American Dryer Corp AD-25, AD-30

450268-1 www.amdry.com 51

Contents

Main IMPORTANT Retain This Manual in a Safe Place for Future Reference Table of Contents SECTION I IMPORTANT INFORMATION should not be DO NOT DO NOT SECTION II ROUTINE MAINTENANCE A. CLEANING SUGGESTED CLEANING SCHEDULE B. ADJUSTMENTS C. LUBRICATION SECTION III INSTALLATION REQUIREMENTS A. ENCLOSURE, AIR SUPPLY, AND EXHAUST REQUIREMENTS B. ELECTRICAL AND GAS REQUIREMENTS made by a qualified technician. DO NOT operate the dryer NOTE: Any burner changes C. OPERATIONAL SERVICE CHECK PROCEDURE SECTION IV DESCRIPTION OF PARTS A. CONTROL PANEL (MICROPROCESSOR) B. CONTROL BOX (COMPUTER CONTROLS) C. MAIN DOOR SWITCH D. LINT DRAWER SWITCH E. LINT DRAWER F. TUMBLER G. TUMBLER BEARING AND PULLEY ARRANGEMENT H. IDLER BEARING NON-REVERSING MODELSREVERSING MODELS I. DRIVE MOTOR AND BLOWER MOTOR J. TEMPERATURE SENSOR (COMPUTER CONTROLS) K. GAS BURNER L. STEAM DAMPER SYSTEM M. COMPRESSED AIR REQUIREMENTS N. ELECTRIC OVEN O. SAIL SWITCH (ELECTRIC AND GAS MODELS) P. MOTOR CONTACTOR (1 MOTOR) Q. NON-REVERSING CONTACTOR (3 MOTOR) R. REVERSING RELAY PANEL Page SECTION V SERVICING A. CONTROLS (COMPUTER) TO REPLACE COMPUTER Page B. BURNER CONTROLS (GAS) Page Page must be Page Page TO REPLACE STEAM COIL (DAMPER SYSTEM) TO REPLACE PISTON Page D. ELECTRICAL OVEN CONTROLS TO REPLACE ELECTRICAL ELEMENTS TO REPLACE OVEN CONTACTOR E. THERMOSTATS AND TEMPERATURE SENSOR F. SAIL SWITCH ASSEMBLY (GAS AND ELECTRIC MODELS) G. FRONT PANEL AND MAIN DOOR ASSEMBLIES Page Step #2 DO NOT H. TUMBLER AND BEARING ASSEMBLY Page I. IDLER AND BEARING ASSEMBLY J. DRIVE PULLEY K. TUMBLER TUMBLER ALIGNMENT (LATERAL) Page L. V-BELTS (Refer to illustration in Sections I, J, and K) V-BELT TENSION ADJUSTMENT TUMBLER TO IDLER V-BELT TENSION ALIGNMENT MOTOR TO IDLER Step #1 M. MOTOR N. IMPELLOR Steps #1 through #5 and #8 Page SECTION VI TROUBLESHOOTING PHASE 7 NON-COIN SYSTEM DIAGNOSTICS A. DIAGNOSTIC (L.E.D. DISPLAY) FAULT MESSAGES B. INPUT/OUTPUT BOARD LIGHT EMITTING DIODE (L.E.D.) INDICATORS Page A. The display reads Exhaust High Limit Fault. (Refer to page 51) Steps #1 through #4 Step #6 Step #4 Step #3 E. The display reads Sail Switch Closed Fault. (Refer to page 52) F. The display reads Burner Ignition Control Fault. (Refer to page 52) Step #2 Page J. No display condition or display reads Low Voltage Fault.* (Refer to page 54) L. The display reads Cycle Paused, Main Door Open. (Refer to page 56) M. The display reads Cycle Paused, Lint Access Open. (Refer to page 56) Page Page Page Page Page Page Page SECTION VII DATA LABEL INFORMATION A. DATA LABEL B. USING A MANOMETER HOW TO USE A MANOMETER NOTE: Place manometer in a position so that readings can be taken at eye level. C. KEYPAD LAYOUT D. SENSOR ACTIVATED FIRE EXTINGUISHING (S.A.F.E.) SYSTEM SYSTEM RESET IMPORTANT: This is a test function only and the keys NON-COIN S.A.F.E. SYSTEM CHECK PROCEDURE E. STATIC PRESSURE ILLUS. #1 F. USING A MAGNEHELIC