FLO1234 - Flo
Contents
1. The LCD will now read When the FLO1234 reaches approximately 20 hg vacuum The FLO1234 is now recovering refrigerant The LCD will now read The LCD will show the amount of refrigerant recovered The FLO1234 will proceed to drain the recovered oil RECOVERY IN PROGRESS PLEASE RECOVERY COMPLETE WAIT RECOVERED RECOVERED 1 00 LBS 2 00 LBS TANK CAPACITY DRAINING OIL REMAINING 00 00 45 25 00 LBS PLEASE WAIT Record the RECOVERED weight reading on the LCD Push the QUIT key to return to Main Menu as shown below or PROCEED TO EVACUATE key for evacuation operation Do not forget to measure the A C oil in the oil drain bottle for future A C oil re injection RECOVER RECYCLE Operation is now complete RECOVERY COMPLETE RECOVER EVACUATE RECOVERED 2 00 LBS SELECT MODE CHARGE TO VACUUM gt FULL CYCLE QUIT gt TANK REFILL TANK CAPACITY REMAINING is the amount of space available in storage tank 10 OPERATING INSTRUCTIONS FOR THE FLO1234 EVACUATE MODE The EVACUATE Mode would be chosen to remove air and moisture from an Automobile A C system that has been open to the atmosphere CAUTION Air and moisture in an A C system can cause premature failure of A C system components From the Main Menu screen Push the EVACUATE Key RECOVER EVACUATE SELECT MODE CHARGE FULL CYCLE TANK REFILL The LCD will now read The vacuum pump will run until the TIME REMAINING reaches 00 00 EVACUATION IN PROGRESS TIME2. CONNECT HIGH SIDE SERVICE HOSE RECOVER TO NEW R 134a TANK EVACUATE OPEN VALVE ON TANK AND TURN IT UPSIDE DOWN SELECT MODE CHARGE FULL CYCLE START gt TANK REFILL QUIT gt Note To speed up the Refill process turn the supply tank upside down or make sure the liquid refrigerant is being recovered The LCD will now read Caution Do not turn off unit If stoppage is required close the HIGH SIDE COUPLER and all the unit to complete the clearing If REFILLING amount reached zero the LCD will read process Push the Quit Key to return to Main Menu REFILLING COMPLETING TANK REFILL 20 00 LBS PLEASE WAIT TO GO UNTIL TANK IS FULL The unit will run until 1 REFILLING amount on LCD reaches zero or 2 The unit will run until 1 REFILLING amount on LCD reaches zero or 2 Virgin supply tank is pulled into a vacuum _ supply tank is pulled into a vacuum If Virgin supply tank is pulled into a vacuum the LCD will read Either add a new Virgin supply tank and push RESUME or Push the QUIT key to return to Main Menu Pushing the QUIT key will return to the main menu RECOVER SUPPLY TANK EMPTY EVACUATE REPLACE WITH NEW TANK SELECT MODE CHARGE RESUME gt FULL CYCLE QUIT gt TANK REFILL 21 MAINTENANCE MAINTENANCE MODES DURING NORMAL OPERATION OF FL01234 FILTER CHANGE The FLO1234 uses a mass flow tracking system on how much recovered refrigerant has passed through the Filter Drier FLO p n ARXF5 Each 41 Cub
3. Step 5 Push the RESUME key Step 6 Open both HI and LO service coupler valves Step 7 Run for 30 minutes Step 8 After 30 minutes close both HI and LO couplers Step 9 Allow the REFILL mode to complete the evacuation of the hoses The unit is now ready to charge a High Voltage A C system Following the CHARGING MODE instructions on page 13 or 18 R 1234yf SAE MODE Connect service hoses to auxillary ports on the liquid feed hose NOTE When injecting oil back into a high voltage A C system use the OEM recommended oil Purchase FLO injecting kit AR2788X23 for additional injectors for different OEM oils TROUBLE SHOOTING Problem High Pressure Limit Solution Check that both Storage Tank valves are open Check that any inline hose ball valves to the Storage Tank are open Problem Tank Overfill Solution Remove refrigerant from Storage Tank by charging into an empty refrigerant cylinder If this does not fix the problem then Re Zero scale Problem Unit not Charging accurately Solution Make sure Storage Tank is properly placed on platform so that no portion of the tank is touching the back of the unit or protective frame work of the unit Solution Do not move the unit while in the charging mode The unit utilizes a weighing method of charging Sudden movement of the storage tank will affect the charging accuracy Solution Make sure unit is on a level surface If placed on surface with more than 2 grade the cha
4. Discon nect the ground wire clamp from the tank Remove the entire tank filter hose assembly from the back of the unit It will be necessary to use FLO kit FA1234X1 50 Ib tank filter hose assembly for additional refrigerants Place either a new pre evacuated 50 Ib tank filter hose assembly or an existing one on the scale platform Connect the tank Red hose to upper bulk head fitting Connect Blue tank hose to lower bulk head fitting Reconnect ground wire clamp to tank Remove the service hose cover Install the correct service hoses for the refrigerant selected e The unit comes with the R 1234yf service hoses e For R 22 or R 407 refrigerant selection purchase FLO hoses HP8RE and HP8BE Once done re install the service hose cover Push the CONTINUE key The unit will proceed to do the automatic PT Pressure Transducer calibration and then if required the air purge This should only take a few minutes and once complete the Main Menu will appear on the LCD If there are any questions on confirming the refrigerant selected turn OFF the unit Then turn the unit ON The LCD will briefly show the current refrigerant selected The LCD will have a list of refrigerants Push the Key next to the refrigerant selection R 134a gt R 1234yf gt SELECT ais REFRIGERANT R 407C gt QUIT gt Maintenance Interconnecting Hoses Service Hoses and Couplers The FLO1234 uses brass to brass seal type fitting on the e
