LAUNCHER LCH-AC950 Plus AC System Maintenance Centre Instruction Manual

LAUNCHER LCH-AC950 Plus AC System Maintenance Centre

Product Information

• Specifications
  • Working pressure: Max. 20bar
  • HP gauge: -1bar~35bar
  • LP gauge: -1bar~20bar
  • Max. Work Pressure: 20bar
  • Backlighting: LED
  • Language: Chinese and English (can be customized)

Product Usage Instructions

• Introduction
  • The LCH-AC950 Plus A/C System Maintenance Centre-Dual is designed for professional technicians or maintenance and repair personnel.
• Features
  • For R134a and R1234yf refrigerant.
  • Fully automatic, and easy to operate.
  • The internal pipeline of A/C system flushing, effectively clears the internal greasy and fouling to restore the A/C system performance.
  • Forward flushing, reverse flushing, and pulse flushing functions for improved cleaning effect.
  • Large-size glass tube with LED backlighting for observing the cleaning process.
  • Vertically installed HP & LP gauges for timely pressure observation.
  • High recycling rate with gas or liquid.
  • Concise operating interface with large LCD.
  • Program and database updatable, with a printer included.
  • The self-cleaning function ensures refrigerant meets reuse standards.
• Safety
  • A. The machine should only be used and repaired by qualified personnel.
  • B. Designed for R134a and R1234yf refrigerants; other types should not be used.

FAQs

• Q: Who can use the LCH-AC950 Plus A/C System Maintenance Centre-Dual?
  • A: The device is intended for professional technicians or maintenance and repair personnel.
• Q: What refrigerants can be used with this device?
  • A: The device is designed for use with R134a and R1234yf refrigerants only. Other types should not be used.
• Q: Is the user manual available in languages other than Chinese and English?
  • A: The user manual comes in Chinese and English, but language customization may be possible upon request.

NOTE:

1. Carefully read the user manual before using, and keep it well for future reference.
2. Carefully check the device parts list before using. For any doubt, contact We distributor immediately.
3. Due to the product upgrade, tiny difference between the user manual and the device will not be further noticed. Take the device as standard.
   • Copyright reserved! Without written agreement from us, any company or person is not allowed to copy and duplicate this user manual in any format (electronic, mechanical, video, record or other formats).The user manual is designed only for our products. Any consequence caused by using the user manual to guide other device operations is not under our responsibility of us.
   • We and our branches are not responsible for the fees and expenses of the device damage and loss due to a private accident or from a third party, misuse and abuse of the device, unauthorized change and repair, or any operation and maintenance not following our standard.
   • We are not responsible for device damage or problems due to the usage of any optional parts or consumables instead of our original products or our recognized products.
   • Declaration: Other product names mentioned in the user manual are aimed to describe the device usage. The registered trademarks still belong to the original company.
   • The device is for professional technicians or maintenance and repair personnel

Registered Trademark

We have registered its trademark in our and several other countries, the logo is. Other trademarks, service marks, dot names, Icons, and company names mentioned in the user manual all belong to us and our subsidiaries. In those countries where the trademark, service mark, dot name, icon, or company name is not registered yet, we declaim the right for its unregistered trademark, service mark, dot name, icon, and company name. Trademarks of the other products and company names mentioned in the user manual still belong to the original registered company. Without written agreement from the owner, no person is allowed to use the trademark, service mark, dot name, icon and company name of us or of other mentioned companies. You can get contact us for a written agreement on the usage of the User Manual.

Safety

• A. The machine is designed to be used and repaired by qualified personnel only.
• B. The machine is designed to be used for R134a and R1234yf refrigerant. Other refrigerant types are not applicable. Different types of refrigerants cannot be mixed, otherwise it is easy to cause equipment failure or damage the air conditioning system.
• C. Fill the A/C system with the quantity of refrigerant recommended by the manufacturer.
• D. Keep away from moving parts and rotating elements such as cooling fans, alternators and heating components, etc. to avoid harm.
• E. Wear protective clothing gloves and goggles.
• F. As automotive air conditioning pipe flushing, the operator must be fully familiar with the automotive air conditioning system and operation of the machine. Check whenever the engine is turned off that the ignition key is turned to the full OFF position!
• G. Do not expose the machine to direct sunlight or rain. Use only in well-ventilated work areas.
• H. Never exceed 30 ° tilt in transit process upside down is strictly prohibited.
• I. Do not touch the machine’s high voltage power supply section, and do not maintain the machine as powered on.
• J. Care of the manual.
• K. We reserve the right to modify the contents of this document without prior notice to our customers.

