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American Dryer Corp. MDG-30 User's Manual

1. Direct Spark Ignition Control ALL GASES FOR USE W au approximately 1 5 seconds prepurge time repurge 1 k Lockout 10 Se ids WARNING disconnect Power Before Se NOT FIELD REPAIRABLE Ex njury May Rest STATUS d The module s indicator light will then turn green The gas valve will be energized and the ignitor probe will spark for approximately 8 seconds The burner flame should now be established Serious e With the burner flame on remove the flame w N sensor wire from the FS terminal of the DSI module f The burner flame must shut off and the ignition module must lockout with the DSI module s indicator light red J MAN2443 g Stop the drying cycle with the flame sensor wire still removed restart the drying cycle 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 lockout with the indicator light red i Functional check of the DSI module is complete 1 Replace the flame sensor wire from the FS terminal to the DSI module 47 SECTION X BURNER MANUAL RESET HI LIMIT INSTRUCTIONS IMPORTANT FOR MECHANICAL METER TIMER OR PHASE 5 WITHOUT HEAT FAULT GAS MODELS ONLY This dryer was manufactured with a burner manual re
2. MDG 30 Coin Installation Manual WARNING For your safety the information in AVERTISSEMENT Assurez vous de bien this manual must be followed to minimize the suivre les instructions donn es dans cette notice risk of fire or explosion or to prevent property pour r duire au minimum le risque d incendie damage personal injury or death ou d explosion ou pour viter tout dommage mat riel toute blessure ou la mort Do not store or use gasoline or other flammable Ne pas entreposer ni utiliser d essence ni vapors and liquids in the vicinity ofthis or any d autres vapeurs ou liquides inflammables other appliance proximit de cet appareil ou de tout autre appareil WHAT TO DO IF YOU SMELL GAS QUEFAIRE SI VOUS SENTEZ UNE ODEUR Do not try to light any appliance DEGAZ Do not touch any electrical switch do not use any phone in your building Nepastenter d allumer d appareils Clear the room building or area of all Ne touchez aucun interrupteur Ne pas occupants vous servir des t l phones se trouvant dans Immediately call your gas supplier from a le b timent neighbor s phone Follow the gas supplier s vacuez la pi ce le b timent ou la zone instructions Appelez imm diatement votre fournisseur If you cannot reach your gas supplier call de gaz depuis un voisin Suivez les the fire department instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur Installation and service must be pe
3. 5 Make a complete operational check of ALL operating controls 27 NOTE Ifcomputer program changes are required refer to computer programming section ofthe 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 BASKET TUMBLER COATING The basket tumbler is treated with a protective coating We suggest dampening old garments or cloth material with a solution of water and nonflammable mild detergent and tumbling them in the basket tumbler to remove this coating 7 Check the electric service phase sequence 3 phase 30 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 impellor fan should spin in the clockwise CW direction If it is the phasing is correct If the phasing is incorrect reverse two 2 of the three 3 leads at connections L1 L2 and L3 of the power supply to the dryer IMPORTANT Ifthe 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 J PREOPERATIONAL INSTRUCTIONS COIN MODELS 1 Automatic Mode Microprocessor Controller Computer Models a When turning on power or when no cycle is in progress the light emitting diod
4. C shows the minimum cross section area for horizontal multiple dryer venting These figures must be increased in proportion if the main duct run from the last dryer to where it exhausts has numerous elbows or is unusually long 15 IMPORTANT For extended ductwork runs cross section area ofthe duct can only be increased toanextent For extended ductwork runs a professional heating ventilating and air conditioning HVAC firm s tould be consulted for proper venting information VERTICAL VENTING Illus D MULTIPLE DRYER VENTING VERTICAL 4 4 TO INDIVIDUAL TUMBLERS a i L TUMBLER EXHAUST MUST ENTER MAIN WALL EXHAUST DUCT AT 45 ANGLE lt A L MINIMUM DUCT SIZE 8 20 32 AG lt 9 MPORTANT NO MORE THAN 4 DRYERS BE CONNECTED TO ONE COMMON DUCT VENT TCOSTA 7 23 03 MAN6788 ALCULATE DUCTING ROUND DUCT 0 a VY LL HEIGHT RECTANGULAR DUCT WIDTH x HEIGHT x WIDTH H GER THAN THE DUCT ALL THE WAY AROUND THE DUC 3E 2 INCHES 5 08 LARC TERED WITHIN THIS OPENING The maximum length of venting from the last dryer to where it exhausts Vertical venting must not exceed 25 feet 7 62 meters this calculation compensates for the use of a maximum of three 3 elbows including the two 2 elbows creating the 180 turned downward outside outlet protection NOTE
