American Dryer Corp. AD-30 (Export) User's Manual
Contents
1. sen meee anes 43 Ret rninp Warranty Parts 225 coh obe same dee Eae Rte edulis 44 Section V Routine Maintenance Vernis M L leana av UI hitias as 46 B ioo ird cac onto eria RAA TRA 48 Lubrication or ae 48 Section Electrical Service Specifications 49 Section VII Troubleshooting 52 Section VIII Procedure For Functional Check Of Replacement Coniponents n OO SECTION I IMPORTANT INFORMATION A Receiving and Handling The dryer is shipped in a protective stretch wrap cover with protective cardboard corners and top cover or optional box as a means of preventing damage in transit Upon delivery the dryer and or protective packaging and wooden skid should be visually inspected for shipping damage If any damage whatsoever is noticed inspect further before delivering carrier leaves Dryers Damaged in Shipment 1 ALL dryers should be inspected upon receipt and before they are signed for If there is suspected damage or actual damage the trucker s receipt should be so noted If the dryer is damaged beyond repair it should be refused Those dryers which were not damaged in a damaged shipment should be accepted but the number received and number refused must be noted on the rec2. AD 15 AD 24 AD 25 AD 285 AD 30 Export AD 50 AD 60 AD 75 Installation Operator s Manual 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 death Do not store or use gasoline or other flammable vapor and liquids in the or vicinity ofthis or any other appliance WHAT DO YOU DO IF YOU SMELL GAS Do nottry to light any appliance Do nottouch any electrical switch do not use any phone in your building Clear the room building or area of all occupants Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier For replacement parts contact the distributor from which the dryer was purchased or American Dryer Corporation 88 Currant Road Fall River MA 02720 4781 American Dryer Corp Telephone 508 678 9000 Fax 508 678 9447 E mail techsupport amdry com ADC Part No 112181 Retain This Manual In 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 techni
3. Alrflow 0595 Down Mode 33 Diagram 2 on page 33 shows damper in the cool down closed mode pulling ambient air directly into the basket tumbler without passing the coils NOTE With the dryer off or with no air supply the damper is in the cool down mode as shown in Diagram 2 on page 33 c Steam Damper Air Piston Flow Control Operation Adjustment Damper operation was tested and adjusted prior to shipping at 80 PSI If damper air adjustment is necessary locate the flow control valve and make necessary adjustments as noted in the illustration below REAR OF DRYER NOTE TURNING KNOB ON FLOW CONTROL CLOCKWISE WILL RESTRICT AIR FLOW TURNING COUNTER CLOCKWISE WILL ALLOW HIGHER AIR FLOW STEAM DAMPER T DOWN MODE SEE DETAIL A INCOMING AIR SOLENOID VALVE PISTON FLOW CONTROL 1 4 TUBING TO PISTON DETAIL MAN1783 34 LP ration for ration The following items should be checked before attempting to operate the dryer 1 Read and follow ALL CAUTION WARNING and DIRECTION labels attached to the dryer 2 Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label located on the back of the dryer control service door 3 Check to assure dryer is connected to type of heat gas indicated on the dryer data label for GAS MODELS ONLY 4 The sail switch damper assembly is installed and
4. 10 Electrical Connection Leads Black White Green Positive Neutral Or L2 Typical Strain Relief Ground Connection L2 Connection 799 If local codes permit power to dryer can be made by use of a flexible U L listed power cord pigtail wire size must conform to rating of dryer or the dryer can be hard wired directly to the service breaker panel In both cases a strain relief must be installed where the wiring enters the dryer b ELECTRIC DRYERS ONLY Single Phase 1e Hookup The electrical input connection is made into the electric oven contactor located at the upper rear of the dryer Input connection wiring must be sized properly to handle the dryer s current draw This information is printed on the dryer s data label NOTE separate circuit serving each dryer must be provided 23 5 Ground Connection L1 and L2 0801 Typical Strain Relief The only electrical input connections to the dryer are the 3 phase power leads L1 L2 L3 and sometimes Neutral and ground Single phase 19 power for the control circuit and for any single phase 10 motors if present is done internally to the dryer No single phase 19 input connection is required on a 3 phase dryer a GAS and STEAM DRYERS ONLY 3 Phase 3e Hookup For gas and steam dryers manufactured for operation at 3 phase 39 the electrical connections are made at t
5. dryer If service is required contact the distributor from whom the ADC equipment was purchased If the distributor cannot be contacted or is unknown contact the ADC Service Department for a distributor in your area NOTE When contacting the ADC Service Department be sure to give them the correct model number and serial number so that your inquiry can be handled in an expeditious manner Parts Replacement parts should be purchased from the distributor from whom the ADC equipment was purchased If the distributor cannot be contacted or is unknown contact the ADC Parts Department for a distributor in your area Parts may also be purchased directly from the factory by faxing to 508 678 9447 or calling the ADC Parts Department at 508 678 9010 NOTE When ordering directly from the ADC Parts Department be sure to give them the correct model number and serial number so that your parts order can be processed in an expeditious manner 42 SECTION IV WARRANTY INFORMATION A Returning Warranty Card s 1 Before any dryer leaves the ADC test booth area a warranty card is affixed to the glass of the main door These warranty cards are intended to serve the customer in two ways First when ADC receives the warranty card s back from a customer we mail the appropriate parts manual to the address indicated on the returned card at no charge to the customer Second we record the individual installation date of that spec
6. during initial startup it has a tendency not to ignite on the first ignition attempt This is because the gas supply piping is filled with air so it may take a few minutes for the air to be purged from the lines NOTE During the purging period check to be sure that ALL gas shut off valves are open NOTE Gas dryers are equipped with a Direct Spark Ignition DSI system which has internal diagnostics If ignition is not established after three 3 attempts the heat circuit in the DSI module will lock out until it is manually reset To reset the DSI system open and close the main door and restart the dryer b A gas pressure test should be taken at the gas valve pressure tap of each dryer to assure that the water column pressure is correct and consistent NOTE Water column pressure requirements measured at the pressure tap on the gas valve body Natural Gas 3 5 to 4 0 Water Column L P Gas 11 0 Inches Water Column 36 IMPORTANT There is no regulator provided in an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer 4 Make a complete operational check of ALL safety related circuits Door switch es b Hi limit thermostat c Cycling thermostat d Sail switch for GAS and ELECTRIC MODELS ONLY NOTE The sail switch can be checked for proper operation by opening the lint door while the heating ci
7. 15 MULTIPLE DRYER VENTING WITH AN DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT QN PP PIS Sut PUR ERERCREREREREREI RTI IORIZONTAL INSPECTION ROOF DOORS e MINMUM ESTANCES TUMBLER EXHAUST MUST ENT R MAIN BETWEEN DUC EXHAUST DUCT AT 45 ANGLE 2 x D CLEARANCE IMPORTANT NO MORE THAN 8 DRYERS CAN CONNECTED TO ONE COMMON DUCT i VENT FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA 2 CROSS SECTIONAL AREA OF ROUND DUCT 785 x DIA IGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT C E wom NOTE A OPENING MUST BE TWO 2 INCHES LARGER THAN DUCT ALL THE WAY AROUND THE DUCT MUST CENTERED WITHIN THIS OPENING NOTE B AD 75 38 4 4 0621 WE 11 19 92 M N o P O 8 530 26 455 24 455 24 380 22 315 20 255 18 200 16 115 12 Dryer Exhaust Duct Size 8 Dryer Airflow 1100 cfm Model Number AD 75 Heat Reclaimer No Controls Coin 16 MULTIPLE DRYER VENTING WITH AN DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT VERTICAL HORIZONTAL d L SEE NOTE B FOR MINIMUM DISTANCES BETWEEN DUCTS TUMBLER EXHAUST MUST ENTER MAIN EXHAUST DUCT AT A 45 ANGLE 2 x D CLEARANCE IMPORTANT E MORE THAN 4 DRYERS CAN E CONNECTED TO ONE COMMON DUCT VENT FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA 2 CROSS SECTIO