5. the units of measure can be changed If the CHANGE UNITS key is pushed the LCD will read at this time Push the CHANGE UNITS key Select units of measure CHARGE gt CHARGE CHANGE UNITS SELECT UNITS OF MEASURE START QUIT Oil Injection System The LCD will now read Open the oil injection valve until the Continue by pushing the or ARROW key until the charge desired amount is amount is programmed Once desired amount is programmed dispensed Push CONTINUE key once push the START key oil injection is complete CHARGE CHARGE SELECTED 2 00 LBS CHARGE IF REQUIRED INJECT OIL AT CHANGE UNITS THIS TIME AVAILABLE REF START CONTINUE gt 24 00 LBS QUIT QUIT gt AVAILABLE REF This is the amount of refrigerant available for charging If this drops below zero charging will not start 12 OPERATING INSTRUCTIONS FOR THE FLO1234 The LCD will now read The CHARGE DISPENSED reading will begin to increase Note If the unit does not completely dispense the charge Once the CHARGE DISPENSED equals the CHARGE into the A C system the LCD will notify the user of options The LCD will read Close HIGH SIDE COUPLER to complete the charg Push CONTINUE key CLOSE HIGH SIDE COUPLER CHARGE SELECTED 2 00 LBS CHARGE DISPENSED 0 00 LBS CONTINUE gt Start car A C system Push CONTINUE key START CAR A C SYSTEM PLEASE WAIT CONTINUE gt Charge is now complete Push QUIT key to retu
6. Ib 454 gram check weight Operation manual End user to provide R 134a R 1234yf R 22 or R 407C refrigerant for R 22 and R 407C refrigerant user will need to purchase HP8RE and HP8BE service hoses Refrigerant oil and or dye for injection system Table of Contents SPECIfICAON S x reenen eara O kas vkaeansevencnidiensn aiid EEEE EE EEE EAEN 2 trO dUCHO N arsenem a a e r a E EE A E T E E ETO 3 G n ral Safety INStUCHONS arseenia pede ne tavvagaans Gaus da eseadandslidsdmeaiae ead dnddewdeee s 4 Mita Equipment Pre PA RAC OI Ss cz s xvas ssmapsrecbvav ta evecare rape E T E E E Saran clelawannareawrarnude 5 Imta See Uer EE avn EEA E AE E E E T E E E eats S E TE 6 Refrigerant Conversion ssssesnsususesensnroseseseserrororrsrserereoresrseserereerererrsrererrrere gt 7 8 Operating Instructions 0 0 ccc cece cece cece eee e ence eee eneeeeeeeeeeeeecneeeeucuceseseuseseuees 9 21 Maintenant e aeoo nds arnt weaius tancaeu tan meus buted ane A E eaunenaaetaes 22 27 SEVICE Parts ANd ACCESSOLIES occ acciesee ding desis coin du sig eeduigieoveeda bie ened Qescleeee T OE E pou es 28 29 High Voltage Charging Trouble Shooting Chart 0 0 0c ccc ce cece cece cece cece eee c a aa Eaa 30 Warranty and Contact Information 0 0 0 ccc cece cece cece eee e eee e ence cu ceeeeeeeevcucucucuseeeneas 31 INTRODUCTION Thank you for purchasing the Flo Dynamics Convertible FLO1000 series unit The FLO1234 has been designed to meet both R 134a a
7. UNITS AVAILABLE REF 24 00 LBS START QUIT OPERATING INSTRUCTIONS FOR THE FLO1234 If the CHANGE UNITS key is pushed the LCD will read Select units of measure SELECT UNITS OF MEASURE The LCD will now read The FLO1234 is now recovering refrigerant The LCD will show the amount of refrigerant recovered RECOVERY IN PROGRESS PLEASE WAIT RECOVERED 1 00 LBS TANK CAPACITY REAMAINING 25 00 LBS The LCD will now read Continue by pushing the or ARROW key until the charge amount is programmed Once desired amount is programmed push the START key CHARGE CHARGE SELECTED 2 00 LBS CHARGE CHANGE UNITS AVAILABLE REF 24 00 LBS START QUIT When the FLO1234 reaches the required vacuum level the unit will proceed to drain the recovered oil The LCD will now read RECOVERY COMPLETE RECOVERED 2 00 LBS DRAINING OIL 00 00 45 PLEASE WAIT AVAILABLE REF This is the amount of refrigerant available for charging If this drops below zero charging will not start TANK CAPACITY REMAINING is the amount of space available in storage tank OPERATING INSTRUCTIONS FOR THE FLO1234 Once DRAINING OIL is complete the unit will The unit will proceed to a 2 00 minute leak check test proceed to Evacuation The vacuum pump will The LCD will now read run until the TIME REMAINING reaches 00 00 Note If leak check fails check A C system for leaks The LCD will now read The FULL CYCLE proc
8. leak test This is noted by the rise in the pressure lf the unit fails th test find an ir leak Rerun th reading on the LCD If it fails find and repair leak and rerun CHARGE SORE Bi presslvailest ANE AmE vepall Ran eran ine CHARGE MODE i A The LCD will now read The compressor will start to recover the 15 test charge The unit will change 15 of the program charge into the A C When the recovery is complete the the vacuum pump will start system Once stablized the unit will begin a pressure decay and pull a deep vacuum in order to prepare the unit for final test At this time it is recommended to use an electronic leak charge This will take about 5 minutes detector as an additional check This process will take approximately 5 minutes LEAK CHECK IN PROGRESS PREPARING FOR FINAL CHANGE 83 0 PSIG 10 0 PSIG If either the vacuum leak test or the pressure leak tests fail the LCD will display a failure message Either failure will prevent the software from completing the charge sequence It will be necessary to repair the leak and repeat the CHARGE MODE Once the evacuation sequence is complete the unit will Once NCG purge is done The LCD will now read perform a mandatory Non condensable gas check on the Open the oil inject valve until the desired amount is dispensed storage tank The LCD will read Push the CONTINUE key once done AUTOMATIC AIR PURGE IF REQUIRED INJECT OIL AT THIS TIME PLEASE WAIT CONTINUE gt QUIT
9. 198 Website www flodynamics com 31 ERROR CODES E1 BAD TXT EPROM E2 SCALE ADC E3 SCALE EPROM E4 CANNOT CAL ES MBV FAULT X E6 AMB THRM E7 TNK THRM E8 PT TRANS E9 WEAK BATT E10 BAD FILTERTIME E11 DEFAULTS NOT SET E12 BAD GRAPH MEM E13 BAD PTR TO INFO MEM E15 FLOW SWITCH ERROR UNKNOWN ERROR A bad scale may cause this also Connection to the scale electronics lost Scale not calibrated Scale cannot be calibrated or bad calibration Where X is a number from 1 to 5 indicating which MBV has failed Ambient thermistor in the head is bad Thermistor attached to the oil sep is bad Pressure transducer is bad Should never appear Filter code problems What it says Problems with the graphics like Chinese and Russian Major software corruption fatal error Air flow switch is open What it says y SS www flodynamics com 73 172