5. Drive motor is not operating does not start microprocessor controller computer motor indicator dots are on Fault in main door switch circuit Blown fuse 2 amp very fast acting fuse if applicable Failed microprocessor controller computer Failed 24 VAC transformer Drive motor runs a few minutes and then stops microprocessor controller computer display continues to read time or percent of extraction and ALL indicator dots are off Fault in main door switch circuit a Failed main door switch b Main door switch out of adjustment c Loose connection in door switch circuit Microprocessor controller computer display reads dSFL Fault in microprocessor heat sensing circuit 37 a Failed microprocessor temperature sensor b Failed microprocessor controller computer c Broken wire or connection somewhere between the microprocessor controller computer and the microprocessor temperature sensor Microprocessor controller computer display reads door Fault open circuit in door switch circuit a Failed main door switch b Broken connection or wire in main door circuit Failed 24 VAC transformer Microprocessor controller computer will not accept any keyboard touch pad entries i e light emitting diode L E D display reads FILL and when the keyboard touch pad entries are selected the L E D display continues to read FILL Failed keyboard touch pad
6. HEAT INPUT 0 TO 2 000 x CE SIZE Wt GAS NATURAL E N 4 C IAE 2 A RR ae ELECTRIC SERVIC MAN En PRESSI Iz GAS MANIFOLD PRESSUR Key 3 5 IN W C FOR USE WITH GASES ANSI 4215 2 OTHES DRYER VOI SECHEUSES VOL 2 FOR CANADIAN INSTALLATIONS WITH 0 ORIFICE SIZE When contacting the Maytag dealer certain information is required to insure proper service parts information This information is on the data label located on the upper left side panel area behind the top control access door When contacting the Maytag Co please have the model number and serial number available 43 THE DATA LABEL 1 MODEL NUMBER The model number is an Maytag Company number which describes the size ofthe dryer and the type of heat gas electric or steam 2 SERIAL NUMBER The serial number allows Maytag to gather information on your particular dryer 3 MANUFACTURING CODE NUMBER The manufacturing code number is a number issued by Maytag which describes ALL possible options on your particular model 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 number drill size used 7 ELECTRIC SERVICE This describes the electric service for your particular
7. AIR OPENINGS P 1 Pr NE EL IEC ah ae MAN1775 INSTALLATI HOWING MAKE AIR OPENIN IMPORTANT Make up air openings should not be located in an area directly near where exhaust vents exit the building 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 solvent fumes Make up air that is contaminated by dry cleaning solvent fumes will result in irreparable damage to the motors and other dryer components NOTE Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY 11 E EXHAUST REQUIREMENTS Exhaust ductwork should be designed and installed by a qualified professional Improperly sized ductwork will create excessive back pressure which results in slow drying increased use of energy and shutdown of the burner by the airflow sail switch burner hi limit or lint chamber hi limit protector thermostat The dryer must be installed with a proper exhaust duct connection to the outside When possible it is suggested to provide a separate single exhaust duct for each dryer CAUTION IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD CAUTION DRYER MUST BE EXHAUSTED TO THE OUTDOORS IMPORTANT It is recom
