American Dryer Corp AD-25, AD-30 service manual Table of Contents

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IMPORTANT

You must disconnect and lockout the electric supply and the gas supply or the steam supply before any covers or guards are removed from the machine to allow access for cleaning, adjusting, installation, or testing of any equipment per OSHA standards.

Please observe all safety precautions displayed on the equipment and/or specified in the installation manual included with the dryer.

CAUTION

Dryer(s) should never be left unattended while in operation.

“Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper operation.”

«Attention: Lor des opérations d’entretien des commandes étiqueter tous fils avant de les déconnecter. Toute erreur de câblage peut étre une source de danger et de panne.»

WARNING

Children should not be allowed to play on or near the dryer(s). Children should be supervised if near dryer(s) in operation.

Under no circumstances should the dryer door switch(es), lint door/drawer switch(es), or heat safety circuit(s) ever be disabled.

The dryer must never be operated with any of the back guards, outer tops, or service panels removed. Personal injury or fire could result.

The dryer must never be operated without the lint filter/screen in place, even if an external lint collection system is used.

FOR YOUR SAFETY

Do not dry mop heads in the dryer. Do not use dryer in the presence of dry cleaning fumes.

The dryers must not be installed or stored in an area where it will be exposed to water and/or weather.

The wiring diagram for the dryer is located in the front electrical control box area.

Table of Contents

 

SECTION I

 

IMPORTANT INFORMATION

4

A.

Safety Precautions

4

SECTION II

 

ROUTINE MAINTENANCE

5

A.

Cleaning

5

B.

Adjustments

6

C.

Lubrication

6

SECTION III

 

INSTALLATION REQUIREMENTS

7

A.

Enclosure, Air Supply, and Exhaust Requirements

7

B.

Electrical and Gas Requirements

8

C.

Operational Service Check Procedure

9

SECTION IV

 

DESCRIPTION OF PARTS

10

A.

Control Panel (Microprocessor)

10

B.

Control Box (Computer Controls)

10

C.

Main Door Switch

10

D.

Lint Drawer Switch

11

E.

Lint Drawer

11

F.

Tumbler

11

G.

Tumbler Bearing and Pulley Arrangement

12

H.

Idler Bearing

12

I.

Drive Motor and Blower Motor

12

J.

Temperature Sensor (Computer Controls)

13

K.

Gas Burner

13

L.

Steam Damper System

13

M.

Compressed Air Requirements

14

N.

Electric Oven

14

O.

Sail Switch (Electric and Gas Models)

14

P.

Motor Contactor (1ø Motor)

15

Q.

Non-Reversing Contactor (3ø Motor)

15

R.

Reversing Relay Panel

15

S.

Hi-Limit Thermostat (Gas and Electric Models Only) ....

16

SECTION V

 

SERVICING

17

A.

Controls (Computer)

17

B.

Burner Controls (Gas)

20

C.

Steam Controls

25

D.

Electrical Oven Controls

28

E.

Thermostats and Temperature Sensor

29

F.

Sail Switch Assembly (Gas and Electric Models)

30

G.

Front Panel and Main Door Assemblies

31

H.

Tumbler and Bearing Assembly

34

I.

Idler and Bearing Assembly

36

J.

Drive Pulley

37

K.

Tumbler

37

L.

V-Belts

40

M.

Motor

41

N.

Impellor

41

O.

Lint Drawer Screen

42

SECTION VI

 

TROUBLESHOOTING

43

A. Diagnostic (L.E.D. Display) Fault Messages

44

B. Input/Output Board L.E.D. Indicators

45

SECTION VII

 

DATA LABEL INFORMATION

58

A.

Data Label

58

B.

Using A Manometer

59

C.

Keypad Layout

60

D.

S.A.F.E. System Theory of Operation

61

E.

Static Pressure

62

F.

Using A Magnehelic

63

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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 Main Door Switch Control Panel MicroprocessorControl BOX Computer Controls Lint Drawer Switch Lint DrawerTumbler Tumbler Bearing and Pulley Arrangement Idler BearingDrive Motor and Blower Motor Temperature Sensor Computer Controls GAS BurnerSteam Damper System Sail Switch Electric and GAS Models Compressed AIR RequirementsElectric Oven Motor Contactor 1Ø MOT or NON-REVERSING Contactor 3Ø 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 Test and Adjust GAS Water Column W.C. Pressure To Replace GAS ValveTo 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 Needle Valve To Replace the 3-WAY MicrovalveTo Replace Steam Coil Electrical Oven Controls To Replace Electrical ElementsTo 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 Adjust Sail Switch To Replace Main Door SwitchFront Panel and Main Door Assemblies To Replace Main Door Assembly To Install NEW Main Door GlassTo Replace Front Panel To Replace the Nylon Catch To Replace Main Door HingeTumbler and Bearing Assembly To Replace Tumbler Pulley NON-REVERSINGTo Replace Tumbler Pulley Reversing To Replace the Front Tumbler Bearing To Replace the Rear Tumbler BearingIdler and Bearing Assembly To Replace Idler PulleyTo Replace Idler Bearing Tumbler Alignment Vertical Drive PulleyTumbler Alignment Lateral To Replace the Tumbler AND/OR Tumbler Support Belt Tension Adjustment Tumbler to Idler BeltsBelt Tension Alignment Motor to Idler To Replace Motor NON-REVERSING MotorImpellor To Replace V-BELTSTo 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 PressureUsing a Magnehelic ILLUS. #2ILLUS. #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.