10. A1234X21 FA1234X22 FA1234X23 FA1234X24 FA1234X25 FA1234X26 FA1234X27 FA1234X28 FA1234X29 FA1234X30 FA1234X32 FA1234X33 FA1234X34 FA1234X35 28 Description FA1234 DOA IN tee AUX HS1 purge hose FA1234 LV4 Regulator DOA IN tee hose AR2788 II FA1234 four relay PCB Item Description QCH1234 HFO 1234yf High side service coupler 12mm QCL1234 HFO 1234yf Low side coupler 12mm QCH134 R 134A High side coupler QCL134 R 134A Low side coupler SERVICE PARTS AND ACCESSORIES 29 Item TR21X1 TR21X2 TR21X3 TR21X4 Item VP6S VPOG VPXF15 VPXODP VPXOMP Description Compressor valve rebuild kit Compressor complete rebuild kit Compressor connector rod assembly 2X Description HIGH VOLTAGE A C CHARGING INSTRUCTIONS OEM manufacturers of Automotive High Voltage A C systems have required that the residual amount of PAG oil in the charging hose s be reduced to a minimal level The following are instructions on how to prepare the FLO1234 for charging a High Voltage A C system FIGURE 3 Step 1 Remove the oil injection assembly from the FLO1234 injection port Cap off this port Step 2 Push the REFILL key Do not hook up the service hoses as instructed by the LCD Step 3 Push the START key Run until RESUME and QUIT keys come up on the LCD Step 4 Connect both HI and LO service hoses to the auxiliary fittings a b on the hose between the filter and tank liquid port as shown in Fig 3
11. DUCER MAINTENANCE PT ZERO SELECT MODE PLEASE WAIT The Pressure Transducer PT calibration will automatically complete the procedure Once done the LCD will return to the Main Menu RECOVER EVACUATE SELECT MODE CHARGE FULL CYCLE TANK REFILL 25 MAINTENANCE CHANGE REFRIGERANT The LCD will have a list of refrigerants Push the key next to the Push the CHANGE REF key refrigerant for selection CHANGE FILTER gt R 134a gt SCALE gt R 1234yf gt MAINTENANCE SELECT SELECT MODE EIZERO REFRIGERANT nee CHANGE REF gt R 407C gt QUIT gt QUIT gt The LCD will show a message to CLOSE VALVE 1 Then push the CONTINUE key The compressor will run for about 1 minute HI and LO gauges will pull into a slight vacuum CLOSE VALVE 1 THEN PRESS CONTINUE Ball valve on the Red hose Valve 1 going to the filter outlet Ball valve on the Blue tank vapor hose Valve 2 CONTINUE gt The LCD will show a message to CLOSE VALVE 2 Then push the CONTINUE key The vacuum pump will run for about 3 5 minutes HI and LO gauges will pull into a deep vacuum Once done the LCD will read CHANGE TANK amp HOSE CLOSE VALVE 2 CHANGE TANK amp HOSE THEN PRESS CONTINUE THEN PRESS CONTINUE CONTINUE gt CONTINUE gt 26 MAINTENANCE CHANGE REFRIGERANT continued Remove the tank hose service cover using a 9 16 wrench disconnect the tank hoses from the bulk head fittings on the back of the unit
12. FLO t DYNAMICS CONVERT ABLE FL01234 REFRIGERANT RECOVER RECYCLE EVACUATION AND RECHARGE UNIT Convertible between four refrigerants R 134a R 1234yf R 22 and R 407C Unit covered under US Patent 8 082 750 and other patents pending Certified by ITS under SAE J2911 to meet SAE J2788 for R 134a Certified by ITS under SAE J2911 to meet high voltage compressor service per SAE 2788 for R 134a Certified by ITS under SAE J2911 to meet SAE J2843 Feb 2011 Ed for R 1234yf Certified by ITS under SAE J2911 to meet high voltage compressor service per SAE J2843 for R 1234yf TO COMPLY WITH SAE CERTIFICATION THE FLO1234 IS TO BE DEDICATED FOR USE WITH ONE REFRIGERANT SAE CERTIFICATION DOES NOT COVER MULTIPLE REFRIGERANT USE OPERATION MANUAL Unit Consists Of FLO1234 Series Automotive Refrigerant Recover Recycling and Recharge Machine 6 CFM 50 micron vacuum pump Recovery Cylinder FLO1234 includes a 50 Ib DOT storage tank Low and High side service hoses for R 134a and R 1234yf Low and High side R 134a and R 1234yf couplings for easy conversion Removable oil injection system 3 tank refill adaptors 1 4 SAE Female for R 134a 1 2 ACME RH Female for R 134a 1 2 ACME LH Female for R 1234yf R 1234yf conversion fittings for hose storage and oil flush block 41 cubic Inch filter drier Replacement part number ARXF5 Tank filter bracket with hardware and all tank hoses if the tank is not included 1
13. REMAINING 00 00 00 If leak check fails check A C system for leaks If leak check passes The LCD will now read EVACUATION COMPLETE CHARGE gt QUIT gt The LCD will now read Push the or ARROW keys until the desired vacuum time is programmed Once done push the START key SET EVACUATION TIME TIME 00 10 00 TIME START QUIT The unit will then proceed to a 2 00 minute leak check test The LCD will now read LEAK CHECK IN PROGRESS TIME REMAINING 00 02 00 PLEASE WAIT Push the QUIT key to return to Main Menu or CHARGE key for charge operation RECOVER EVACUATE SELECT MODE CHARGE FULL CYCLE TANK REFILL NOTE If a leak is detected the LCD will be prompted 11 OPERATING INSTRUCTIONS FOR THE FLO1234 CHARGE MODE The CHARGE mode would be chosen to recharge a mobile A C system after it has been properly evacuated This is also the time to inject oil back into the A C system See special instructions on page 27 for High Voltage Compressor A C system charging For units configured for R 1234yf in the SAE mode go to page 17 for CHARGE MODE instructions The LCD will now read Select which service hose unit should charge through It is From the Main Menu screen recommended to use HIGH SIDE charging to prevent Push the CHARGE key compressor slugging RECOVER LOW SIDE gt EVACUATE HIGH SIDE gt SELECT MODE CHARGE BOTH gt TANK REFILL The LCD will now read f If desired
