Bacharach 2072-0400 Manuale

Instruction 2072-0400

Operation & Maintenance

Rev. 0 – March 2002

Product Leadership • Training • Service • Reliability

WARRANTY

Bacharach, Inc. warrants to Buyer that at the time of delivery this Product will be free from defects in material

and manufacture and will conform substantially to Bacharach Inc.’s applicable specifications. Bacharach’s

liability and Buyer’s remedy under this warranty are limited to the repair or replacement, at Bacharach’s

option, of this 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.

Bacharach, Inc. warrants to Buyer that it will convey good title to this Product. Bacharach’s liability and

Buyer’s remedy under this warranty of title are limited to the removal of any title defects or, at the election of

Bacharach, to the replacement of this Product or parts thereof that are defective in title.

THE FOREGOING WARRANTIES ARE EXCLUSIVE AND ARE GIVEN AND ACCEPTED IN LIEU OF (I)

ANY AND ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION

THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE:

AND (II) ANY 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 will be binding upon Bacharach, Inc. unless in writing, signed by a duly

authorized officer of Bacharach.

Note: The Filter Drier and Refrigerant Identifier Filter are considered consumable items, and are therefore not

covered under the terms of this warranty.

www.bacharach-inc.com

Notice:

Product improvements and enhancements are continuous; therefore the specifications and information

contained in this document may change without notice.

Bacharach, Inc. shall not be liable for errors contained herein or for incidental or consequential damages in

connection with the furnishing, performance, or use of this material.

No part of this document may be photocopied, reproduced, or translated to another language without the prior

written consent of Bacharach, Inc.

BACHARACH®is a registered trademark of Bacharach, Inc. All other trademarks, trade names,

service marks and logos referenced herein belong to their respective owners.

A Instruction 2072-0400

Contents MAC 2000

Table of Contents

1Introduction .......................................................................................................... 1

1.1 Glossary of Terms.....................................................................................................2

1.2 General Operating Guidelines.................................................................................2

1.3 Component Location and Description .....................................................................3

1.4 Using the Function Keys..........................................................................................7

1.5 Using the Up/Down, Increase, Decrease, and Back/Forward Arrow Keys............7

2Initial Set-Up ......................................................................................................... 9

2.1 Initial Set-Up Instructions ......................................................................................9

2.2 Checking Vehicles for Possible Contaminated Systems......................................11

2.3 External Source Tank Testing...............................................................................11

3Operation ............................................................................................................. 13

3.1 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

4Maintenance ........................................................................................................ 29

4.1 Changing the Filter Drier......................................................................................29

4.2 Replacing the External Source Tank ....................................................................30

4.3 Replacing the Printer Paper ..................................................................................31

4.4 Replacing the Refrigerant Identifier Filter...........................................................32

5Parts and Service ............................................................................................... 33

5.1 Parts........................................................................................................................33

5.2 Service Centers.......................................................................................................34

Instruction 2072-0400 i

MAC2000

SERIES: MAC2000 Refrigerant: 134a

KENT MOORE: J-055000

Air Conditioning and Refrigerant

Service Solution

WARNING

PRESSURIZED TANK CONTAINS LIQUID REFRIGERANT. OVERFILLING OF THE TANK MAY CAUSE

VIOLENT EXPLOSION AND POSSIBLE INJURY OR DEATH. Safety devices require the use of only authorized

refillable tanks. Refer to the instruction manual for tank specifications and ordering information. Do not recover

refrigerants in a non-refillable storage container! Regulations require refrigerant to be transported only in

specifically authorized containers.

ALL HOSES MAY CONTAIN LIQUID REFRIGERANT UNDER PRESSURE. Contact with refrigerant may cause

injury. Wear proper protective equipment, including safety goggles. Disconnect hoses with extreme caution.

HIGH VOLTAGE ELECTRICITY INSIDE PANELS. RISK OF ELECTRICAL SHOCK. Disconnect power before

service unit. Refer to the instruction manual.

TO REDUCE RISK OF FIRE,avoid the use of an extension cord. The extension cord may

overheat. If you must use an extension cord, the cord must be 14 AWG minimum and as short as possible. Do not

use this equipment in the vicinity of spilled or open containers of gasoline or other flammable substances.

Use this equipment in locations with mechanical ventilation that provides at least four air changes per hour or

locate the equipment at least 18 inches above the floor.

Make certain that all safety devices are functioning properly before operating the unit. Before operating, 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 not mix refrigerant types.