Introduction

1. Outline
   • LCH series A/C system maintenance equipment is with the latest design technique which uses the best control principle and the manufacturing process.
   • A/C System Maintenance Centre is intelligent equipment collecting of the A/C flushing, recovery, recycling, recharging and other functions in one. It’s with the beautiful shape, humanized operation interface, and advanced manufacturing processes to make the A/C maintenance professional and simple.
   • The machine is designed to be used for R134a and R1234yf refrigerant.
2. Features
   • A. For R134a and R1234yf refrigerant.
   • B. Fully automatic, easy to operate.
   • C. Internal pipeline of A/C system flushing, effectively cleared the internal greasy and fouling, to restore the A/C system performance.
   • D. With forward flushing, reverse flushing, and pulse flushing functions, which greatly improve the cleaning effect.
   • E. Using a large-size glass tube with LED backlighting, can effectively observe the entire cleaning process.
   • F. Vertically installing the HP & LP gauges lets the operator be able to observe the pressure parameters timely even in the car.
   • G. Unique design of the pipeline to achieve a high recycling rate of matter with the gas or the liquid.
   • H. Easy to operate with a concise operating interface.
   • I. Designed with a large-size LCD.
   • J. Database.
   • K. Program and database can be updated.
   • L. With printer.
   • M. The self-cleaning function of the equipment can ensure that the refrigerant stored in the equipment meets the reuse level.
3. Specifications
   • A. Working conditions:
   • Ambient temperature: 0~50°C
   • Relative humidity: ＜85%
   • B. Voltage input: AC220V±10％~50/60Hz AC110V±10％~60Hz (see as label)
   • C. Compressor： 12.12cm3
   • D. Vacuum pump: 7.2m3/h，2Pa
   • E. Load cell for tank: 30kg/±10g, 2pcs
   • F. Load cell for oil bottle: 6kg/±5g
   • G. Tank: 12L, 2pcs
   • H. PAG oil bottle: 300ml
   • I. POE oil bottle: 300ml
   • J. Used oil bottle: 500ml
   • K. LCD: 240*128
   • L. Working pressure: max. 20bar
   • M. HP gauge: -1bar~35bar
   • N. LP gauge: -1bar~20bar
   • O. Max. Work Pressure: 20bar
   • P. Backlighting: LED
   • Q. Language: Chinese and English (can be customized)

Functions

1. Primary functions
   • A. Dual refrigerant system
   • B. Support dual refrigerant oil type
   • C. Automatic flushing
   • D. Automatic recovering/recycling
   • E. Automatic/manual used oil drain
   • F. Vacuum timing.
   • G. Automatic/manual new oil injection
   • H. Quantitative recharging
   • I. Each function can operate independently
   • J. Auto mode
   • K. Database
   • L. Print
2. Subsidiary functions
   • A. Parameter setting
   • B. Refrigerant supplement
   • C. Pipeline self-cleaning
   • D. Equipment emptying
   • E. Equipment vacuum
   • F. Electronic scale calibration (professional)
   • G. Machine maintenance (Dry-filter exchanger, vacuum pump oil exchanger)
   • H. Printer test
   • I. Equipment status query
   • J. Equipment info inquiry
   • K. Help

