Operating Manual - Nytech Supply Co
Contents
1. ROBINAIR Operating Manual Series Series 34700 34701 34704 17700A 17701A for R 134a for R 12 Recovery Recycling Recharging Unit LISTED Recycling Equipment Design ROBIN AIR Series 17700A 17701A Certified by Underwriters Laboratories Inc for and 34700 34701 34704 Compliance with SAE J2210 Refrigerant Recovery Refrigerants R 12 17700A 17701A 1991 for HFC 134a and Recycling and Recharging Station SAE J1991 1989 for CFC 12 or R 134a 34700 34701 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 TO REDUCE TH E RISK OF FI RE avoid the use of an extension cord because the extension cord may overheat However if you must use an extension cord use No2. 3018 anid 31du d 31du d NOTI3A qION31OS 3984Nd yIV 0 o qQION31OS WO NYNLAY MOTISA OCG OCS O j Cs MOTISA MOTISA aso val 37148 dove LM 30718 SOON SPX Corporation 1998 Robinair 42 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 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 also 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 Robinair must be obtained prior to shipping to either an authorized service center or the factory 5 Warranty service claims are subject to factory inspection for product defect s 6 Robinair shall not be responsible for any additional costs associated with a product failure including but not limited t
3. 4 The unit displays CPL when evacuation is complete L P L 5 Add oil to the A C system using the oil injector SUE 6 Press SHIFT RESET to move to the recharging function RECHARGING Follow the manufacturer s recommendation for charging 1 Be sure the appropriate manifold valves are open 2 Be sure both tank valves are open 3 Enter the refrigerant charge by weight in hundredths of a pound kilogram 4 Press ENTER 5 Press CHG 6 The display counts down to 0 then shows CPL when complete 7 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 8 Turn off the engine nE 9 Disconnect the high side hose close the 34700 34701 34704 coupler valves first and start the vehicle Open both manifold valves to pull refrigerant from the hoses 10 At the lowest recommended operating pressure close the low side valve and turn off the vehicle On the 34700 34701 34704 close the low side valve and disconnect the low side hose On the 17700A 17701A disconnect the low side hose and remove the adapters 11 Close both manifold valves and turn off the MAIN POWER switch a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 1 gt Operating Instructions OPERATING TIPS Follow the SAE J1991 recommended service procedure for the containment of R 12 and the SAE J2210 recommended service procedure for the c
4. Run the pump for a minimum of five minutes then press 1 to stop the pump 12 Press SHIFT RESET again to return to the regular display mode 13 Close the vapor valve on the tank 14 Disconnect blue low side hose from the vapor port on the tank Remove adapter and replace on the oil drain for storage Connect the RED hose to the vapor valve on the tank ADDING REFRIGERANT TO THE TANK IN ST0466 SHIFT RESET EN TER Valve Open Valve Closed Diagram of Control Panel Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Set Up Instructions Set Up Instructions e IM PORTANT The 96 244 cm red high side hose and the 96 244 cm blue low side hose are not used when adding refrigerant to the tank IM PORTANT On the 17700A 17701A Series be sure to connectthe 6 15 2 cm yellow adapter to the source tank BEFORE step 2 hd WARNING YW 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 another refrigerant system failure will result Read and follow all warnings given atthe beginning of this manual On the 34700 34701 be sure to only purchase tanks of R 134a refrigerant that use 1 2 1 2 cm Acme threads 1 Close the blue LIQUID valve on the unit tank and disconnect the 36 91 cm blue liquid hose from the valve 2 17700A I7701A Series Connect the 6 15
5. 14 AWG at the minimum and as short as possible Do not use this equipment in the vicinity of spilled or open containers of gasoline or other flammable substances 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 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 only with R 12 17700A 17701A or R 134a 34700 34701 This equipment is not designed for any other purpose than recovering recycling or recharging refrigerants Do not mix refrigerant types ATTENTION Ce reservoir sous pression contient du frigorigene liquide S il est surcharg ce reservoir 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 a 14 AWG de facon a viter la surchauffe du cordon ATTENTION Utiliser seulement du frigorigene R 12 17700A 17701A ou R 134a 34700 34701 OPERATING NOTES At temperatures exceeding 120 F 49 C wait 10 minutes between recovery jobs R 134a WARNINGS
6. 28 pounds 13 kilograms and about 8 pounds four kilograms of refrigerant is required to assure a complete A C system charge If the amount displayed is less than 36 pounds 16 srr kilograms add new refrigerant to the tank following the instructions in IMPORTANT ADDING REFRIGERANT TO THE TANK Do not place any weight including your hands and feet on the tank or scale during the refrigerant transfer process 2 Any weight disturbance will 3 Enter the amount of refrigerant required to recharge the system by pressing the ca use an appropriate number keys The charge must be entered in hundredths of a incorrecttransfer pound or kilogram the same way the nameplate on the vehicle s A C system specifies the charge When you turn on the unit you can enter the amount of refrigerant to be charged The unit stores this value in memory until you turn it off or program a different amount 1 Open the appropriate manifold valve s on the control panel Be sure both valves on the tank are open a 4 Press ENTER 5 Press CHG to begin the charging process The digital display shows the AUTOMATIC message and the weight of refrigerant you ve programmed a for recharge The charging solenoid opens to transfer refrigerant the display counts down to zero and the CPL message displays when charging is lete i g comp 6 Close the mantfold valve s PY aol SE 2 4 1998 Robinair S