14. YSTEM PUSH START START gt The LCD will now read After closing liquid port tank valve push CONTINUE key CLOSE LIQUID PORT VALVE ON RECOVERY TANK THEN PRESS CONTINUE CONTINUE gt 22 QUIT gt The LCD will now read The evacuation process will take about 2 5 minutes The unit will run until a filter has been evacuated FILTER CHANGE EVACUATING FILTER PLEASE WAIT MAINTENANCE AUTOMATICALLY OCCURING DURING THE OPERATION OF THE UNIT FILTER CHANGE continued Once the filter has been evacuated the LCD will read Replace the filter with new ARXF5 Then Push the NEXT key FILTER CHANGE REPLACE FILTER ORDER P N ARXF5 PUSH NEXT Push the ENTER key once the entire code is shown on LCD ENTER FILTER ID DOWN USE lt gt KEYS RIGHT gt 12345678 LEFT lt PUSH ENTER ENTER VACUUM OIL CHECK LCD will now read Use the KEYS to fill in the filter code for each blank Use the lt gt KEYS to move cursor to the next blank See filter label for code ENTER FILTER ID USE lt gt PUSH ENTER The LCD will now read Filter Change is now complete Push the QUIT key to return to MAIN MENU FILTER REPLACEMENT COMPLETE RE OPEN TANK LIQUID VALVE PUSH QUIT FILTER LIFE REMAINING 100 QUIT gt Every 10 hours of vacuum pump run time the following message will appear in EVACUATION or FULL CYCLE modes The oil level can be seen through the sigh
15. e unit and its contents from its shipping pallet 2 Remove the Styrofoam insert from below the tank and cut the shipping band from around the tank 3 Ensure all hose connections are firmly hand tight as they may have come loose during shipping The contents of the accessory box are as follows Power cord R 134a refill hoses 1 4 SAE and 1 2 ACME Set of R 1234yf hose holder fittings and caps R 1234yf refill hose 1 2 ACME left hand thread 1 Ib check weight R 1234yf ID tank label R 134a ID tank label Se oe af FLO1234 INITIAL SET UP The FLO1234 is shipped from the factory in the R 134a SAE configuration As indicated in our literature the FLO1234 can be set up for multiple refrigerants The following instructions will guide you through the initial set up fo the unit that allows changes to operational software language units of measure and refrigerant Before we power up the unit it will be necessary to check the vacuum pump oil sight glass for the correct level The vacuum pump is pre filled at the factory Make sure the vacuum pump power switch is in the ON position Also check the hose connecting to the vacuum pump is tight Open all tank and hose valves on the back of the unit Plug the unit into the proper voltage power supply Check the nameplate of the unit if there are any questions on power supply requirements While holding down the Key 3 push the momentary ON OFF switch on the back of the unit until the LCD
16. ess will be aborted EVACUATION IN PROGRESS LEAK CHECK IN PROGRESS TIME REMAINING TIME REMAINING 00 00 00 00 02 00 PLEASE WAIT The LCD will now read The CHARGE DISPENSED reading will begin to increase Once the LEAK CHECK has passed or the SKIP key is pushed Note If the unit does not completely dispense the charge The LCD will read Open the oil injection valve until the desired into the A C system the LCD will notify the user of amount is dispensed Push the CONTINUE key options to complete the charge CHARGING IF REQUIRED oe INJECT OIL AT t THIS TIME CHARGE DISPENSED CONTINUE gt 0 00 LBS QUIT gt See Figure A on page 12 for further details on the oil injection system Once the CHARGE DISPENSED equals the CHARGE The LCD will read Close HIGH SIDE COUPLER Push CONTINUE key CLOSE HIGH SIDE COUPLER CONTINUE gt 16 OPERATING INSTRUCTIONS FOR THE FLO1234 Start car A C system Push CONTINUE key START CAR A C SYSTEM PLEASE WAIT CONTINUE gt Once the charge amount has been met The LCD will read Record the data on the LCD Push the QUIT key FULL CYCLE is complete FULL CYCLE COMPLETE REFR RECOVERED 2 00 LBS CHARGE SELECTED 2 00 LBS CHARGE DISPENSED 2 00 LBS QUIT gt The LCD will return to the main menu RECOVER EVACUATE SELECT MODE CHARGE FULL CYCLE TANK REFILL OPERATING INSTRUCTIONS FOR THE FLO1234 SAE CHARGE MODE for R 1234yf This mode ha
17. g matches Calibration weight Push the YES key to proceed with accuracy check Push the NO key if weight does not match See service manual Pushing the NO key will skp the accuracy check and for complete scale re calibration procedure A 25LB or 15KG proceed to the Re Zeroing function Class F weight will be required for scale re calibration CHECK SCALE ACCURACY PLACE CALIBRATION WEIGHT ON SCALE DOES READING MATCH CALIBRATION WEIGHT 0g The LCD will now read Push the YES key to proceed with RE ZERO scale LCD will now read Note Pushing the NO key will prompt the unit to Lift the Tank off the scale reboot and Go to MAIN MENU Then Push NEXT key SCALE RE ZERO REMOVE TANK FUNCTION FROM SCALE PLATFORM CURRENT SCALE PUSH NEXT WEIGHT og 24 MAINTENANCE The LCD will now read Push the YES key if CURRENT SCALE WEIGHT is zero The LCD will now read The unit will re boot and go to the MAIN MENU Wait until the LCD screen changes Pushing the NO key will repeat Re Zeroing process TARE OPERATION RE ZEROING COMPLETE SCALE WEIGHT 0 PLEASE WAIT CURRENT SCALE WEIGHT g NOTE Keep tank off scale platform NOTE Once complete place tank back on scale platform PT SENSOR GAUGES Push the PT SENSOR key a The LCD will now read The FLO1234 will begin a automatic routine Wait for Re zeroing procedure to complete to recalibrate the Pressure Transducer PT CHANGE FILTER BEALE RE ZEROING P TRANS