Operation

1. Parts descriptions
2. First use
   • A. To avoid damage to the electronic scale during transportation, the electronic scale is protected when shipped. Open the back door, take out all the fillers on both sides of the tank and under the scale pan, and loosen the supporting screw under the scale plate to make the scale handle the suspended state. As shown in the figure below:
   • B. Connect the power supply and power on. Please operate as follows.
   • C. Set the language: select one and press ENTER.
   • C、 Set the units: select one and press ENTER
   • D. Install the R1234yf storage tank back of the machine.
   • a) Place the storage tank on the rear scale and fix it.
   • b) Connect the red and blue pipes to the red and blue valve interfaces of the tank, tighten them (it is recommended to apply a small amount of stop glue), and open the two valves.
   • E. Connect the hoses and couplers
   • a) Connect the two RED hoses to the HP ports.
   • b) Connect the two blue hoses to the LP ports.
   • c) Connect the RED and BLUE couplers of R134a to the RED and BLUE pipes of R134a respectively.
   • d) Connect the RED and BLUE couplers of R1234yf to the RED and BLUE pipes of R1234yf respectively.
   • F. Initialization
   • G. Supply refrigerant to the new equipment (please refer to the SUPPLY FUNCTION section)
   • Note:
   • As the new equipment is empty, the Flushing and Recharging functions will not be performed.
   • To ensure all functions are normal, about 4kg R134a and 4kg R1234yf refrigerant need to be filled to the tanks. If it is not necessary to use the Flushing function, replenish at least 2kg.
   • H. Please read this user manual carefully before operating.
3. Preparations before Running the Flushing function
   • A. Check the refrigerant type of the automobile air conditioning, connect the right couplers to the A/C service ports, and open the couplers on.
   • B. Start the car, and run the A/C for about 5 minutes.
   • C. Check whether the high and low pressure of A/C is normal. Check whether there is abnormal noise when the compressor works. If there is any abnormality, it must be repaired first.
   • D. Turn off the air conditioner and turn off the engine.
   • E. Empty the used oil bottle. Add an appropriate amount of new oil into the new oil bottles (Note: PAG and Poe types).
   • F. Turn on and prepare for work.
   • Warning: When the machine is running, never to run the A/C system!
4. Power On
   • A. If the equipment detects abnormal information, it will give a prompt, which should be handled in time. If there is no prompt message, it will go to the next interface directly.
   • B. Select the refrigerant type: R134a or R1234yf. The default is the last operation type.
   • C. If the refrigerant type is different from last time, please operate according to the prompts.
   • If the process is terminated artificially, it will not be into the main function and back to the last Interface.
   • D. After completion, enter the function interface.
   • Description:
5. Flushing-Recovery
   • A. By this function, it will be able to clean out the refrigerant oil and oil sludge to exchange the refrigerant entirely to improve the performance of the compressor. Also, it will recover the refrigerant remaining in the A/C system.
   • B. Before flushing the pipeline of the automotive A/C system, please turn on the A/C system and run it for 5 to 10 minutes. And set it as the lowest temperature and medium wind.
   • C. Turn off the automotive air conditioning.
   • Warning: do not start the air conditioning during the flushing process! Otherwise, it easily causes damage to the air-conditioning and risk of an accident!
   • D. To achieve good flushing performance, the flushing time should be more than 20 minutes. General: the cleaning time for a single-evaporator is 20 minutes, and that for a double-evaporator is about 30 minutes. The longer the cleaning time, the better the cleaning effect.
   • Note: The flushing time does not include the time of the recovery process. Once the flushing is finished, the machine will run the recovery function automatically.
   • E. Operations:
   • E-1: Select the Flushing Function and press the ENTER key.
   • E-2: Set the flushing time.
   • E-3: Press the ENTER key to start.
   • F. During the working, it can automatically carry out forward, reverse and pulse cleaning, and automatically discharge the used oil separated from the cleaning into the old oil bottle.
   • G. After the cleaning process, it will automatically recover the refrigerant. According to the ambient temperature and the structure of the A/C system, the recovery process will last for 10-30 minutes. Please do not manually terminate the work.
   • H. When finished, it’ll stop automatically. And it will discharge the separated used oil again, and then shut down automatically and give a prompt.
   • Notice: it’s normal for that there have an action sound of the solenoid valve during the working process. Please do not stop it. The used oil can be drained out automatically.
   • Warning: In case of sudden power failure or accidental termination during the Flushing-Recovery process, please re-select the Flushing-Recovery function. The cleaning time can be set shorter and then run again. It is important not to operate other functions.
6. Recovery/Recycling
   • A. By this function, it will recover the refrigerant remaining in the A/C system.
   • B. Operations:
   • B-1: Select the Recovery Function and press the ENTER key.
   • B-2: Press the ENTER key to start.
   • B-3: After recovery over, it’ll drain the used oil automatically.
   • C. When finished, it will discharge the separated used oil, and then stop automatically.
7. Vacuum
   • A. By this function, it will clean the water vapour out from the A/C system.
   • B. It should be more than 15 minutes. Generally, it takes 15 minutes at least for the air conditioning only with front wind and 20 minutes for the front and rear wind.
   • C. Operations:
   • C-1: Select the Vacuum Function and press the ENTER key.
   • C-2: Set the vacuum time.
   • C-3: Press the ENTER key to start.
   • D. When finished, it’ll stop automatically.
8. New oil adding
   • A. It must be able to do after the vacuum process.
   • B. Pour new oil into the new oil bottle.
   • Note:
   1. Add new oil more than 20ml than the used oil drained out to avoid the air into the air conditioning system.
   2. Pour the new oil into the corresponding oil bottle. PAG oil into the PAG bottle and POE oil into the POE bottle. The two types of oil cannot be mixed, otherwise it will cause damage to the air conditioning system. Please check the vehicle’s technical manual or label, do not add the wrong type!
   3. If a non-vacuum state is detected, the function cannot be run.
   • C. Operations:
   • C-1: Select the New oi adding Function and press the ENTER key.
   • C-2: Set the oil type. Must be correct!
   • C-3: Select method: you can choose manual control, or set the filling amount.
   • C-3.1 If you select Manual control, press and hold ENTER key for injection, and release the key to stop.

