Description of Parts, Control Box | American Dryer Corp AD-170

SECTION IV

Description of Parts

A. Computer Panel Assembly

The computer panel assembly on the AD-170 consists of a phase 5 computer board a keypad label. The keypad inputs your selections into the computer and the computer board directs all the functions of the dryer.

B. Control Box

Lifting the control door and opening the computer panel will reveal the control box. Inside the control box are ALL the electronic control components. Located on the back of the control box are the 30-position block, fuse block, and transformer.

C. DSI Module (Gas Models Only)

The (DSI) Direct Spark Ignition system consists of a microprocessor-based control module, along with an ignitor/flame-probe assembly. This control utilizes a high voltage synchronous spark ignitor and a rectified flame sensor/probe signal to locally control ALL basic functions in the gas burner.

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American Dryer Corp AD-170 Description of Parts, Computer Panel Assembly, Control Box, DSI Module Gas Models Only

Contents

AD-170 Retain This Manual In a Safe Place For Future Reference AD-170Page For Your Safety Table of Contents Sail Switch Assembly Safety Precautions Important Information Routine Maintenance Cleaning Adjustments Lubrication Installation Requirements Enclosure, Air Supply, and Exhaust Requirements Operational Service Check Procedure Electrical and Gas Requirements Computer Panel Assembly Description of PartsControl Box DSI Module Gas Models Only Gas Burner Assembly Drive MotorBlower Motor and Impellor Hz Gas Models Only Blower Motor and Impellor 50Hz, 60Hz Steam & 50Hz Gas Idler Assembly Tumbler Bearing and Pulley ArrangementBasket Tumbler Main Door Switch Sail Switch Gas Models onlyHi-Limit Gas Models Only Automatic Reset Thermostat Lint Drawer SwitchLint Drawer Steam Damper System Servicing Introduction To Replace Keyboard Label Assembly Computer Controls To Replace Computer To Replace Microprocessor Temperature Sensor Probe Page To Replace Gas Valve see burner illustration on To Replace Main Burner Orifices To Test and Adjust Gas Water Column Pressure To Convert from Natural Gas to L.P. Gas To Replace Burner Tubes To Replace DSI Module Sail Switch Assembly Gas Models Only To Replace Sail Switch To Adjust Sail Switch To Replace Main Door Assembly To Install New Main Door Glass To Replace Front Panel To Replace Main Door Hinge Pad Pulleys To Replace Tumbler Pulley To Replace Small Idler Pulley To Replace Large Idler Pulley To Replace Motor PulleyPage Basket Alignment Lateral Side to Side Adjustment To Replace Tumbler Basket or Tumbler Basket Support Important Never strike the shaft directly with a hammer To Replace Front Basket Support Pillow Block Bearing To Replace Front Idler Shaft Pillow Block Bearing Belt Tension Adjustment Basket to Idler To Replace Rear Idler Shaft Pillow Block BearingBelts See illustrations in section F Pulleys Belt Tension Adjustment Motor to Idler To Replace V-BeltsMotors To Replace Drive Motor Page Lint Drawer Assembly To Replace Lint Screen To Replace Lint Drawer SwitchImpellor Troubleshooting No display on computerComputer will not accept key pad entries Dryer will not start, but computer display indicators are on Drive motor runs, burner is on, but basket will not turn Dryer operates, probe sparks, but gas does not flow Dryer operates but is taking too long to dry Dryer is cycling on burner hi-limit safety thermostat Thermal overload for drive motor is trippingOverload for impellor fan motor is tripping Display reads dSFL. Dryer Sensor Circuit Failure Dryer does not start. Display reads doorThere is excessive vibration coming from the basket Electrical Trouble Shooting Phase 5 OPL System Diagnostics Diagnostic LED Display Failure Codes LED Display Indicators Page Page LED Display/Codes Cycle Status LED Display Codes CY F Fill Fault Codes Computer Logic and Wiring DiagramPage No Display Condition Page Blower motor does not operate, drive motor runs Door condition Microprocessor reads Dsfl Technical Information Motor Plate High and Low Voltage Data Label Contacting American Dryer Corporation ADC Information on the Data Label Using a Manometer HOW to USE a Manometer AD-170SE Tool List ADC450400 1- 02/27/98-50