8. CHINE TO ALLOW FOR ACCESS FOR CLEANING ADJUSTING INSTALLATION or TESTING OF ANY EQUIPMENT per OSHA Occupational Safety and Health Administration STANDARDS SECTION II INSTALLATION PROCEDURES 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 ANSI Z223 1 LATEST EDITION NATIONAL FUEL GAS CODE or ANSI NEPA NO 70 LATEST EDITION NATIONAL ELECTRIC CODE A Unpacking Setup Remove polyethylene cover and protective shipping corners from dryer NOTE The access keys to the control service door and lint door are shipped in the dryer and should be removed and put in a safe place For coin operated dryers the XX4451 key for control door and MK100 key for lint door should be made accessible because it will be neededthroughout various phases in the installation of the unit The dryer can be moved to its final location while still attached to the skid or with the skid removed To un skid the dryer locate and remove the four 4 bolts securing the base of the dryer to the wooden skid Two 2 are located at the rear base and two 2 are located in the lint chamber Once the bolts are removed slide the dryer off the skid With the skid removed to make it easier to slide the dryer into its final position slightly lower all four leveling legs so that the dryer will slide on the l
9. E PHASE WIRE APPROX CIRCUIT VOLTAGE SERVICE DRAW BREAKER Rom yon 2 20 2 20 _ 3 m 46 Ooo o os 3 NOTE Contact factory for electrical information not listed NOTE ADC reserves right to make changes in specifications at any time without notice or obligation 50 ADG 75 Gas AND ADS 75 STEAM IMPORTANT 208 VAC and 230 240 VAC ARE NOT THE SAME When ordering specify exact voltage NOTE A Circuit breakers are thermal magnetic industrial typeON LY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used Circuit breakers for 30 dryers must be 3 pole type SERVICE HAS WIRE VOLTAGE SERVICE NOTE Contact factory for electrical information not listed NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation 51 SECTION TROUBLESHOOTING IMPORTANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and THE GAS 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 The information provided will help isolate the most probable component s associated with the difficulty described Th
10. NAL AREA A ROUND DUCT 785 x DIA HEIGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT WIDTH 4 NOTE OPENING MUST BE TWO 2 INCHES LARGER THAN DUCT ALL THE WAY AROUND THE DUCT MUST BE CENTERED WITHIN THIS OPENING NOTE B AD 75 38 1 4 1147 WL 11 19 92 Bj e pir r 10 Non Rev 315 255 Dryer Exhaust Duct Size 10 Dryer Airflow 1 100 cfm for non rev 1 900 cfm for reversing Model Number ADS 75 Heat Reclaimer No Controls Coin 17 Where possible it is desirable to provide a separate exhaust air duct for each dryer The duct should go as directly as possible to the outside air Avoid sharp 90 right angle turns in the ducting use 30 or 45 angles instead The radius of the elbows should preferably be 1 1 2 times the diameter of the duct I t is suggested that the duct work from each dryer not exceed twenty 20 feet with no more than two 2 elbows excluding dryer connections and outside exhaust outlets If the duct work exceeds twenty 20 feet or has numerous elbows the cross section area of the duct work must be increased in proportion to the length and number of elbows in it In calculating duct size the cross section area of a square or rectangular duct must be increased by twenty 20 percent for each additional twenty 20 feet The diameter of a round exhaust duct must be increased ten 10 percent for each additional fifteen 15 fee
11. ONAL AREA CROSS SECTIONAL AREA OF A ROUND DUCT 785 x DA C HEIGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT NOTE A OPENING MUST BE TWO 2 INCHES LARGER THAN DUCT ALL THE WAY AROUND THE DUCT MUST BE CENTERED WITHIN THIS OPENING NOTE B AD 15 31 3 8 AD 24 28 1 2 MAN1148 WL 11 19 92 Dryer Exhaust Duct Size 6 Dryer Airflow 600 cfm Model Number AD 15 AD 24 Heat Reclaimer No Controls Coin 14 MULTIPLE DRYER VENTING WITH AN DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT SEC icis PUER ERERERERERERC VERTICAL EB En DOTANES BETWEEN D TUMBLER EXHAUST MUST ENTER MAIN EXHAUST DUCT 45 ANGLE 2 x D CLEARANCE IMPORTANT NO MORE THAN 8 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT VENT FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA A CROSS SECTIONAL AREA OF A ROUND DUCT 785 x CROSS SECTIONAL AREA RECTANGULAR DUCT WIDTH x HEIGHT f WIDTH NOTE A OPENING MUST BE TWO 2 INCHES LARGER THAN DUCT ALL THE WAY AROUND THE DUCT MUST BE CENTERED WITHIN THIS OPENING NOTE B AD 75 38 4 4 0621 WL 11 19 92 8 155 24 380 22 380 22 315 20 P Dryer Exhaust Duct Size 8 Dryer Airflow 900 cfm Model Number AD 75 Heat Reclaimer Yes Controls Coin
12. REATE A POTENTIAL FIRE HAZARD 11 MULTIPLE DRYER VENTING WITH AN DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT OF Davens TS 7 tet puer e jr e SHOULD NOT 20 RTICAI INSPECTION DOORS ROR SEE NOT TUMBLER EXHAUST MUST ENTER MAIN 4 DAMES EXHAUST DUCT AT 45 ANGLE BETWEEN D 2 x D CLEARANCE IMPORTANT NO MORE THAN 8 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT VENT FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA CROSS SECTIONAL AREA OF A ROUND DUCT 785 x pia HEIGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT s woTHI NOTE OPENING MUST BE TWO 2 INCHES BARGER THAN DUCT ALL THE WAY AROUND THE DUCT MUST BE CENTERED WITHIN THIS OPENING AD 15 AD 30 31 3 8 AD 25 AD 50 34 1 4 AD 285 28 1 2 100593WL 041494 49 r 6 255 18 255 18 200 16 200 16 155 14 115 12 10 50 Dryer Exhaust Duct Size 6 Dryer Airflow 375 cfm Model Number AD 15 AD 25 AD 285 AD 30 AD 50 AD 60 Heat Reclaimer Yes Controls Coin 12 MULTIPLE DRYER VENTING WITH AN DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT x3 Tr Te Tes T2 TZ Tt oa ERLBEBEBESERLI puer ao VERTICAL
13. RTANT NOTE TO PURCHASER Information must be obtained from your local gas supplier on the instructions to be followed if the user smells gas These instructions must be posted in a prominent location near the dryer 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 DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVICING CAUTION DRYER S SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION WARNING CHILDREN SHOULD NOT BE ALLOWEDTO PLAY ON OR NEAR THE DRYER S CHILDREN SHOULD BE SUPERVISED IF NEAR DRYER S IN OPERATION 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 HEADSIN THE DRYER 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 fo
14. SHOULD NOT EXCEED 20 NOTE A DA T 2 x DIA NER INSPECTION DOORS 4 TUMBLER EXHAUST MUST ENTER MAIN FOR DISTANCES WALL EXHAUST DUCT AT A 45 ANGLE BETWEEN DUCTS 2 x D CLEARANCE IMPORTANT NO MORE 8 DRYERS CAN E CONNECTED TO ONE COMMON DUCT VENT FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA CROSS SECTIONAL AREA OF A ROUND DUCT 785 x DIA E HEIGHT CROSS SECTIONAL AREA A RECTANGULAR DUCT WIDTH x HEIGHT f WIDTH NOTE A OPENING MUST TWO 2 INCHES LARGER THAN DUCT ALL THE WAY AROUND THE DUCT T BE CENTERED WITHIN THIS OPENING NOTE B AD 25 AD 50 34 4 4 7 AD 30 3 8 MAN ISO WL 11 19 92 8 380 22 315 20 315 20 255 18 200 16 155 14 15 12 10 Dryer Exhaust Duct Size 8 Dryer Airflow 600 cfm Model Number AD 25 AD 30 AD 50 AD 60 Heat Reclaimer No Controls Coin 13 MULTIPLE DRYER VENTING WITH AN DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT M org ee TS C TS TZ T Secon AREA 8 0 F n er RES a Ic L Te SHOULD NOT 20 VERTICAL 4 BETWEEN D TUMBLER EXHAUST MUST ENTER EXHAUST DUCT AT A 45 ANGLE 2 x D CLEARANCE IMPORTANT MORE THAN 8 DRYERS CAN E CONNECTED TO ONE COMMON DUCT VENT FORMULAS TO CALCULATE DUCTING CROSS SECTI
15. and micro processor temperature sensor sensor bracket area 46 WARNING AVOID THE HAZARD OF ELECTRICAL SHOCK DISCONTINUE ELECTRICAL SUPPLY TO THE DRYER STEAM DRYERS Clean steam coil fins Suggest using compressed air and vacuum cleaner with brush attachment NOTE When cleaning steam coil fins be careful not to bend the fins If fins are bent straighten by using fin comb which is available from local air conditioning supply houses 90 DAYS Inspect and remove lint accumulation in customer furnished exhaust duct work system and from dryers internal exhaust ducting WARNING THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD WARNING DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION AIR WARNING INSPECT and REMOVE ANY LINT ACCUMULATION WHICH CAN CAUSE THE BACK DRAFT DAMPER TO BIND or STICK NOTE A back draft damper that is sticking partially closed can result in slow drying and shutdown of the heat circuit safety switches or thermostats NOTE When cleaning dryer cabinet s avoid using harsh abrasives product intended for the cleaning of appliances is recommended 47 Adjustments 7 Days After Installation and Every 6 Months Thereafter Inspect bolts nuts screws bearing set screws non permanent gas connections unions shut off valves orifices and grounding connections Motor and drive belts should be examined Cracked or seriously frayed b