7. If the message U HI appears you have 25 psi or greater of pressure at the inlet You must recover that pressure to continue If necessary press RECOVER The digital display counts down the remaining evacuation time in minutes and seconds Recycling begins automatically five 5 seconds after the vacuum pump starts and the RECYCLE message illuminates to indicate the unit is recycling refrigerant Non condensible 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 CCPL message to indicate that evacuation is complete 7 Pressing SHIFT RESET at this point moves you to the charging process a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units IMPORTANT You should evacuate for at least 15 minutes for adequate moisture and contaminant removal IMPORTANT If the vacuum pump has run for 10 or more hours without an oil change the message O IL flashes on the display Change the pump oil following the procedures in the MAINTENANCE INSTRUCTIONS 21 Operating Instructions 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 SHI
8. P1 POT Potentiometer until the display just indicates HOLD 6 Remove one pound from the scale and the HOLD segment should go off Press SHIFT RESET to return to normal operations Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 29 Maintenance Instructions UL CIRUIT CALIBRATION continued NOTE Certified weights can be added to check positive response and then removed to check negative response 7 Reassemble oil bottle and shoud back on the unit 8 While the circuit calibration 1s now finished the scale must still be calibrated to complete the calibrating procedure The P 1 POT Potentiometer is located below the keypad at the front of the circuit board NOTE This entire procedure must be completed to update the scale calibration memory of the unit turning off the power at any time dureing the procedure returns the unit to the previous calibration values and the procedure must be started again from the beginning a saEr E 3 0 1998 Robinair SPX Corporation Maintenance Instructions REPLACING THE FILTER DRIER The filter drier on this unit is designed to trap acid and particulates and 1s formulated to remove water from the refrigerant You must change the filter drier to assure adequate moisture and contaminant removal Typically you can recycle up to 300 pounds 136 kilograms of R 134a or 600 pounds 272 kilograms of R 12 between filter changes To help you know when you ve
9. Press 4 Automatic charge after the vacuum cycle The display will show AUTOMATIC VACUUM and either 00 or 11 00 indicates a disabled auto charge and 11 indicates an enabled auto charge Press ENTER to shift between enabled and disabled auto charge Press SHIFT RESET to lock in mode choice to memory Press 5 All display segments light up Press 5 again to turn off Press 6 Displays the approximate weight on the scale See CHECKING THE SCALE ACCURACY for diagnostic procedures Press 7 Displays the weight of refrigerant contained in the tank 3 Press SHIFT RESET to return to the PROGRAM mode a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 3 gt Troubleshooting Tips 36 RECOVERY OPERATION Compressor does not start or stops prematurely Problem Power cord not plugged in or no power at plug Solution Check circuit for power Problem MAIN POWER switch is off Solution Turn on switch Problem FULL message on digital display Solution Change tanks See INSTALLING THE TANK Problem HI P message on digital display Solution Be sure tank valves are open and hoses are properly connected to the tank or Check the scale calibration See CHECKING THE SCALE ACCURACY Problem CH F message on digital display Solution Remove and replace the filter drier See REPLACING THE FILTER DRIER and be sure to pull a vacuum Problem Faulty components Solution Call servic
10. Ut 4 Prepare the Vac uni PUMP osuna et dicta la lince dico edad 5 Installing the Tank and Pulling a Vacuum 6 Addie Retiserant to the Talks dd leales sed Operatino Guidelines st da clic 10 sine The Control Panta id 10 Key ad Euncions ua N 11 Usme the Dista Display dr 11 Operatino ONE vie Wa died 14 Oper atime list iOS naa aa ori 16 Operas Di tooo ees reer geo re 16 Recover e A A 17 Evacuate the AC Sy senoidal 21 Replemishine AC Sy stem Ollanta leo aio eii dois 23 Rechareing He A C System cti lili 24 Correcting an Incomplete Charge 26 Maintenance Mstrucuons siii ici 2 Checking the Scale Accuracy siciliana ciel lid 21 Calbratino Me Scal Cr a oi 28 Calbratino the UL C CU ese a TEE 29 Replacins Me Fiter Diei rereset opsiin nnne E e a E AT a eS 31 Chaneme the Vactu Pump Ol u uu uu lacra di 33 Silo DE TO PO k ACA E A O POE O O reer rere es 34 Troubleshootne TS a A E skay aqa 35 Usine Manual DiagnostiS lt A ARA A 35 RECOVERY OPETAU ON sia oi fata SI Weta aa busana a askush 36 Recharaine OPTOMA O dave test donde E 37 Error Messase CO eu uu u uuu aid 38 Replacement Parts Last ui i ee qukuq 40 Flow DA ca 41 Wirin Dia ii 42 ini DAT h E 2 uuu n sS u unu ua aP Sua E nn ss 43 U S Patents 4 523 897 4 688 388 Re 33 212 4 768 347 4 805 416 4 809 520 4 878 356 4 938 031 5 005 369 5 005 375 5 038 57
11. completely E rt e The compressor shuts off and the digital display shows the message FULL Change the tank The A C system is now empty Make any repairs at this time C E 2 1998 Robinair SPX Corporation Operating Instructions EVACUATING THE A C SYSTEM W WARNING Y 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 1 With the 96 244 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 until the display shows that the unit is in the VACUUM mode 4 For your convenience a default vacuum time is preprogrammed to appear on the digital display at start up If the default time is correct proceed to Step 5 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
12. it within ten days from 65 041 date of purchase 7 0 0 44 ae ae e NATIONWIDE NETWORK OF AUTHORIZED SERVICE 8 5 0 53 CENTERS 9 0 0 56 If your unit needs repairs or replacement parts you should ae He contact the service center in your area For help in locating a 105 0 69 service center call the toll free technical support line 11 0 0 69 Ji5 0 72 bp ae Due to ongoing product improvements j we reserve the right to change design 13 0 0 81 specifications and materials without notice 135 0 84 140 0 88 145 0 91 This equipment is designed to meet all applicable agency certifications 15 0 094 including Underwriter s Laboratories Inc SAE Standards and CUL wo 11 Proper maintenance of this equipment will provide accurate A C service 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 419 485 5561 Fax 419 485 8300 120049 Rev 11 98 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Printed In USA Table of Contents ble of Contents NtOdUCHO Munro 2 Glossa yor Toi uu y a aa 2 Set UD piliisitu HONS ear 3 Selecting a Measurement
