Model ATD-3700 Refrigerant Gas Leak Detector User Manual
Contents
1. RETURN FOR REPAIR POLICY Every effort has been made to provide reliable superior quality products However if you have any problems with this unit PLEASE call the 1 800 number listed below for troubleshooting assistance before returning the product for repair or exchange In the event your instrument requires repair you can forward the unit to the Service Center freight prepaid to the address below with return address phone number and or email address SERVICE CENTER 2651 W 81st Street Hialeah FL 33016 1 800 222 0956 WARRANTY POLICY The ATD 3700 Refrigerant Gas Leak Detector is warranted to be free of defects in materials and workmanship for a period of two years from the date of purchase This warranty applies to all repairable instruments that have not been tampered with or damaged through improper use including unauthorized opening of the unit Please ship warranty units that require repair freight prepaid to Service Center along with proof of purchase return address phone number and or email address D oot ANCE i AP ATD TOOLS www atdtools com Model ATD 3700 Refrigerant Gas Leak Detector Detects all CFC HFC HCFC Refrigerants including blends User Manual C SAE J1627 INTRODUCTION The ATD 3700 features a long life heated sensor technology that is designed to detect the more current and difficult HFC refrigerants such as R 134a in addition to all HCFC R22 and CFC R12 refrigera2. 1 Remove the plastic seal cap on top of the Leak Test Vial by pulling it off see fig below 2 Turn on the detector and allow the unit to complete the warm up cycle 3 Place the sensor close to the small hole in the top of the Leak Test Vial The beep rate should increase and the Digital Leak Size Indicator should display a number from 4 6 indicating that the sensor and electronics are working properly Remove I Seal Cap To test g lt Leak Test Vial NOTE Always remember to replace plastic seal cap after leak test is completed Replace Test Vial when the green color is no longer visible
3. begins to blink steadily Leak Size Indicator The digital leak size indicator remains off normally but once a leak is detected a number from 1 9 will be displayed for all HFC and HCFC refrigerants regardless of the sensitivity setting The number will continue to increase or decrease depending on the amount of refrigerant sensed The maximum value will be displayed once the leak source has been located The table below can be used to approximate the size of leak Maximum displayed Leak Size oz yr i e 1 3 lt 0 1 0 1 to 0 5 Low Battery Indicator Replace the 4 AA Alkaline batteries when the red LED on the control panel is lit Follow battery installation instructions under Maintenance section Audio Mute Function To silence or mute the audio beep and alarm signal press the MUTE button To restore the audio sound press the MUTE button again Note a few seconds is required to restore sound if the mute button is pressed in rapid succession Adjusting Sensitivity Levels The Leak Detector will default to the NORM sensitivity level automatically once the unit comes out of the warm up cycle and the green LED will turn on To change sensitivity levels press the SENS once for HI sensitivity red LED will turn on and again for LO sensitivity yellow LED will turn on Leak Test Vial The leak detector comes with a Leak Test Vial that allows the user to make sure the detector is performing properly To test
4. nts including SNAP approved hydrocarbon blends The ATD 3700 s unique digital leak size indicator takes the guesswork out of whether or not to repair a small leak The digital display is independent from the audio alarm and sensitivity level allowing the precise pinpointing of the leak source The ATD 3700 does not require rechargeable batteries An optional detachable UV light will soon be available that clips on to the probe to allow both electronic or UV detection with one tool FEATURES e Unique numeric leak size e Long life stable sensor Indicator e R134a sensitivity 05 oz yr e R22 sensitivity 025 oZ yr e Designed to meet new SAE e Automatic calibration and 2 91 standard reset to ambient e Visual LED leak alarm near e 3 adjustable sensitivity levels sensor e Low battery indicator e True mechanical pump e Audio mute function e Uses 4 AA alkaline batteries e SAE J1627 Certifiable e Bright 3 LED detachable UV e CE Certified light optional e Comfortable Sanoprene grip e 2 year warranty includes e Made in USA sensor Replacement Parts mem o o Pan Number PRT3700 01 Sensor filters 5 pack PRT3700 02 ial amp fi it PRT3700 03 Parts Kit PRT3 700 04 includes sensor test vial amp filter kit PRT3700 05 Product Specifications Name beak Detector Retrigerant Gas Numerical Display Maintenance Batteries Install Batteries Remove screw located at rear end of unit and pull down hinged bat
5. tery door to open as shown Insert positive battery end towards the front of the battery compartment ae Q Sensor Replace Filter Unscrew sensor tip as shown to replace filter Replace filter whenever it becomes visibly dirty or every 2 to 3 months depending on use Replace Sensor Remove sensor by pulling out of socket Install the new sensor by aligning the notch in sensor cover with the raised keyway on sensor socket holder see figure below Note Do not force sensor into socket Misalignment can damage the sensor pins Push straight on do not Unscrew tip to fite Mist to install sensor _ Keyway alignment replace filter l Pull straight out do not twist to remove sensor ATD 3700 Control Panel ATD 3700 Digital Leak Size Indicator Leak Size Low Battery LOW BAT Indicator LO NORM H lt Sensitivity Level Mute Sens Audio Mute amp Sensitivity Level O Power On Off Operating Instructions TURN ON Press the ON OFF button once to turn on and again to turn off WARM UP The detector automatically starts heating the sensor During the heating cycle the digital leak size indicator will flash 8 and the detector will sound a slow beep Warm up is usually less than 20 seconds READY The detector is ready to begin searching for leaks when the flashing 8 stops and the green sensitivity LED turns on The audio beep increases in frequency and probe LED
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