8. Distance between dryer single ducts being connected to the main common duct must be a minimum of 31 3 8 79 7 cm dryer width Ductwork should be laid out in such a manner where allowances are made at rear area of the dryer for removal of rear service panels or guards Illus D shows the minimum cross section area for vertical multiple dryer venting These figures must be increased in proportion if the main duct run from the last dryer to where it exhausts has numerous elbows or is unusually long IMPORTANT For extended ductwork runs the cross section area of the duct can only be increased to an extent For extended ductwork runs a professional HVAC firm should be consulted for proper venting information 16 10 11 12 13 IMPORTANT VENTING REMINDERS Ductwork size and installation should be done by a qualified professional The dryer must be exhausted to the outdoors Ductwork should be routed as short as possible to the outdoors with as few elbows as possible Avoid 90 turns use 30 or 45 turns instead The size of the ductwork must be a minimum of 10 inches 25 4 cm if vented vertically and 8 inches 20 32 cm if vented horizontally The inside of the ductwork should be as smooth as possible with no projections from sheet metal screws Ducts added should overlap the duct to which it is to be connected ALL ducts should be taped to prevent moisture and lint from escaping into the building Inspection or c
9. 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 TYPE OF GAS Liquid Propane Btu hour keal hr Natural Liquid Propane Conversion Kit Rating Rating Qty D M S Part No Qty D M S Part No Part Number 90 000 22 680 2 30 140819 2 46 140806 874050 Shaded area is stated in metric equivalent Drill Measurement Size D M S equivalents are as follows Natural Gas 30 0 1285 3 2639 mm Liquid Propane Gas 46 0 0810 2 06 mm 23 3 Piping Connections ALL components materials must conform to National Fuel Gas Code Specifications ANSI Z223 1 LATEST EDITION or in Canada CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 Liquid Propane L P Gas or LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordinances and must be done by a qualified professional It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of ALL the appliance Btus being supplied The dryer is provided with a 1 2 N P T inlet pipe connection located in the upper rear area of the dryer The minimum pipe size supply line to the dryer is 1 2 N P T For ease in servicing the gas supply line of each dryer must have its own shutoff valve IMPORTANT The gas supply line
10. is required contact the dealer from whom the Maytag equipment was purchased If the dealer cannot be contacted or is unknown contact the Maytag Co for a dealer in your area B PARTS 1 Replacement parts should be purchased from the dealer from whom the Maytag equipment was purchased If the dealer cannot be contacted or is unknown contact the Maytag Co for a dealer in your area NOTE When ordering replacement parts from the Maytag dealer or the Maytag Co be sure to give them the correct model number and serial number so that your parts order can be processed in an expeditious manner 32 SECTION V WARRANTY INFORMATION 2 RETURNING WARRANTY CARDS 1 Before any dryer leaves the manufacturer s test area a warranty card is placed on the back side of the main door glass These warranty cards are intended to serve the customer where we record the individual installation date and warranty information to better serve you should you file a warranty claim IMPORTANT A separate warranty card must be completed and returned for each individual dryer NOTE Be sure to include the installation date when returning the warranty card s B WARRANTY For a copy of the manufacturer s commercial warranty covering your particular dryer s contact the Maytag dealer from whom you purchased the equipment and request a dryer warranty form If the dealer cannot be contacted or 15 unknown warranty information can be obtained from the Ma
11. label assembly Failed microprocessor controller computer Microprocessor controller computer will only accept certain keyboard touch pad entries Failed keyboard touch pad label assembly Failed microprocessor controller computer Microprocessor controller computer locks up and L E D display reads erroneous message or only partial segments Transient power voltage spikes disconnect power to dryer wait 1 minute and reestablish power to dryer Ifthe problem is still evident a Failed microprocessor controller computer b Failed keyboard touch pad label assembly Dryer stops during a cycle and L E D display returns to FILL Fault in microprocessor heat sensor circuit a Loose connection in wires between temperature sensor and microprocessor controller computer Loose connection somewhere in main power circuit to microprocessor controller computer heat ignitor sparks burner goes on and off right away 38 Direct Spark Ignition DSI ignitor and flame probe are out of adjustment reposition closer to flame area Sail switch is fluttering a Lint screen is dirty b Restriction in exhaust ductwork Insufficient make up air Failed ignitor and flame probe assembly Failed DSI module Failed gas valve Heating unit is not operating no heat and heat indicator dot is on Fault in sail switch circuit a Sail switch is out of adjustment or has failed b Sail swit