13. s MAIN POWER switch 7 Press SHIFT RESET and ENTER at the same time to access the manual diagnostic mode 8 Press 1 to start the pump a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units gt Set Up Instructions IMPORTANT Be sure the pump is run ning when adding oil 9 While the pump is running add enough vacuum pump oil so that the oil level is even with the line on the reservoir s sight glass 10 Press 1 or SHIFT RESET to stop the pump 11 Replace the black plastic plug on the oil fill port 12 Replace the access door on the front of the unit See Maintenance Instructions for step by step procedures for changing the vacuum pump oil INSTALLING THE TANK AND PULLING A VACUUM y WARNING y 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 CAUTION 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 another refrigerant system failure will result 1 A new tank comes with a dry nitrogen charge of 10 to 15 psi to keep it clean and dry during shipment Purge its nitrogen charge by opening either valve on the tank Vent the pressure to the atmosphere then close the valve 2 Place the unit tank on the scale platform on the back of the un
14. 1 Turn off the MAIN POWER switch and disconnect the power cord from the reimburse for lost ou refrigerant 2 Remove the shroud by removing the threaded screws at the back of the unit 3 Use a leak detector to probe all fitting connections for refrigerant leaks Tighten fittings if a leak is indicated 4 Replace the shroud Is 3 4 1998 Robinair SPX Corporation Troubleshooting Tips USING MANUAL DIAGNOSTICS W WARNING Y Be sure to discharge any system pressure before performing any manual diagnostics This unit s manual diagnostics mode is easily accessible through the keypad 1 Press SHIFT RESET and ENTER at the same time The display should be blank except for the decimal point 2 Press the following keys to perform these functions Press 1 Starts the vacuum pump to begin evacuation Press 1 again or SHIFT RESET to turn off the pump 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 and again to resume operation Press 3 Displays the total amount of refrigerant recovered Each time recovery 1s completed that amount is added to the existing total To clear the internal counter press SHIFT RESET and ENTER at the same time while the total is being displayed The maximum amount recorded is 9 999 pounds or 99 kilograms of refrigerant
15. 2 cm yellow adapter to the source tank Attach the 36 91 cm blue LIQUID hose to the yellow adapter 34700 34701 Series Connect the 36 91 cm blue LIQUID hose 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 as shown in the drawing 3 Open the blue LIQUID valve on the source tank There is only one valve on a non refillable tank If you are using a non refillable tank follow the instructions on the side of the tank to obtain a liquid supply 36 Blue Liquid Hose Refrigerant Source Tank 36 Yellow Air Purge Hose 36 Red Vapor Hose Unit Tank INST0468 Diagram of Disposable Tank Connections When Adding Refrigerant 1998 Robinair SPX Corporation Set Up Instructions O Set Ue instructions CAUTION Do not use the blue low side hose The blue LIQUID hose is the blue hose attached to the tank s LIQUID valve 4 Open the red GAS vapor valve on the unit tank 5 Press SHIFT RESET and ENTER at the same time to access the diagnostic mode 6 Press 2 to begin transferring refrigerant The display shows the ADD message for about two seconds then shows the amount of refrigerant transferred 7 Transfer stops automatically and the display shows the CPL message when the source tank is empty and has been pulled to 13 in Hg or the weight of refrigerant in the unit tank reaches 36 pounds 16 kilogra
16. 428 Pump Protection Switch RA19429 RA19429 RA19429 RA19429 Automatic Expansion Valve RA19430 RA19430 RA19430 RA19430 Oil Drain Valve RA19291 RA 19291 RA19291 RA 19291 O il Catch Bottle RA17419 RA17419 RA17419 RA17419 Scale Assembly RA 19469 RA 19469 RA 19469 RA 19469 Main Circuit Board RA 19432 RA 19432 RA 19432 RA 19432 High Side Gauge RA 19393 RA 19393 RA 19393 RA 19393 Low Side Gauge RA 19392 RA 19392 RA 19392 RA 19392 Low Side Coupler N A N A 18190A 18190A High Side Coupler N A N A 18191A 18191A Vinyl Dust Cover 17495 17495 17495 17495 Automatic Air Purge RA 19433 RA 19433 RA 19433 RA 19433 Relays RA 17459 RA17459 RA17459 RA 17459 Transformer N A RA19091 N A RA19091 Sound Alert RA 19066 RA 19066 RA 19066 RA 19066 W heels and Speed N ut 10751 10751 10751 10751 Solenoid Rebuild Kit RA19258 RA19258 RA 19258 RA 19258 1998 Robinair SPX Corporation Flow Diagram BERNE 168 Z68801 PRN 7 rR ea a a ae i LA O UCI esea i i m Li i PUYU TU in ween gigs 71 i rf i e cas ui sasa X L iL wasa i i ia mi ES r i x i i ee eee _ ri prin IRL a i Sy SO 7 i i i 8 rae a A i 3 ene Oren ss ee a a iy RO CAR 7 DOUE ION a ee O IE lt lt 7 A W EI A gl x ue x 9 BANA No S l anpi COME i i x ate x Ki x ru ug KF i Kin gang i INST0481 AA I 1 Low Side Manifold Gauge 8 Upper Block 2 High Side Manifold Gauge 9 Compressor 3 Low Side Manifold Valve 10 Air Purge Contro
17. 8 5 042 271 5 209 653 5 248 125 Australian Patent 613 058 Canadian Patents 1 311 621 1 311 622 2 012 620 2 026 348 European Patent 0 315 296 BI German Patent 031296 Mexican Patent 16208 OTHERU S ANDFOREIGN PATENTS PEN DING M fd by Robinair SPX Corporation Montpelier OH 43543 See Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 1 Introduction This manual contains important safety procedures concerning the operation use and maintenance of this product Failure to follow the instructions contained in this manual may result in serious injury If you are unable to understand any of the contents of this manual please bring it to the attention of your supervisor Do not operate this equipment unless you have read and understood the contents of this manual The Series 17700A 17701A is used for R 12 vehicles and the Series 34700 34701 34704 is used for R 134a vehicles Both units operate the same and have the same features These units are UL listed as single pass systems and meet the SAE specifications for recycled refrigerant They re also designed to be compatible with existing service equipment and standard service procedures These units are simple to operate and have many user friendly features a hose holder rack for the manifold hoses e large diameter wheels that make it easy to move the unit e a plastic shroud that is resistant to abrasions and chemicals To validate your warranty complete the warran