18. ge the intial default refrigerant from R 134a to either R 1234yf R 22 or R 407C To change the refrigerant after the unit has already been put into service see Maintenance Section on page 25 If the unit is ON turn it OFF Then while holding down the Key 2 push the momentary ON OFF switch on the back of the unit until the LCD lights up The LCD will come up in the Maintenance Mode Push the CHANGE REF key CHANGE FILTER gt Key 2 SCALE gt MAINTENANCE PT ZERO gt SELECT MODE CHANGE REF gt QUIT gt MAINTENANCE MODE The LCD will have a list of refrigerants Push the Key next to the refrigerant selection R 134a gt R 1234yt gt z Ball valve on the Red hose Valve 1 going to the filter SELECT REFRIGERANT R 22 gt outlet Ball valve on the Blue tank R 407C gt vapor hose Valve 2 QUIT gt The LCD will show a message to CLOSE VALVE 2 Then push the The LCD will show a message to CLOSE VALVE 1 Then pushthe CONTINUE key The vacuum pump will run for about 3 5 minutes Pear ay ates cli esate about 4 minute MI HI and LO gauges will pull into a deep vacuum Once done the LCD gaug p 9 i will read CHANGE TANK amp HOSE CLOSE VALVE 1 CLOSE VALVE 2 THEN PRESS CONTINUE THEN PRESS CONTINUE CONTINUE gt CONTINUE gt 7 FLO1234 CHANGE INITIAL REP Mean SETTINGS Since this is the initial setup the tank filter assembly is empty and does not need to be changed If the refr
19. gt 19 OPERATING INSTRUCTIONS FOR THE FLO1234 The LCD will now read The CHARGE DISPENSED reading will begin to increase Note If the unit does not completely dispense the charge Once the CHARGE DISPENSED equals the CHARGE SLECTED into the A C system the LCD will notify the user of The LCD will read Close HIGH SIDE COUPLER options to complete the charge Push CONTINUE key CLOSE HIGH SIDE COUPLER CHARGE SELECTED 2 00 LBS CHARGE DISPENSED 0 00 LBS CONTINUE gt Start car A C system Push CONTINUE key START CAR A C SYSTEM PLEASE WAIT CONTINUE gt Once complete the LCD will read Push QUIT key to return to the MAIN MENU The LCD will return to the main menu CHARGING RECOVER EVACUATE CHARGE SELCTED 2 00 LBS SELECT MODE CHARGE CHARGE DISPENSED 2 00 LBS FULL CYCLE TANK REFILL 20 OPERATING INSTRUCTIONS FOR THE FLO1234 REFILL MODE The REFILL mode would be chosen to add refrigerant to the tank for the first time or add more refrigerant to the recovery tank This operation can be run pushing the TANK REFILL key from the Main Menu or may be prompted when insufficient refrigerant exists when in CHARGE or FULL CYCLE modes It s recommended to use a refrigerant identifier on the virgin supply tank to guard against counterfeit refrigerants The LCD will now read From the MAIN MENU Connect the High Side service hose to a virgin supply tank Push the TANK REFILL key Push the START key
20. he storage tank with the assigned refrigerant in order to run recharge an AC system The unit can perform recovery operations at this time but cannot charge Go to the TANK REFILL mode instructions on page 20 to add refrigerant to the tank Initial setup is now complete Read the balance of this manual for complete operating and maintenance instructions OPERATING INSTRUCTIONS FOR THE FLO1234 IMPORTANT BEFORE USING THIS START UP GUIDE IT IS HIGHLY RECOMMENDED THAT THE USER COMPLETELY READ AND UNDERSTAND THIS ENTIRE MANUAL FAILURE TO OPERATE AS SPECIFIED COULD RESULT IN DAMAGE TO THE UNIT WHICH COULD ALSO LEAD TO LOSS OF WARRANTY The FLO1234 is a microprocessor driven unit The operating instructions are contained on the LCD Simply choose the desired function of the unit and follow the directions on the LCD The following are the basic instructions on safely operating each function of this unit Operating Instructions Open all Storage Tank Valves Push the momentry Power switch to ON The unit will run a brief diagnostic routine LCD will read RE Zeroing PT Please wait Once done with PT calibration process the unit will proceed to the automatic air purge sequence This will take up to 3 minutes RE ZEROING AUTOMATIC AIR PURGE P TRANSDUCER PLEASE WAIT PLEASE WAIT RECOVER EVACUATE The LCD screen should now read This is called the MAIN MENU SELECT MODE CHARGE FULL CYCLE TANK REFILL e Connect the refrigerant
21. ic Inch Drier can handle 150 Ibs of refrigerant before requiring change When it is determined that the filter has ex ceeded the 150 Ibs the unit locks out if in SAE mode the recovery function in both RECOVERY and FULL CYCLE It is necessary to purchase a Filter Drier under FLO p n ARXF5 Each new Filter Drier comes with a unique code to unlock the recover recycle function The FLO1234 has a lower tilt drawer design to hold 2 spare filters When choosing the RECOVER or FULL CYCLE modes the FA1234 will remind the user to order a filter when the FILTER LIFE REMAINING is below 25 The following is an example of the LCD when Filter Life is less than 25 Push the CONTINE key to proceed to filter change RECOVERY WILL NOT BE ALLOWED WHEN FILTER LIFE EXCEEDED ORDER P N ARXF5 FILTER LIFE REMAINING 20 FILTER CHANGE gt CONTINUE gt The LCD will now read When the Filter Life reaches 0 the following LCD screen will come up Push the CHANGE FILTER key to begin filter change procedure Note pushing QUIT key at this time will return the unit to the Main Menu While in the SAE mode all functions except RECOVER and FULL CYCLE are active To unlock RECOVER and FULL CYCLE modes complete the filter change procedure FILTER LIFE EXCEEDED RECOVERY NOT ALLOWED REPLACE FILTER WITH FLO P N ARXF5 CHANGE FILTER gt QUIT gt Push the START key to begin Filter Change routine FILTER CHANGE DO NOT CONNECT TO A C S
22. igerant selection is R 1234yf place the R 1234yf ID label on the tank If R 22 or R 407C use a permanent marker to identify the tank Remove the service hose cover Install the correct service hoses for the refrigerant selected e The unit comes with the R 1234yf service hoses e For R 22 or R 407C refrigerant selection purchase Flo Dynamics hoses HP8RE and HP8BE Once done re install the service hose cover The following are additional tasks to complete the R 1234yf conversion 1 Close all tank and hose valves to prevent loss of vacuum Replace the R 134a service nipples on the hybrid vehicle flush block hose assembly with the provided R 1234yf service nipples The hybrid vehicle flush block is integrated into the Red hose that connects from the back of the unit to the filter out connection Once done open all tank and hose valves 2 Replace the R 134a storage nipples on the unit s handle with the provided R 1234yf storage nipples Push the CONTINUE key The unit will proceed to do the automatic PT Pressure Transducer calibration and then if required the air purge This should only take a few minutes and once complete the Main Menu will appear on the LCD CHANGE TANK amp HOSE RECOVER THEN PRESS CONTINUE EVACUATE SELECT MODE CHARGE FULL CYCLE CONTINUE gt TANK REFILL If the unit is setup for R 1234yf SAE configuration the FULL CYCLE mode will not show up in the main menu It will be necessary to fill t