OPERATING NOTES

Change the filter-drier when the display shows Change Filter message. Follow the instructions for the changeover.

At temperatures exceeding 120 °F / °C, wait 10 minutes between recovery jobs.

R-134a WARNINGS!

Use the MAC2000 unit only with R-134a refrigerants. Cross-contamination with other refrigerant types will cause

severe damage to the A/C systems and to service tools and equipment. Do not mix refrigerant types through a

system or in the same container.

Avoid breathing A/C refrigerant and lubricant vapor mist. Exposure may irritate eyes, nose and throat. To remove

R-134a from the system, use service equipment certified to meet the requirements of SAE-J2210 (R-134a

recycling equipment). If accidental system discharge occurs, ventilate work area before resuming service.

HFC-134a service equipment or vehicle A/C systems should not be pressured tested or leak tested with

compressed air. 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 2072-0400ii

MAC2000 Introduction

1 Introduction

Important! These instructions are for qualified personnel, trained and

experienced in the handling of refrigerants. Federal and state laws

may require the licensing of refrigerant handling personnel. Failure to

follow proper operating procedures may cause personal injury and

equipment damage

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.

A large liquid crystal diode (LCD) display screen prompts the

technician for input and displays system status. An internal 30 pound

recovery tank and electronic scale ensure convenient refrigerant

storage and accurate refrigerant management.

Upon power up, the unit performs a self-test and, if necessary, a self-

evacuation routine. The technician may then select the specific

function 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.

Refrigerant is recovered into and charged out of an internal storage

tank. The MAC2000 unit automatically refills this tank with

refrigerant from an external source tank as needed in order to

maintain a constant 12–15 lbs (5.45–6.82kg) of refrigerant available

for charging. One quick connection is all that’s needed to replace the

source tank when it is empty.

Other time saving features include automatic air purge, single pass

recycling, and automatic oil drain. The unit also automatically clears

refrigerant from its high- and low-side hoses after every job. A red

light on top of the unit flashes whenever a process is complete or when

the unit needs attention from the technician.

The MAC2000 is ETL listed to UL standards and meets SAE

specifications for recycled refrigerant.

Instruction 2072-0400 1

Introduction MAC2000

1.1 Glossary of Terms

A/C Air conditioner or air conditioning

A/C System The vehicle’s air conditioning system

Unit The MAC2000 itself

Screen LCD Display

Contaminated Refrigerant that has been mixed with some

other type of refrigerant.

1.2 General Operating Guidelines

•The MAC2000 monitors the AC line voltage and disables itself if

the voltage drops below 100 VAC or rises above 135 VAC. An error

message will be displayed on screen when the line voltage is out of

tolerance. The unit must be turned OFF and then back ON to reset

the voltage monitoring circuitry. Extension cords must be a

minimum of 14 AWG and kept as short as possible.

Common causes for electrical problems 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

lost is automatically drained during recovery. A technician must

measure and record the lost amount of oil in order to know how

much new oil to add during charging. Refer to the A/C system

manufacturer’s service manuals for oil specifications. Dispose of

used oil properly.

•In general, it is best to leave the MAC2000 turned ON throughout

the workday. This allows the unit time to purge itself of air and

refill the internal storage tank. Turn the unit OFF at the end of the

day.

Instruction 2072-04002

MAC2000 Introduction

1.3 Component Location and Description

MAC2000 Control Panel

High Side Gauge – Shows the pressure in

the high side of the vehicle’s A/C system.

Low Side Gauge – Shows the pressure in

the low side of the vehicle’s A/C system.

LCD Display (Screen) – Displays all

operational, error, and maintenance

messages.

Refrigerant Identifier Filter – Protects the

refrigerant identifier sensor from

contaminants.

Printer – Provides a printed record of the

functions performed by the MAC2000. The

printer can print the record of the

MAC2000’s last operation as well as other

refrigerant management data and

operational statistics.

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.

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 to select

variables and adjust values such as

charge weight and vacuum time. The

Increase and Decrease keys are used to

adjust numerical values, while the Back,

Forward,Left and Right keys are used to

move between values displayed on the

screen.

F1 – F5 Function Keys – Use these keys to

select various modes and functions on the

MAC2000. A key’s current function is

described directly above it on the screen.

Instruction 2072-0400 3

Introduction MAC2000

Instruction 2072-04004

MAC2000 Front View

MAC2000 Right-Side View

MAC2000 Introduction

Instruction 2072-0400 5

MAC2000 Left-Side View

MAC2000 Back View

Introduction MAC2000

Instruction 2072-04006

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.

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