be sure the A C system has been evacuated vacuum pump running for a minimum of 15 minutes of vacuum m s H 42 O 1998 Robinair SPX Corporation Troubleshooting Tips ERROR MESSAGE CODES ADD There is less than six pounds of refrigerant in the tank Add refrigerant to the tank See Adding Refrigerant to the Tank CAL The scale is out of calibration See Calibrating the Scale or call the factory at 800 822 5561 CH F The unit has recovered the recommended maximum amount of refrigerant Press SHIFT RESET and FILTER at the same time then replace the filter drier CH P The vehicle s A C system has less than 25 psi Do not attempt recovery if the A C system has no refrigerant Check for restrictions at access fittings Check the manifold valve positions they should be open To continue press HOLD CONT CL L The low side clearing routine is in progress This occurs when you press RECOVER and can last up to four minutes CLR The unit is in the self clearing process CON The vacuum pump will run continuously Press HOLD CONT to stop CONT This message prompts you to press any key to start the self clearing process CPL The specified cycle function recovery evacuation charging or adding refrigerant is complete FIL The filter drier change is in progress FULL The refrigerant recovery tank is full Replace the tank HI P The discharge pre
48. peration iaa 3 Set Up IRSECUCTIODS ii RD PM MR uS 8 Operating Instr S idad 21 Operating OVErvVieW APP gies 33 Maintenance Instructions ia 36 Troubleshooting PS 43 Replacement Parts List A e t Enea 50 NA A 52 Wiring aida 53 Warranty C m 54 See Index 55 for a complete listing of all procedures and diagrams mmE EE aT Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a 1 Introduction GLOSSARY OF TERMS A C System The air conditioning system being serviced Unit The refrigerant recovery recycling recharging unit Unit Tank The refillable refrigerant tank designed specifically for this unit Source Tank A disposable tank of new refrigerant used to refill the unit tank IMPORTANT OPERATING INFORMATION This station is designed to meet minimum SAE specifications for cross contamination and refrigerant purity Ifthe machine is not operated according to the instructions in this manual cross contamination of the refrigerant supply can occur this will require disposal of the refrigerant in the tank Also incorrect operation and any resulting cross contamination have the potential to damage any system charged with the refrigerant Important points to remember After each recovery open the oil drain valve and thoroughly drain any system oil that has been collected Always change filters and vacuum pump oil at recommended times Always run at least a minimum recycli
49. pump then drain the contaminated oil into a suitable container and dispose of it properly Replace the oil drain cap Attach the flexible spout and cap to the oil bottle and pour approximately 6 ounces of vacuum pump oil into the oil fill port Press CONT While the pump is running slowly add new vacuum pump oil until the oil level is even with the line on the reservoir s sight glass Replace the black plastic plug on the oil fill port Replace the access door on the front of the unit Press VACUUM to continue or turn off the MAIN POWER switch if you are finished CHECKING THE SCALE ACCURACY Follow these steps to check the accuracy of the scale 1 Turn on the MAIN POWER switch 2 Press SHIFT RESET until the program prompt is highlighted on the IM A ORTAM T pS Verify that the scale is plugged into the Note If the unit is just being turned on the screen will default to display main board if the the selected refrigerant type Press SHIFT RESET until the PROGRAM scale will not react message is displayed to testing 3 When the screen has the PROGRAM prompt highlighted press SHIFT RESET and ENTER at the same time The screen will display the message Func when the manual diagnostic mode has been accessed properly 4 Remove all weight from the scale platform then press 6 to turn the scale into a direct reading weight scale Note Whatever weight is on the scale when 6 is pressed will not be shown on the disp