16. and or Amount to Start 2 If the anti wrinkle program is not active or in use the display will read FILL and or Amount to Start 3 Free Dry Mode Computer Models a When turning on power or when no cycle is in progress the L E D display will read FILL and or FrEE b Select temperature The dryer will start the L E D display will read the temperature cycle selected and the drying time portion of the L E D display will read 00 and count upward as the time elapses or the vended time will count downward depending on the program parameter setting NOTE If the door is opened during a cycle both the heat and motor will stop However the microprocessor controller computer will continue to count the time either upward or downward depending on which parameter is programmed Continuation of the cycle will resume only after the door has been closed and one of the three temperature selection buttons is again depressed c Once the preprogrammed dryness level and cool downperiod has been reached or maximum automatic time has expired whichever comes first the tone buzzer will sound for five 5 seconds and the L E D display will read donE at which time the dryer will shut off NOTE 1 the anti wrinkle program is active L E D display will continue to read donE and the micro processor controller computer will proceed through the anti wrinkle program until the maximum Active Guard Ti
17. ation below 2162 xOPL NON COIN REVERSING MODELS ONLY d Verify that the motor s heat and door indicator lights on the back side of the microprocessor computer board are lit Refer to the illustration below DOOR INPUT L E D FUSE 1 8 AMP SLO BLO ONLY ij 707 2 Component MAN2170 QUTPUT OUTPUT LED 60 Open main door The dryer must stop and ALL indicator lights on the back side of the microprocessor computer board must go out f Try to restart the dryer with the main door open 5 The microprocessor computer board s L E D display read DOOR h Close the main door and restart the dryer i Functional check of the microprocessor computer board is complete 2 Direct Spark Ignition DSI Modul a Upon completing installation of the replacement Direct Spark Ignition DSI module reestablish power to the dryer m Direct Spark lgnition Control _ b Start the drying cycle mil Vir sat Th nao Locked Qui Prapurga 45 Seconds pary For 5 on Sana ignition 051 module s Disconnect Aa L Servicing L E D indicator will light red NOT FIAD PEPARADLE Expiasion for up to approximately 1 5 seconds prepurge time d The module s indicator light will then turn green The gas valve will be energized and the ignitor probe wi
18. be measured from back guard whether totally enclosed or rear mounted Refer to the illustration below for details MINIMUM 1 16 25 MANQ700 1 Maximum for AD 15 AD 60 AD 75 steam heated dryers 12 for gas dryers 18 for steam dryers X 12 minimum 24 suggested for ease of maintenance NOTE Air considerations are important for proper and efficient operation D Fresh Supply When the dryer is operating it draws in room air heats it passes the air through the basket tumbler and exhausts it out of the building There fore the room air must be continually replenished from the outdoors If the make up air is inadequate dryer time and dryer effeciency will be adversely affected Ignition problems and sail switch fluttering problems on gas dryers may result and you also could have premature motor failure from overheating Air supply make up air must be given careful consideration to assure proper performance of each dryer An unrestricted source of air is necessary for each dryer As a general rule an unrestricted air entrance from the outdoors atmosphere of a minimum of one 1 square foot 1 1 2 for the AD 75 is required for each dryer If registers or louvers are installed over the openings then the area must be increased It is not necessary to have separate make up air openings for each dryer Common make up air openings are acceptable However they must be set up in such a manner that th
19. bration is inaccurate microprocessor computer models ONLY 11 Failed burner oven hi limit GAS and ELECTRIC MODELS ONLY 12 Failed lint chamber hi heat protector thermostat 13 Steam damper system not functioning properly STEAM MODELS ONLY a Steam damper sticking closed b Leak in pneumatic air system 14 Failed electric oven elements ELECTRIC MODELS ONLY O Condensation on main door glass 1 Too long undersized or improperly installed duct work 2 Exhaust back draft damper is stuck closed or partially closed P Dryer or scraping noise at basket tumbler area 1 Check for object caught in basket tumbler wrapper area 2 Basket tumbler is out of proper alignment a Check both vertical and lateral alignment b Check gap between front panel and basket tumbler front set screws may have come loose and the basket tumbler walked forward or walked backwards 57 c Loose basket tumbler rod d Failed basket tumbler support Q Coins are accepted but do not register L E D display continues to read FILL 1 Failed coin optic sensor 2 Loose connection in optic sensor harness 3 Poor ground connection of optic sensor 4 Failed microprocessor controller computer Mechanical Coin Meter A Dryer will not start indicator light is off 1 Dryer control circuit fuse is blown 2 Open circuit at location service main fuse or circuit breaker 3 Failed pus
20. cians should service this equipment OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation operator s manual included with the dryer NOTE UNDER NO CIRCUMSTANCES should the dryer door switch or the heat circuit devices ever be disabled WARNING The dryer must never be operated with any back guards outer tops or service panels removed PERSONAL INJURY or FIRE COULD RESULT We have tried to make this manual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and materials and to change or discontinue models Important For your convenience log the following information DATEOFPURCHASE MODELNO DISTRIBUTOR S NAME Serial No s Replacements parts can be ordered from your distributor or the ADC factory When ordering replacement parts from the factory you can fax your order to ADC at 508 678 9447 or telephone your orders directly to the ADC Parts Department at 508 678 9000 Please specify the dryer model number and serial number in addition to the description and part number so that your order is processed accurately and promptly The illustrations on the following pages may not depict your particular dryer exactly The illustration are a composite of the various dryer models Be sure to check the descriptions of the parts thoroughly before ordering IMPO
21. d in writing by Certified Mail Return Receipt Requested as to the information necessary to process the claim If a reply is not received by the ADC Warranty Parts Department within thirty 30 days of the letter date then no replacement credit or refund will be issued and the merchandise will be discarded 45 SECTION ROUTINE MAINTENANCE 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 provide many years of efficient trouble free and most importantly safe operation WARNING LINT FROM MOST FABRICS IS HIGHLY COMBUSTIBLE THE ACCUMULATION OF LINT CAN CREATE A POTENTIAL FIRE HAZARD WARNING DRYER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day DAILY beginning of each work shift 1 Clean lint from lint drawer screen 2 Inspect lint screen and replace if torn WEEKLY Clean lint accumulation from lint chamber thermostat
