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INTRODUCTION  

Snap-on

®

 Model No. EEAC331 is ETL Laboratories approved, in compliance with SAE J2788.  We are dedicated to solving the issues 

surrounding the safe containment and proper management of refrigerants.  Your new machine incorporates the latest technology 
and state of the art features to aid you in servicing R134a air conditioning and refrigeration systems. We hope you get as much 
enjoyment using this equipment as we did designing and building it. 

 

M A N U E E A C . 3 3 1  

E D . 8  

 

 

EEAC331

 

R134a Refrigerant 

Recovery / Recycle / Recharge 

Station 

 

Summary of Contents for POLARTEK PLUS EEAC331

Page 1: ...nment and proper management of refrigerants Your new machine incorporates the latest technology and state of the art features to aid you in servicing R134a air conditioning and refrigeration systems We hope you get as much enjoyment using this equipment as we did designing and building it MANUEEAC 331 ED 8 EEAC331 R134a Refrigerant Recovery Recycle Recharge Station ...

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Page 3: ...E MACHINE 12 PLASTIC COVER 12 CONTROL PANEL 13 LIGHT SIGNALS 13 DISPLAY ICONS 13 BASIC COMPONENTS 14 ALARMS 15 ERROR MESSAGES 16 PRELIMINARY OPERATIONS 17 AUTOMATIC PROCEDURE 18 EDIT VACUUM DATA 18 AUTO OIL INJECTION 18 EDIT CHARGE AMOUNT DATA 18 EDIT CHARGE MODE 18 START AUTOMATIC PROCEDURE 18 MANUAL PROCEDURE 21 RECOVERY RECYCLING 21 VACUUM 22 PAG DYE INJECTION 24 EDIT PAG DATA 24 EDIT OIL2 DYE ...

Page 4: ... 4 VACUUM PUMP 38 FILLING THE PAG OIL CONTAINER 40 FILLING THE OIL2 DYE CONTAINER 41 EMPTYING THE USED OIL CONTAINER 42 REPLACING THE PRINTER PAPER 43 INFO 43 WARRANTY 44 NOTES 45 ...

Page 5: ...e safety instructions as well READ ALL SAFETY INFORMATION CAREFULLY before attempting to install operate or service this equipment Failure to comply with these instructions could result in personal injury and or property damage RETAIN THE FOLLOWING SAFETY INFORMATION FOR FUTURE REFERENCE Published standards on safety are available and are listed at the end of this section under ADDITIONAL SAFETY I...

Page 6: ...ings or loose clothing when working in an engine compartment Contactwithhotormovingpartscancauseinjury FUME HAZARDS Risk of fume gas and vapor hazards Avoid breathing A C refrigerant and lubricantvapor mist Always perform vehicle service in a properly ventilated area Never run an engine without proper ventilation foritsexhaust Fume gas and vapors can cause irritation to eyes nose andthroat cause i...

Page 7: ...ONEDABOVEISNOTALLOWED REFRIGERANT AND LUBRICANT PERSONAL PROTECTIVE EQUIPMENT AND PRECAUTIONS Risk of personal injury Handle refrigerants and pressure vessles with caution Wear safety glasses gloves and suitable clothing Avoid contactwith the skin Contact with refrigerant can cause health risks blindness andotherphysicaldamage frostbite Risk of equipment damage and personal injury Shouldbeoperated...

Page 8: ...rnational system of units SI and imperial system units IMP When finished press ENTER to exit The machine will reboot to update measure units PLATE NUMBER From the SETUP MENU select PLATE NUMBER the following screen is displayed Select ON to visualize insert plate screen during automatic or manual procedures or OFF to skip this screen R134a mm dd yyyy hh mm xxxxxxx AUTOMATIC MANUAL SERVICES SETUP M...

Page 9: ... the month then type 1 using the keypad select the day then type 21 using the keypad select the year then type 2015 using the keypad press ENTER to confirm and exit SETUP HEADER PRINT The printout can be personalized by entering 4 lines containing the workshop s details e g name address telephone number and e mail From the SETUP select SETUP HEADER PRINT Use the keypad to modify the 4 lines then p...

Page 10: ...ncluded in this manual especially the safety summary before attempting to use it Before operating this machine for the first time perform all preparation for use instructions If your new machine is not properly prepared to perform a service your service data could be erroneous In order to properly perform a complete air conditioning service follow all procedures in the order presented Please take ...

Page 11: ...xcess of 64 dB A PRINCIPLES OF OPERATION In a single series of operations the machine permits recovering and recycling R134a refrigerant fluids with no risk of releasing the fluids into the environment and also permits purging the A C system of humidity and deposits contained in the oil The machine is in fact equipped with a built in evaporator separator that removes oil and other impurities from ...