18. FT 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 1 or SHIFT RESET to cancel Option C You can automatically charge refrigerant after the vacuum cycle 1 Press SHIFT RESET and ENTER at the same time The display will be blank 2 Press 4 the display will show AUTOMATIC VACUUM and either 00 or 11 OO indicates a disabled auto charge and 11 indicates an enabled auto charge 3 Press ENTER to shift between enabled and disabled auto charge Press SHIFT RESET to lock in mode choice to memory SHIFT RESET ENTER VACUUM INST0483 Diagram of Control Panel a saEr E 2 2 1998 Robinair SPX Corporation Operating Instructions REPLENISHING A C SYSTEM OIL Before charging the A C system you must replenish any oil removed from the A C system during the recovery process 1 Select 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 bottle s oil level is at 4 ounces and you need only Y an ounce of oil to replenish the A C system place the O ring at the 3 ounce level 3 Install the bottle on the oil injection sys
19. PX Corporation Operating Instructions CAUTION Be sure both manifold valves are closed before starting the A C system Y warning Y 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 7 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 8 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 9 Turn off the vehicle s engine On the 17700A 17701A Series 10 Disconnect the 96 244 cm red high side hose from the high side adapter 11 Disconnect the 96 244 cm blue low side hose from the low side adapter 12 Remove the adapters from the vehicle s A C system by pushing down on the coupler while unscrewing the fitting On the 34700 34701 34704 Series 10 Close the high side coupler valve then disconnect the 96 244 cm red high side hose from the A C system 11 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 12 When both gauges show the lowest operating pressure recommended by the manufacturer close the low side valve and turn off th
20. T and ENTER at the same time to reset the 10 hour timer ri 4 Press VACUUM again and let the vacuum pump run for 5 minutes LJ NOTE If the display indicates OIL press SHIFT RESET and ENTER at the same time to reset the 10 hour timer 5 At the end of 5 minutes press HOLD 6 Remove the access door from the front of the unit 7 Remove the black plastic plug on the oil fill port 8 Remove the oil drain cap from the vacuum pump then drain the contaminated oil into a suitable container and dispose of it properly 9 Replace the oil drain cap 10 Attach the flexible tube and cap to the oil bottle and pour 5 ounces of vacuum pump oil into the oil fill port 11 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 12 Replace the black plastic plug on the oil fill port 13 Replace the access door on the front of the unit 14 Press VACUUM to continue or turn the MAIN POWER switch to OFF EEE Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 3 3 Maintenance Instructions Diagram of Vacuum Pump Oil Filler Tube Pump Exhaust Oil Fill Port Sight Glass Oil Drain Fitting Inlet O U A WN FP INST0006 IMPORTANT CHECKING FOR LEAKS Inspect the unit periodically for Every three months or as specified by local or state laws you should check your leaks The unit for leaks Hoban oe
21. TER at the same time The display will be blank 2 Press 0 The display will indicate the current unit of measure 3 Pressing ENTER will alternate between LBS and KG When the desired unit appears press SHIFT RESET a saEr E 4 1998 Robinair SPX Corporation Set Up Instructions IMPORTANT For maximum performance be sure to change the vacuum pump oil frequently PREPARING THE VACUUM PUMP The VacuMaster vacuum pump is shipped without oil in the reservoir Before starting the unit you must fill the pump with oil Two 16 ounce 472 milliliter bottles of oil are included with your unit Diagram of Vacuum Pump Components O il Filler Tube Pump Exhaust O il Fill Port Sight Glass O il Drain Fitting Inlet OY UO W N FP 1 Remove the access door from the front of the unit 2 Remove the black plastic plug on the oil fill port 3 Attach the flexible hose and cap to the oil bottle to make it easier to fill the pump 4 Pour approximately 13 ounces 384 milliliters of vacuum pump oil into the oil fill port until oil just appears in the bottom of the sight glass on the reservoir 5 Close both manifold valves on the control panel CAUTION Avoid the use of an extension cord because the extension cord may overheat However if you must use an extension cord use a No 14 AWG minimum and keep the cord as short as possible 6 Plug the unit into the proper voltage outlet and turn on the unit
22. Use the Series 34700 34701 only with R 134a 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 J2210 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 Additional health and safety information may be obtained from refrigerant and lubricant manufacturers CONVERSION TABLE Technical Support Line OZ LBS 800 822 5561 0 5 0 03 1 0 0 06 in the continental U S or Canada 15 0 09 2 0 0 13 o 25 0 16 In all other locations contact your local distributor To help 3 0 0 19 us serve you better please be prepared to provide the model 35 0 22 number serial number and date of purchase 4 0 0 25 4 5 0 28 9 0 0 31 To validate your warranty you must complete the warranty ee card attached to your unit and return
23. ctions at access fittings Check the manifold valve positions they should be open To continue press HOLD CONT The low side clearing routine is in progress This occurs when you press RECOVER and can last up to four minutes The unit is in the self clearing process The vacuum pump will run continuously Press SHIFT RESET to stop The specified cycle function recovery evacuation charging or adding refrigerant is complete The filter drier changeout is in progress The refrigerant recovery tank is full Replace the tank The discharge pressure is above 435 psi Check to be sure the unit tank s red valve is open The vacuum pump has run for 10 hours While the OIL message Is displayed press SHIFT RESET and ENTER atthe same time to reset the timer Then change the vacuum pump oil The scale is damaged disconnected out of calibration or overloaded it cannot exceed 80 pounds or 36 3 kilograms Calibrate the scale There is positive pressure on the vacuum pump Press SHIFT RESET and then RECOVER to remove the pressure then continue the evacuation procedure The maximum amount displayed during recovery is 99 pounds or 99 kilograms Press SHIFT RESET to clear the display 1998 Robinair SPX Corporation Replacement Parts List The following is a list of replacement parts and accessories you may need to service or maintain your unit The 50 pound 23 kilograms refillable refrigerant tank is the only tank