23. lights up The LCD comes up with SETUP MODE screen asking for SAE or NON USA SETUP MODE Key 3 SAE gt NON USA gt SAE applies to USA use NON USA would be used for anywhere outside of the USA Keep in mind the operation of the unit is slightly different depending on which mode you use Push either the SAE or NON USA key for selection Now the laguage selection screen comes up ENGLISH gt ESPANOL SELECT DEFAULT DEUTSCH SELECT DEFAULT LANGUAGE UNITS OF FRANCOIS ween NEXT Push the key next to the desired language The LCD will now show SELECT DEFAULT UNITS OF WEIGHT Push the weight measurement system you are most likely to use Note That during any Charge or Full Cycle operation the UNIT OF WEIGHT can be temporarily changed The unit will proceed to the automatic PT Pressure Transducer calibration and then if required the air purge This should only take a few minutes and once complete the Main Menu will appear on the LCD RECOVER gt EVACUATE FLO1234 is now ready for R 134a operation If the unit is being setup for a different refrigerant than R 134a go SELECT MODE CHARGE to FLO1234 Change Initial Refrigerant setting on pages 7 8 If the unit will be used for R 134a place the R 134a ID tank label FULL CYCLE on the storage tank Then go to page 20 to fill the recovery tank with R 134a TANK REFILL fo FLO1234 CHANGE INITIAL REFRIGERANT SETTINGS The following instructions are to be used to chan
24. logy In fact the FLO1234 uses no solenoid or check valves in the active flow path during recovery or evacuation thus enhancing speed The FA1234 utilizes a patent pending two cylinder oil less compressor This compressor improves reliability and performance Being oil free no compressor oil maintenance or oil return system is required The following are additional features e Integrated manifold gauge set Visually see how the mobile A C system is operating No manual valves to open or close e Large Graphic LCD to view operating instructions Languages include English Spanish French German Chinese and more e A highly accurate electronic charge scale e Microprocessor Integrated mass flow system keeps track of how much refrigerant has run through the filter drier giving the user maximum amount of run time on each filter 150 LBS per filter e Cartridge type 41 inch cubic filter drier Mounted directly on the storage cylinder for optimal moisture removal and weight accuracy e Automatic high pressure shut off with microprocessor indication e Interchangeable Recovery cylinders Use your country s approved refrigerant cylinders The software allows the user to set up the proper tank and refrigerant parameters Larger cylinders can be used for larger truck and bus A C systems e Modular design for easy replacement of a defective plumbing scale electronic compressor or vacuum pump sub system e Heavy duty construction Powder coated steel cabi
25. nd R 1234yf SAE R R R Standards In accomplishing this goal Flo Dynamics has integrated the latest patent pending technology and incorporated state of the art features while improving relaibility and performance The unit also meets the SAE standards for High Voltage Compressor service that many hybrid vehicles require The FLO1234 can also handle contaminated refrigerants with is special pumpdown and complete evacuation process It gives the end user a truly one machine meets all needs The FLO1234 series primary use is an Automotive R R R unit The FLO1234 automatically recovers recycles evacuates and recharges mobile A C systems Simply hook up the service hoses choose the desired operation and allow the unit to automatically complete the A C service The FLO1234 utilizes a single pass oil coalescing particle filtration and moisture removal recycling system which means that whenever the FLO1234 recovers it also recycles The unit also incorporates automatic air purge to remove unwanted non condensable gasses from the refrigerant Thus the refrigerant storage tank always contains the cleanest refrigerant possible for future recharge use The FLO1234 utilizes patented motorized ball valves The motorized ball valves are unique to the industry in that they will not be affected by sealants particulates and other contaminates The motorized ball valves incorporate passage ways 8 15 times larger than the existing solenoid valves orifice techno
26. nds of the service hoses and interconnecting hoses No hose gasket maintenance is required on brass to brass type connections The fittings connecting to the filter drier do use a rubber hose gasket When changing the filter drier check the gaskets for wear Replace if required Periodically inspect all refrigerant hose assemblies service hoses and both service coupler inner o rings for wear Replace the component s if excessive wear or leakage is observed Periodically leak check all hose connection points hose ball valves and service couplers Since the unit does pull a vacuum in the recovery process excessive Non Condensable Gases NCG s could be sucked into the system and placed in the storage tank 27 SERVICE PARTS AND ACCESSORIES Item 39 020 39 021 54 100 Item AR2788SX3 AR2788SX11 AR2788SX17 AR2788SX18 AR2788SX19 AR27888X20 AR27888X21 AR2788SX22 FA1234X38 FLO AR2788SX24 AR2788SX28 AR2788SX29 Item AR2788X14a AR2788X14b AR2788X16 AR2788X17 AR2788X25 AR2788X28 AR2788X30 AR2788X32 AR2788X33 AR2788X34 AR2788X40 AR2788X41 AR2788X45 AR2788X46 AR2788X53 AR2788X57 AR2788X64 AR2788X65 AR2788X67 Description Description LCD Description 6 ft power cord 240 VAC Europe AR27XHB15 AR27XHB230 ARXF5 Item FA1234X2 FA1234X3 FA1234X4 FA1234X5 FA1234X6 FA1234X7 FA1234X8 FA1234X9 FA1234X10 FA1234X11 FA1234X12 FA1234X13 FA1234X14 FA1234X15 FA1234X16 FA1234X17 FA1234X18 FA1234X19 FA1234X20 F
