Page 2 - Retain This Manual In A Safe Place For Future Reference; Important; “IMPORTANT NOTE TO PURCHASER”
Retain This Manual In A Safe Place For Future Reference American Dryer Corporation products embody advanced concepts in engineering, design, and safety. If this product is properly maintained, it will provide many years of safe, efficient, and trouble free operation. ONLY qualified technicians shoul...
Page 3 - IMPORTANT; (Occupational Safety and Health Administration); FOR YOUR SAFETY; DRY MOP HEADS IN THE DRYER.; WARNING; D RY E R S S H O U L D N E V E R B E L E F T U N AT T E N D E D W H I L E I N; CAUTION; must never be
IMPORTANT Y O U M U S T D I S C O N N E C T A N D L O C K O U T T H E E L E C T R I C SUPPLY AND THE GAS SUPPLY BEFORE ANY COVERS OR GUARDSARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FORCLEANING, ADJUSTING, INSTALLATION, OR TESTING OF ANYEQUIPMENT PER OSHA (Occupational Safety and Health Administra...
Page 4 - PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the; DRY E R M U S T
IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and specified in the installation manual included with the dryer. WARNING DRY E R M U S T N E V E R B E O P E R AT E D W I T H O U T T H E L I N T F I LT E R O R S C R E E N I N P L A C E , E V E N I F A N E X T E R N A L L I...
Page 5 - Table of Contents
SECTION I IMPORTANT INFORMATION ............................................................................... 3 A. Safety Precautions ...................................................................................................................... 3 SECTION II ROUTINE MAINTENANCE ...............
Page 7 - SECTION I; IMPORTANT INFORMATION; A. SAFETY PRECAUTIONS; EXPLOSION
3 SECTION I IMPORTANT INFORMATION A. SAFETY PRECAUTIONS 1. DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. 2. Purchaser and/or user should consult the local gas supplier for proper instructions to be followed in the event the user sm...
Page 8 - SECTION II; ROUTINE MAINTENANCE; should be; ALL
4 SECTION II ROUTINE MAINTENANCE A. CLEANING A program and/or schedule should be established for periodic inspection, cleaning, and removal of lint from various areas of the dryer, as well as throughout the ductwork system. The frequency of cleaning can best be determinedfrom experience at each loca...
Page 10 - SECTION III; INSTALLATION REQUIREMENTS; ADC; must be; CAUTION: IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN
6 SECTION III INSTALLATION REQUIREMENTS Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, the installation must conform to applicable American National Standards: ANSI Z223.1- LATEST EDITION (National Fuel Gas Code) or ...
Page 11 - B. ELECTRICAL AND GAS REQUIREMENTS
7 B. ELECTRICAL AND GAS REQUIREMENTS 1. Electrical Requirements It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms to local and state regulations orcodes. In the absenc...
Page 12 - C. OPERATIONAL SERVICE CHECK PROCEDURE
8 The dryer must be connected to the type of gas (natural or liquid propane [L.P.]) indicated on the dryer data label. If this information does not agree with the type of gas available, contact the reseller who soldthe dryer or contact the ADC factory. The gas input ratings shown on the dryer data l...
Page 13 - SECTION IV; DESCRIPTION OF PARTS; B. CONTROL AND RELAY PANELS
9 SECTION IV DESCRIPTION OF PARTS A. CONTROL PANEL The coin panel assembly consists of the coin operator,a display board, and the keyboard (touch pad) label.The coin acceptor is used to acknowledge that theproper coin has been put through the acceptor. Thedisplay board will just display the time and...
Page 14 - should never be; E. MICROPROCESSOR ASSEMBLY
1 0 D. DOOR SWITCH (HINGE BLOCK) The main door switch is located behind the main door on the right handside. When the main door is opened, the switch will also open, preventingthe dryer from operating. The main door switch is a safety device and should never be disabled. G. BASKET (TUMBLER) AND DRIV...
Page 17 - N. LINT DRAWER SWITCH
1 3 N. LINT DRAWER SWITCH The lint drawer switch is located under the basket(tumbler) on the right side. It is another added safetydevice that stops the operation of the dryer, whenthe lint drawer is opened. This device and the doorswitch are the two (2) safety switches designed tohalt the basket (t...
