American Dryer Corp AD-25, AD-30 System Reset, NON-COIN S.A.F.E. System Check Procedure

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D.SENSOR ACTIVATED FIRE EXTINGUISHING (S.A.F.E.) SYSTEM THEORY OF OPERATION

While the dryer is in an idle state or 20-seconds after the heat turns off, the Phase 7 control monitors the S.A.F.E. system probe located in the top of the tumbler chamber and records the minimum temperature. If the minimum recorded S.A.F.E. system probe temperature is no less than 120° F (48° C) and the control detects a 50° rise in temperature, this will be the trip point and the S.A.F.E. system routine will activate.

While a drying cycle is in process and the heat has turned on at least once, the Phase 7 control monitors the exhaust temperature transducer. If the drying cycle temperature set point is set greater than 160° F (71° C) and the control detects an exhaust temperature rise 25° F greater than set point, this will be the trip point and the S.A.F.E. system routine will activate. If set point is below 160° F (71° C) the trip point will be 185° F (85° C).

Once the S.A.F.E. system routine is activated, water will be injected into the tumbler chamber. Anytime water is being injected into the tumbler; the tumbler drive will turn the load for 1-second every 15-seconds. This process will continue for a minimum of 2 minutes. After 2 minutes has elapsed, the control will check if the temperature remained above trip point, if so water will remain on. The control will continue to check if temperature is above trip point every 30-seconds. If the water has been on for a constant 10 minutes, the water will be turned off regardless of the temperature. If the temperature has dropped below trip point, the control will turn off the water prior to 10 minutes.

SYSTEM RESET

After the microprocessor determines that the situation is under control and shuts the water being injected into the tumbler off, the microprocessor display will read “S.A.F.E. System activated”, and the horn/tone will sound until reset manually.

To reset the microprocessor once the control displays “S.A.F.E. System activated”, press the red key on the keypad.

NON-COIN S.A.F.E. SYSTEM CHECK PROCEDURE

The operation of the water solenoid valve can be tested to ensure that the water supply system and valve are functional. Before attempting system check, be sure that ALL water supply shutoff valves to the dryer are in the OPEN position, and the dryer must be in the “READY” mode where no cycle is loaded or in progress.

The procedure is as follows:

1.Press and hold the RED STOP key (while in “READY” mode and no cycle in progress).

2.Press and hold the “A” key.

3.Water valve will open and water will be dispensed into tumbler area as long as both keys are held.

IMPORTANT: This is a test function only and the keys should be held and system activated for only a second or so, otherwise water will accumulate in various places in the dryer.

