Bacharach 2072-0400 Operating And Maintenance Instructions Manual Download Page 1

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Instruction 2072-0400

Operation & Maintenance

Rev. 0 – March 2002

Product Leadership • Training • Service • Reliability

Summary of Contents for 2072-0400

Page 1: ...Instruction 2072 0400 Operation Maintenance Rev 0 March 2002 Product Leadership Training Service Reliability ...

Page 2: ...Y OBLIGATION LIABILITY RIGHT CLAIM OR REMEDY IN CONTRACT OR TORT WHETHER OR NOT ARISING FROM BACHARACH S NEGLIGENCE ACTUAL OR IMPLIED The remedies of the Buyer shall be limited to those provided herein to the exclusion of any and all other remedies including without limitation incidental or consequential damages No agreement varying or extending the foregoing warranties remedies or this limitation...

Page 3: ... MAC2000 Operational Overview 13 3 2 Diagnosing A C System Operation Using the Snap Shot Mode 15 3 3 Recovery Mode 18 3 4 Vacuum Mode Evacuation 19 3 5 Charge Mode 20 3 6 System Flush Mode Oil Flush 22 3 7 Refrigerant Management System 24 3 8 Internal Tank Manual Refill 25 3 9 System Set Up 26 3 10 Identify Refrigerant 26 3 11 Check Internal Tank for Air 27 4 Maintenance 29 4 1 Changing the Filter...

Page 4: ...ating read and follow the instructions and warnings in the manual CAUTION SHOULD BE OPERATED BY QUALIFIED PERSONNEL Technician must be familiar with air conditioning and refrigeration systems refrigerants and the dangers of pressurized components Use with the R 134a refrigerant only This equipment is not designed for any other purpose other than recovering recycling and charging refrigerants Do no...

Page 5: ...unction required for the job During operation the MAC2000 checks for error conditions and alerts the technician if any exist The entire service procedure can be done with one hook up to the vehicle A built in refrigerant identifier checks for contaminated refrigerant prior to recovery Pressures are shown on the high and low side gauges and other operating information is shown on the screen Refrige...

Page 6: ...ms include Long extension cords Faulty overloaded electrical circuits Drop lights Improper ground or improper polarity The screen shows options and gives instructions for most service and maintenance tasks Read the on screen prompts and follow their instructions The MAC2000 prompts a technician to check the system oil drain bottle on the side of the unit for recovered oil Any system oil that is lo...

Page 7: ...rt Key Press to start a function Pause Reset Key Press to either pause reset or abort a function and return the display to the Main menu Enter Key Press to accept a value as displayed on the screen Weight Convert Key Press to change the charge amount between pounds pound ounces and kilograms Pushing this key allows a technician to scroll through the different weight units Arrow Keys Use these keys...

Page 8: ...Introduction MAC2000 Instruction 2072 0400 4 MAC2000 Front View MAC2000 Right Side View ...

Page 9: ...MAC2000 Introduction Instruction 2072 0400 5 MAC2000 Left Side View MAC2000 Back View ...

Page 10: ...6 Closeup of MAC2000 Handle Panel Note The auxiliary tank ports are not used as this time Temperature and Velocity Data Ports Note The communications ports are used for software updates and future options and are not used during normal operation ...

Page 11: ...election press the function key immediately below the arrow The Next menu function key takes the technician to the next set of menu items There will always be a menu item to take the technician back to the main menu 1 5 Using the Up Down Increase Decrease and Back Forward Arrow Keys Pressing the Up Down and Back Forward keys moves the cursor on the screen in that direction In addition when enterin...

Page 12: ...Introduction MAC2000 Instruction 2072 0400 8 Notes ...

Page 13: ...he blue low side service hose to the service hose fitting with the blue label and attach the red high side service hose to the red service fitting 5 Attach the snap shot transmitter to its magnetic storage plate 6 Install an external source tank of R 134a refrigerant on the lower shelf of the unit below the handle The external source tank should be inverted so liquid refrigerant is supplied to the...

Page 14: ...me Press the Enter key to change the date Use the Left Right and Up Down keys to make adjustments Press the Enter key again to save the changes b Select Language Select the preferred Language c Select Units English or Metric English is the Default d Calibrate the Pressure Transducers Remove high and low side hoses from side of unit then follow on screen prompts to calibrate the pressure sensors e ...

