USER`S MANUAL
Contents
1. is completed the machine will stop automatically then press STOP to exit NOTICE In following cases user need to vacuum the machine system 1 Use the machine at the first time 2 There is air in the machine system 4 After replace the filter IV Operation Instruction 4 1 Recovery 4 1 1 Preparation 1 Open the vapor valve on the working tank 2 Connect R134A quick couple to car AC system 3 Open HI LO valve on the panel 4 1 2 Steps 1 Press RECOVERY to go to this function interface 2 Press START 3 When RECOVERY is completed the machine will stop automatically then press STOP to exit PAGE NOTE 1 Check the HP LP meter if there is no pressure please check if the R134A quick couple is open or if the connection is well otherwise there is no refrigerant in the AC system 2 After recover 3 5 cars please open drain valve to drain the waste oil or impurity 4 2 Charging Before charging vacuuming AC system leakage test and oil charging are strongly recommended 4 2 1 Vacuum AC system 1 Preparation 1 Open liquid valve on the working tank 2 Connect R134A quick couple to AC system 3 Open the HI LO valve on the panel 2 Steps 1 Press VACUUM to go to the function interface 2 Set up vacuum time it s normally 15 30 minute then press START 3 When VACUUM is completed the machine will stop automatically then press STOP to2. Don t recover any refrigerant into the tank if the system indicates the tank is full 5 If the power cuts when running an operation please close the gas valve and liquid valve on the tank Keep the high low pressure hosed connected with the vehicle Restart this operation after the power resumes Please vacuum the unit system if you disconnect the hoses from the vehicle 6 Please take out the weight scale from the tank when moving this unit Replace the weight scale after the unit is stable Otherwise it will cause inaccurate measurement 7 Don t hit the weight scale since it is high precision measurement electronic device 8 The screen display of this unit is fragile electronic components Don t hit or scratch it 9 Please be careful when connecting the high low hoses to the A C system The refrigerant in the hoses may hurt your hands and eyes PAGE VII Warranty Thank you for choosing this product Following service and warranty apply 1 This product is warranted to be free from defects for a period of one year from date of purchase 2 For the repairs out of warranty period we only charge the cost of parts 3 For updating the unit we only charge the cost 4 If your unit needs repair or replacement parts contact your local distributor or our company We will serve you ASAP 5 To validate your warranty complete the warranty card attached to your unit and return it We will keep your record and serve you 6 Foll
3. REFRIGERANT RECOVERY RECYCLING RECHARGING UNIT USER S MANUAL MODEL LG 650 PAGE I Brief Description This machine is a full automatic computer control machine It is specially designed for auto AC system service General function e Refrigerant Recovery recovery the refrigerant from AC system to a tank e Refrigerant Recycling separate the refrigerant in the AC system from oil and water and purify it make it can be reused e Refrigerant Charging preset charging quantity and charge refrigerant into AC system Leakage Test test leakage of the AC system e Vacuuming Vacuum AC system e Oil Charging preset charge quantity and charge oil into AC system PAGE Operation Panel RECOVERY to reclaim the refrigerant from AC system VACUUMN to vacuum AC system CHARGE to charge refrigerant into the AC system HELP to go to LEAKAGE TEST SELF CLEANING UNIT INFORMATION menu to adjust value of time quantity etc START to start a procedure STOP to stop a procedure PAGE II Packing List Name Quantity Remark Main unit lpcs Working tank lpcs Power cable lpcs Hose for liguid vapor lset Install inside of machine valve HP LP hose lset Install inside of machine glue tube lset manual lpcs Quality certificate lpcs R134a guick adaptor lset Vacuum pump oil Ibottle System oil charging lset device Work