Page 18 - R. ROTATIONAL SENSOR ASSEMBLY
1 4 Q. REAR BASKET (TUMBLER) DRIVE WHEELS There is a left and right basket (tumbler) drive wheel bracket assembly. This allows the basket (tumbler) to spinfreely without bearings or basket (tumbler) support shaft. R. ROTATIONAL SENSOR ASSEMBLY The Rotational Sensor Assembly is located in the rear of...
Page 19 - SECTION V; SERVICE; Observe; and while making repairs.; IMPORTANT: YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY; STANDARDS
1 5 SECTION V SERVICE A. INTRODUCTION ALL electrical or mechanical service or repairs should be made with the electrical power to the dryer disconnected (power off). WARNING: PERSONAL INJURY COULD RESULT. The information provided in this section should not be misconstrued as a device for use by an u...
Page 21 - Pipe dope
1 7 TO REMOVE OPTIC SWITCH 1. Disconnect power to the dryer. 2. Remove top or bottom coin panel. 3. Remove optic switch from the coin acceptor (one [1] screw). 4. Unplug optic switch connector. 5. Remove optic switch from the dryer. 6. Reverse procedure for installing new optic switch. TO REPLACE MO...
Page 22 - illustration below; DO NOT
1 8 REPLACE BURNER TUBE ASSEMBLY (Refer to the illustration below ) 1. Discontinue power to the dryer. 2. Remove the four (4) hex nuts that hold the burner hood bracket to the burner box. 3. Remove the two (2) hex nuts that hold the burner tube to the burner box. 4. Pull down on the burner tube to r...
Page 23 - Test; connections for leaks by brushing on a soapy water solution.
1 9 C. BURNER CONTROLS (GAS) The illustration below shows you the gas valve assembly and the gas chamber. TO REPLACE MAIN BURNER ORIFICE 1. Discontinue power to the dryer . 2 . Remove back guard. 3. Remove screws securing gas valve bracket to the burner box, and remove the two (2) screws securing pi...
Page 24 - cannot; be achieved, problems may be due to an
2 0 TO TEST AND ADJUST GAS (WATER COLUMN [W.C.]) PRESSURE There are two (2) types of devices commonly used to measure water column pressure. They are spring/mechanical type gauges and manometers. The spring/mechanical type gauge is not recommended because it iseasily damaged and not always accurate....
Page 25 - American Dryer Corporation
2 1 TO CONVERT FROM NATURAL TO LIQUID PROPANE (L.P.) GAS 1. Disconnect electrical power to the dryer. 2. Close ALL shutoff valves in dryer gas supply line. 3. Disconnect gas valve wiring. NOTE: Identify location of each wire for correct reinstallation. 4. Break union connection (nut) between union s...
Page 26 - Take note of where wires are for installing the new module.; D. THERMOSTATS AND TEMPERATURE SENSOR; IMPORTANT: UNDER NO CIRCUMSTANCES; should the heat circuit safety devices ever be
2 2 TO REPLACE DIRECT SPARK IGNITION (DSI) MODULE 1. Discontinue power to the dryer. 2. Remove the back guard. 3. Remove the wires connected to the terminal strip at the bottom of the module. 4. Remove the four (4) nuts securing the module to the mounting bracket. 5. Replace module by reversing proc...
Page 28 - E. SAIL SWITCH ASSEMBLY; should heat circuit safety devices ever be disabled.
2 4 E. SAIL SWITCH ASSEMBLY The sail switch is a heat circuit safety device, which controls the heat circuit only. When the dryer is operatingand there is proper airflow, the sail switch damper pulls in and closes the sail switch, providing ALL the other heat related circuits are functioning properl...
Page 29 - F. FRONT PANEL AND MAIN DOOR ASSEMBLIES; should the door switch be disabled.; will be; reduced resulting in poor bonding.; should now be
2 5 F. FRONT PANEL AND MAIN DOOR ASSEMBLIES TO REPLACE MAIN DOOR SWITCH 1. Discontinue power to the dryer. 2. Open main door. 3. Remove the two (2) Phillips head screws holding the main door switch in place. 4. Disassemble door switch bracket by removing the two (2) nuts holding the door switch to t...
