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AD-200 Service Manual
with Non-Tilt Options
1993 thru 1998
American Dryer Corporation
88 Currant Road
Fall River, MA 02720-4781
Telephone: (508) 678-9000 / Fax: (508) 678-9447
e-mail: techsupport@amdry.com
062599DMG/cms ADC Part No. 450310
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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 properly licensed technicians should service this equipment. OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation/operator's manual included with the dryer. WARNING: UNDER NO CIRCUMSTANCES
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IMPORTANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS SUPPLY or THE STEAM SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING, ADJUSTING, INSTALLATION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) STANDARDS. CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGER- OUS OPERATION. VERIFY PROPER OPERATION AFTER SERVICING. CAUTION DRYER(
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FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPOR AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. DO NOT DRY MOP HEADS IN THE DRYER. DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation/operator's manual included with the dryer. Dryer(s) must not be installed or stored in an area where it will be exposed to water and/or weather. The wiring diagram for
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Table of Contents SECTION I SAFETY PRECAUTIONS..........................................................................................2 SECTION II ROUTINE MAINTENANCE......................................................................................4 SECTION III SPECIFICATIONS and DIMENSIONS .....................................................................8 SECTION IV INSTALLATION REQUIREMENTS.........................................................................9 SECTION V COMPONENT
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SECTION I SAFETY PRECAUTIONS CAUTION: The dryer should never be left unattended while in operation. WARNING: For your safety, the information in this manual must be followed to minimize the risk of fire or explosion or to prevent property damage, personal injury, or loss of life. WARNING: The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJURY or FIRE COULD RESULT. 1. DO NOT store or use gasoline or other flammable vapors and liquids
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WARNING: DO NOT dry mop heads. Contamination by wax or flammable solvent will create a fire hazard. WARNING: DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or similarly textured rubberlike materials. Drying in a heated basket (tumbler) may damage plastics or rubber and also may be a fire hazard. 7. A program should be established for the inspection and cleaning of lint in the burner area, exhaust duct work, and area around the back of the dryer. The frequency
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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 duct work system. The frequency of cleaning can best be determined from experience at each location. Maximum operating efficiency is dependent upon proper air circulation. The accumulation of lint can restrict this air flow. If the guidelines in this section are met, an ADC dryer will prov
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WARNING: TO AVOID THE HAZARD OF ELECTRICAL SHOCK, DISCONTINUE ELECTRICAL SUPPLY TO THE DRYER. MONTHLY Empty the compressed air filter bowl. Clean any lint accumulation from the gas valve/burner area at the top of the dryer, the fan (impellor) motor, and the fan (impellor) bearings located in the dryer base. EVERY 6 MONTHS STEAM MODELS - clean the steam coil fins. We suggest using compressed air and a vacuum cleaner with brush attachment. NOTE: When cleaning steam coil fins, be careful not to b
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B. LUBRICATION MONTHLY Check compressed air filter bowl for water. Empty by pressing the rubber petcock to the side. Additionally, check lubricator bowl for oil. If empty, remove the fill plug and add oil. (Use petroleum based 10/150 SSU misting oil.) Replace fill plug. NOTE: LUBRICATOR SHOULD BE SET AT 1 DROP PER CYCLE. NOTE: REGULATOR PRESSURE IS TO BE SET AT 80 PSI. Apply high temperature grease to the four (4) 1-1/2" diameter tumbler drive shaft pillow block bearings and the two (2) 1
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C. ADJUSTMENTS 7 DAYS AFTER INSTALLATION and EVERY 6 MONTHS THEREAFTER Inspect bolts, nuts, screws, (bearing set screws), nonpermanent gas connections (i.e., unions, shut-off valves, orifices), and grounding connections. Fan (impellor) V-belts, along with the motor and drive belts should be examined and replaced if necessary. Tighten loose V-belts when necessary. Complete operational check of controls and valves. Complete operational check of ALL safety devices (i.e., door switches, lint dr