22. d 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 or ordinances and or the requirements stipulated in this manual can result in personal injury or component failure NOTE Component failure due to improper installation VOIDS IHE WARRANTY separate circuit serving each dryer must be provided The dryer must be connected to copper wire only NOT use aluminum wire which could cause a fire hazard NOTE The use of aluminum wire will VOID THE WARRANTY 20 2 El 15 5 ifi ti See Section VI for details a Electric Service 1 Gas and Steam Dryers ONLY IMPORTANT The dryer must be connected to the electrical supply shown on the data label affixed to the dryer n the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications of the data label exactly WARNING 208 VAC AND 240 VAC ARE NOT THE SAME Any damage done to dryer components due to improper voltage connections will automatically VOID THE WARRANTY NOTE gas dryers to convert from 208 to 240 VAC or vice versa the Direct Spark Ignition DSI transformer wiring must be changed 2 Electric Dryers ONLY ALL electrically heated dryers must be connected to the electric supply service shown on the dryer s data label which is affixed to the back side of the control service door The connectin
23. dy pressure tap must be 11 inches water column There is no regulator provided on an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer 3 Piping Connections The dryer is provided with a 1 2 N P T model ADG 75 has a 3 4 inlet pipe connection extending out the rear area or through the top of the dryer For ease of servicing the gas supply line of each dryer should have its own shut off valve The size of the gas supply line header will vary depending on the distance this supply line travels from the gas meter or in the case of gas the supply tank the number of tees other gas operated appliances etc Specific information regarding supply line size should be determined by the gas supplier NOTE Undersized gas supply piping can create a low or inconsistent gas pressure which will result in erratic operation of the burner ignition system 28 GAS SHUT OFF VALVES SERVICE 3 4 PIPE GAS LOOP LINE TAP 4 D D D D D D IN LINE PRESSURE DRYERS REGULATOR NATURAL GAS LINE PRESSURE EXCEEDS 17 WATER COLUMN PRESSURE GAS METE TYPICAL NATURAL GAS INSTALLATION GAS SERVICE LINE TAP GAS WATER HEATERS N W W a WV V V W p AY p p p D DRYERS PRESSURE REGULATOR PRESSURE LP REGULATORS Me OPTIONAL TYPICAL L P GAS INSTALLATION MANO132 29 Consiste
24. e experienced technician realizes however that a loose connection or broken shorted wire may be at fault where electrical components are concerned and not necessarily the suspected component itself Electrical parts should always be checked for failure before being returned to the factory The information provided should not be misconstrued as a handbook for use by an untrained person making repairs IMPORTANT When replacing blown fuses the replacement must be of the exact rating as the fuse being replaced WARNING ALL SERVICE and TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED PROFESSIONAL OR SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE DRYER OR SPECIFIED IN THIS MANUAL 52 Microprocessor Computer Models A No L E D display 1 Service panel fuse blown or tripped breaker 2 Blown FUI fuse 1 or FU2 fuse 2 3 Failed microprocessor controller computer Basket tumbler motor does not start microprocessor controller computer shows drying cycle in progress and indicator dots are On 1 Failed motor contactor relay 2 Failed microprocessor controller computer 3 Failed motor C The dryer will not stop even with no cycle in progress 1 Failed motor contactor relay D The dryer operates for a few minutes stops and then restarts on its own 1 Motor is overheating and tripping out on the internal overload a Motor air vents c
25. e make up air is distributed equally to the dryers Example For a bank of eight 8 dryers two 2 openings measuring 2 by 2 4 square feet is acceptable Refer to the illustration on page 11 for details IMPORTANT Make up air openings SHOULD NOT be located near duct work exhaust outlets If make up air opening is too close to the exhaust outlet lint and fumes may be drawn back into the dryer area through these openings Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes or predominantly low pressure areas IMPORTANT Make up air must be provided from a source free of dry cleaning fumes Make up air that is contaminated by dry cleaning fumes will result in irreparable damage to motors and other dryer components 10 UP AIR OPENINGS 524 TYPICAL INSTALLATION SHOWING MAKE UP AIR OPENINGS NOTE Component failure due to dry cleaning fumes will VOID IHE WARRANTY E Exhaust Requirements Exhaust duct work should be designed and installed by a competent technician Improperly sized duct work will create excessive back pressure which will result in slow drying increased use of energy and shutdown of the burner by the airflow sail switch burner hi limit or lint chamber hi heat protector thermostat Refer to the illustrations on page 12 through page 17 for details CAUTION IMPROPERLY SIZED or INSTALLED EXHAUST DUCT WORK CAN C
26. ed inside the package with the failed merchandise 2 Each part must be tagged with the following information a The model number and serial number of the dryer from which the part was removed b Nature of Failure be specific c Date of Dryer Installation d Date of Part Failure e Specify whether the part s being returned is for a replacement a credit or a refund NOTE If a part is marked for a creditor a refund the invoice number covering the purchase of the replacement part must be provided NOTE Warranty Tags ADC Part No 450064 are available at No Charge from ADC upon request 3 The company returning the part s must clearly note the complete company name and address on the outside of the package 44 4 ALL returns must be properly packaged to insure that they are not damaged in transit No replacements credits or refunds will be issued for merchandise damaged in transit Damage claims are the responsibility of the shipper 5 ALL returns should be shipped to the ADC factory in such a manner that they are insured and a proof of delivery can be obtained by the sender 6 Shipping charges are not the responsibility of ADC ALL returns should be prepaid to the factory Any COD or Collect returns will not be accepted IMPORTANT NO replacements credits or refunds will be issued if the claim cannot be processed due to insufficient information The party that is filing the claim will be notifie
27. egs instead of the base frame The dryer is equipped with four 4 leveling legs one at each corner of the dryer base Two 2 are located at the rear of the dryer base and two 2 are located in the lint chamber 7 To increase bearing and improve efficiency the dryer should be tilted slightly to the rear The baskets tumblers of ALL 50 Hz and the AD 50 AD 60 and AD 75 60 Hz model dryers are supported during shipping by a wooden block REMOVE IHIS BLOCK BEFORE STARTING THE DRYER IMPORTANT This wooden block must be removed before connecting power to the dryer or irreparable damage to the basket tumbler will result The lint coops of ALL 50 Hz and the AD 30 and AD 50 60 Hz model dryers are supported during shipping by a bracket REMOVE IHIS BRACKET BEFORE STARTING THE DRYER B Location of the Dryer Before installing the dryer be sure the location conforms to local codes and ordinances In the absence of such codes or ordinances the location must conform with National Fuel Gas Code ANSI Z223 1 LATEST EDITION 1 The dryer must be installed on a sound level floor capable of supporting its weight It is recommended that carpeting be removed from the floor area that the dryer is to rest on 2 The dryer must not be installed or stored in an area where it will be exposed to water and or weather 3 This dryer is for use in noncombustible locations 4 Provisions for adequate air supply must be provided as noted in
28. eipt If you determine that the dryer was damaged after the trucker has left your location you should call the delivering carrier s freight terminal immediately and claim This type of freight claim is very difficult to get paid and becomes extremely difficult when more than a day or two passes after the freight was delivered It is your responsibility to file freight claims Dryers parts damaged in transit cannot be claimed under warranty Freight claims are the responsibility of the consignee and ALL claims must be filed at the receiving end ADC assumes no responsibility for freight claims or damages If you need assistance in handling the situation please call ADC s Traffic Manager at 508 678 9000 IMPORTANT The dryer should be transported and handled in an upright position at all times Safety Precautions 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 in the vicinity of this or any other appliance 2 Purchaser user should consult the local gas supplier for proper instructions to be followed in the event the user smells gas The instructions should be