12. model 8 GAS MANIFOLD PRESSURE for GAS DRYERS This describes the manifold pressure taken at the gas valve tap 9 APPLICABLE APPROVAL SEAL S LE Canadian Standards Association International 44 PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS SECTION IX 1 Microprocessor Controller Computer Board a Uponcompleting installation ofthe replacement microprocessor controller computer board reestablish power to the dryer b Start the drying cycle c Verify that the motors and the heat indicator dots in the microprocessor controller computer light emitting diode L E D display are on Refer to the illustration below IDE W LJ ANI KE INON COIN f VER NG MODEIS ONI Y XUF 1 I SING MODELS UNL d Verify that the motors heat and door indicator lights on the back side of the microprocessor controller computer board are lit Refer to the illustration below 0 S n uf IM S x 45 e Open main door The dryer must stop and ALL output indicator lights back side of microprocessor controller computer board must go out Refer to the illustration on previous page f Try to restart the dryer with the main door open g Themicroprocessor controller computer board s light e
13. performed by a qualified installer service agency or gas supplier 5 Dryers must be exhausted to the outdoors 6 Although Maytag produces a very versatile dryer 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 materials Drying in a heated basket tumbler may damage plastics or rubber and may be a fire hazard 7 A program should be established for the inspection and cleaning of lint in burner area exhaust ductwork 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 ductwork can create a potential fire hazard 8 For personal safety the dryer must be electrically grounded in accordance with local codes and or the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the Canadian Elect
14. 1 03 IMPORTANT The dryer must be connected to the electric supply shown on the data label that is affixed to the upper left side panel area behind the top control access door IMPORTANT The wire size must be properly sized to handle the related current WARNING Any damage done to dryer components due to improper voltage connections will automatically VOID THE WARRANTY NOTE Manufacturer reserves the right to make changes in specifications at any time without notice or obligation 21 GAS INFORMATION Itis your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gas plumbing installation is adequate and conforms to local and state regulations or codes In the absence of such codes ALL plumbing connections materials and workmanship must conform to the applicable requirements of the National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 Liquid Propane L P Gas or LATEST EDITION IMPORTANT Failureto comply with codes or ordinances and or requirements in this manual can result in personal injury and improper operation ofthe dryer The dryer and its individual shutoff valves 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 pipin
15. 54 61 cm BASKET TUMBLER VOLUME 12 27 cuft 0 347 cu m DRYERS PER 20 40 CONTAINER 12 28 DRYERS PER 45 48 TRUCK 32 36 VOLTAGE AVAILABLE 120 460v 1e 50 60 Hz AS APPROX WEIGHT UNCRATED 535 lbs 242 7 kg APPROX WEIGHT CRATED 585 lbs 265 4 kg D HEAT INPUT 90 000 Btu hr 22 680 kcal hr AIRFLOW 600 cfm 17 cmm INLET PIPE CONNECTION 1 2 M N P T Shaded areas are stated in metric equivalents Reversing dryer available with 3 phase 30 1 2 hp 0 373 kW motors standard Size of piping to dryer varies with installation conditions Contact factory for assistance 07 21 03 SPECIFICATIONS GAS ONLY H INSTALLATION CONDITIONS ST BE NO LESS THAN 0 AND MUST EXCEED 0 3 0 74 MB WATER COLUMN WORK SIZE VARIES IAUST STATIC PR 12 1 2 E 31 8 ie Stat SE 77 ELECTRICAL CONNECTIONS 1 2h i i 1 107 21 NOTE Manufacturer reserves the right to make changes in specifications at any time without notice or obligation SECTION III INSTALLATION PROCEDURES 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 ANSI NFPA NO 70 LATEST EDITION National Electrical Code or in Canada the installation must