50. rant is required to assure a complete A C system charge If the amount displayed is less than 5 pounds add new refrigerant to the tank following the instructions in Adding Refrigerant to the Tank 1 With the 96 inch 244 cm high side and low side hoses connected to the A C system open both manifold valves on the control panel 2 Open both the GAS vapor valve and the LIQUID valve on the tank 3 To program the length of evacuation time press SHIFT RESET The display shows that the unit is in the VACUUM mode Ee 1998 Robinair SPX Corporation Operating Instructions Open Appropriate Valves For The System Being Serviced INSTO250 y VACUUM ENTER SHIFT I RESET Diagram of Control Panel For R 12 Or R 134a 4 A default vacuum time of 15 minutes is preprogrammed to appear on the digital display at start up If required you can override this default setting by entering a different length of time in both minutes and seconds Enter the required time by pressing the appropriate number keys then press ENTER The display shows the time in minutes 5 Press VACUUM to start the vacuum pump If the message U HT appears you have 25 psi or greater of pressure at the inlet You must recover that pressure to continue If necessary press RECO VER The digital display counts down the remaining evacuation time in minutes and seconds Recycling begins automatically f
51. recycling job that is in progress Premium High Vacuum Pump Oil is available in handy quart containers or in convenient gallon containers Quart shipped 12 quarts per case 13203 Gallon shipped 4 gallons per case 13204 Tanks filter drier and vacuum pumps should be purchased through your regular distributor A m O 1998 Robinair SPX Corporation Replacement Parts List Component 115 Volt 220 Volt 30 Lb 13 6 kg Tank 134a 30 Ib 13 6 kg Tank R 12 36 Red Hose Auto Shut O ff 36 Blue Hose A uto Shut O ff 36 Yellow Hose Auto Shut O ff 96 Red Hose Auto Shut O ff 96 Blue Hose Auto Shut O ff 36 Acme Hose Blue 36 Acme Hose Red 36 Acme Hose Yellow Acme Q uick Seal Hose Red Acme Quick Seal Hose Blue Fan Filter Drier Compressor Vacuum Pump Solenoid Check Valve Manifold Bypass Liquid Vapor Valve Manifold Equalization Solenoid High Side Diversion Solenoid High Pressure Switch Main Power Switch Vacuum Switch Pump Protection Switch Expansion Valve and Tube Oil Drain Valve Oil Catch Bottle Dual Scale A ssembly Main Circuit Board High Side Gauge Low Side Gauge Low Side Coupler High Side Coupler Vinyl Dust Cover Automatic Air Purge R 12 Includes Solenoids Automatic Air Purge R 134a Includes Solenoids Relays W heels Solenoid Rebuild Kit Power Cord Oil Drain Pressure Switch 34130 34130 17105 17105 68121A 68121A
52. rocess press SHIFT RESET to interrupt the cycle 3 Press SHIFT RESET and FILTER at the same time to recover all the remaining refrigerant from the low side of the unit The display shows the messages FIL AUTOMATIC and RECOVER When all of the refrigerant has been removed the messages change to FIL and HOLD to indicate the unit is waiting for the filter replacement _ PK c NENNT Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a AUTOM 2 Fu FI 33 Maintenance Instructions 4 When all of the refrigerant has been recovered remove the access door Then remove the filter drier by unscrewing the nuts located at each end of the filter drier Dispose of the used filter drier properly Inspect the condition of the gaskets inside the copper tubes connected to the filter Replace if necessary part no 40084 IMPORTANT Do not remove the caps from the filter ends until you are ready to install it in the unit 34 5 Remove the caps from each end of the filter drier then install the new filter drier and hand tighten the nuts Note If the filter drier nuts are too tight the gaskets may restrict the flow of refrigerant Be sure the refrigerant flow arrow points to the left SPX CORPORATION Part No 34430 BEAR KENT MOORE omc ROBINAIR REFRIGERATION FILTER DRIER For use with HFC 1340
53. ssure is above 435 psi Check to be sure both tank valves are open OIL The vacuum pump has run for 10 hours While the OIL message is displayed press SHIFT RESET and ENTER at the same time to reset the timer Then change the vacuum pump oil OIL DRN This alternating display indicates that the unit has reached the correct pressure and prompts you to open the oil drain valve to drain the oil SCAL The scale is damaged disconnected out of calibration or overloaded it cannot exceed 45 pounds Call the factory at 800 822 5561 U HI There is positive pressure on the vacuum pump Press SHIFT RESET and then RECOVER to remove the pressure then continue the evacuation procedure 99LB The maximum amount displayed during recovery is 99 pounds Press SHIFT RESET to clear the display M S AM 43 Series 12134B Recovery Recycling Recharging Unit for R 12 and R 134a Replacement Parts List Following is a list of replacement parts and accessories you may need to service or maintain your unit The 30 pound 13 6 kilograms refillable refrigerant tank is the only tank you should use with this unit The unit s overfill limitation mechanism has been calibrated specifically for use with this tank and the tank s valving is set up specifically for use with this unit We suggest you keep several filter driers on hand so you will always be able to change them and complete any