4. exit NOTE Check low pressure meter the read shall be 0 05 to 0 09 Mpa PAGE 4 2 2 Leakage Test ly Press HELP to go to LEAKAGE TEST 3 2 Open the HI LO vale on the panel 3 Check if the point of th low pressure meter is stable it should keep stable atl east 5 minute Otherwise there is leakage please use professional tools to find it out NOTE please vacuum the AC system before perform the leakage test 4 2 3 System oil charging 1 Open the LO valve on the panel and close the HI valve 2 Make sure the low pressure meter point below 0 3 Open the valve of system oil charing device to charge the proper quantity oil NOTE before charging please check vacuum status via low pressure meter to make sure there is enough vacuum otherwise please vacuum the system 4 2 4 Refrigerant charging 1 Preparation 1 Open liquid valve on the working tank 2 Connect the R134A quick couple to the AC system 3 Open the LO vale on the panel and close HI valve 2 Steps PAGE 1 Press CHARGE to go into the function interface and adjust charging quantity by UP and DOWN arrow key 2 Press START to charge 3 When procedure is completed the machine will stop automatically then press STOP to exit NOTE please make sure that there is at least 3 4kg refrigerant in the working tank V Clear Up And Maintenance 5 1 Clear up 1 Exit the operation system 2 Turn off the
5. ing condition Voltage AC220 10 Frequency 50 60HZ Temperature 10 C 40 C Humidity 85 External Magnetic Field Strength 400mA m PAGE Specification Compressor power 300W Vacuum speed 60L min Range of refrigerant scale 60Kg Precision of refrigerant scale 10g Recovery speed gt 200g min Charging speed gt 800g min Tank capacity 12L Dimension of the machine 670x600 1120mm Weight 67kg III Preparation 1 Check the machine and accessories in accordance with Packing List 2 Install working tank 1 Remove the back cover of the machine and take liquid vapor hose out 2 Connect hose to the handle valve of the tank red to red blue to blue 3 Put the tank on the scale pan and fasten the fasten screw 3 Install R134A quick couple red to red blue to blue 4 Pour vacuum pump oil remove back cover of the machine there is a vacuum pump at the down left of the machine Open the blue PAGE plug on the pump and pour oil into it till the oil level is up to the midline of the oil gauge see following figure 5 Install system oil bottle see following figure 6 Vacuum the machine system 1 preparation 1 Make sure R134A quick couple is connect well with the hose and open the HI LO vale on the panel 2 Close the handle valve on the working tank 2 Steps PAGE 1 Power on 2 Press HELP key to go into SELF CLEANING and run it 3 When SELF CLEANING
6. owings do not apply to our warranty 1 Wearing parts including but not limited to oil bottle pressure gauges etc 2 Consumables including but not limited to vacuum pump oil filter drier etc 3 Break the vacuum pump because starts the unit without oil in the vacuum pump 4 The product or product part is broken by accident PAGE
7. power and pull out the plug 3 Replace all the adapters and hoses 5 2 Maintenance 1 Drain the oil after recovering the refrigerant of 3 5 vehicles A C system 2 Change the filter drier every 6 months of operation 3 Keep the unit out of dust and water 4 Maintenance of vacuum pump a Keep the vacuum pump oil level upper than the level marked on the oil meter Otherwise it may damage the parts For maximum performance change the vacuum pump oil after every 10 20 hours of operation To avoid any damage to the vacuum pump don t start it without any oil in the vacuum pump b Change the vacuum pump oil Turn on the unit and keep the vacuum pump running 10 20 minutes until the oil becomes thin Remove the oil PAGE drain screws to drain the waste oil in the vacuum pump Add 100ml new oil into the vacuum pump and keep it running 1 minute to clear the pump Then drain the waste oil Repeat it twice Replace the oil drain screws after confirming the pump is clear Add new oil into the pump until it reaches the level marked on the oil meter c Cap the pump if the vacuum pump is not in use for long time Keep it from dirt and water VI Cautions 1 Don t move the unit when running a function Moving will cause inaccurate measurement 2 Vacuum the unit system when use this unit after long time not in use 3 Open the valve on the tank to release the air entering the tank by accident during the operation 4
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