29. elts should be replaced Tighten loose V belts when necessary Complete operational check of controls and valves Complete operational check of ALL safety devices door switch lint drawer switch sail switch burner and hi limit thermostats C Lubrication The motor bearings idler bearings and tumbler bearings are 48 SECTION VI ELECTRICAL SERVICE SPECIFICATIONS ADG 15 ADG 25 ADG 285 ADG 30 Gas AND ADS 15 ADS 25 ADS 30 STEAM IMPORTANT 208 VAC and 230 240 VAC ARE NOT THE SAME When ordering specify exact voltage Circuit breakers are thermal magnetic industrial typeONLY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used Circuit breakers 30 dryers must be 3 pole type SERVICE PHASE WIRE APPROX CIRCUIT VOLTAGE SERVICE AMP DRAW BREAKER NOTE Contact factory for electrical information not listed NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation 49 ADG 50 ADG 60 Gas AND ADS 50 ADS 60 IMPORTANT 208 VAC and 230 240 VAC ARE NOT THE SAME When ordering specify exact voltage NOTE A Circuit breakers are thermal magnetic industrial typeON LY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used Circuit breakers for 30 dryersmust be 3 pole type SERVIC
30. g wires must be properly sized to handle the rated current NOTE Component failure due to improper voltage application will VOID IHE WARRANTY 21 3 Grounding ground earth connection must be provided and installed in accordance with state and local codes In the absence of these codes grounding must conform to applicable requirements of the NATIONAL ELECTRIC CODE ANSI NFPA NO 70 LATEST EDITION The ground connection may be to a proven earth ground at the location service panel For added personal safety when possible it is suggested that a separate ground wire no 18 minimum be connected from the ground connection of the dryer to a grounded cold water pipe DO i ipe The grounded cold water pipe must have metal to metal connection all the way to electrical ground If there are any nonmetallic interruptions such as a meter pump plastic rubber or other insulating connectors they must be jumped with no 4 copper wire and securely clamped to bare metal at both ends IMPORTANT For personal safety and proper operation the dryer must be grounded 4 Electrical Connections wire diagram is located in the front control wire box a GAS and STEAM DRYERS ONLY Single Phase 19 Hookup The electrical connections on ALL single phase 10 gas and steam dryers are made into the junction box located at the upper left corner at the rear of the dryer Electric Service Box Cover ISO GEM 22 Single Phase
31. h to start relay 4 Failed door switch and or circuit 5 Failed coin mechanism B Dryer will not start Indicator light is on 1 Failed motor relay 2 Failed motor C Heating unit not operating all temperature selections 1 Faultin sail switch circuit GAS and ELECTRIC MODELS ONLY a Failed sail switch and or out of adjustment b Sail switch not closing or fluttering 58 1 Back draft damper stuck closed 2 Restriction in location exhaust system 2 Faulty burner hi limit and or circuit GAS and ELECTRIC MODELS ONLY 3 Faulty lint compartment automatic 225 safety thermostat and or circuit 4 Failed heat selector switch 5 Failed 24 VAC transformer GAS MODELS ONLY 6 Failed oven contactor relay ELECTRIC MODELS ONLY 7 Failed steam damper piston Steam Damper Models ONLY 8 Failed steam valve STEAM MODELS ONLY D Heating unit not operating for only one 1 temperature selection 1 Faulty thermostat circuit corresponding to selection made 2 Failed heat selector switch 59 SECTION X PROCEDURE FOR F TIONAL CHECK OF REPLACEMENT COMPONENTS 1 Microprocessor computer Board a Upon completing installation of the replacement microprocessor computer board reestablish power to the dryer b Start the drying cycle c Verify that the motor s and the heat indicator dots in the micro processor computer L E D display are on Refer to the illustr
32. he Electric Service 9 power distribution block located in the service box at the rear upper left corner of the dryer To gain access to the service box and contactor the service box cover must be removed ISO GEM 24 Providing local codes permit power to the dryer made by the use of a flexible U L listed cord pigtail wire size must conform to the rating of the dryer or the dryer can be hard wired directly to the service breaker In ALL cases a strain relief should be used both where the wiring enters the dryer and the service box GROUND CONNECTION TYPICAL STRAIN RELIEF b ELECTRIC DRYERS ONLY 3 Phase Hookup The electrical input connection is made into the electric oven contactor located at the upper rear of the dryer Input connection wiring must be sized properly to handle the dryer s current draw This information is printed on the dryer s data label CAUTION The dryer must be grounded A ground lug has been provided in the service box for this purpose NOTE separate circuit serving each dryer must be provided The only electrical connections to the dryer are the 3 phase 39 leads L1 L2 L3 and sometimes Neutral and ground Single phase 10 power for the control circuit is done by the factory at the contactor relay and no other wiring connections are necessary 25 Ground Connection G Gas Information It is your responsibility to have a
33. hen no cycle is in progress the L E D display will read FILL and or Amount to Start b Insert coin s Once the correct Amount to Start has been inserted the L E D display will read PUSH c Select temperature by pushing HI TEMP LO TEMP or PERM PRESS The dryer will start the L E D display will read the temperature cycle selected and the drying time portion of the L E D display will read 00 and count upward as time elapses NOTE If the door is opened during a cycle both the heat and motor will stop However the microprocessor controller computer will continue to count downward intime Continuation of the cycle will resume only after the door has been closed and any one of the three 3 temperature selection buttons is again depressed d Once the preprogrammed dryness level and cool down period have been reached or maximum automatic time has expired the tone buzzer will sound for five 5 seconds and the L E D display will read donE at which time the dryerwill shut off 38 NOTE 1 Ifthe anti wrinkle program is active L E D display will continue to read donE and the micro processor controller computer will proceed through the anti wrinkle program until the maximum Active Guard Time has expired or until the door is opened whichever comes first The L E D display will read FILL and or Amount to Start 2 If the anti wrinkle program is not active or in use the L E D disp
34. ific dryer so as to extend the customer s warranty period a If a warranty card does not come with the individual dryer contact the ADC Warranty Department or Service Department at 508 678 9000 IMPORTANT A separate warranty card must be completed and returned for each individual dryer NOTE Be sure to include the installation date when returning warranty card s Warranty For a copy of the ADC commercial warranty covering your particular dryer s contact the ADC distributor from whom you purchased the equipment and request a commercial dryer warranty form If the distributor cannot be contacted or is unknown warranty information can be obtained from the factory by contacting the ADC Warranty Department at 508 678 9000 NOTE Whenever contacting the ADC factory for warranty information be sure to have the dryer s model number and serial number available so that your inquiry can be handled in an expeditious manner 43 Returni rrantv Par ADC has a Warranty Parts Department that handles all returned warranted merchandise To expedite processing the following procedures must be followed 1 No parts are to be returned to ADC without prior written authorization Return Material Authorization from the factory NOTE R M A s are valid for only sixty 60 days from the date of issue a The R M A issued by the factory as well as any other correspondence pertaining to the returned part s must be includ