Page 15: ...vehicle before starting the cleaning process It is illegal to knowingly vent or allow refrigerant to vent to the atmosphere This illegal venting will occur if the unit is left attached to the vehicle Please refer to your shop s policy for dealing with contaminated refrigerant 2 3 External Source Tank Testing The MAC2000 features an exclusive source tank refrigerant identification process that chec...

Page 16: ...Initial Set Up MAC2000 Notes Instruction 2072 0400 12 ...

Page 17: ...accurate the unit will perform a low side clearing routine if necessary when the power is turned on If refrigerant is sensed in the accumulator the screen will display Clearing System This indicates refrigerant in the accumulator is being transferred to the storage tank At any time during system operation pressing the Weight Convert key can change the weight units The available units are pounds on...

Page 18: ...ding the high and low side pressures ambient temperatures A C vent temperatures ambient humidity and optionally vent air flow velocities This information is used to diagnose and measure A C performance before and after service Next menu Displays Menu 2 Menu 2 Main System Tank System Next menu flush refill set up menu Main menu Returns display to the Main menu System flush Removes all oil and refri...

Page 19: ...he Snap Shot Mode WARNING Always wear eye protection and protective clothing when working with refrigerants Observe all warnings at the beginning of this manual Be sure the vehicle is in PARK before turning on the engine Provide adequate ventilation or pipe exhaust to outside Vehicle exhaust fumes can cause injury or death To assist in system diagnostics the MAC2000 s Snap Shot mode allows a techn...

Page 20: ...he rear A C vent The temperature is displayed as BLUE TEMPERATURE on the Snap Shot mode screen Anemometer optional The optional Anemometer measures airflow This sensor can be purchased separately Communications Port Used to connect the transmitter directly to the MAC2000 via a cable instead of transmitting data wirelessly This port is not normally used and requires a cable not included Enter the S...

Page 21: ...he display The snap shot display can now be used to monitor the performance of the vehicle s A C system 6 While in the snap shot mode the following operations can be performed Main Capture Reset Recover menu Print Main menu Returns display to the Main menu Capture Print Prints the following data Snap shot report Date May 18 2001 Time PM 02 14 Low PSI min 17 max 18 High PSI min 17 max 18 Duct Air F...

Page 22: ...identifier will warm up zero itself and then display the message Analyzing sample please wait If the refrigerant is contaminated meaning that it has somehow been mixed with some other kind of refrigerant the results will be displayed along with the word contaminated Note that the unit will not allow the recovery operation to proceed when refrigerant is contaminated If the refrigerant is found to m...

Page 23: ...until the unit completes its self diagnostics The screen will display Select mode when ready 2 Connect the high and low side service hoses to their respective service ports on the vehicle s A C system then open the A C system s service port valves 3 Press the Vacuum mode function key and observe that the screen reads Set VACUUM TIME now The minimum evacuation time is 3 minutes To change this time ...

Page 24: ...1 kg Other charge amounts can be entered in increments of either 0 06 pounds 1 ounce or 0 02 kg 1 If not already done plug the MAC2000 into a properly grounded AC outlet set the Power switch to ON then wait until the unit completes its self diagnostics The screen will display Select mode when ready 2 Press the Charge mode function key and observe that the message Hook up the service hoses to vehic...

Page 25: ...ide option on and off Important Charging liquid directly into the low side of the compressor could slug the compressor and cause permanent damage Check with the compressor manufacture before proceeding 5 The screen should now show the amount of refrigerant set for charging Press the Start key to begin the charging process During the charging process liquid refrigerant is drawn from the unit s inte...

Page 26: ...m and the MAC2000 where an oil separator removes the oil and returns oil free refrigerant back into the A C system for further flushing At the end of the cycle the refrigerant is completely removed from the A C system and stored in the unit s internal storage tank The flushing process can take up to 30 45 minutes to complete Because of the variety of A C system configurations currently in service ...

Page 27: ...ows Flushing Charging The system is now flushed for the time duration set in Step 5 during which time the screen shows Flushing system After the system is flushed all refrigerant is automatically recovered The screen shows Recovering refrigerant during this process The flush cycle completes by draining the oil that was removed during the flushing process into the unit s oil drain bottle see MAC200...

