American Dryer Corp AD-25, AD-30 service manual Thermostats and Temperature Sensor

Page 29

E. THERMOSTATS AND TEMPERATURE SENSOR

TO REPLACE HI-LIMIT THERMOSTAT (330º GAS, 290º ELECTRIC)

This thermostat is an important safety device serving as an added protection against failure of the air sail switch to open in the event of motor failure or reduced airflow condition.

IMPORTANT: UNDER NO CIRCUMSTANCES should heat circuit safety devices ever be

disabled.

1. Discontinue power to the dryer.

2. Disconnect wires from hi-limit thermostat.

3. Remove screw, washer, and nut securing thermostat to the bracket. Remove thermostat.

4. Reverse procedure for installing new thermostat.

TO REMOVE THE TEMPERATURE SENSOR OR HIGH HEAT PROTECTOR (MICROPROCESSOR MODELS)

1. High Heat Protector

a. Discontinue power to the dryer.

b. Open and remove the lint door.

c. Locate temperature sensor bracket assembly under tumbler. Loosen the two

MAN1019

(2) Phillips head screws. Disconnect the connector.

d.Slide bracket toward rear of the dryer and remove the bracket assembly from the dryer.

e.At this point, you have access to remove either the high heat protector or the temperature sensor.

f.To remove the high heat protection, remove the two (2) screws, washers, and nuts holding the high heat protector in place.

g.Remove the high heat protector.

h.Reverse procedure for installation of the new high heat protector.

450268-1

www.amdry.com

29

Page 28 Page 30
Image 29
Page 28 Page 30
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 BOX Computer Controls Main Door SwitchControl Panel Microprocessor Tumbler Lint Drawer SwitchLint Drawer Drive Motor and Blower Motor Tumbler Bearing and Pulley ArrangementIdler Bearing Steam Damper System Temperature Sensor Computer ControlsGAS Burner Electric Oven Sail Switch Electric and GAS ModelsCompressed AIR Requirements Reversing Relay Panel Motor Contactor 1Ø MOT orNON-REVERSING Contactor 3Ø MOT or 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 Main Burner Orifices To Test and Adjust GAS Water Column W.C. PressureTo Replace GAS Valve 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 Steam Coil To Replace the Needle ValveTo Replace the 3-WAY Microvalve To Replace Oven Contactor Electrical Oven ControlsTo Replace Electrical Elements To Replace HI-LIMIT Thermostat 330º GAS, 290º Electric Thermostats and Temperature SensorTo Replace Sail Switch Sail Switch Assembly GAS and Electric ModelsFront Panel and Main Door Assemblies To Adjust Sail SwitchTo Replace Main Door Switch To Replace Front Panel To Replace Main Door AssemblyTo Install NEW Main Door Glass To Replace the Nylon Catch To Replace Main Door HingeTo Replace Tumbler Pulley Reversing Tumbler and Bearing AssemblyTo Replace Tumbler Pulley NON-REVERSING To Replace the Front Tumbler Bearing To Replace the Rear Tumbler BearingTo Replace Idler Bearing Idler and Bearing AssemblyTo Replace Idler Pulley Tumbler Alignment Vertical Drive PulleyTumbler Alignment Lateral To Replace the Tumbler AND/OR Tumbler Support Belt Tension Alignment Motor to Idler Belt Tension Adjustment Tumbler to IdlerBelts 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. #3 Using a MagnehelicILLUS. #2 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.
Top Page Image Contents