24. d a saEr E 2 O 1998 Robinair SPX Corporation Maintenance Instructions CALIBRATING UL CIRCUIT Yy WARNING Vv Unlplug the unit before beginning any service work Improper use or connections can cause electrical shock Only qualified personnel should perform service work If the scale assembly and UL circuit are not calibrated the scale can overfill the tank causing possible explosion and or vehicle overcharge Live AC voltages are present in the unit when the power is turned on use caution when making the adjustments below The scale on the 700 series units will only handle a SOlb tank The UL circuit is a tank overfill protection device The main board is programmed to display FULL at 73 lbs 33 11 kg the UL circuit is set as a back up fail safe to the programming Follow these steps to calibrate the circuit 1 Remove all weight from the scale platform Remove the shroud from the unit by removing 3 screws Also be sure to remove the oil bottle by loosening 2 Screws 2 Turn on the MAIN POWER switch NOTE Press 0 to enter the pound or kilogram selection mode Press ENTER to toggle between lb or kg Press SHIFT RESET and ENTER to accept the displayed setting and exit mode 3 Press SHIFT RESET and ENTER at the same time 4 Press 6 to display the absolute weight on the scale 5 Place exactly 76 lbs 01 lbs 34 5kg 005 kg on the scale and with a small screwdriver adjust the
25. e RECOVER Activates the recovery sequence SHIFT RESET Activates shifted positions of keys on Z 2 cuum the keypad and resets the program mode FILTER Automatically recovers and evacuates to 17 in eon DE ENTER Hg from the filter and low side of the unit IN ST0019 e CHG Automatically charges the A C system with the i Di Keypad programmed amount of refrigerant iagramof Keyp HO LD CON T Interrupts the automatic cycle HOLD then resumes functions CONT Press once for HOLD and again for CONT continue e VACUUM Activates the vacuum and automatic recycling sequence ENTER Enters programmed data into the unit s memory USING THE DIGITAL DISPLAY This section explains the messages shown on the digital display which is illustrated here for your convenience PROGRAM HOLD AUTOMATIC JENE yy H H H INST RR20 Diagram of Digital Display 11 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Operating Guidelines Segment A Indicates in which mode the unit is operating PROGRAM The unit is in the programming 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 comple
26. e center Runs a short time but does not complete recovery Problem Tank valves closed Solution Open both valves and be sure hoses are properly connected to the tank Problem Manifold valves closed Solution Open both valves Problem Faulty components Solution Call service center Runs but won t shut off Problem Oil drain valve open Solution Close the valve Problem Leak in vehicle system Solution Locate and repair all system leaks Problem Hoses are not properly connected to the vehicle Solution Check hose connections Problem Faulty components Solution Call service center a saEr E 1998 Robinair SPX Corporation 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 Transter stopped or too slow Solution 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 Problem Refrigerant supply empty Solution Add refrigerant to the tank Problem Blue LIQUID tank valve closed Solution Open the blue LIQUID tank valve Refrigerant does not flow Problem Refrigerant supply empty Solution Add refrigerant to the tank Problem Flow restriction Sol
27. e port blue to low side port 17700A 17701A Series Connect the red and yellow adapters to the vehicle ports first then connect hoses 34700 34701 Series Open the quick coupler valves after they are connected 2 Check the manifold gauges There must be pressure to recover refrigerant 3 Open both manifold valves 4 Open both tank valves 5 Plug in the electric cord then turn on the MAIN POWER switch 6 Press RECOVER e Unit will clear itself of refrigerant and automatically start recovery Unit is in RECOVER mode of the AUTOMATIC cycle The weight of refrigerant is displayed as it is recovered Unit automatically shuts off and recovery is complete e Unit displays approximate amount recovered HE r 7 Wait five 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 b dl repeat until pressure holds for two 2 minutes TI 8 Drain the oil separator and measure and record the amount of oil drained it L LC must be replaced with new oil during charging Oz oc a saEr E 1 4 1998 Robinair SPX Corporation B EVACUATION 1 Both manifold valves and both tank valves should still be open 2 Press SHIFT RESET until the message PROGRAM VACUUM MINUTES appears on the display 3 Press VACUUM The display counts down the vacuum time Recycling begins automatically while the system is evacuated
28. e vehicle s engine On Both Series 13 Close the low side coupler valve and disconnect the 96 244 cm blue low side hose from the A C system 14 Close both manifold valves and turn off the MAIN POWER switch a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units nn LIL CHECK REFRIGERANT IMPORTANT If the message ADD appears there is not sufficient refrigerantin the tank Follow the instructions in ADDING REFRIGERANT TO THE TANK IMPORTANT For maximum charging accuracy you must clear the hoses of all refrigerant 25 Operating Instructions CORRECTING AN INCOM PLETE 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 1 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 e Close the high side valve on the control panel Open the low side valve on the control panel Start the A C system and press HOLD CONT The remaining charge is pulled into the system and the display shows the CPL message 2 The transfer will not complete and the display shows the CHECK REFRIGERANT message because there is not enough ref
29. form The empty platform weight displayed should be zero 2 pounds or 1 kilogram e If the displayed weight is not within these limits the CHECK REFRIGERANT message will also display Call the manufacturer e If the display does not show the correct weight with 1 lb see Calibrating the Scale section 4 Tf the calibration is correct press SHIFT RESET to exit INST0474 Diagram of Control Panel 27 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Maintenance Instructions CALIBRATING THE SCALE IMPORTANT You must have a known exact weight of 40 Ibs 01 18 14 kg 005 1 Remove all weight from the scale platform 2 Turn on the MAIN POWER switch 3 Press SHIFT RESET and ENTER at the same time 4 Press 8 7 8 7 The display will show A 1 NOTE If you press any other key before the 8 7 8 7 sequence you will not be able to enter the automatic calibration routine 5 Press 0 and then ENTER The display will show 0 00 and then change to the A 2 message 6 Place a known exact weight of 10 60 Ibs on the center of the platform Enter that weight on the display using the keypad then press ENTER The display will return to the vacuum mode 7 Check the scale accuracy by pressing SHIFT RESET and ENTER and the same time When the diagnostics mode is entered the display is blank press 6 The display shows the amount of weight on the scale platform and 0 00 when it is remove