Page 33 - SECTION VI; B. GENERAL SYSTEM INFORMATION; Troubleshooting Section; of
2 9 SECTION VI BCD-1 TYPE MODULE A. INTRODUCTION The Direct Spark Ignition (DSI) system operates at 24 VAC and is a discrete component based gas ignitioncontrol (DSI module) system, which utilizes a line frequency spark as an ignition source. Safe proof of flame isaccomplished through flame rectific...
Page 34 - IS NOT; Service Information Section
3 0 The module also provides for safe proof of ignition. If a flame is not sensed by the flame-probeelectrode (of the ignitor/flame-probe assembly) within a specified time frame, the module willde-energize the gas valve and the ignitor/flame-probe assembly, and go into the LOCKOUT mode. If a flame i...
Page 35 - The DSI gas valves; are not; field repairable. There are no parts available for field
3 1 IMPORTANT: THE GAP SETTING ON THE IGNITOR/FLAME-PROBE ASSEMBLY ISCRITICAL. d. The Direct Spark Ignition (DSI) 24 VAC gas valve(s) used are of the redundant type, which means the gasvalve is actually two (2) gas valves in one (1); one (1)in series with the other. This is a safety feature, whichpr...
Page 37 - SHOULD ANY SAFETY OR HEAT; MANOMETER
3 3 D. TROUBLESHOOTING The troubleshooting information provided in this manual is intended for use only by qualified service technician.Observe ALL safety precautions displayed on the equipment or specified in the installation/operator’s manual included with the dryer. IMPORTANT: UNDER NO CIRCUMSTAN...
Page 39 - DO NOT OMIT; - to minimize the time required to troubleshoot this
3 5 2) Direct Spark Ignition (DSI) module light emitting diode (L.E.D.) indicator lights “GREEN” for up to approximately 1.5-seconds (prepurge). This indicates that ALL the controls (including ALL the safety circuits) are functioning and power is being supplied to the DSI module. a) DSI module L.E.D...
Page 41 - First Visual Check; NO SPARK AND SYSTEM DOES NOT WORK
3 7 d. Troubleshooting Flowchart - Quick Reference... First Visual Check NO SPARK AND SYSTEM DOES NOT WORK Replace transformer. Determine why voltage is not present. Is power available at primary? NO YES Are thermostats contacts and limit control contacts closed? NO YES Close contacts. Is 24 VAC pre...
Page 42 - Second Visual Check; SPARK PRESENT BUT MAIN BURNER DOES NOT COME ON
3 8 e . Troubleshooting Flowchart - Quick Reference... Second Visual Check SPARK PRESENT BUT MAIN BURNER DOES NOT COME ON Is main valve wiring securely attached to terminal M.V.3 and ground? NO YES Is 24 VAC present between terminals M.V.3 and ground? NO YES Correct Replace Johnson Control module G7...
Page 43 - Third Visual Check; MAIN BURNER LIGHTS BUT DOES NOT STAY ON
3 9 f. Troubleshooting Flowchart - Quick Reference... Third Visual Check MAIN BURNER LIGHTS BUT DOES NOT STAY ON Is flame sensor cable securely attached to terminal 4? NO YES Does continuity exist from control to flame sensor? NO YES Is flame sensor corroded or is ceramic cracked? NO YES Does contin...
Page 44 - NEVER TEST
4 0 3. Troubleshooting/System Detailed Diagnosis When the dryer calls for heat, 24 VAC from the step down transformer is applied to the “THS” and “GND”(ground) terminals of the Direct Spark Ignition (DSI) module. The DSI module light emitting diode (L.E.D.)indicator will light “GREEN.” The gas valve...
Page 45 - During the purge period, check to be sure that; gas shutoff valves are open.; The gap setting on the ignitor/flame-probe assembly is critical.; must
4 1 a) Connect water column (W.C.) test gauge (manometer) to the gas valve pressure tap (1/8” N.P.T.). b) Start the dryer...with the burner on, the correct water column reading in inches should be: Natural Gas .................................. 3.5 inches (8.7 mb) water column. Liquid Propane (L.P.)...