450268-1

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Contents AD-25, 30, 50, 75 Phase 7.2 Non-Coin Retain This Manual in a Safe Place for Future Reference Table of Contents Explosion could Result Safety PrecautionsCleaning Routine MaintenanceLubrication AdjustmentsENCLOSURE, AIR SUPPLY, and Exhaust Requirements Installation RequirementsElectrical and GAS Requirements Operational Service Check Procedure Control Panel Microprocessor Main Door SwitchControl BOX Computer Controls Lint Drawer Lint Drawer SwitchTumbler Idler Bearing Tumbler Bearing and Pulley ArrangementDrive Motor and Blower Motor GAS Burner Temperature Sensor Computer ControlsSteam Damper System Compressed AIR Requirements Sail Switch Electric and GAS ModelsElectric Oven NON-REVERSING Contactor 3Ø MOT or Motor Contactor 1Ø MOT orReversing Relay Panel HI-LIMIT Thermostat GAS and Electric Models only Controls Computer To Replace Control Panel AssemblyTo Replace Keypad Refer to illustration above To Replace ComputerTo Replace Motor Contactor 3-POLE, 24 VAC To Replace Computer Temperature Sensor ProbeTo Replace Spark Ignitor Burner Controls GASTo Replace GAS Valve To Test and Adjust GAS Water Column W.C. PressureTo Replace Main Burner Orifices American Dryer Corp 450268-1 Are Made of BRASS, Which is Easily Damaged To Convert from Natural to Liquid Propane L.P. GASTo Replace Direct Spark Ignition DSI Module To Replace Burner TubesSteam Controls InstallationTo Replace Piston To Replace Steam Coil Damper SystemTo Replace the 3-WAY Microvalve To Replace the Needle ValveTo Replace Steam Coil To Replace Electrical Elements Electrical Oven ControlsTo Replace Oven Contactor To Replace HI-LIMIT Thermostat 330º GAS, 290º Electric Thermostats and Temperature SensorTo Replace Sail Switch Sail Switch Assembly GAS and Electric ModelsTo Replace Main Door Switch To Adjust Sail SwitchFront Panel and Main Door Assemblies To Install NEW Main Door Glass To Replace Main Door AssemblyTo Replace Front Panel To Replace the Nylon Catch To Replace Main Door HingeTo Replace Tumbler Pulley NON-REVERSING Tumbler and Bearing AssemblyTo Replace Tumbler Pulley Reversing To Replace the Front Tumbler Bearing To Replace the Rear Tumbler BearingTo Replace Idler Pulley Idler and Bearing AssemblyTo Replace Idler Bearing Tumbler Alignment Vertical Drive PulleyTumbler Alignment Lateral To Replace the Tumbler AND/OR Tumbler Support Belts Belt Tension Adjustment Tumbler to IdlerBelt Tension Alignment Motor to Idler Impellor MotorTo Replace V-BELTS To Replace Motor NON-REVERSINGTo Replace Lint Screen Lint Drawer ScreenTroubleshooting Diagnostic L.E.D. Display Fault Messages Phase 7 NON-COIN System DiagnosticsINPUT/OUTPUT Board Light Emitting Diode L.E.D. Indicators American Dryer Corp 450268-1 Display reads Exhaust High Limit Fault. Refer to Display reads Sail Switch Closed Fault. Refer to 450268-1 Display reads Cycle Paused, Main Door Open. Refer to 450268-1 American Dryer Corp 450268-1 450268-1 American Dryer Corp 450268-1 450268-1 American Dryer Corp 450268-1 450268-1 Data Label Data Label InformationHOW to USE a Manometer Using a ManometerKeypad Layout NON-COIN S.A.F.E. System Check Procedure System ResetILLUS. #1 Static PressureILLUS. #2 Using a MagnehelicILLUS. #3 American Dryer Corp 450268-1 450268-1 ADC Part No 1 10/26/05

AD-25, AD-30 specifications

American Dryer Corporation (ADC) has long been a trusted name in the commercial laundry equipment industry. Among their notable offerings are the AD-30 and AD-25 dryers, which are engineered to provide exceptional performance, reliability, and efficiency.

The AD-30 dryer is designed for high-capacity laundry operations, making it an ideal choice for large businesses such as hotels, hospitals, and laundromats. With a maximum drying capacity of 30 pounds, the AD-30 features a robust construction that can withstand the demands of heavy usage. Its powerful airflow technology ensures quick drying times, improving productivity and minimizing energy consumption. The dryer is equipped with a microprocessor control that offers multiple cycle options and customizable settings, allowing operators to tailor each drying cycle based on the specific fabric types being processed.

On the other hand, the AD-25 serves smaller operations with a capacity of 25 pounds, making it an efficient choice for businesses with moderate laundry needs. Similar to the AD-30, it incorporates advanced airflow technology to enhance drying efficiency. The AD-25 also features easy-to-use controls and programmable settings, providing flexibility for various drying requirements. Both models come with an easy-to-clean lint filter that helps maintain optimal air quality and prolongs the life of the machine.

In terms of construction, both dryers are built with durability in mind. Their stainless steel exteriors are not only aesthetically pleasing but also resistant to corrosion, ensuring they remain in good condition over time. The design of these dryers incorporates vibration reduction systems to minimize noise during operation, contributing to a more pleasant working environment.

Energy efficiency is a hallmark of American Dryer Corp products, and both the AD-30 and AD-25 are no exception. They are designed to consume minimal energy while delivering maximum drying performance, which can lead to significant cost savings over time. Additionally, the dryers are engineered with safety features, including over-temperature protection and a non-reversible door to prevent accidents.

In summary, American Dryer Corp's AD-30 and AD-25 dryers exemplify the brands' commitment to providing quality, efficiency, and reliability in commercial laundry operations. With their advanced technologies and user-friendly features, these dryers are well-equipped to meet the diverse needs of the laundry industry.
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