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SECTION III SPECIFICATIONS and DIMENSIONS A. SPECIFICATIONS (Gas and Steam Models) MAXIMUM CAPACITY (DRY WEIGHT)200 lbs. 90.9 kg BASKET (TUMBLER) DIAMETER 62-1/2" 158.75 cm BASKET (TUMBLER) DEPTH 42" 106.7 cm BASKET (TUMBLER) VOLUME 74.5 cu. ft. 2.11 cu.m. DRIVE MOTOR 3 HP 2.24 kw BLOWER MOTOR (GAS/STEAM) 7-1/2 HP/15 HP 5.6 kw/11.2 kw DOOR OPENING 36-3/4" WIDE x 43" HIGH 93.3 cm x 109.2 cm DOOR SILL HEIGHT - LEVEL 37-1/4" 94.6 cm COMPRESSED AIR 80 PSI 5.63 kg/cu.m. COMPRESSED AIR CONNECTION 3/8
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SECTION IV INSTALLATION REQUIREMENTS Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, installation must conform to applicable AMERICAN NATIONAL STANDARDS: National Fuel Gas Code ANSI Z223.1-LATEST EDITION or National Electric Code ANSI/NFPA No. 70-LATEST EDITION A. Enclosure, Air Supply and Exhaust Requirements NOTE: The following information is very brief and general. For detailed description, refer to the AD-2
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B. Electrical and Gas 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 with local and state regulations or codes. In the absence of such codes, ALL electrical connections, material, and workmanship must conform to the applicable requirements of the National Electric Code ANSI/NFPA No. 70-LATEST EDITION. IMPORTANT: Failure to comply with these codes
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SECTION V COMPONENT DESCRIPTION A. Heat Section The AD-200 dryer uses three (3) types of heat sources: natural gas, liquid propane (L.P.) gas, and steam. Natural gas and L.P. gas are not directly replaceable. The gas valves need to be modified to use other than the type of heat specified on the nameplate. 1. ADG-200 (gas) dryers utilizes a Direct Spark Ignition (DSI) module to monitor that a flame is established. If for some reason the flame signal is lost, the DSI module will shut off the ga
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a. The Direct Spark Ignition (DSI) Module is a 24 VAC device designed to be the "controller" of the DSI system. When activated by the dryer controls, this module constantly monitors and controls the functions of the DSI system (i.e., spark activation, gas valve off/on, flame verification, etc.). Additionally, the DSI Module has self diagnostic capabilities. 24 VAC Direct Spark Ignition (DSI) Module b. The Ignitor and Flame-Probe Assembly is located in the burner flame area and is used to ignite
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e. The Tumbler Hi-Limit Switch is a thermostat type switch located above the Lint Basket. Its function is to discontinue heat (flame) in the event of an over temperature situation (above 225º F). MAN3484 225º F Thermostat f. The gas valve used in the ADG-200 is of the redundant type which means that the gas valve is actually two gas valves in one; one in series with the other. This is a safety feature which provides protection against gas flow in the event that one of the valves does not s
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i. ADC Direct Spark Ignition (DSI) Operation Flow Chart &RPSXWHU 7LPHU &DOOV )RU +HDW 3RZHU $SSOLHG WR WKH ’6, 0RGXOH ’6, 0RGXOH ,QGLFDWRU OLJKWV 5(’ IRU XS WR DSSUR[LPDWHO\ VHFRQGV SUHSXUJH ’6, 0RGXOH ,QWHUQDO &KHFN ’6, 0RGXOH ,QGLFDWRU OLJKWV *5((1 *DV 9DOYH RSHQV DQG VSDUN EXUVWV IRU DSSUR[LPDWHO\ VHFRQGV 2SHQ DQG FORVH WKH 0DLQ ’RRU UHVWDUW WKH GU\HU )ODPH ’6, 0RGXOH /2&. 287 ,QGLFDWRU OLJKWV 5(’ &RQILUPHG" 1R
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B. Troubleshooting The Direct Spark Ignition (DSI) System NOTE: The troubleshooting information provided in this manual is intended for use by qualified service technicians only. OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the AD-200 Non-Tilting Installation/Operator's Manual (ADC Part No. 112142) included with the dryer. IMPORTANT: UNDER NO CIRCUMSTANCES SHOULD ANY SAFETY or HEAT CIRCUIT DEVICES EVER BE DISABLED. THE FOLLOWING PIECES OF TEST EQUIPMENT WILL BE REQ
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1. Direct Spark Ignition (DSI) Troubleshooting Terms (definitions) a. DSI MODULE "RED" L.E.D. INDICATOR LIGHT - this "red" L.E.D. (liquid emitting diode) light is located in the upper right corner of the DSI module (refer to the top illustration on page 12). This is a diagnostic indicator that simplifies the operational and troubleshooting procedures of the DSI system. b. LOCK-OUT MODE - DSI module "red" L.E.D. indicator light stays on continuously. This indicates there is a sys