Page 12: ...bly Remove frontal and rear body shell both right doors and then screw off 8 screws marked 4 Right upper door 5 Right bottom door Refer to Fig 4b 6 Rear body shell Disassembly Remove rear bottom door then screw off 6 screws marked 7 Left side body shell Disassembly Remove frontal and rear body shell then screw off 10 screws marked FIG 4a 4 2 3 1 5 FIG 4b 6 7 ...

Page 13: ...ing phase VACUUM Activates a menu that helps the user to perform a vacuum phase PAG DYE INJECTION Activates a menu that helps the user to perform a PAG DYE injection followed by a charge phase CHARGE Activates a menu that helps the user to perform a gas charge phase SERVICES Activates services menu SETUP Activates the setup menu of the service station MAINTENANCE Activates the maintenance menu of ...

Page 14: ...ntrol panel g Status light h Tool tray i Ventilation grid j Service hoses pocket k Oil pump filling cap l Drive up pedal m Magnet for reference weight n Circuit breaker o Power cord exit p HP service hose outlet q HP quick connection r USB port s LP service hose outlet t LP quick connection u PAG oil container v OIL2 DYE container FIG 7 c b e d a v u FIG 8 h g f i ...

Page 15: ... or more A C systems before recovering any more refrigerant EMPTY TANK ALARM Beeper advises when the quantity of refrigerant fluid contained in the tank is low less than 3 lbs 1 36 kg VACUUM PUMP OIL CHANGE Beeper advises after 15 hours of work of the vacuum pump change the oil of the vacuum pump SERVICE ALARM Beeper advises whenever the total recovered refrigerant amounts to 155 lbs 70 kg To deac...

Page 16: ...system Solution Check the connection and closing of the quick couplers If after all these checks the machine continues to give the same error means that the A C system is empty SET QUANTITY LOWER THEN 4 oz 100 g Error message displayed during charge when the amount of gas typed is less than 4 oz 100 g both automatic and manual procedure Solution Set a quantity of gas greater than or equal to 4 oz ...

Page 17: ... necessary empty it as described in ordinary maintenance section Check on the machine display that there are at roughly 4 4 lb 2 kg of refrigerant in the tank Should this not be the case fill the on board machine tank from an external tank of appropriate refrigerant following the procedure described in the tank filling maintenance menu Check that the vacuum pump oil level indicator ref 3 Fig 12 sh...

Page 18: ...nue or press NO to go back AUTO OIL INJECTION Leave selected OFF to skip oil injection or select ON to reintegrate the same quantity of oil extracted during Recovery EDIT CHARGE AMOUNT DATA NOTE For most systems the quantity of fluid to be refilled is indicated on a plate that is in the vehicle s engine compartment If this quantity is not known look for it in the relevant manuals Select CHARGE AMO...

Page 19: ...ime 15 minutes this test is not reliable If leaks are found the machine will stop automatically and display the A C SYSTEM LEAKS alarm Detection of micro leaks is not guaranteed NOTE The air purge is made automatically during the vacuum phase or when the machine is in stand by for 3 minutes always automatically However air purge can always be made at any time manually by the AIR PURGE MANUAL selec...

Page 20: ...ipt of the procedure Press ENTER to exit NOTE The automatic procedure may be run even if the A C system is empty In this case the machine will begin with the vacuum phase Oil Injected R134a AUTOMATIC PROCEDURE PAG INJECTION oz R134a AUTOMATIC PROCEDURE xx psi EMPTY HOSES Empty hoses Hoses pressure R134a AUTOMATIC PROCEDURE CHARGE Disconnect LP coupling from A C system and Press ENTER Disconnect HP...

Page 21: ...ly the relative hose From MANUAL PROCEDURE select RECOVERY RECYCLING the following screen will be displayed Type the plate of the car press ENTER to confirm ESC to return back NOTE the numerical keys include an alphabet that is used similar to text messaging for example press 2 once to display 2 twice to display A three times for B four times for C five times for a six times for b seven times for ...

Page 22: ...pressure If the system is equipped with a single quick connect coupling for high or low pressure connect only the relative hose From the MANUAL PROCEDURE select VACUUM the following screen will be displayed Select VACUUM TIME value box Use the KEYPAD to insert the new value of the VACUUM TIME Press ENTER to confirm ESC to return back NOTE Use the VACUUM SETTING to change the duration of the TIME O...