16. ING HORIZONTAL NO OF DRYERS MINIMU 155 115 80 1000 742 5 SECTION ARE 16 MINIMUM ROUND IN 16 42 10 DUCT DIAMETER CM 40 35 30 25 EEUU t_ I f i ROOF IM U HORIZONTAL ee ES NN N INSPECTION 2 OORS UY INDIVIDUAL TUMBLERS TH Lo Dia Fe _ 31 3 TUMBLER EXHAUST MUST ENTER MAIN MINIM WALL EXHAUST DUCT AT A 45 ANGLE BETWEEN 2 x D CLEARANCE MINIMUM DUCT SIZE 8 20 32 cm 1 7 2 IMPORTANT NO MORE THAN 4 DRYERS BE CONNECTED TO ONE VENT COSTA 7 23 03 MAN6787 FORMULAS TO CALCULATE TIN EA six CROSS SECTIONAL AREA OF A ROUND DUCT 0 785 19 939 mm x DIAZ gt HEIGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT H 8 cm LARGER THAN THE DUCT ALL E WAY AROUND THE DUC A OPENING MUST BE 2 INCHES BE CENTERED WITHIN T Cm 5 OPENING Horizontal venting must not exceed 20 feet 6 1 meters this calculation compensates for the use of a maximum of only one 1 elbow which is the outside outlet protection NOTE Distance between dryer single ducts being connected to the main common duct must be a minimum of 31 3 8 79 7 cm dryer width Ductwork should be laid out in such a manner where allowances are made at rear area of the dryer for removal of rear service panels or guards Illus
17. NG aisisscisescaciscacsisssesscsoscwenssavescoctesdssvaccsdesensassseaduesssseenosesetceesness 36 Microprocessor Controller Computer Models ss 36 Mechanical Com Models cione irf ire dediti ee 41 SECTION VIII DATA LABEL INFORMATION 2 ccccccscccccccccccccccccccccsccccccccccccsccccsccccscccccscees 43 desse ete iidem nete ettet ise eis 43 SECTION IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS hcec e RW HERE ANE RR CART EROR M Coe SCA H X ERE E KE IES 45 SECTION X BURNER MANUAL RESET HI LIMIT INSTRUCTIONS 48 SECTIONI 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 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 l 2 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 the number refused must be
18. RESENCE OF DRY CLEANING FUMES WARNING UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices ever be disabled 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 WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER SCREEN IN PLACE EVEN IFAN EXTERNALLINT COLLECTION SYSTEM IS USED IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and or specified in the installation manual included with the dryer Dryer must not be installed or stored in an area where it will be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area IMPORTANT Dryer must be installed in a location environment which the ambient temperature remains between 40 F 4 44 C and 130 F 54 44 C Table of Contents SECTION I IMPORTANT INFORMATION 555 e eoe aao noe near aaa aa ana ro anon eaa anneau 3 Ac decelving RANG Oe tie ete THp ens im tunt ne Du uat 3 Precautlolis deco md eer dtt dime E iud 4 SECTION II SPECIFICATION S 6 Ic Specifications 6 SECTION III INSTALLATION PROCEDURES FN EN Pe anke epe ker eae eek eats 8 AA Unpacking and Setting Up ioo i
19. ay be positioned sidewall to sidewall However a 1 16 1 5875 mm minimum allowance must be made for opening and closing of the control door and the lint door It is suggested that the dryer be positioned about 2 feet 0 61 meters away from the nearest obstruction for ease of installation maintenance and service to be measured from the back guard Refer to the illustration above for details 10 D FRESH AIR SUPPLY REQUIREMENTS The 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 1 1 2 square feet 0 14 square meters 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 a separate make up air opening for each dryer Common make up air openings are acceptable However they must be set up in such a manner that the make up air is distributed equally to the dryers The dryer must be installed with provisions for adequate combustion and make up air supply EXAMPLE For a bank of eight 8 dryers two 2 unrestricted openings measuring 2 feet by 3 feet 0 61 meters by 0 91 meters 6 square feet 0 55 square meters each opening are acceptable zn MAKE UP
20. ch damper is not closing or is fluttering 1 Lint screen is dirty 2 Restriction in exhaust ductwork Fault in burner hi limit circuit or thermostat Fault in lint chamber sensor bracket hi heat protector thermostat Failed DSI module Failed DSI ignitor and flame probe assembly Failed microprocessor controller computer Dryer operates but is taking too long to dry Exhaust ductwork run is too long or is undersized back pressure must be no less than 0 and cannot exceed 0 3 inches 0 74 mb of water column W C Restriction in exhaust ductwork a Exhaust back draft damper is sticking partially closed b Restriction in ductwork check ductwork from dryer ALL the way to the outdoors Low or