35. int in the burner area exhaust duct work and area around the back of the dryer The frequency of inspection and cleaning can best be determined from experience at each location WARNING The collection of lint in the burner area and exhaust duct work can create a potential fire hazard 8 For personal safety the dryer must be electrically grounded in accordance with local and or the NATIONAL ELECTRIC CODE ANSI NFPA No 7 LATEST EDITION NOTE Failure to do so will VOID THE WARRANTY 9 Under no circumstances should the dryer door switch lint drawer switch or heat circuit safety devices ever be disabled 10 11 12 13 14 WARNING PERSONAL INJURY or FIRE COULD RESULT This dryer is not to be used in the presence of dry cleaning solvents or fumes Remove articles from the dryer as soon as the drying cycle has been completed WARNING Articles left in the dryer after the drying and cooling cycles have been completed can create a fire hazard DO NOT operate steam dryers with more than 125 PSI steam pressure Excessive steam pressure can damage steam coiland or harmpersonnel Replace leaking flexible steam hoses or other steam fixtures immediately DO NOT operate dryer with leaking flexible hoses Personal injury may result READ and FOLLOW ALL CAUTION and DIRECTION LABELS ATTACHED TO THE DRYER IMPORTANT YOU MUST DISCONNECT and LOCKOUT THE GAS SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MA
36. lay will read FILL and or Amount to Start 2 Timed Mode Microprocessor Computer Models a When turning on power or when no cycle is in progress the L E D display will read FILL and or Amount to Start b Insert coin s Once correct Amount to Start has been inserted the L E D display will read PUSH c Select temperature by pushing HI TEMP LO TEMP or PERM PRESS The dryer will start and the L E D display will read the temperature cycle selected and the drying time d The dryer will continue through the drying and cooling cycles showing time counting downward NOTE If the door is opened during a cycle both the heat and motor will stop However the microprocessor controller computer will continue to count down in time Continuation of the cycle will resume only after the door has been closed and any one of the three 3 temperature selection buttons is again depressed e Upon completion of drying and cooling cycles tone buzzer will sound for five 5 seconds and the L E D display will read donE at which time the dryer will shut off 39 NOTE 1 anti wrinkle program is active L E D display will continue to read donE and the micro processor computer will proceed through the anti wrinkle program until the maximum Active Guard Time has expired or until the door is opened whichever comes first The L E D display will read FILL
37. ll plumbing connections made by a qualified professional to insure that the gas plumbing installation is adequate and conforms with local and state regulations or codes In the absence of such codes all plumbing connections material and workmanship must conform to the applicable requirements of the National Fuel Gas Code ANSI Z223 1 LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in personal injury and improper operation of the dryer The dryer and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa The dryer must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa 26 IMPORTANT Failure to isolate or disconnect dryer from supply as noted can cause irreparable damage to the gas valves VOIDING IHE WARRANTY WARNING FIRES or EXPLOSION COULD RESULT 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code Z223 1 LATEST EDITION as well as local codes and ordinances and must be done by a qualified professional NOTE Undersized gas piping will result in ignition problems slow drying increased use of energ
38. ll spark for approximately 8 seconds The burner flame should now be established MAN1274 With the burner flame on remove the flame probe wire from the FP terminal of the DSI module f The burner flame must shut off and the ignition module must lock out with the DSI module s indicator light red 5 Stop the drying cycle with the flame probe wire still removed restart the drying cycle 61 h The ignition module must proceed through the prepurge with the indicator light red the ignition trial time of approximately 8 seconds with the indicator light green and then proceed to lock out with the indicator light red Functional check of the Direct Spark Ignition DSI Module is complete 1 Replace the flame probe wire from the FP terminal to the DSI module 62 ADC 112181 1 3 5 7 9 13 15 17 19 11 23 94 500 02 28 95 500 07 27 95 500 12 11 95 1 000 09 13 96 1 000 04 22 97 1 000 02 26 98 1 000 11 10 98 1 000 11 10 98 1 000 06 05 00 250 2 4 6 8 10 12 14 16 18 12 16 94 500 04 27 95 500 08 28 95 500 04 11 96 1 000 01 09 97 1 000 08 20 97 1 000 06 24 98 1 000 06 24 99 40 09 29 99 1 000 American Dryer Corp
39. logged with lint b Low voltage to motor c Failed motor d Failed idler bearing or tumbler bearing E The dryer runs for a few minutes and then stops microprocessor controller computer L E D display continues to read cycle in progress and indicator dots are off 1 Fault in the main door switch circuit 53 a Failed main door switch b Main door switch is out of adjustment c Loose connection or broken wire in door switch harness F The dryer does not start and the microprocessor controller computer L E D display shows dOOr 1 Failed door switch 2 Loose connection or broken wire in door switch harness 3 Failed microprocessor controller computer G Microprocessor controller computer display reads dSFL 1 Fault in microprocessor heat sensing circuit a Blown 1 8 amp Slo Blo fuse on microprocessor controller computer shorted wire in sensor harness would cause this b Failed microprocessor temperature sensor c Loose connection or broken wire in sensor harness between the sensor bracket and the microprocessor controller computer d Failed microprocessor controller computer H Microprocessor controller computer will not accept any or only accept certain keyboard entries 1 Failed keyboard label touchpad assembly 2 Failed microprocessor controller computer I Microprocessor controller computer locks up and L E D display reads erroneous message s or o
40. me has expired or until the door is opened whichever comes first The L E D display will read FILL and or FrEE 40 NOTE 2 If the anti wrinkle program is not active or in use the L E D display will read FILL and or FrEE 4 Non Microprocessor Computer Models Turn power to dryer b Insert coin s Rotary Meter type ONLY c Select temperature by using rocker switch and selecting TEMP LO TEMP or PERM PRESS d Press Push To Start button to start the cycle e Upon completion of the drying and cooling cycles the dryer will shut off NOTE If the door is opened during a cycle both the heat and motor will stop Continuation of the cycle will only resume after the door has been closed and the Push to Start button is pressed L Shut Down Instructions If the dryer is to be shut down taken out of service for a period of time the following MUST BE performed 1 Discontinue power to the dryer either at the external disconnect switch or the circuit breaker 2 Discontinue the gas supply for GAS MODELS ONLY a SHUT OFF external gas supply shut off valve b SHUT OFF internal gas supply shut off valve 3 Discontinue the steam supply for STEAM MODELS ONLY a SHUT OFF steam valves in the supply lines and the return lines 41 SECTION III SERVICE PARTS INFORMATION rvi 1 Only properly licensed or trained technicians should service the
41. nly partial segments 1 Transient power voltage spikes disconnect power to dryer wait one 1 minute and reestablish power to the dryer If problem is still evident a Failed keyboard label touchpad assembly 54 b Failed microprocessor controller computer J Dryer stops during a cycle and microprocessor controller computer L E D display returns to FILL 1 Loose connection in main power circuit to microprocessor controller computer 2 Loose connection in wires between the temperature sensor and microprocessor controllor computer K Gas heating unit is not operating no heat no spark at burner area when dryer is first started and heat indicator dot is on 1 Fault in sail switch circuit a Sail switch is out of adjustment or has failed b Sail switch damper is not closing or is fluttering 1 Lint drawer or lint screen is dirty or clogged 2 Restriction in exhaust duct work 2 Faultin burner hi limit circuit or thermostat 3 Fault in lint chamber sensor bracket hi heat protector thermostat 4 Failed Direct Spark Ignition 051 module burner control 5 Failed DSI ignitor flame probe assembly 6 Failed microprocessor controllor computer No heat gas models ignitor sparks burner goes on and off right away 1 DSI ignitor flame probe out of adjustment reposition closer to the flame area 2 Sail switch is fluttering a Lint drawer screen is di