30. gerant system failure will result Read and follow all warnings atthe beginning of this manual before operating the unit Before beginning recovery be sure your unit is set up as shown Also be sure there is refrigerant in the tank and vacuum pump oil in the vacuum pump See Set Up Instructions Diagram of Hose Connections 1 Oil Injector 2 Quick Couplers 34700 34701 Series 3 Blue Liquid Hose 4 Red Vapor Hose 5 Yellow Air Purge Hose N ote High and low side hoses on the 34700 34701 Series with Q uick Couplers are shown The 17700A 17701A Series have SAE fittings INST0470 1 7 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Operating Instructions 1 Connect the hoses to the vehicle as follows IMPORTANT Run the A C 17700A 17701A Series system for a few eka mi utes before Attach the proper adapters to the low side and high side fittings on the vehicle starting the An adapter package comes with each unit recovery process Tests show more refrigerantis recovered if this action is taken Turn the system off before 34700 34701 34704 Series proceeding Connect the unit s 96 244 cm red high side hose to the adapter attached to the vehicles high side fitting Connect the unit s 96 244 cm blue low side hose to the adapter attached to the vehicle s low side fitting e Connect the unit s 96 244 cm red high side hose with
31. it Securely tighten the thumbscrew on the platform to hold the tank in place Attach the clip of the tank strap to the tank handle 3 Connect the Quick Seal end of the yellow hose to the air purge port on the tank Connect the open end of the yellow hose to the port on the unit marked YELLOW 4 34700 3470134704 Series Attach the 16301 adapter located on the oil drain to the vapor valve of the tank Attach the blue low side hose to the adapter Open the coupler on the low side hose 17700A 17701A Series Attach the blue low side hose to the vapor valve of the tank 5 Connect the open end of the 36 91 cm red vapor hose to the RED port on the back of the unit 1998 Robinair SPX Corporation Set Up Instructions 6 Connect the Quick Seal end of the 36 91 cm blue liquid hose to the blue LIQUID valve on the tank Attach the other end of the hose to the BLUE port on the back of the unit 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 Before adding refrigerant you must pull a vacuum on both the unit and the tank for five minutes to remove any air 7 Open both valves on the tank 8 Open the low side manifold valve on the control panel 9 Press SHIFT RESET and ENTER at the same time 10 Press 1 The vacuum pump starts and runs continuously until you press any other key 11
32. l 4 High Side Coupler 11 Lower Block 34700 34701 only 12 Return O il Separator 5 Oil Injector Check Valve 13 Accumulator 6 Vacuum Pump 14 Filter Drier 7 Expansion Valve AE a eee ee aay ee 41 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units PPOQLS NI GION310S LYATIWNOS 710 NYNLSY YOLIOVdVD is ma Move SAV14uY OML NO 8 89 STVNIN43 L NOILOANNOO ON N3349 v AW144 2 dNNd NANIVA L o 3 5 g LATLNO dNNd NANIVA TAA ada aD Wi OSSIYANOD Go r oo Eo OLOALOYd OWYAHL Av134 OSSAYdNO L LNO LNO 3y4NSSIYA HSIH LNO LND 3yYNSSI4A MO LNO LND NOILOALOWd WNANOVWA ALIHM NMOY8 4 3 A gt Lu ux NMOY8 39NVHdO 39NVHO dau dau J Nit C U D D iring W ALIHM ALIHM 1918 J d3MOd NIV 14d LHM NVA dIONTIOS AYAAOOAY 1918 dIONTIOS 3191938 qQION31OS ASYVHO L QION31OS WNANIVA t c GIONS 10S WNANIVA f l m Y asd 3 ONO SOS SSOSS 034 034 NMOYg NMOY8 A3d9 A3d9
33. ms This process takes about 30 minutes You can interrupt it at any time by pressing HOLD CONT once To resume the ADD procedure press HOLD CONT again The transfer of new refrigerant is limited by weight to leave space about 10 pounds or 4 5 kilograms of refrigerant in the unit tank for recovery purposes 8 On the 17700A 17701A Series close the supply valve on the source tank and carefully disconnect the 36 91 cm blue liquid hose from the 6 15 2 cm yellow adapter if used Then remove the 6 15 2 cm yellow adapter from the source tank On the 34700 34701 Series if you re using a disposable tank turn it right side up Close its valve and carefully disconnect the 36 91 cm blue liquid hose 9 Reconnect the 36 91 cm blue liquid hose from the back of the unit to the blue LIQUID valve on the unit tank then open that tank s blue LIQUID valve Any non condensible gases in the tank will be removed during the recycling sequence The unit is ready for use TS EE AAA AAA O Series 17700A 17701A 34700 34701 34704 Enviro Charge Units IMPORTANT On the 34700 34701 Series source tanks of R 134a must havea Y ACME thread to match the hose fitting MA Wu CHECK REFRIGERANT Example weight 41115 Enter the correctweightfor your application IMPORTANT Be sure to close both tank valves when the unitis notin use Inspect the unit periodically for leaks The man
34. ng refrigerant from the A C system and shows the amount of refrigerant recovered in pounds or kilograms depending on the measurement mode selected OIL OUNCES or OIL GRAMS e Lights up as a reminder to drain the oil separator after each job Use this chart as a quick reference for interpreting Segment B messages VACUUM PROGRAM Program unit for vacuum VACUUM AUTOMATIC 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 HOLD Interrupted charging cycle RECOVER AUTOMATIC Unit is recovering refrigerant Quick Reference Chart for Segment B 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 and their descriptions Segment D Indicates that refrigerant is low approximately six pounds or 2 7 kilograms of refrigerant is left in the tank Either replace the tank or add refrigerant following the instructions in ADDING REFRIGERANT TO THE TANK a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 1 3 qo gt This overview is designed as a quick reference when using your Enviro Charge unit Read and follow all warnings in the manual RECOVERY 1 Connect hoses to vehicle red to high sid
