American Dryer Corp AD-310 Phase 7

K. CONTROL and ELECTRICAL SYSTEM

Ladder Diagram

Contents

Main AD-310 Phase 7 Tilting Retain This Manual In A Safe Place For Future Reference Important Page Page Table of Contents Page Page Page SECTION I SAFETY PRECAUTIONS Page SECTION II ROUTINE MAINTENANCE A. CLEANING Page B. LUBRICATION C. ADJUSTMENTS SECTION III SPECIFICATIONS and DIMENSIONS Gas*Steam* A. SPECIFICATIONS (Gas and Steam Models) Page Page Page SECTION IV INSTALLATION REQUIREMENTS A. ENCLOSURE/AIR SUPPLY/EXHAUST REQUIREMENTS B. ELECTRICAL and GAS REQUIREMENTS NOTE: Any burner changes must be made by a qualified technician. C. OPERATIONAL SERVICE CHECK PROCEDURE SECTION V COMPONENT DESCRIPTION/REPLACEMENT Page NOTE: THE DSI GAS VALVES ARE NOT FIELD REPAIRABLE. 20 h. Troubleshooting Flow Chart - Quick Reference... No Spark And System Does Not Work First Visual Check 21 i. Troubleshooting Flow Chart - Quick Reference... Second Visual Check 22 j. Troubleshooting Flow Chart - Quick Reference... Third Visual Check Main Burner Lights But Will Not Stay On B. TROUBLESHOOTING THE DIRECT SPARK IGNITION (DSI) SYSTEM Page NOTE: Preliminary steps - DO NOT OMIT - to minimize the time required to troubleshoot this system. Page 27 d. Troubleshooting Flow Chart - Quick Reference... I First Visual Chec k (Does Ignitor Spark?) . 28 Second Visual Check (Does Main Burner Ignite?) . 29 f. Troubleshooting Flow Chart - Quick Reference... Third Visual Check (Does Main Burner Ignite?) Page NOTE: During the purge period, check to be sure that ALL shutoff valves are open. IMPORTANT: THE GAP SETTING ON THE IGNITOR/FLAME-PROBE ASSEMBLY IS CRITICAL. Page NOTE: To reset the DSI module if it is in the LOCKOUT mode, Ignitor Control Fault will display. Page Page NOTE: During the purge period, check to be sure that ALL shutoff valves are open. IMPORTANT: THE GAP SETTING ON THE IGNITOR/FLAME-PROBE ASSEMBLY IS CRITICAL. Page NOTE: To reset the DSI module if it is in the LOCKOUT mode, Ignitor Control Fault will display. Page C. NATURAL GAS and LIQUID PROPANE (L.P.) GAS CONVERSION INSTRUCTIONS D. STEAM COIL SYSTEM OPERATION IMPORTANT: Coil failure due to improper PH level will VOID THE WARRANTY. Page Page Page E. SPRINKLER SYSTEM DESCRIPTION Page NOTE: Identify the wires removed for proper reinstallation. Page Page Page F. TILTING SYSTEM DESCRIPTION Page Page NOTE: For 1-Way Tilt models proceed to Step #23. NOTE: The pieces within the end of the valve are small. Handle carefully to avoid losing parts. Page Page G. AIR JET ASSEMBLY Page Page Page Page NOTE: Make certain that the squirrel cage fan (impellor/blower) can spin freely. IMPORTANT: DO NOT OVERTIGHTEN V-BELTS. IMPORTANT: DO NOT OVERTIGHTEN V-BEL TS. Page Page I. FILTER/REGULATOR ASSEMBLY NOTE: THIS SELF-RELIEVING FEATURE IS NOT DESIGNED TO BLEED THE DOWNSTREAM PRESSURE. J. DOOR SYSTEMS MANUAL DOORS AUTOMATIC DOORS Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page L. BASKET (Tumbler) SYSTEM BASKET (TUMBLER) DRIVE SYSTEM Page NOTE: Replace V-belts in matched sets (both belts). IMPORTANT: DO NOT OVERTIGHTEN TURNBUCKLE. IMPORTANT: Both drive wheels should be replaced on the drive shaft. Page Page Page Page Page SECTION VI PHASE 7 OPL SYSTEM DIAGNOSTICS A. DIAGNOSTIC (L.E.D. Display) FAULT MESSAGES B. INPUT/OUT (I/O) BOARD INPUT and OUTPUT LIGHT EMITTING DIODE (L.E.D.) INDICATORS Page Page Page Page SECTION VII TROUBLESHOOTING Page Page Page Page P. Microprocessor controller (computer) reads Exhaust High Temp Fault... Q. Dryer operates but is taking too long to dry... R. Excessive noise and vibration... S. Dryer will not tilt... Page SECTION VIII