42. nt gas pressure is essential at ALL gas connections It is recommended that a 3 4 inch pipe gas loop be installed in the supply line serving the bank of dryers An inline pressure regulator must be installed in the gas supply line header if natural gas line pressure exceeds 12 inches water column pressure Refer to the illustrations on page 29 for details IMPORTANT Water column pressure of 4 0 inches for natural gas dryers and 11 0 inches for L P dryers is required at the gas valve pressure tap of each dryer for proper and safe operation A 1 8 N P T plugged tap accessible for test gauge connection must be installed in the main gas supply line immediately upstream of each dryer IMPORTANT Pipe joint compounds that resist the action of natural gas and L P gas must be used WARNING Test all connections for leaks by brushing on a soapy water solution liquid detergent also works well NEVER TEST FOR GAS LEAKS WITH A FLAME ALL components materials must conform to NATIONAL FUEL GAS CODE specifications It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of appliance Btu s being supplied H Steam Piping Hookup Piping must be installed in accordance with good commercial steam system practice Care must be exercised when leveling steam dryers in final position After leveling the dryer check the downward pitch of the heat exchanger from fro
43. nt to rear with a level Likewise check the downward pitch of the return condensate manifold toward its outlet part Absence of these downward pitches will result in probable water hammer and premature heat exchanger fracture and leakage 30 The presence of condensate in steam will cause water hammer and subsequent heat exchanger failure The steam supply connection must be taken from the top of a well dripped steam main If the supply run out to the dryer exceeds twenty 20 feet it should be dripped just before the control valve with a proper trap and dirt pocket Low Pressure up to 15 PSI or High Pressure 16 125 PSI Damper Models Adherence to the following instructions is necessary to eliminate coil failures due to water hammer caused by wet steam The ADC steam dryer uses a damper system instead of an electric steam valve to control the dryers temperature On a call for heat the steam damper opens allowing room air to be drawn through the steam coil then into the basket tumbler Once the set point temperature has been reached the steam damper closes and room air now bypasses the steam coil and passes directly into the basket tumbler The presence of condensate in the steam supply will cause water hammer and subsequent heat exchanger failure The steam supply connection into the main supply line must be made with a minimum 10 inch riser This will prevent any condensate from draining towards the dryer The steam sup
44. ply piping to the dryer must include a 12 inch rise along with a drip trap and check valve This will prevent any condensate from entering the steam coil Flexible hoses or couplings must be used The dryer vibrates slightly when it runs and this will cause the steam coil connections to crack if they are hard piped to the supply and return mains Shut off valves for each dryer should be installed in the supply return and drip trap return lines This will allow the dryer to be isolated from the supply and return mains if the dryer needs maintenance work 31 VACUUM BREAKER STEAM COIL MANUAL SHUT X OFF VALVE 10 RISER Ilo STRAINER SUPPLY 12 RISE MIN Hn FLEXIBLE HOSE OR COUPLING MANUAL SHUT OFF VALVE RETURN 12 DROP MIN DIRT LEG INVERTED BUCKET STEAM TRAP STEAM DAMPER SYSTEM Install an inverted bucket steam trap and check valve at least 12 inches below the steam coil as near to the coil as possible A vacuum breaker should be installed in the piping This will prevent the condensing steam from causing a vacuum inside the coil possibly damaging the coil The supply and return lines should be insulated This will save energy and provide for the safety of the operator and maintenance personnel Water pockets in the supply line caused by low points will provide wet steam to the coil possibly causing coil damage ALL horizontal runs of steam supply piping should be pitched 1 4 inch every foot back towards
45. posted in a prominent location 3 WHAT TO DO IF YOU SMELL GAS a DO NOT try to light any appliance b DO NOT touch any electrical switch c DO NOT use any phone in your building d Clear the room building or area of all occupants e Inmediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f If you cannot reach your gas supplier call the fire department 4 Installation and service must be performed by a qualified installer service agency or the gas supplier 5 Dryer s must be exhausted to the outdoors 4 6 Although ADC produces a very versatile machine there are some articles that due to fabric composition or cleaning method should not be dried in it WARNING Dry only water washed fabrics DO NOT dry articles spotted or washed in dry cleaning solvents a combustible detergent or all purpose cleaner EXPLOSION COULD RESULT WARNING DO NOT dry rags or articles coated or contaminated with gasoline kerosene oil paint or wax EXPLOSION COULD RESULT WARNING DO NOT dry mop heads Contamination by wax or flammable solvents will create a fire hazard WARNING DO NOT use heat for drying articles that contain plastic foam sponge rubber or similarly textured rubber like materials Drying in a heated basket tumbler may damage plastics or rubber and also may be a fire hazard 7 program should be established for the inspection and cleaning of the l
46. pre adjusted at the factory prior to dryer shipment However the sail switch adjustment must be checked to assure that this important safety control is functioning for GAS and ELECTRIC MODELS ONLY 5 Check bolts nuts screws terminals and fittings for tightness 6 Be sure all gas shut off valves are in the open position for GAS MODELS ONLY 7 Be sure ALL back guard panels and service box covers have been replaced 8 Make sure the lint coop support bracket has been removed 9 Check the lint door to assure that it is closed and secured in place IMPORTANT If during installation the lint door safety chain was disconnected it must be reconnected or personal injury may result 10 Rotate the basket tumbler by hand to be sure it moves freely 11 Check to insure ALL steam shut off valves are open for STEAM MODELS ONLY 12 Check to insure that a clean dry regulated air supply 80 PSI is on the dryer for STEAM MODELS with DAMPER SYSTEM ONLY 35 Preoperational Test ALL dryers are thoroughly tested and inspected before leaving the factory However a preoperational test should be performed before the dryer is publicly used It is possible that adjustments have changed in transit or due to marginal location installation conditions 1 Turn on electric power to dryer 2 Refer to the Operating Instructions for starting your particular model dryer 3 Gas Dryers a When a gas dryer is first started
47. r the dryer is located in the front electrical control box Table of Contents Section I Important Information 9 Receiving and Handling 3 Safety Precautions inusisa adt Genta cot PS 4 Section II Installation Procedures M 7 Unpacking Setup EE 7 Location Of Diver 8 C Dryer Enclosure Requirements 9 D Fresh SUD ply 10 Exhaust Requirements l a 11 F Electrical Information HUMAN 20 Gas Ja a a ia Re i DR EH race 26 Flo Hookup 30 I Preparation For Operation 22 10 35 J Test i sient sio DRM 36 Preoperational Instructions 38 Shut Down Instructions L 41 Section Service Parts Information nis PR ORE VACE nd 42 B Parts nates e 42 Section IV Warranty Information A Returning Warranty Card s 43 D Wamani
48. rcuit gas burner electric oven is active on The heating unit should shut off within a few seconds If not make necessary adjustments to sail switch 5 Make a complete operational check of ALL operating controls NOTE If computer program changes are required refer to the computer programming section of the manual supplied with the dryer 6 The dryer should be operated through one 1 complete cycle to assure that no further adjustments are necessary and that ALL components are functioning properly IMPORTANT The dryer basket tumbler is treated with a protective coating ADC suggests tumbling old clothes or material in the basket tumbler using a mild detergent to remove the protective coating 37 7 Check electric service phase sequence 3 phase models only While the dryer is operating check to see if the blower wheel impellor fan is rotating in the proper direction Looking from the front the blower wheel should spin in the clockwise direction If it is the phasing is correct If the phasing is incorrect reverse the two 2 leads at connections L1 L2 or L3 of the power supply to the dryer IMPORTANT If the blower wheel impellor fan is rotating in the wrong direction this will not only drastically reduce drying efficiency but it can also cause premature component failure K Preoperational Instructions 1 Automatic Mode Microprocessor Computer Models a When turning on power or w