Page 50 - DIRECT SPARK IGNITION (DSI) SYSTEM COMPONENTS; TRANSFORMER; G760 DIRECT SPARK MODULE
4 6 DIRECT SPARK IGNITION (DSI) SYSTEM COMPONENTS 24 VAC DIRECT SPARK IGNITION (DSI) TRANSFORMER ADC PN 141403 G760 DIRECT SPARK MODULE ADC PN 128935
Page 51 - SECTION VII; TROUBLESHOOTING; A. PHASE 5 COIN SYSTEM DIAGNOSIS
4 7 SECTION VII TROUBLESHOOTING The information provided will help isolate the most probable components associated with the difficulty described.The experienced technician realizes that a loose connection or broken or shorted wire may be at fault whereelectrical components are concerned, however, no...
Page 52 - condition occurs, check to see if this fuse has blown. If it has,; dSFL; ” condition would be cancelled.
4 8 IMPORTANT: The Phase 5 coin microprocessor controller (computer) has its own internal heatsensing circuit fuse protection, located on the back side of the controller. If a “ dSFL ” condition occurs, check to see if this fuse has blown. If it has, DO NOT replace the entire microprocessor controll...
Page 53 - the door switch circuit or the Phase 5
4 9 NOTE: If the dryer is started (the light emitting diode [L.E.D.] display indicator dots are on) and thereare no outputs (heat and/or motor output L.E.D.s are off) and the “ dOOr ” input L.E.D. is on, the fault is in the Phase 5 microprocessor controller (computer) itself. If the L.E.D. displayin...
Page 56 - C. NO START CONDITION; dOOr; Troubleshooting
5 2 C. NO START CONDITION Follow this test procedure, providing that the microprocessorcontroller (computer) is functioning where the display is inthe normal operating mode and the motor indicator dot ison, and the light emitting diode (L.E.D.) motor output lightis on. The voltage you should be read...
Page 57 - D. NO DISPLAY CONDITION
5 3 D. NO DISPLAY CONDITION NOTE: Regardless of the voltage (120-240 VAC) make sure the voltage selector switch is set to115 VAC. 1. Check power supply. (Dryer voltage 110v, 208v, 220v) (Circuit breaker box or fuse panel) 2. Check fuse 2 (3/4-amp Slo-Blo) if blown, replace it. 3. Check for voltage a...
Page 58 - E. “dSFL” DISPLAY CONDITION
5 4 E. “dSFL” DISPLAY CONDITION When the display reads “ dSFL ” this condition indicates a fault in the microprocessor controller (computer) heat circuit. This circuit includes the microprocessor controller (computer), microprocessor temperature sensor(located in lint compartment) and wires to and f...
Page 59 - F. “dOOr” DISPLAY CONDITION
5 5 F. “dOOr” DISPLAY CONDITION When the display reads “ dOOr ,” this indicates that there is a fault (open circuit) somewhere in the microprocessor controller’s (computer’s) door switch circuit. Include the door switch, microprocessor controller (computer)and the wires to end from these two (2) poi...
Page 60 - SECTION VIII; DATA LABEL INFORMATION
5 6 SECTION VIII DATA LABEL INFORMATION A. DATA LABEL Contact American Dryer Corporation When contacting American Dryer Corporation , certain information is required to ensure proper service or parts information from ADC . This information is on the data label, which is affixed to the left side pane...
Page 61 - B. USING A MANOMETER
5 7 4. TYPE OF HEAT This describes the type of heat for your particular dryer: gas (either natural gas or liquid propane [L.P.] gas),electric, or steam. 5. HEAT INPUT (for GAS DRYERS) This describes the heat input in British Thermal Units per Hour (Btu/hr). 6. ORIFICE SIZE (for GAS DRYERS) Gives the...
Page 63 - illustration
5 9 The revision number is located on the top right hand corner of the diagram. It is a six (6) digit number followed by a letter to distinguish the version dates (refer to the illustration ). Your particular model will be different depending on the date of manufacturing and options available. The c...
