American Dryer Corp AD-200 PHASE 7 Procedure for Functional Check Replacement Components

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SECTION VIII

PROCEDURE FOR FUNCTIONAL CHECK OF

REPLACEMENT COMPONENTS

1.For Models With Johnson Controls DSI (Direct Spark Ignition) Module (G760) Theory Of Operation;

Start the drying cycle. When the gas burner ignites within the chosen trial for ignition time (6-seconds), the flame sensor detects gas burner flame and signals the Direct Spark Ignition (DSI) module to keep the gas valve open...as long as there is a call for heat. The DSI module will “LOCKOUT” if the gas burner flame is not sensed at the end of the trial for ignition period. The trial for ignition period will be repeated for a total of three (3) retries/trials (the initial try and two [2] more retries/trials). If the flame is not sensed at the end of the third retry/trial (inter-purge period of 30-seconds) the DSI module will “LOCKOUT” (L.E.D. [light emitting diode] flashes).

A steady L.E.D. (light emitting diode) indicator indicates normal operation.

No L.E.D. (light emitting diode) indicator indicates a power or an internal failure has occurred.

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Contents AD-200 Phase Retain This Manual In a Safe Place For Future Reference Important Note to PurchaserFor Your Safety Page Table of Contents Components AD-200 Reference Guide Base Section Section Explosion could ResultStandards Cleaning LiquidsAT 80 PSI 5.51 Bars Empty the compressed air filter bowlLubrication Adjustments Days After Installation and Every 6 Months ThereafterSpecifications and Dimensions Dimensions Obligation Obligation Installation Requirements ENCLOSURE/AIR SUPPLY/EXHAUST RequirementsOperational Service Check Procedure Electrical and GAS RequirementsHeat Section Direct Spark Ignition DSI System COMPONENTS/FUNCTIONSVAC Direct Spark Ignition DSI Module 225º F 107º C Thermostat Redundant Gas Valve Troubleshooting Flow Chart Quick Reference First Visual CheckSecond Visual Check Third Visual Check Troubleshooting the Direct Spark Ignition DSI System DSI Ignitor GAP Feeler GaugePage Page Three Visual Checks First Visual Check Second Visual Check Third Visual Check With a Flame System Diagnosis Gas PressureDSI Ignitor/Flame-Probe Assembly Adjustments ContinuouslyPage Page Direct Spark Ignition DSI 24 VAC Transformer With a Flame Light RED Continuously Page Page Direct Spark Ignition DSI 24 VAC Transformer Createapotentialsafetyhazard Discontinue electrical power to the dryerSteam Coil System Operation Open ALL gas shut-off valves closed in Step #2Page Page Disconnect compressed air supply from the dryer Page Description Of Components Resistive Temperature Device RTD Sprinkler System DescriptionSprinkler System Operation Page HP 2.24 kw Control Relay Replacement Supplies Before Servicing the DryerPage Page Tilting System Description Tilting Solenoid Valve Page Page Page Page AIR JET Assembly Page Blower Squirrel Cage Fan Motor Assembly Page Page Important do not Overtighten V-BELTS Important do not Overtighten V-BELTS Page Page FILTER/REGULATOR Assembly Filter Maintenance To remove filter elementDoor Systems OperationManual Doors Pneumatic Automatic Door Replacement or Removal Automatic DoorsPage Page Loosen the cord grip cap that the valve wire go through Control and Electrical System Ladder Diagram Page Button does not Disable the High Voltage to the Dryer Drive tumbler and basket MotorPage ºC + ºC + ºK PLC Programmable Logic Controller Page Page Page Discontinue electrical power to the dryer Page Page Page Tumbler Basket System Reinstall V-belts then tighten turnbuckle Important do not Overtighten TurnbuckleImportant do not Overtighten Turnbuckle Page Page Important do not Overtighten Turnbuckle Page Page Page Phase 7 OPL System Diagnostics Fnol Fan Overload FAN Contactor Fault The Fan Contactor was not pulledRSS Rear Sail Switch Rbhl Rear Burner High LimitIs OFF Board Input Description Red L.E.DThen the L.E.D. is on Down, then the L.E.D. is on24VM RED L.E.D Control voltage at the spare inputs Valve is open ON, then the L.E.D. is onProgrammable and Defaulted to Lint Drawer Programmable and Defaulted to Front Door OpenProgrammable and Defaulted to Front Door Closed Programmable and Defaulted to Front DownProgrammable and Defaulted to Rear Door Closed Programmable and Defaulted to Rear DownProgrammable and Defaulted to Rear Door Open Programmable and Defaulted to SpareTroubleshooting Drive motor is not operating does not start Impellor fan motor is not operating does not start 105 106 Dryer operates but is taking too long to dry Excessive noise and vibration 109 Procedure for Functional Check Replacement Components 111 ADC450039 1- 04/21/00-25