54. starting the set up procedures open the oil drain valve and allow the unit to depressurize 1 Plug the unit into a proper voltage outlet CAUTION Avoid the use of an extension cord It may overheat If you must use an extension cord use No 14 AWG minimum and keep the length to 25 feet 7 6 meters or less 2 Besure the oil drain valve is closed 3 Turn on the unit The display will flash the current position of the refrigerant switch 4 Before adding oil to the vacuum pump be sure both sets of manifold valves are closed 5 Remove the access door from the front of the unit Remove the black plastic plug from the pump s oil fill port Attach the flexible spout and cap to the bottle of oil included with your unit this makes it easier to fill the pump 6 Select the correct refrigerant switch position before pressing any keys 7 Press SHIFT RESET The display shows the 15 minute vacuum default time 8 Add six to eight ounces of vacuum pump oil to the pump approximately half the bottle supplied with your unit 9 Press SHIFT RESET and EN TER at the same time When the display shows the Func message press 1 to start the vacuum pump 10 While the pump is running pour oil into the pump s oil fill port until r the level of oil is even with the line on the pump reservoir sight glass rune 11 Press HOLD to stop the pump then press SHIFT RESET to return to the program mode 12 Replace the b
55. t type The refrigerant type may be changed at this time The unit may be turned off and a new refrigerant type selected when the unit is turned on again O 1998 Robinair SPX Corporation Maintenance Instructions There are just a few routine maintenance procedures necessary to keep your unit operating properly REPLACING THE FILTER DRIER The filter drier on this unit is designed to trap acid and particulates and is formulated to remove the high moisture content of refrigerant You can recycle up to 300 pounds of refrigerant between filter changes To help you know when you ve reached that point the unit displays the CH F warning message prompting you to change the filter drier The CH F message will also display since it is based on the total weight of refrigerant recovered When this happens you can bypass the filter replacement routine and finish recovering refrigerant However it is important that you change the filter drier before evacuating the system To bypass the filter replacement routine 1 Press HOLD CONT and resume operation When recovery is complete follow the filter replacement routine in this section To start the filter replacement routine 1 Ifthe manifold valves are open close both of them 2 If you have just completed recovery go to Step 3 If automatic vacuum recycling is in process press HOLD CONT to interrupt the cycle then press SHIFT RESET If manual recycling is in p
56. y Recycling Recharging Unit for R 12 and R 134a IMPORTANT Be sure the refrigerant flow arrow on the new filter drier points to the left as shown in the drawing gt gt C MINUTES LI E C 35 Maintenance Instructions CHANGING THE VACUUM PUMP OIL For maximum vacuum pump performance change the vacuum pump oil when the OIL message flashes on the display after the pump has run for 10 or more hours without an oil change cee VACUUM 1 Turn on the MAIN POWER switch The display shows the MINUTES selected refrigerant type ENT IUU 2 Press SHIFT RESET and the messages PROGRAM VACUUM MINUTES 15 00 display _ Y 3 Press VACUUM The display shows the OIL message mo 4 Press SHIFT RESET and ENTER at the same time to reset the 10 E tL hour timer 5 Press VACUUM again and let the vacuum pump run for 5 minutes 6 Atthe end of 5 minutes press HOLD nn j OJU 7 Remove the access door from the front of the unit TT 8 Remove the black plastic plug on the oil fill port I Tu p Tm Vf us j Oil Fill Port HO a WA VUE ge Glass NA Oil Fill Line a Oil Drain Cap NSTOO6 Diagram of Vacuum Pump Components 36 O 1998 Robinair SPX Corporation Maintenance Instructions 9 10 11 13 13 14 15 Remove the oil drain cap from the vacuum
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