Page 23: ...l sound an alarm and the following screen will be displayed Close and disconnect HP and LP coupling from A C system then press ENTER the following screen will be displayed Procedure is now successfully completed Press PRINTER to print the receipt of the procedure Press ENTER to exit R134a MANUAL PROCEDURE VACUUM inHg A C Pressure LEAK CHECK R134a MANUAL PROCEDURE VACUUM inHg A C Pressure R134a MAN...

Page 24: ...r a higher CHARGE AMOUNT value EDIT CHARGE MODE Select the connection mode HP LP fill the refrigerant from both HP and LP service ports HP to fill the refrigerant only from the HP service port LP to fill the refrigerant only from the LP service port START PROCEDURE After selected all the procedure data press ENTER to continue If plate number is enabled the following screen will be displayed Type t...

Page 25: ... be displayed Procedure is now successfully completed Press PRINTER to print the receipt of the procedure Press ENTER to exit R134a MANUAL PROCEDURE EMPTY HOSES End Of Procedure PAG injected xxx oz OIL2 DYE xxx oz Gas charged xxx lb Press ENTER to continue R134a MANUAL PROCEDURE xx psi EMPTY HOSES Empty hoses Hoses pressure R134a MANUAL PROCEDURE CHARGE Disconnect LP coupling from A C system and P...

Page 26: ...ess ENTER to continue the following screen will be displayed Type the plate of the car press ENTER to confirm ESC to return back NOTE the numerical keys include an alphabet that is used similar to text messaging for example press 2 once to display 2 twice to display A three times for B four times for C five times for a six times for b seven times for c eight times for 2 again Connect and open the ...

Page 27: ...frigerant fluid recovery system refilling inner bottle filling For any operation a record is made with date time type of operation quantities involved plate number inner bottle refrigerant fluid availability From the MAIN MENU Select the MANUAL PROCEDURE the following screen will be displayed R134a mm dd yyyy hh mm xxxxxxx AUTOMATIC MANUAL SERVICES SETUP MAINTENANCE INFO R134a MANUAL PROCEDURE xx ...

Page 28: ...ogo to print the report of the service or press ESC to return to previous menu SEARCH BY PLATE SEARCH BY PLATE INSERT VEHICLE PLATE R134a SERVICE ARCHIVE 2016 Plate Time Date Recovered gas Injected gas Recovered oil Injected oil Injected die Vacuum time Vacuum reached R134a SERVICE ARCHIVE 35A085 852 Plate Time Date R134a SERVICE ARCHIVE 1423A2422 343 17 53 30 02 2014 35A085 852 17 43 31 01 2013 P...

Page 29: ...ess ENTER to save to copy a CSV file with all the operations into the USB storage device The following screen will be displayed for few seconds Extraction is now completed The machine will return to the previous menu R134a SERVICE ARCHIVE Please insert USB key and press ENTER R134a SERVICE ARCHIVE EXTRACT ARCHIVE Extraction complete ...

Page 30: ...hout disconnect it from A C system then press ENTER R134a mm dd yyyy hh mm xxxxxxx AUTOMATIC MANUAL SERVICES SETUP MAINTENANCE INFO R134a MAINTENANCE A C PRESSURES CHECK Turn on A C system and check pressure using HP and LP gauges then press ENTER R134a MAINTENANCE A C PRESSURES CHECK Unscrew HP coupling without disconnect from A C system then press ENTER R134a MAINTENANCE A C PRESSURES CHECK Turn...

Page 31: ...RESSURES CHECK is now successfully completed EMPTY HOSES OPERATION COMPLETED press ENTER to continue R134a MAINTENANCE EMPTY HOSES R134a MAINTENANCE xx psi EMPTY HOSES Empty hoses Hoses pressure R134a MAINTENANCE EMPTY HOSES Disconnect coupling from A C and Press ENTER Are you sure that you have unscrewed coupling or couplings without removing them R134a MAINTENANCE A C PRESSURES CHECK YES NO R134...

Page 32: ...rging process NOTE If there isn t air into the tank the following message is displayed AIR PURGE NOT NECESSARY Press ESC to terminate the Air Purging process and return to the MAINTENANCE menu CALIBRATION R134a MAINTENANCE AIR PURGE MANUAL PRESS ENTER TO PURGE PRESS ENTER TO PURGE Tank pressure xxx psi Tank Temperature xxx F Target Pressure xxx psi For assistance call the Snap on toll free Technic...

Page 33: ...at HP and LP coupling are disconnected from A C system or else and press ENTER Machine will check presence of refrigerant And if necessary will recover it Then the following screen is displayed Type the filter code and press ENTER to delete the alarm If the filter code is not available call the Service Center Remove the dryer filter use the special wrench ref Fig 18 Make sure that HP and LP coupli...