27. net mounted onto a 1 tubular steel frame e 10 pneumatic rear wheels and 4 swivel casters give this unit excellent maneuverability under the worst of conditions e Recovers and Evacuates through both the high and low side service hoses e Separate Vacuum pump for faster evacuations e Additional service hose lengths available 8 foot comes standard e Programmed electrical outlet for optional heater blanket installation e Charges on both High and Low side e The FLO1234 can easily be converted back and forth between four different refrigerants R 134a R 1234yf R 22 and R 407C To help you get a good start please continue to carefully read the balance of this manual This manual contains important information on the proper procedures for operating this equipment Please pay close attention to the safety information Warnings and Cautions provided throughout this manual Always remember Safety First Certified by Intertek under SAE J2911 to meet SAE J2788 standard for R 134a and the SAE J2788 High Voltage Compressor service provision Certified by Intertek under SAE J2911 to meet SAE J2843 Feb 2011 Ed standard for R 1234yf and the SAE J2843 High Voltage Compressor service provision GENERAL SAFETY INSTRUCTIONS Only qualified service personnel should operate this unit Most states countries etc may require the user to be licensed Please check with your local government agency DANGER this unit s recovery tanks contains li
28. quid refrigerant Overfilling of a recovery tank may cause a violent explosion resulting in severe injury or even death Do not disable the overfill safety features Always make sure the correct tank is on the scale DANGER Only use the recovery tanks provided with this unit See distributor for replacement tanks DANGER Avoid breathing refrigerant vapors and lubricant vapor or mist Breathing high concentration levels may cause heart arrhythmia loss of consciousness or even cause suffocation DANGER Electrical shock hazard Always disconnect power source when servicing this equipment DANGER DO NOT USE COMPRESSED AIR TO PRESSURE TEST OR LEAK TEST THE UNIT OR VEHICLE AIR CONDITIONING SYSTEM Some mixtures of air and R 134a refrigerant are combustible at elevated pressures These mixtures are potentially dangerous and may result in fire or explosion causing personal injury or property damage CAUTION all hoses may contain liquid refrigerant under pressure Contact with refrigerant may cause frostbite or other related injuries Wear proper personal protective equipment such as safety goggles and gloves When disconnecting any hose please use extreme caution CAUTION avoid breathing refrigerant vapors and or lubricant mist Exposure may irritate eyes nose throat and skin Please read the manufacturers Material Safety Data Sheet for further safety information on refrigerants and lubricants CAUTION do not use this equipment in the vicini
29. rging amount may be incorrect Problem Unit will not power up Solution Check to make sure circuit breaker on back of unit is not tripped Reset and restart the unit if necessary Solution Make sure power cord is plugged into the back of the unit and the wall receptacle Problem Upon compressor start up the circuit breaker trips Solution Reset circuit breaker and try again Problem Upon vacuum pump start up the circuit breaker trips Solution Check Oil Level in vacuum pump Reset circuit breaker and try again Solution Make sure vacuum pump voltage switch is in the correct position For other problems please call the FLO service network for further instructions 30 WARRANTY amp REPAIR POLICY CONTACT INFORMATION WARRANTY amp REPAIR POLICY Flo Dynamics guarantees that the FLO1000 is free of manufacturing and material defects for one year If a component should fail during the guarantee period it will be repaired or replaced at our option at no charge This guarantee does not apply to components that have been altered misused or returned solely in need of field service maintenance This repair policy does not include components that are determined to be beyond economical repair A component being returned for warranty repair must be accompanied by an original bill of sale and customer contact information Flo Dynamics Inc 2600 Jeanwood Drive Elkhart IN 46514 USA Tel 574 262 3400 1 800 303 5874 Fax 574 262 0
30. rn to MAIN MENU CHARGING COMPLETE CHARGE SELECTED 2 00 LBS CHARGE DISPENSED 2 00 LBS 13 OPERATING INSTRUCTIONS FOR THE FLO1234 FULL CYCLE The fully automatic mode is commonly used at quick car care service facilities where no leaks or repairs are required but the A C system seems to be undercharged Full cycle is not available on R 1234yf SAE mode IMPORTANT Before starting the recover of the refrigerant a refrigerant identifier should be used to to determine the type and purity of the refrigerant Failure to properly identify the refrigerant could potentially expose the user to danger from flammable refrigerants and health hazards from toxic refrigerants Cross contamination of refrigerants can also occur and would require special handling of the refrigerant From the MAIN MENU screen Push the FULL CYCLE key RECOVER EVACUATE SELECT MODE CHARGE FULL CYCLE TANK REFILL The LCD will now read If oil injection is required push the YES key Otherwise push the NO key If the YES key is pushed you will be notified when to inject the oil OIL INJECTION 14 The LCD will now read Push the or ARROW keys until the desired vacuum time is programmed Push the NEXT key SET EVACUATION TIME TIME 00 05 00 TIME NEXT QUIT The LCD will now read If desired the units of measure can be changed at this time Push the CHANGE UNITS key CHARGE CHARGE SELECTED 2 00 LBS CHARGE CHANGE
