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Bacharach 2072-0400 Operating And Maintenance Instructions Manual

Bacharach air conditioner user manual
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Instruction 2072-0400
Operation & Maintenance
Rev. 0 – March 2002
Product Leadership • Training • Service • Reliability

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Summary of Contents for Bacharach 2072-0400

  • Page 1 Instruction 2072-0400 Operation & Maintenance Rev. 0 – March 2002 Product Leadership • Training • Service • Reliability...
  • Page 2 Product or parts thereof returned to Seller at the factory of manufacture and shown to Bacharach Inc.’s reasonable satisfaction to have been defective; provided that written notice of the defect shall have been given by Buyer to Bacharach Inc. within one (1) year after the date of delivery of this Product by Bacharach, Inc.

  • Page 3: Table Of Contents

    3.11 Check Internal Tank for Air ...27 Maintenance ... 29 Changing the Filter Drier ...29 Replacing the External Source Tank ...30 Replacing the Printer Paper ...31 Replacing the Refrigerant Identifier Filter...32 Parts and Service ... 33 Parts...33 Service Centers...34 Instruction 2072-0400 MAC 2000...
  • Page 4 Some mixtures of air/HFC-134a have been shown to be combustible at elevated pressures. These mixtures are potentially dangerous and may result in fire or explosion causing injury or property damage. Additional health and safety information may be obtained from refrigerant and lubricant manufacturers. Instruction 2072-0400...

  • Page 5: Introduction

    The Bacharach Test System’s Mobile Air Conditioning MAC2000 is the most advanced refrigerant management system on the market today. It is a complete automotive A/C service tool that will identify, recover, recycle, flush and troubleshoot automotive R-134a A/C systems in a fully automatic manner.

  • Page 6: Glossary Of Terms

    Turn the unit OFF at the end of the day. Air conditioner or air conditioning The vehicle’s air conditioning system The MAC2000 itself LCD Display Refrigerant that has been mixed with some other type of refrigerant. MAC2000 Instruction 2072-0400...

  • Page 7: Component Location And Description

    Start 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. Instruction 2072-0400 MAC2000 Control Panel Enter Key – Press to accept a value as displayed on the screen.
  • Page 8 Introduction MAC2000 MAC2000 Front View MAC2000 Right-Side View Instruction 2072-0400...
  • Page 9 MAC2000 Introduction MAC2000 Left-Side View MAC2000 Back View Instruction 2072-0400...
  • Page 10 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. MAC2000 Instruction 2072-0400...

  • Page 11: Using The Function Keys

    Pressing the Up/Down and Back/Forward keys moves the cursor on the screen in that direction. In addition, when entering numeric data, pressing the Increase key will increase the number, while pressing the Decrease key will decrease the number. Instruction 2072-0400 Introduction...
  • Page 12 Introduction MAC2000 Notes: Instruction 2072-0400...

  • Page 13: Initial Set-Up

    The MAC2000 can handle 30 lb (14kg) or 50 lb (23kg) commercial tanks. Secure the tank to the unit by placing the strap around the tank and tightening it. WARNING: Failure to secure the source tank properly could result in injury! Instruction 2072-0400 WARNING Initial Set-Up...
  • Page 14 Section 3.8. Bacharach Test Systems does not reimburse for lost refrigerant. Attach the unit’s power cord to 115VAC 50/60 Hz, 15 Amp grounded outlet.

  • Page 15: Checking Vehicles For Possible Contaminated Systems

    This testing is automatic and does not require any action by the technician. This feature prevents contaminated refrigerant from entering the MAC2000, thus rendering it inoperable. Instruction 2072-0400 Initial Set-Up...
  • Page 16 Initial Set-Up MAC2000 Notes: Instruction 2072-0400...

  • Page 17: Operation

    Section 1.5 on Page 7.) Shows the date, time, ambient temperature, RH%, AC line voltage, low- and high-side pressures, and the amount of refrigerant available for charging. Use the function keys (F1 – F5) to select the desired mode as described in the following paragraphs. Instruction 2072-0400 Operation...
  • Page 18 MAC2000 to operate correctly. The set-up information must be entered prior to operating the MAC2000. • Next menu – Displays Menu 3. Vacuum Charge Snapshot mode mode mode System Tank System flush refill set-up MAC2000 Next menu Next menu Instruction 2072-0400...