49. rty or clogged 55 b Restriction in exhaust duct work Insufficient make up air Failed ignitor flame probe assembly Failed Direct Spark Ignition DSI module burner control Failed gas valve M No heat STEAM MODELS ONLY 1 6 7 Fault in lint chamber sensor bracket hi heat limit protector thermostat Failed microprocessor controller computer Failed steam valve motorized or solenoid models No external compressed air to steam damper 80 PSI required Failed steam damper 24 VAC pneumatic solenoid switch Failed steam damper piston Steam damper stuck closed N Dryer operates but is taking too long to dry 1 Exhaust duct work run is too long or is undersized back pressure cannot exceed 3 inches water column Failed microprocessor controller computer Low and or inconsistent gas pressure GAS MODELS ONLY Insufficient make up air Poor air gas mixture at burner yellow or poor flame pattern Adjust gas burner air adjustment shutters GAS MODELS ONLY Lint drawer screen not being cleaned on a regular basis or not often enough 56 7 Extractors washers not performing properly 8 Sailswitch is fluttering restriction in exhaust GAS and ELECTRIC MODELS ONLY 9 Failed microprocessor controller computer temperature calibration is inaccurate Microprocessor Computer Models ONLY 10 Failed microprocessor temperature sensor cali
50. s for each dryer ducts from the individual dryers may be channeled into a common main duct Each dryer is provided with a back draft damper The individual ducts should enter the bottom or side of the main duct at an angle not more than 45 The main duct should be tapered with the diameter increasing before each individual duct is added Inadequate exhaust facilities may cause high temperature limit switches or airflow switches to shut off the dryers DO NOT disable the switches which are provided for your safety Instead investigate the exhaust ducting Any obstruction or air friction due to numerous elbows fittings in the ducting will slow the passage of air through the system with resulting inefficiency and potential fire hazard IMPORTANT Exhaust back pressure measured by a manometer at each basket exhaust duct area should not exceed 0 3 inches of water column NOTE Where the exhaust duct work passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches larger all the way around than the duct The duct must be centered within this opening 19 Electrical Information 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 with local and state regulations or codes In the absence of such codes ALL electrical connections material an
51. t Each 90 elbow is equivalent to additional fifteen 15 feet and each 45 elbow is equivalent to an additional ten 10 feet IMPORTANT For extended duct work runs the cross section area of the duct work can only be increased to an extent Maximum proportional duct work runs cannot exceed twenty 20 feet more than the original limitations of twenty 20 feet with two 2 elbows When the duct work approaches the maximum limits as noted in this manual a professional heating venting air conditioning HVAC firm should be consulted for proper venting information To protect the outside end of the duct from the weather it may be bent downward as indicated on page 12 through page 17 Leave at least twice the diameter of the duct clearance between the ducting opening and the nearest obstruction If the exhaust duct goes through the roof it may be protected from the weather by using a 180 turn to point the opening downward Allow at least twice the diameter of the duct as clearance from the nearest obstruction DO NOT use screens or caps on the outside opening of the exhaust duct The ducting should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint When adding ducts the duct to be added should overlap the duct to which it is to be connected Provide inspection doors for periodic clean out of lint from the main duct 18 If it is not feasible to provide separate exhaust duct
52. the steam supply header causing any condensate in the line to drain to the header Install a bypass trap in any low point to eliminate wet steam a Steam Damper Air System Connections The pneumatic piston damper system requires an external supply of compressed air The air connection is made to the system solenoid valve which is located at the rear inner top area of the dryer 1 Air Requirements o Nomli Opi Maximum Supply psi 32 2 Connection Air connection to system 1 8 N P T 3 Air Regulation No air regulation is provided with the dryer External regulation of 80 PSI must be provided I t is suggested that a regulator filter gauge arrangement be added to the compressed air line just before the dryer connection This is necessary to insure that correct and clean air pressure is achieved b Steam Damper System Operation The steam damper as shown in the illustration below allows the coil to stay constantly charged eliminating repeated expansion and contraction When the damper is opened the air immediately passes through the already hot coil providing instant heat to start the drying process When the damper is closed ambient air is drawn directly into the basket tumbler allowing a rapid cool down Diagram 1 below shows the damper in the heating open mode allowing heat into the basket tumbler Diagram 1 Alrflow Diagram 2 Heating Mode Airtlow
53. this manual refer to Fresh Air Supply in Section D 5 Clearance provisions must be made from non combustible construction as noted in this manual refer to Dryer Enclosure Requirements in Section C 6 Provisions must be made for adequate clearances for servicing and for operation as noted in this manual refer to Dryer Enclosure Requirements in Section C 7 Dryer must be exhausted to the outdoors an area where correct exhaust venting can be achieved as noted in this manual refer to Exhaust Requirements in Section E 8 Dryer must be located in an area where correct exhaust venting can be achieved as noted in this manual refer to Exhaust Requirements in Section E IMPORTANT Dryer should be located where a minimum amount of exhaust duct will be necessary C Dryer Enclosure Requirements Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of twelve 12 inches for gas dryers and eighteen 18 inches for steam dryers above the dryer outer top except along the front of the dryer which may be closed in if desired NOTE Allowance must made opening the control door Dryers may be positioned side wall to side wall However allowances should be made for the opening and closing of the control and lint doors It is suggested that the dryer be positioned about two 2 feet away from the nearest rear obstruction for ease of installation maintenance and service to
54. y and can create a safety hazard The dryer must be connected to the type of heat gas indicated on the dryer data label If this information does not agree with the type of gas available do not operate the dryer Contact the distributor who sold the dryer or the ADC factory IMPORTANT Any burner changes or conversions must be made by a qualified professional The input ratings shown on the dryer data label are for elevations of up to 2 000 feet unless elevation requirements of over 2 000 feet were specified at the time the dryer order was placed with the factory The adjustment or conversion of the dryers in the field for elevations over 2 000 feet are made by changing each burner orifice If this conversion is necessary contact the distributor who sold the dryer or the ADC factory 27 2 Technical Gas Data a Natural Gas The natural gas supply pressure to the dryer must be between 6 and 12 inches water column If the pressure is too low ignition failure and or slow drying times may result Excessively high supply pressure will result in erratic operation of the gas valve s internal pressure regulator The pressure measured at the pressure tap on the body of the gas valve must be 4 inches water column b Liquid Petroleum L P Gas Dryers made for use with L P gas have the gas valve pressure regulator blocked open so that the gas pressure must be regulated upstream of the dryer The pressure measured at the gas valve bo
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