inconsistent gas pressure 39 10 11 12 Insufficient make up air Poor air and gas mixture at burner yellow or poor flame pattern adjust gas burner air adjustment shutters Lint screen is not being cleaned on a regular basis or often enough Extractors washers are not performing properly Sail switch is fluttering restriction in exhaust Failed microprocessor controller computer temperature calibration is inaccurate Failed microprocessor temperature sensor calibration is inaccurate Failed burner or oven hi limit Failed lint compartment hi limit Condensation on main door glass Too long undersized or improperly installed ductwork Back draft damper is sticking in partially closed position Dryer i
21. cket REMOVE THIS BRACKET BEFORE STARTING THE DRYER 1 Leveling Dryer The dryer is equipped with four 4 leveling legs one 1 at each corner of the base Two 2 are located at the rear of the dryer base and two 2 are located in the lint chamber coop To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear B LOCATION REQUIREMENTS 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 the National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the installation must conform to applicable Canadian Standards CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 Liquid Propane L P Gas or LATEST EDITION for General Installation and Gas Plumbing l The dryer must be installed on a sound level floor capable of supporting its weight Carpeting must be removed from the floor area that the dryer is to rest on IMPORTANT The dryer must be installed on noncombustible floors only 2 The dryer must not be installed or stored in an area where it will be exposed to water or weather 3 4 The dryer is for use in noncombustible locations Provisions for adequate air supply must be provided as noted in this manual refer to Fresh Air Supply Requirements in Section D Clearance provisions must be made from combustible construction as noted in this manual refer
22. conform to applicable Canadian Standards CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 Liquid Propane L P Gas or LATEST EDITION for General Installation and Gas Plumbing or Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION for Electrical Connections A UNPACKING AND SETTING UP Remove protective shipping material 1 e plastic wrap and optional shipping box from dryer The key for the top control door and bottom lint door is located in the information packaged and shipped in dryers basket tumbler This key should be made accessible because it will be needed throughout various phases in the installation ofthe dryer The dryer can be moved to its final location while still attached to the skid or with the skid removed To unskid the dryer locate and remove the four 4 bolts securing the base of the dryer to the wooden skid Two 2 are at the rear base remove the back panel for access and two 2 are located in the bottom of the lint chamber To remove the two 2 bolts located in the lint chamber area remove the lint door With the skid removed to make it easier to slide the dryer into its final position slightly lower ALL four 4 leveling legs so that the dryer will slide on the legs instead of the base frame To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear The lint coops of ALL model dryers are supported during shipping by a bra
23. 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 or Amount To Start Ifthe Anti Wrinkle program is not active or in use the L E D display will read FILL or FrEE 4 Non Microprocessor Controller Computer Models a Turn power on to the dryer b Insert coins rotary meter type ONLY c Select temperature by pressing the desired setting d Press Start button to start the cycle e Upon completion of the drying and cooling cycles the dryer will shut off NOTE Ifthe door is opened during a cycle both the heat and motor will stop Continuation ofthe cycle will only resume after the door has been closed and the Push To Start button is pressed 30 SHUTDOWN INSTRUCTIONS If the dryer is to be shutdown 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 heat supply a Discontinue the gas supply 1 SHUT OFF external gas supply shutoff valve 2 SHUT OFF internal gas supply shutoff valve located in the gas valve burner area 31 SECTION IV SERVICE PARTS INFORMATION A SERVICE 1 Service must be performed by a qualified trained technician service agency or gas supplier If service