31. s additional leak tests that are required by SAE J2843 due to the flammable nature of R 1234yf This mode will allow for re injection of new oil into the A C system See special instructions on page 25 for High Voltage Compressor A C system charging preparation The LCD will now read Select which service hose unit should charge through It is recommended to use HIGH SIDE charging to prevent compressor slugging From the Main Menu screen Push the CHARGE key RECOVER LOW SIDE gt EVACUATE HIGH SIDE gt SELECT MODE CHARGE BOTH gt TANK REFILL The LCD will now read If desired the units of measure can be changed If the CHANGE UNITS key is pushed the LCD will read at this time Push the CHANGE UNITS key Select units of measure CHARGE gt CHARGE gt CHANGE UNITS SELECT UNITS OF MEASURE START QUIT Continue by pushing the or ARROW key until the charge amount The LCD will now read The vacuum pump will turn ON and run is programmed Once desired amount is programmed push the from 5 10 minutes Once the vacuum pump turns off the unit START key goes into a5 minute vacuum hold test CHARGE LEAK CHECK IN PROGRESS CHARGE SELECTED 2 00 LBS CHARGE CHANGE UNITS AVAILABLE REF 24 00 LBS START QUIT 14 5 PSIG 18 OPERATING INSTRUCTIONS FOR THE FLO1234 If the unit passes the vacuum hold test it will proceed into a If the unit passes the pressure test the LCD will read pressurized
32. service hoses to the automobile A C system to be serviced e Open the High and Low side service couplers Push the KEY for the desired mode The different modes are as follows 1 Recover 2 Evacuation Vacuum 3 Charge 4 Full cycle 5 Tank refill Follow the directions on the LCD for each mode The following pages will discuss the operation of each mode in detail If the unit is setup for SAE R 1234yf operation full cycle will not show up on the LCD OPERATING INSTRUCTIONS FOR THE FLO1234 RECOVER RECYCLE MODE The Recover Recycle mode would be chosen to recovery refrigerant from an Auto A C system that needs a refrigerant containing component replaced such as a compressor evaporator orifice tube condenser etc IMPORTANT Before starting the recover of the refrigerant a refrigerant identifier should be used to to determine the type and purity of the refrigerant Failure to properly identify the refrigerant could potentially expose the user to danger from flammable refrigerants and health hazards from toxic refrigerants Cross contamination of refrigerants can also occur and would require special handling of the refrigerant From the Main Menu screen The LCD will now read Push the RECOVER key Push the START key RECOVER MAKE CERTAIN HOSES ARE CONNECTED AND VALVES ARE EVACUATE OPENED THEN PRESS START SELECT MODE CHARGE TANK CAPACITY FULL CYCLE REMAINING START gt 26 00 LBS TANK REFILL QUIT gt
33. t glass of the vacuum pump To change the oil first loosen the wing nut under the frame and then slide the vacuum pump out The vacuum pump oil should be clear use FLO vacuum pump oil p n VPOP VPOQ VPOG Make sure the oil level is up to the fill mark on the oil sight glass Push CONTINUE key to proceed to the EVACUATION or FULL CYCLE modes CHECK VACUUM PUMP OIL 10 hrs OF RUN TIME HAVE ELAPSED SINCE LAST OIL CHANGE PLEASE CHANGE OIL THEN PRESS CONTINUE CONTINUE gt sS DUAL VOLTAGE 110 115V 220 240V 50 600 Hz yry ii ait oA ars Automatic Non condensable Gases NCG Purge Upon start up of the unit the NCG purge will begin automatically If the compressor was recently run it could take up to 30 minutes before the NCG routine is allowed to run To perform this operation simply turn the unit off and back on In the SAE MODE for R 1234yf the NCG purge cycle will operate just before charging 23 MAINTENANCE MAINTENANCE VIA KEYPAD OPERATION To enter into the units MAINTENANCE mode hold down Key 2 and then turn power switch on The LCD will now read FILTER CHANGE Push the CHANGE FILTER key Go to page 21 for detailed FILTER CHANGE instructions CHANGE FILTER Key 2 SCALE MAINTENANCE PT ZERO SELECT MODE CHANGE REF QUIT MAINTENANCE MODE The LCD will now read SCALE CHECK Place Calibration Weight on tank Push the SCALE key The LCD will now read Push the YES key if weight readin
34. ty of spilled or open containers of gasoline or other flammable substances Make certain that all safety devices are functioning properly before operating the equipment CAUTION to reduce the risk of fire avoid the use of extension cords thinner than NO 16 awg 1 5mm The following table references extension cord wire size vs maximum length WIRE GAUGE MAXIMUM LENGTH feet 16 10 14 25 12 50 CAUTION do not use this equipment in the vicinity of spilled or open containers of gasoline or other flammable substances Make certain that all safety devices are functioning properly before operating the equipment CAUTION This equipment should be used in locations with mechanical ventilation that provides as least 4 air changes per hour CAUTION RISK OF INJURY the equipment should only be operated by certified personnel CAUTION Use only Flo Dynamics certified hose assemblies on this unit The hose assemblies are made to proper length contain shut offs where required and have direct affect on the proper operation of this equipment CAUTION R 1234yf is a Class A2L flammable refrigerant Use in well ventilated areas Minimize leakage from the unit Periodically check unit for leaks INITIAL EQUIPMENT PREPARATION Model FLO1234 Will come with a 50 Ib DOT tank and filter assembly pre mounted on FIGURE 1 Shipping bracket the rear of the machine Please follow the instructions for initial z 4 equipment preparation 1 Carefully unpack th
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