  • Page 19: Diagnosing A/C System Operation Using The Snap-Shot Mode

    Ambient Temperature & Humidity Low Side System Pressure, minimum and maximum values High Side System Pressure, minimum and maximum values Front Duct Temperature, minimum value Rear Duct Temperature, minimum value Refrigerant Identifier Results Instruction 2072-0400 Identify Check Refri mode tank air...
  • Page 20 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. Press the Snapshot mode function key to select the Snap-Shot mode. Snap-Shot Transmitter MAC2000 Instruction 2072-0400...
  • Page 21 RECOVERABLE R134a: R-22: AIR: ---Snap-shot encrypted code--- • Reset Values – Resets and begins tracking new min. and max. values. • Recover – Starts a recovery operation. Instruction 2072-0400 Capture Reset (Print) ---Snap-shot report-- :May 18, 2001 :PM 02:14 :(min)

  • Page 22: Recovery Mode

    The unit’s red light flashes and the beeper sounds, signaling the technician that recovery is complete. The screen reads “Recovery complete” and shows the weight of the recovered refrigerant. System oil is automatically drained into the oil drain bottle (see MAC2000 Left-Side View, Page 5). MAC2000 Instruction 2072-0400...

  • Page 23: Vacuum Mode (Evacuation)

    The evacuation process continues for the amount of time set in Step 3. If a vacuum level of at least 27 inHg is not achieved within the prescribed time, the evacuation process automatically continues for a maximum of 7 minutes, or until 27 inHg is Instruction 2072-0400 Operation...

  • Page 24: Charge Mode

    If the A/C system needs to be “topped off,” first ensure that the service hoses are disconnected from the vehicle; then either recover the hoses per Section 3.3 if they contain refrigerant, or evacuate the hoses per Section 3.4 if they contain air. MAC2000 Instruction 2072-0400...
  • Page 25 When charging is complete, the red light and beeper signal that the process is complete. The MAC2000 automatically goes into the Snap-Shot mode, thus allowing a technician to obtain an after- service snap-shot of important operating parameters of the A/C system. Refer to Section 3.2 for details. Instruction 2072-0400 Operation...

  • Page 26: System Flush Mode (Oil Flush)

    TXV valve before continuing. If not already done, connect the high- and low-side service hoses to their respective service ports, and ensure that the service-port valves are open. MAC2000 Instruction 2072-0400...
  • Page 27 The screen now reminds the technician to remove the inline flushing adapter, and to reinstall the orifice tube or TXV valve. Evacuate and then recharge the A/C system per Sections 3.4 and 3.5. Instruction 2072-0400 Operation...

  • Page 28: Refrigerant Management System

    • Total Vacuum...Time spent doing evacuation and number of times • Total Charge ...Time spent charging and number of times it was vacuum, or flush or interrupted source tank to the internal storage tank jobs that were performed was performed it was performed performed MAC2000 Instruction 2072-0400...

  • Page 29: Internal Tank Manual Refill

    When the internal tank is filled, the screen displays “Tank refill complete.” Press the Reset key to return to the Main menu. Instruction 2072-0400 performed external virgin tank to the internal storage tank the Filter Dryer needs replaced...

  • Page 30: System Set Up

    Before performing any maintenance work a technician can determine the following information about the vehicle’s refrigerant Whether the refrigerant in the A/C system can or cannot be recovered % R-134a % R-22 % R12 % Air % HC (Hydrocarbons) MAC2000 Instruction 2072-0400...

  • Page 31: 3.11 Check Internal Tank For Air

    Check Tank Air function key. Press the Start key. The refrigerant identifier will first warm up, zero itself, and then display the message “Analyzing sample, please wait …” When complete, the results of the identification process will be displayed. Instruction 2072-0400 Operation...
  • Page 32 Press the Reset key to display the message “Would you like to purge air?” Then press the Reset key again to return to the Main menu. MAC2000 Instruction 2072-0400...

  • Page 33: Maintenance

    • Replacing the printer paper • Replacing the refrigerant identifier filter All other maintenance should be performed by an authorized Bacharach Service Center (Section 5.2). Changing the Filter Drier The MAC2000 has a unique filtering system that ensures the refrigerant transferred to the storage tank is clean and moisture-free.

  • Page 34: Replacing The External Source Tank

    The internal storage tank contains enough refrigerant for several jobs, but it’s important to replace the external source tank soon after the message “Source Tank empty” is displayed so that the internal storage tank isn’t depleted during a charge operation. MAC2000 Instruction 2072-0400...

  • Page 35: Replacing The Printer Paper

    Close the printer cover. Press and hold the feed button to ensure that the paper feeds properly; then tear off the excess paper. Instruction 2072-0400 Maintenance...

  • Page 36: Replacing The Refrigerant Identifier Filter

    Position the new filter so that its flow-arrow points in the same direction as the flow-arrow on the control panel. Attach the tubing to the new filter, and press the filter back into its holder. MAC2000 Instruction 2072-0400...

  • Page 37: Parts And Service

    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...2001-0001 Instruction 2072-0400 Parts and Service...

  • Page 38: Service Centers

    Parts and Service Service Centers Service and replacement parts can be obtained by contacting a Bacharach Service Center at the following locations: California 7281 Garden Grove Blvd., Suite H Garden Grove, CA 92841 Phone: 714-895-0050 Fax: 714-895-7950 E-mail: calservice@bacharach-inc.com Indiana...
  • Page 40 World 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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