   • •   *       *  **C-3.2** If the filling amount, press the ENTER key after the set, and it will stop automatically.![LAUNCHER-LCH-AC950-Plus-AC-System-Maintenance-Centre-FIG-1 \(23\)](https://manuals.plus/wp-content/uploads/2024/04/LAUNCHER-LCH-AC950-Plus-AC-System-Maintenance-Centre-FIG-1-23.png)

9. Recharging
   • A. Select the Recharging Function and press the ENTER key.
   • B. Set the recharge amount.
   • C. Press the ENTER key to start.
   • D. When finished, it’ll stop automatically.
   • Note: The recharging amount setting is as follows.
   • Method 1: Set the amount directly.
   • Method 2: Set the amount by the database. Steps as follows:
   • Note: In the recharging process, if shows the menu, it means that you need to turn on the car air-conditioning to complete the recharging process. Later, you should supply new refrigerant into the tank.
10. Auto. Mode
    • A. Under this mode, all of the functions can be run fully automatically after setting the parameters.
    • B. Before running, drain out the used oil entirely and fill enough new oil into the new bottle. Pay attention to the oil type.
    • C. Operations:
    • C-1: Select the Auto. Mode Function and press the ENTER key.
    • C-2: Set the all parameters.
    • C-2: Press the ENTER key to start.
    • D. When finished, it’ll stop automatically.
11. Database
    • Here you can read the refrigerant type and filling amount and the refrigerant oil type and filling amount of the automotive.
12. Equipment Maintenance
    • Exchange dry filter
    • A. The dry filter must be exchanged when it reaches its lifetime. There will be a message.
    • B. If not exchanged the dry-filter timely, it will not be able to run the recovery, flushing and supplying functions.
    • C. Operations:
    • C- 1: Please check the ID of the dry filter on the label. Which is the SN.
    • C-2: Select the Exchange dry-filter Function and press ENTER key. C-3: Input the ID.
    • C-4: And then do step by-step as the information.
    • Note: Please attention to the mounting direction of the dry filter.
    • Clean the pipe of the unit
    • A. Through this function, it can effectively remove the oil mist and trace moisture in the internal pipeline of the equipment, and ensure that the system is clean and pollution-free.
    • B. After a period of use, such as 3 months, it should be run this function.
    • C. Operations:
    • C- 1: Power on, select the refrigerant type, then select Equipment Maintenance.
    • C-2: Select the Clean Pipe of The Unit function and press the ENTER key.
    • C-3: Connect the hoses and couplers well to the coupling side of the equipment, and open the couplers.
    • C-4: And then press the ENTER key to run.
    • Warning: this function is performed according to the type of refrigerant.
    • Calibration of load cell (operated by professionals)
    • A. When the load cell is not precise, it needs to be calibrated.
    • B. You need input the password 1510 before using this function.
    • C. If do the calibration of main tank load cell, please prepare a 10~20kg weight. If do the calibration of oil bottle load cell, please prepare a 1-3kg weight.
    • D. Follow the prompts step by step.
    • Note: if here have some programs, please check according to the messages.
    • Drain used oil
    • A. It can control the used oil drained manually.
    • B. Select Drain Used Oil function and press ENTER key.
    • C. Press and hold ENTER key to drain, and release the key to stop.
    • Empty internal refrigerant
    • A. Through this function, the refrigerant in the equipment can be emptied.
    • B. It is necessary to use another refrigerant recovery equipment (say as MM).
    • C. Operations:
    • C- 1: Connect the HP & LP ports of the equipment with the HP & LP ports of the MM. Pay attention to the type of refrigerant.
    • C-2: Select the Empty Internal Refrigerant function and press the ENTER key.
    • C-3: Confirm the pipes are connected well, and press ENTER key.
    • C-4: Run the Recovery function of MM.
    • C-5: After recovery ends, stop and power off the MM. Then press the ENTER key to the next step.
    • C-6: Wait for a moment. When it shows END, the pipes connected with two equipment can be disconnected.
    • C-6: Run the Vacuum System Pipeline function.
    • Warning: this function is performed according to the type of refrigerant.
    • Vacuum System Pipeline
    • Through this function, the internal pipeline of the equipment can be completely vacuumed to the factory state.
    • Before running this function, it must do the Empty Internal Refrigerant function.
    • Operations:
    • C-1: Power on, select refrigerant type, then select Equipment Maintenance.
    • C-2: Select the Vacuum System Pipeline function and press the ENTER key.
    • C-3: Connect the hoses and couplers well to the coupling side of the equipment, and open the couplers.