35. o 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 Robinair recovery recycling equipment with unauthorized refrigerants will void our warranty Authorized refrigerants are listed on the equipment or are available through our Technical Service Department This Limited Warranty does not apply If e The product or product part is broken by accident e The product is misused tampered with or modified e The product is used for recovering or recycling any substance other than the specified refrigerant type Note Refillable refrigerant tanks are reusable Do not return them to the factory unless the tank is defective a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 4 3
36. o Charge Units 3 1 Maintenance Instructions 6 When all of the refrigerant has been recovered remove the filter drier by unscrewing it from the manifold block Dispose of the used filter drier properly Filter Drier 7 Remove the cap from the filter drier then install the new filter drier Tighten to 120 in lbs 8 Press HOLD CONT The vacuum pump starts automatically and runs for five minutes before shutting off The messages on the digital display IN STO479 change to FIL and VACUUM 9 After the vacuum pump shuts off close the oil drain valve Remove the low side hose from the oil drain port and reinstall the oil drain bottle NOTE 34700 34701 34704 Series units use special fittings at the ends of the charging hoses 17700A 17701A Series units use standard 4 SAE flare fittings Diagram of Oil Injection System Oil Drain Port Oil Drain Valve Low Side Hose Valve 34700 34701 34704 SeriesO nly a saEr E 3 2 1998 Robinair SPX Corporation 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 the vacuum pump has run for more than 10 hours or more without an oil change 1 Turn on the MAIN POWER switch The display shows the messages PROGRAM VACUUM MINUTES 15 00 2 Press VACUUM The display shows the OIL message 3 Press SHIFT RESE
37. ontainment of R 134a The recovery compressor 1s not 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 This unit is designed to be used with the manifold gauge set built into the control panel It includes a 6 cfm 142 I 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 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 manuals for oil specifications 16 y _ A 1998 Robinair SPX Corporation Operating Instructions RECOVERING REFRIGERANT Y WARNING Y Some R 12 automotive fuel systems use a 1 4 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 attempt to adapt your unit for another refri
38. pt recovery from an empty system Do not press HOLD CONT to continue the recovery process unless you know the A C system contains refrigerant 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 at approximately 13 in Hg The display shows the CPL message and then alternately flashes the weight of refrigerant recovered and the OIL OUNCES OIL GRAMS 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 CONT Repeat as needed until the system pressure holds for 2 minutes 1131 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Operating Instructions CAUTION Drain the oil separator after each recovery The display will indicate OIL O UN CES or O IL GRAMS as a reminder 9 Be sure 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 close the valve and record the amount of oil in the bottle Diagram of Oil Drain Valve and Bottle 1 Oil Drain Valve 2 Oil Catch Bottle INST0473 If the recovery tank fills
39. reached that point the unit displays the CH F warning message prompting you to change the filter drier Once the CH F message displays you can e Bypass the filter replacement routine Press HOLD CONT and resume operation to complete a procedure before changing the filter drier CAUTION For best results use Robinair filter driers part no 34724 All performance tests and i INST0477 claims are based on using this specially blended filter drier Use of another may affect performance Diagram of results Filter Drier e Start the filter changeout routine 1 If they are open close both manifold valves 2 Open the oil drain valve and make certain all oil has been drained then close the valve Remove oil drain bottle and dispose of used oil in accordance with all local and state regulations 3 Connect the blue low side hose to the oil drain port Open the oil drain valve On 34700 34700 Series open the valve located at the end of the low side hose 4 Open the low side valve on the control panel 5 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 a a A Series 17700A 17701A 34700 34701 34704 Envir
40. rigerant 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 HOLD CONT to interrupt the cycle Press SHIFT RESET to reset the unit e Recover the refrigerant that was charged into the A C system following the instructions in RECOVERING REFRIGERANT e Add refrigerant to the tank following the instructions in ADDING REFRIGERANT TO THE TANK e Evacuate the A C system following the instructions in EVACUATING THE A C SYSTEM e Recharge the A C system The vehicle now has a complete charge HOLD CONT INST0477 SHIFT RESET Diagram of Charging Connections 26 1998 Robinair SPX Corporation Maintenance Instructions There are just a few routine maintenance procedures necessary to keep your unit operating properly CHECKING THE SCALE ACCURA CY To ensure continued charging accuracy check your scale using these procedures every thirty 30 days or 100 service jobs whichever comes first Also if the microprocessor senses that calibration has been lost the CAL message displays Follow this procedure to check the scale accuracy 1 While in the PROGRAM mode press SHIFT RESET and ENTER at the same time to enter the diagnostic mode and clear the digital display 2 Press 6 to display the approximate scale platform weight 3 Remove the tank from the scale plat
41. te 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 VACUUM With PROGRAM indicates that the unit is ready to be programmed 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 be programmed 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 or kilograms depending on the measurement mode selected 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 e 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 a saEr E 1 2 1998 Robinair SPX Corporation Operating Guidelines RECO VER With AUTOMATIC indicates the unit is recoveri
