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American Dryer AD-120i - User Manual

American Dryer AD-120i
28 pages
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AD-120i
Service Manual
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781 USA
Telephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447
e-mail: techsupport@amdry.com
www.adclaundry.com
ADC Part No. 450371-1
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Summary

Important Information and Safety

General Safety Precautions

Essential safety guidelines for operating and maintaining the dryer safely.

Routine Maintenance Procedures

Cleaning and Inspection Schedule

Instructions for periodic inspection and cleaning of lint and components.

Installation and Requirements

Enclosure, Air, and Exhaust Specs

Guidelines for dryer placement, ventilation, and air circulation.

Electrical and Gas Compliance

Critical electrical and gas connection standards and codes.

Gas Supply and Pressure Details

Details on gas type, pressure, and input ratings for dryer operation.

System Overview and Components

Control Panel and Computer Board

Overview of the microprocessor control panel and its components.

Key Safety Switches

Details on main door switch and lint door switch functions.

Component Descriptions

Lint Management System

Explains the lint door switch, lint coop, and lint screen.

Tumbler and Bearing Assembly

Describes the tumbler structure and its supporting bearing.

Major Component Details

Motors and Temperature Sensors

Details location and function of motors and temperature sensors.

Gas Burner and Speed Drive

Explains gas burner assembly and variable speed drive.

Component Functions and Servicing

Sail Switch and Electrical Panel

Describes the sail switch operation and rear electrical panel components.

General Servicing Guidelines

Component Replacement Procedures

Replacing Control Electronics

Instructions for replacing keypad, sensors, computer board, and contactor.

Gas Burner Controls and Components

Illustrates and describes the gas burner control components.

Gas System Maintenance

Ignitor, Valve, and Orifice Service

Procedures for replacing spark ignitor, gas valve, and main burner orifice.

Gas Pressure Testing and Adjustment

Guidance on testing and adjusting gas pressure using a manometer.

Module and Switch Servicing

DSI Module and Sail Switch Procedures

Procedures for replacing the DSI module and adjusting the sail switch.

Front Panel and Door Switch Replacement

Instructions for replacing the front panel and main door switch.

Door, Panel, and Pulley Replacement

Main Door and Glass Installation

Steps for replacing the main door and installing new glass.

Front Panel and Tumbler Pulley Service

Procedures for front panel replacement and tumbler pulley service.

Pulley, Bearing, and Motor Service

Drive Pulley and Tumbler Bearing

Instructions for replacing the drive pulley and tumbler bearing.

Drive and Blower Motor Replacement

Steps for replacing the drive motor and blower motor.

Lint and Roller Maintenance

Lint Screen and Roller Replacement

Procedures for replacing the lint screen and front support rollers.

Troubleshooting and Faults

Controller Diagnostics and Fault Codes

Overview of microprocessor diagnostics and detailed fault message explanations.

Advanced Troubleshooting

S.A.F.E. System Diagnostic Conditions

Information on S.A.F.E. system faults and diagnostic conditions.

Diagnostic Indicators and Fault Analysis

I;O Board LED Status Indicators

Explanation of the Input/Output board LED status indicators.

Specific Fault Code Explanations

Detailed explanations for specific display fault messages.

Dryer Information and Measurement

Data Label Information Explained

Details the information found on the dryer's data label.

Manometer Usage for Gas Pressure

Step-by-step instructions for using a manometer to measure gas pressure.

Control Interface and Safety Systems

Keypad Layout and Operation

Description of the dryer control panel keypad layout.

S.A.F.E. System Theory and Testing

Theory of operation for the S.A.F.E. system and its testing procedure.

Air Pressure Measurement

Understanding Static Pressure

Explanation of static pressure and its importance in dryer operation.

Using Pressure Measurement Tools

Instructions for using Magnehelic gauges and Pitot tubes.

Dryer Venting Design Standards

Horizontal Venting Requirements

Specifications for installing horizontal dryer exhaust ducting.

Vertical Venting Requirements

Specifications for installing vertical dryer exhaust ducting.

American Dryer AD-120i Specifications

General IconGeneral
ModelAD-120i
TypeCommercial Dryer
MaterialStainless Steel
Voltage120V
Amperage10 Amps
Power Consumption1.2 kW
Watts1200
PhaseSingle
Drum CapacityNot applicable

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