Page 34: ...r tightening and press ENTER to restart the vacuum check Verify that both o rings are correctly placed into their seats press enter R134a MAINTENANCE CHANGE DRYER FILTER VACUUM LEACKS Check filter tightening and Press ENTER R134a MAINTENANCE CHANGE DRYER FILTER Check leaks with vacuum CHANGE DRYER FILTER R134a MAINTENANCE Continue with vacuum and check for leaks Press ENTER R134a MAINTENANCE CHANG...

Page 35: ... to return back to previous screen EMPTY HOSES From MAINTENANCE select EMPTY HOSES the following screen will be displayed The machine will recover all the refrigerant into the service hoses then the machine will sound an alarm and the following screen will be displayed Press ENTER to return to the MAINTENANCE MENU EMPTY HOSES is now successfully completed R134a VEHICLE BRAND VEHICLE MODEL YEARS GE...

Page 36: ...he magnet on the rear of the machines and press ENTER The following screen will be displayed Wait few seconds then if the tank cell is correctly calibrated the following screen will be displayed Press ENTER to return to MAINTENANCE MENU R134a MAINTENANCE REPORT FILTER CHANGE mm dd yy xx lbs mm dd yy xx lbs mm dd yy xx lbs PREV PAGE NEXT PAGE TANK CELL CHECK CHECK OK Press ENTER to continue R134a M...

Page 37: ... following screen Close and disconnect LP coupling from external tank and press ENTER Tank filling procedure successfully completed Switch the machine off NOTE The refrigerant really filled into the internal tank can vary by 1 1 lb 500 g NOTE If the external tank is not supplied with a liquid side coupling overturn it to recover liquid refrigerant Tank Pressure Ext Tank Pressure R134a MAINTENANCE ...

Page 38: ...Alarm message is visualized to remove alarm message refer to VACUUM PUMP OIL CHANGE paragraph The oil must also be replaced whenever it changes color due to absorption of humidity Before beginning the oil change procedure procure a container of at least 17 oz 500 cc capacity in which to collect the used oil The pump contains about 14 9 oz 440 cc of oil Use only the oils recommended by the manufact...

Page 39: ... filling hole using a proper funnel ref 5 Fig 27 until the level rises to the midpoint on the indicator ref 3 Fig 27 Add oil a little at a time waiting for the level to rise before each successive addition until the oil reach the optimal level on the indicator ref 3 Fig 27 Replace the filling cap ref 1 Fig 28 and tighten down OPTIMAL 3 MAX MIN FIG 27 5 FIG 28 1 2 FIG 26 2 FIG 25 4 FIG 24 1 ...

Page 40: ...r ref j Fig 29 Remove the container from its lodging Hold the container and unscrew the cap ref 2 Fig 30 Fill the container Fig 31 with the correct quantity of PAG oil for compressors of suitable type and grade NOTE in order to reduce humidity and air contamination of new oil the collapsible container has to be filled almost to the brim Screw the cap ref 2 Fig 30 back into the container Replace th...

Page 41: ...lodging ref l Fig 32 Hold the container and unscrew the cap ref 2 Fig 33 Fill the container Fig 34 with the required quantity of OIL2 DYE for compressors Screw the cap ref 2 Fig 33 back into the container Replace the container and hook it up to the quick connection taking care not to exert pressure on the scale in order not to damage it NOTE in order to reduce humidity and air contamination of OIL...

Page 42: ... 42 1 n 4 FIG 37 TOOLS Funn el Disp osal conta iner Allen wren ch n 5 8 FIG 39 FIG 38 2 ...

Page 43: ...rage tank OIL sum of the quantity of PAG and OIL2 DYE in the PAG and OIL2 DYE containers Used quantity of OIL in the USED OIL container Ambient temperature ambient temperature near the service station Tank temperature refrigerant storage tank temperature Tank pressure refrigerant storage tank pressure A C pressure pressure in the service hoses Press ESC to return to MAIN MENU R134a mm dd yyyy hh m...

Page 44: ...E Regarding the above the Manufacturer reminds the Customer that according to international and national laws and regulations in force the goods are shipped at the sole risk of the latter and unless otherwise specified in the confirmation of order phase the goods are shipped uninsured The Manufacturer therefore declines any and all responsibility in merit of CLAIMS for damages due to shipping load...

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Page 48: ... 48 Made in USA Snap on is a trademark of Snap on Incorporated 2016 Snap on Incorporated Printed in USA Snap on 2801 80th St Kenosha WI 53143 www snapon com ...

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