42. tem on the back of the unit 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 4 Open the high side manifold valve 5 Press the oil injection valve at the top of the bottle and watch the level of oil being drawn into the A C system 6 Release the valve when the required oil charge has been pulled into the system Diagram of Oil Injection System 1 Oil Injector Valve 2 Oillnjection Bottle INSTO475 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 23 Operating Instructions RECHARGING THE A C SYSTEM IMPORTANT You can charge oil through either Y WARNING W cea Always wear safety goggles when working with refrigerant Use only authorized refillable refrigerant tanks Disconnect hoses with extreme both depending caution on the vehicle manufacturer s All hoses may contain liquid refrigerant under pressure Read and follow all recommendation warnings atthe beginning of this manual before operating the unit Just open the appropriate CAUTION To be sure the unit tank has sufficient refrigerant for manifold valveor recharging press SHIFT RESET once to access the program mode then press valves SHIFT RESET and ENTER at the same time to enter the diagnostic mode Then press 6 The display must show 36 pounds 16 kilograms or more because the empty weight of the tank is
43. the Quick Coupler to the high side fitting of the A C system then open the coupler valve e Connect the unit s 96 244 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 Check the 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 properly 3 Be sure the oil drain valve is closed 4 Open both manifold valves on the control panel Manifold Gauges INST0471 Valves Open Diagram of Control Panel 18 1998 Robinair SPX Corporation Operating Instructions INSTO472 RECOVER Diagram of Control Panel 5 Open the GAS vapor valve and the LIQUID valve on the tank 6 Connect the power cord to the back of the unit and plug the cord into the proper voltage outlet Turn on the MAIN POWER switch 7 Press RECOVER Before recovery begins the unit clears itself of any refrigerant remaining in the various components You ll know this is occurring because the compressor will start and the CL L message will display This process takes up to 4 minutes to complete Once the clearing 1s complete the unit automatically begins to recover refrigerant from the system CAUTION If the A C system pressure is 25 psi or less the message CH P appears on the display to alert you notto attem
44. ty card attached to your unit and return it within ten days from date of purchase 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 2 T MT WO ns ssC wCw Fwrr 1998 Robinair SPX Corporation Set Up Instructions Diagram of Unit s Components External View High Side Hose Port Low Side Hose Port Liquid Port Vapor Port Air Purge Port Scale Platform 50 Ib 23 Kg Unit Tank Oil Injector Tank Strap OU OO N DMD OF WW N FP A INSTO462 Diagram of Units Components Internal View Relays Compressor Vacuum Pump Filter Manifold Block Air Purge Assembly Low Side Hose High Side Hose Hose Holders Quick Couplers 34700 34701 Only O wo onan wo BW N E INSTO463 Series 17700A 17701A 34700 34701 34704 Enviro Charge Units Set Up Instructions Low Side High Side Main Power Switch Low Side Valve High Side Valve INSTO464 Keypad SELECTING A MEASUREMENT UNIT The first step in setting up your unit is to select the unit of measure either pounds or kilograms to be used when operating the unit 1 Plug in the unit to the appropriate power outlet and turn ON Press SHIFT RESET and EN
45. ufacturer does not reimburse for lost refrigerant Operating Guidelines 10 USING THE CONTROL PANEL The control panel has various components that control specific operating functions MAIN POWER Switch Supplies electrical power to the control panel Beeper Emits an audible tone to alert you to unit operating functions The beeper 1s 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 Manifold Gauge Connects to an A C system and shows the system s low side pressure HIGH Side Manifold Gauge Connects to an A C system and shows the system s high side pressure 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 the unit INST0480 Diagram of Control Panel 1 Main Power Switch 5 High Side Valve 2 Display 6 Low Side Valve 3 Low Side Gauge 7 Keypad 4 High Side Gauge EE 1998 Robinair SPX Corporation Operating Guidelines KEYPAD FUNCTIONS In addition to the number keys the keypad pl FILTER contains special keys that accomplish specific 2 3 a eno El operating functions e RECYCLE Activates the recycling sequence 4 a Ss gt EEES CoNT
46. ution Check all connections on the A C system the 17700A 17701A should have adapters on both the low and high side fittings and the couplers on the 34700 34701 should be open 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 open or Be sure the A C system has had a minimum of 15 minutes of vacuum Vacuum pump runs but low side gauge does not register an appropriate vacuum Problem Pump oil contaminated Solution Flush and change the vacuum pump oil Problem Charging line loose Solution Check connections Problem Manifold leaking Solution Check connections Problem Low side valve closed Solution Open low side valve Problem s hose improperly connected to pump Solution Check connections nn a Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 3 7 Troubleshooting Tips ERROR MESSAGE CODES 30 ADD CAL CH F CH P CL L CLR CON CPL FIL FULL HI P OIL SCAL U HI 99LB There is less than six pounds 2 7 kilograms of refrigerant in the tank Add refrigerant to the tank The scale is out of calibration Calibrate the scale The unit has recovered 300 pounds of refrigerant Press SHIFT RESET and FILTER at the same time then replace the filter drier 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 restri
47. 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 recycling job that is in progress Premium High Vacuum Pump Oil is also available in handy quart containers or in convenient gallon containers Quart shipped 12 quarts per case 13203 Gallon shipped 4 gallons per case 13204 Because of ongoing product improvements we reserve the right to change design specifications and materials without notice a a A Series 17700A 17701A 34700 34701 34704 Enviro Charge Units 3 9 Replacement Parts List 40 Series Series Series Series 17700A 17701A 34700 34701 Component 115 Volt 220 Volt 115 Volt 220 Volt 50 lb 23 kg Tank 17506 17506 34750 34750 36 Red Hose 68336 68336 RA 19077 RA 19077 36 Blue Hose 68236 68236 RA 19079 RA 19079 36 Yellow Hose RA 19205 RA19205 RA 19078 RA19078 96 Red Hose RA 19438 RA 19438 RA 19434 RA 19434 96 Blue Hose RA 19439 RA 19439 RA 19435 RA 19435 Fan RA17416 RA17516 RA17416 RA17516 Filter Drier 34724 34724 34724 34724 Compressor RA 19458 RA19457 RA19458 RA19457 Vacuum Pump RA15525 RA15526 RA15525 RA15526 High Pressure Switch RA19427 RA19427 RA19427 RA19427 Main Power Switch RA40994 RA17135 RA40994 RA17135 Vacuum Switch RA19428 RA19428 RA19428 RA19
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