    • C-4: And then press the ENTER key to run.
    • Warning: this function is performed according to the type of refrigerant.
    • Change vacuum pump oil
    • A. When the pump oil becomes cream or the machine displays a maintenance message, the vacuum pump oil must be changed.
    • B. If not change the pump oil in time, the vacuum pump will be easily damaged.
    • C. Operations:
    • C- 1: Open the back-down cover.
    • C-2: Unscrew the block of the drain port to drain the old oil out entirely. Then re-back the block to the drain port.
    • Note: the oil drain hole is on the same side of the window or at the bottom. There are some differences in specifications.
    • C-3: Unscrew the cap of the fill port and then fill the new oil slowly into the vacuum pump until the oil level reaches at the center site. Then re-back the cap to the fill port.
    • Note: the new vacuum pump oil cannot be filled too much into the vacuum pump otherwise it will spray out when working.
    • C-4: Re-back the cover.
    • Discharge non-condensable gases
    • A. Due to some uncontrollable reasons, after a while, some incompressible gas will be accumulated in the tanks. If the gas is too much, it will cause abnormal operation of the equipment.
    • B. It is necessary to discharge non-condensable gases regularly, and it is recommended to do it once a month (if the use frequency is low, the exhaust cycle can be extended). Or, when the machine appear in the High-pressure Alarm, it needs to do it immediately.
    • C. Operations:
    • C- 1: Remove the rear refrigerant tank and place it aside. Note: do not remove any pipes!
    • C-2: Open the back door, and there are two exhaust valves in the left middle of the machine. Open the valve slowly to discharge non-condensable gases.
    • Attention: slowly rotate the valve handle, stop the rotation when you hear the exhaust sound, and let the exhaust stand still.
    • C-2 : The exhaust time is about 20 seconds.
    • Warning: when exhausting, it is necessary to cut off the power supply and carry out it in a ventilated environment, and no fireworks are allowed!
13. Supply tank
    • A. If the refrigerant amount in the main tank is less than 3kg, the flushing function can’t run any more, and if less 1kg, the recharging function also can’t run any more, until supply enough refrigerant in the machine.
    • B. Operations:
    • B- 1: Power on, select refrigerant type, then select Supply Tank function.
    • B-2: Select if use the supplying connecter:
    • B-3.1: If using the supplying connecter, the pipeline connection is as follows: Fitting the supplying connecter to the port of the fresh refrigerant tank.
    • Note: it should connect to the liquid port of the fresh refrigerant tank. If has no liquid port, please place the fresh refrigerant tank upside down. Connect the HP coupler to the supplying connecter and open it.
    • B-3.2: If don’t use the supplying connecter, the pipeline connection is as follows: Connect the port of fresh refrigerant tank to the LP port of equipment. Note: it should connect to the liquid port of the fresh refrigerant tank. If has no liquid port, please place the fresh refrigerant tank upside down.
    • B-4: Open the valve of the fresh refrigerant tank.
    • B-5: Set the supplying amount and press ENTER key to run. Note: Amount of supply Setting the amount according to remain amount in the tank. Suggestion: supplying amount = (4.5~5) – remaining amount.
    • B-6: When alarming, please close the valve of the fresh refrigerant tank, upright it and press the ENTER key to confirm.
    • B-7: After the refrigerant in the pipeline is recovered, the equipment stops automatically. Then install the quick coupling.
    • Special declaration: When the refrigerant is supplied to the new equipment, due to the vacuum state of the equipment system, some refrigerant will remain in the pipeline and components when supplying refrigerant to the tank, resulting in the actual amount of refrigerant recovered will be more than that shown by the equipment, which is normal.
14. System function
15. Language

  * Change the language
2.  **Units**

15. Equipment info

  *  **System inquiry**
  * Here you can check the working status of the machine.
  *  **Servicer info**
  * Here you can set and check the servicer and dealer information.
  *  **The way for setting:![LAUNCHER-LCH-AC950-Plus-AC-System-Maintenance-Centre-FIG-1 \(39\)](https://manuals.plus/wp-content/uploads/2024/04/LAUNCHER-LCH-AC950-Plus-AC-System-Maintenance-Centre-FIG-1-39.png)**
  *  **Equipment info**
  * Here you can check the SN, hardware version, software version etc.

16. Help

  * Here you can check all of the help messages.

Declare: We reserve the right to modify the contents of this document without prior notice to our customers.

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