Page 28: ... display Menu 3 then press Refri Data to select the Refrigerant Management Mode The first screen displays the following information in the Last job refrigerant management data screen Date time Date and time the job was started Mode Lists what job was performed recovery charging vacuum or flush Run time Time it took to complete the job Status Describes whether the job was normally completed or inte...

Page 29: ...e and selecting Clear job history 3 8 Internal Tank Manual Refill When the MAC2000 remains turned ON during the day the unit automatically refills the internal tank with refrigerant from the external source tank An operator however can manually add refrigerant as follows 1 If not already done plug the MAC2000 into a properly grounded AC outlet set the Power switch to ON then wait until the unit co...

Page 30: ...ode when ready 2 Press the Next menu function key to display Menu 2 Then press the System set up function key 3 Follow the on screen prompts to enter the following data or perform the following procedures Time Date Language Use Metric units Yes or No Calibrate Pressure Transducers remove service hoses from the unit s Service Hose Fittings and follow on screen prompts Elevation above sea level Clea...

Page 31: ...le 6 Press Start to begin recovering the hoses During the recovery process the message Clearing hoses please wait is displayed After recovery is complete the Main menu will appear 3 11 Check Internal Tank for Air When the MAC2000 remains turned ON during the day air is automatically purged from the internal storage tank A technician however can manually check and purge the internal tank of air and...

Page 32: ...air Then press the Start key to begin purging air When complete the Main menu will appear Repeat Steps 2 3 and 4 until the percentage of air within the internal tank is at an acceptable level If the display shows Identifier result RECOVERABLE then the amount of air within the tank is at an acceptable level Press the Reset key to display the message Would you like to purge air Then press the Reset ...

Page 33: ...age tank is clean and moisture free The filter drier must be changed periodically to ensure that the system will work properly The MAC2000 will automatically indicate when the filter needs to be changed If the Change Filter message appears when the Recovery mode is selected it is best to complete that job before changing the filter drier Change Filter will be displayed on the screen whenever the r...

Page 34: ...begin evacuating the filter 4 When completely evacuated follow the on screen prompts and remove the old filter drier by unscrewing it counterclockwise Dispose of the used filter in a proper manner 5 Lubricate the O rings of a new filter drier with a light grease or saliva then hand tighten until it bottoms out 6 Press the Reset key after the new filter has been installed This will remove any air t...

Page 35: ...sed A technician may fill it immediately however by pressing the Next menu function key to display Menu 2 and then pressing the Tank refill function key to immediately begin filling the internal storage tank 4 3 Replacing the Printer Paper 1 Open the printer cover by first squeezing together the cover s two plastic latches and then pulling the cover forward 2 Remove the old paper roll core 3 Inser...

Page 36: ...trol panel directly under the Low Side pressure gauge The filter s function is to protect the refrigerant identifier sensor from contaminates When this filter starts to develop red spots replace the filter immediately 1 Remove the filter from its holder then remove the tubing from each end 2 Position the new filter so that its flow arrow points in the same direction as the flow arrow on the contro...

Page 37: ...Power Cord for Snap Shot Data Transmitter 2066 0040 Printer 2017 0080 Printer Paper 2075 0060 Sensors for Snap Shot Data Transmitter Anemometer air flow 2064 0010 Temperature blue 2062 0020 Temperature red 2062 0010 Service Coupler Red High Side 2022 1240 Service Coupler Blue Low Side 2022 1230 Service Hose Red High Side 2035 0170 Service Hose Blue Low Side 2035 0180 Snap Shot Data Transmitter 200...

Page 38: ... 334 5723 E mail help bacharach inc com Texas 5151 Mitchelldale B 4 Houston TX 77092 Phone 713 683 8141 Fax 713 683 9437 E mail txservice bacharach inc com Canada Bacharach of Canada Inc 151 Bentley Street Unit 6 Markham Ontario L3R 3X9 Canada Phone 905 470 8985 Fax 905 470 8963 E mail bachcan idirect com México Bacharach de México Playa Regatas No 473 Tercer Piso Col Militar Marte Delegación Izta...

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Page 40: ...rld Headquarters 621 Hunt Valley Circle New Kensington PA 15068 7074 Ph 724 334 5000 Fax 724 334 5001 Toll Free 1 800 736 4666 Website www bacharach inc com E mail help bacharach inc com Printed in U S A ...

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