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ACL2500
Refrigerant
Leak Detector
Owner’s Manual
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THIS MODEL IS: DESIGN CERTIFIED BY MET LABORATORIES, INC. TO MEET SAE J1627 FOR R134a, R12 AND R22. CLASS 1 DIVISION 2 GROUPS C & D HAZARDOUS LOCATIONS HAND HELD GAS DETECTOR CLASSIFIED BY C US UNDERWRITERS LABORATORIES, INC.® AS TO FIRE ELECTRICAL SHOCK AND EXPLOSION HAZARDS ONLY. READ OWNERS MANUAL BE- FORE OPERATING. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,DE-ENER- GIZE UNIT BEFORE REPLAC- ING SENSING TIP OR SERVIC- ING UNIT, USE ONLY WITH 1.5V ALKALINE BATTERIES, SIZE C.
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TABLE OF CONTENTS General Information......................................................2 Features........................................................................2 Parts & Controls ..........................................................3 Getting Started..............................................................4 Installing Batteries ..................................................4 Operating Features ......................................................4 Battery Indicator ...
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GENERAL INFORMATION Thank you for purchasing the MAC TOOLS Refeigerant Leak Detector. The ACL2500 is the most stable and sensitive negative corona Leak Detector ever made. An advanced microprocessor is the heart of this unit. Its Digital Signal Processing permits better management of the circuitry and sensing tip signal than ever before possible. Additionally, the number of components used in the circuit is reduced near- ly 40%, increasing reliability and performance. The microprocessor monitors
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PARTS & CONTROLS KEYPAD 10 9 6 7 5 8 3 4 7 6 8 5 3 4 2 1 1. Sensing Tip 2. Tip Protector 3. Power On/OFF 4. Battery Test 5. Reset Button 6. Audio Mute 7. Sensitivity Up 8. Sensitivity Down 9. LED Leak Indicators 10. Flexible Probe 3
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GETTING STARTED Installing Batteries 1. Remove the battery compartment door located on the bottom of the instrument, as shown below. Install batteries, Positive Polarity inwarels (towards the unit). (See figure 2). Fig. 2 OPERATING FEATURES Power Indication/Battery Test The ACL2500 provides two indications of battery voltage status; a Constant Power indicator (leftmost LED) and a Battery Test function. The Constant Power indicator allows the user to see the battery level at all times. The LE
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OPERATING FEATURES • Battery Test Function. This feature is activated by pressing the Battery Test key. When pressed, the LED’s will display a three color bargraph indication of true battery voltage (See Fig. 4). The LED’s correspond to voltage as shown in the figure. Not all LEDs will always be on; the number of LEDs on, indicate the voltage level. 2.5V 2.6V 2.65V 2.7V 2.8V 2.9V 3.0V Red Orange Green Fig. 4 BATTERY TEST DISPLAY The battery voltage display will remain as long as the BATTERY TES
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OPERATING FEATURES When the unit is switched on, it is set to sensitivity level 5. 1. To adjust the sensitivity, press the SENSITIVITYa or SENSITIVITYb key. When the key is pressed, the visual display will show the LED’s red. The number of LED’s lit, indicates the level (See Fig 5). Level one (lowest sensitivity) is shown by the leftmost LED. Counting from left, levels 2 through 7 are indicated by the corresponding number of red LED’s; i.e. level 7 is shown by all LED’s lit. 2. Pressing the SENS
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OPERATING INSTRUCTIONS OPERATION: 1. Switch the unit on by pressing the ON/OFF key. The display will illuminate with the reset indication (Left LED green, all others Orange) for 2 seconds. 2. Verify the battery level by observing the constant power indicator (see above). 3. Upon turn on, the unit is set to sensitivity level 5. A rapid, but steady beep rate will be heard. If desired, the sensitivity can be adjusted by pressing the SENSI- TIVITYa or SENSITIVITYb key, as described above. 4. Begin
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OPERATING TIPS 2. Take care not to contaminate the detector probe tip if the part being tested is contaminated. If the part is particularly dirty, or condensate (moisture) is present, it should be wiped off with a dry shop towel or blown off with shop air. No clean- ers or solvents should be used, since the detector may be sensitive to their ingredients. 3. Visually trace the entire refrigerant system, and look for signs of air conditioning lubricant leakage, damage, and corrosion on all lines,
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OPERATING TIPS All Systems - 8. Following any service to the refrigerant system and any other service which dis- turbs the refrigerant system, a leak test of the repair and of the service ports of the refrigerant system should be done. APPLICATIONS The ACL2500 Leak Detector may also be used to: • Detect leaks in other systems and storage/recovery containers. It will respond to ALL halogenated (contains Chlorine or Fluorine) refrigerants. This includes, but is not limited to: CFCs e.g. R12,R11,R5
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MAINTENANCE 3. If the tip itself is dirty it can be cleaned by immersing in a mild solvent, such as alcohol, for a few seconds, and then using compressed air and/or a shop towel to clean. NOTE: Never use solvents such as gasoline, turpentine, mineral spirits, etc... as these will leave a detectable residue and desensitize your unit. Sensing tip replacement: The tip will eventually wear out and require replace- ment. It is difficult to predict exactly when this will occur since tip longevity is
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SPECIFICATIONS Power Supply: 3V DC; two “C” cell Alkaline batteries Maximum Sensitivity: Per SAE J1627 Rating Criteria; Certified for R12, R22 and R134a @ 0.5 oz/yr. (14gr/yr) Ultimate sensitivity: less than 0.1 oz/yr (3 gr/yr) for all Halogen based refrigerants. Sensing Tip Life: Approx. 20 hours Operating Temperature: 30° to 125° F (0°to 52° C) Battery Life: Approximately 30 hours normal use Duty Cycle: Continuous, no limitation Response Time: Instantaneous Reset Time: One second Wa
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Designed & Engineered in the USA Manufactured in China Toll Free Customer Service: 1-800-327-5060 100839ACL RevA
