Replacement Parts
and EN14624
Item Part Number
Sensor with Filter
Filter Kit
Test Vial
Carrying Case
Instruction Manual
RETURN FOR REPAIR POLICY
Every effort has been made to provide reliable, superior quality
products. However, in the event your instrument requires repair,
forward unit to 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
WARRANTY POLICY
The ATD3699 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 including an industry first two year
warranty on the sensor. 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.
PRT3700-01
PRT3700-02
PRT3700-03
PRT3699-CASE
PM-MAN0010
Refrigerant Gas Leak Detector
Detects all CFC, HFC, HCFC
Refrigerants including blends
Model ATD3699
User Manual
Design Certified to meet
SAE J2791
For R134a
INTRODUCTION
Cross Sensitivity to Automotive Chemicals
Some automotive solvents and chemicals have similar hydrocarbon properties as R134a and
. Before leak checking, clean
The ATD3699 features a long life heated sensor technology that is
designed to detect the more current and difficult HFC refrigerants
such as R-134a, R-410a, R-407c, R-507, and R-404c in addition to
all HCFC (R22) and CFC (R12) refrigerants including SNAP
approved hydrocarbon blends.
The ATD3699’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 ATD3699 does not require rechargeable batteries.
• Unique numeric leak size
• R134a sensitivity .05 oz/yr
• Certified to meet new SAE
• Visual LED leak alarm near
Indicator
2791 standard
FEATURES
• Long life, stable sensor
• R22 sensitivity .025 oz/yr
• Automatic calibration and
reset to ambient
• 3 adjustable sensitivity levels
sensor
• Low battery indicator
• Audio mute function
• SAE J1627 Certified
• Garage Tough
• 2- year warranty including 2
• True mechanical pump
• Uses 4 AA alkaline batteries
• Comfortable Sanoprene grip
• CE Certified
• Made in USA
years for the sensor
1
Minimum/Maximum Sensitivity Threshold (fixed) 1 gm/yr minimum, >50 gm/yr maximum
Minimum/Maximum Sensitivity Threshold (moving) 3 gm/yr minimum, > 50 gm/yr maximum
Minimum Detection Time (1gm/yr) Approx 1 sec
Clearing Time Approx 9 seconds after exposure to >50
Minimum Threshold after Maximum Exposure 1 gm/yr
Sensitivity Threshold in Polluted Atmosphere 1 gm/yr
Calibration Frequency 1/yr check with calibrated leak Standard
may elicit a positive response (<30 seconds) from the ATD3699
up any chemicals in the list below that elicit a positive response.
Dextron Transmission fluid heated to 160 ºF N N/A
Quaker State Motor Oil heated to 160 ºF N N/A
Rain-X Windshield Wash Fluid N N/A
Ford silicone lubricant N N/A
Ford Rust Inhibitor (when wet) Y Yes
Ford Gasket Adhesive (when wet) Y Yes
Loctite Natural Blue degreaser (undiluted) Y Yes
Ford Brake Parts Cleaner (when wet) Y
Ford Silicone Rubber (when uncured) Y Yes
Motorcraft Antifreeze heated to 160 ºF Y Yes
Gunk liquid wrench (when wet) Y Yes
Ford Spot Remover (when wet) Y Yes
Ford Pumice lotion (with mineral solvent) Y Yes
Ford Motorcraft brake fluid Y Yes
Ford Carburetor Cleaner (when wet) Y Yes
Model # ATD3699
Name Leak Detector, Refrigerant Gas
Sensitivity
Sensor Life > 300 hours
Response Time Instantaneous
Power Supply 4 AA Alkaline batteries
Battery Life 8 hours continuous
Warm up time < 20 seconds
Probe length 17 inches
Numerical Display 7 segment digital display (1 to 9)
Weight, lbs 1.5 lbs
Warranty 2 years (includes sensor)
Brand/Chemical Name Response
Product Specifications
EN14624/2005 Test Specifications
.05 oz/yr R134a
.025 oz/yr R22
gm/yr
Clears
<30 seconds
Yes
6
Maintenance
Filter
Keyway
alignment
Batteries:
Remove screw located at rear end of unit and
pull down hinged battery door to open as shown. Always insert all
ies into the battery compartment in the same direction.
Note polarity mark on the inside of the battery door for proper
: Unscrew sensor tip as shown to replace filter.
bly dirty or every 2 to 3
Install
the new sensor by aligning the notch in sensor cover with the raised
sensor into socket. Misalignment can
Press the ON/OFF button once to turn on and again
: The detector automatically starts heating the sensor.
and the detector will sound a slow “beep”. Warm up is usually
: The detector is ready to begin searching for leaks when
he
audio “beep” increases in frequency and probe LED begins to
Digital Leak Size
Low Battery
Indicator
Sensitivity Level
Audio Mute &
Sensitivity Level
Power
Install Batteries:
four batter
battery orientation.
Polarity Mark
Sensor:
Replace Filter
Replace filter whenever it becomes visi
months depending on use.
Replace Sensor: Remove sensor by pulling out of socket.
keyway on sensor socket holder (see figure below).
Note: Do not force
damage the sensor pins.
Push straight on (do not
Unscrew tip to
replace filter
twist) to install sensor
ATD3699 Control Panel
Indicator
On/Off
Operating Instructions
1. TURN ON:
to turn off.
2. WARM UP
During the heating cycle, the digital leak size indicator will flash 0
Pull straight out (do not
5
less than 20 seconds.
3. READY
the flashing 0 stops and the green sensitivity LED turns on. T
blink steadily.
2
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)
1 -3 < 0.1
4-6 0.1 to 0.5
7-9 >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:
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.
NOTE: Always remember to replace plastic seal cap after
leak test is completed. Replace Test Vial when the green
color is no longer visible.
Remove
Seal Cap
To test
Leak Test Vial
3
4
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