24. d L P gas must be used IMPORTANT Test ALL connections for leaks by brushing on soapy water solution liquid detergent works well ALL components materials must conform to National Fuel Gas Code Specifications ANSI Z223 1 LATEST EDITION or in Canada CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordinances and must be done by a qualified professional It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of ALL the appliance Btus being supplied IMPORTANT The dryer and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing ofthat system at test pressures in excess of 1 2 psig 3 5 kPa NOTE The dryer must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure test ofthe gas supply system at test pressures equal to or less than 1 2 psig 3 5 kPa 25 PREPARATION FOR OPERATION AND START UP The following items should be checked before attempting to operate the dryer l 2 Read ALL CAUTION WARNING and DIRECTION labels attached to dryer Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label affixed to the upper left side panel area behind the top con
25. d not be misconstrued as a handbook for use by an untrained person making repairs IMPORTANT Whenreplacing blown fuses the replacement must be ofthe exact rating as the fuse being replaced WARNING ALLSERVICE AND TROUBLESHOOTING SHOULD BE PERFORMED BY AQUALIFIED PROFESSIONAL OR SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALL SAFETY PRECAUTIONS DISPLAYED ON THE DRYER OR SPECIFIED IN THIS MANUAL MICROPROCESSOR CONTROLLER COMPUTER MODELS A Nolight emitting diode L E D display 1 Service panel fuse blown or tripped breaker 2 Blown control circuit L1 or L2 1 2 amp Slo Blo fuse 3 Failed microprocessor controller computer 4 Failed step down transformer for models 380 volts or higher ONLY B Drive motor is not operating does not start 1 Failed drive motor contactor relay 2 Failed drive motor Failed microprocessor controller computer Drive motor operates okay for a few minutes and then stops and will not restart Motor is overheating and tripping out on internal overload protector a Motor air vents clogged with lint b Low voltage to the motor c Failed motor d Basket tumbler is binding check for obstruction e Failed idler bearings or basket tumbler bearings f Failed out of balance blower impellor fan Blower motor is not operating does not start Failed blower motor contactor relay Failed motor Failed microprocessor controller computer
26. discontinue models Important For your convenience log the following information DATE OFPURCHASE MODEL NO M DG 30 DEALER S NAME Serial Number s For replacement parts contact the dealer from which the dryer was purchased or contact MAYTAG CO 403 West Fourth Street North Newton Iowa 50208 641 787 7000 IMPORTANT NOTE TO PURCHASER Information must be obtained from your local gas supplier on the instructions to be followed ifthe user smells gas These instructions must be posted ina prominent location near the dryer 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 Attention Au moment de l entretien des Caution Label all wires prior to commandes tiquetez tous les fils avant de disconnection when servicing controls Wiring f les d brancher Des erreurs de c blage errors can cause improper operation peuvent entrainer un fonctionnement inad quat et dangereux CAUTION DRYERS SHOULD NEVER BELEFTUNATTENDED WHILE IN OPERATION WARNING CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYER S CHILDREN SHOULD BE SUPERVISED NEAR DRYERS IN OPERATION FORYOURSAFETY DO NOT DRY MOPHEADS IN THE DRYER DO NOT USE DRYER IN THE P
27. door brush the lint off the lint screen and remove the lint Inspect lint screen and replace if torn NOTE The frequency of cleaning the lint screen can best be determined from experience at each location WEEKLY Clean lint accumulation from lint chamber thermostat and microprocessor temperature sensor sensor bracket area 34 90 DAYS Inspect and remove lint accumulation in customer furnished exhaust ductwork system from dryer s internal exhaust ducting WARNING THEACCUMULATION OFLINTIN THE EXHAUST DUCTWORK 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 A back draft damper that is sticking partially closed can result in slow drying and shutdown of heat circuit safety switches or thermostats When cleaning the dryer cabinets avoid using harsh abrasives A product intended for the cleaning of appliances is recommended B ADJUSTMENTS 7 DAYS AFTER INSTALLATION AND EVERY 6 MONTHS THEREAFTER Inspect bolts nuts screws bearing setscrews grounding connections and nonpermanent gas connections unions shutoff valves and orifices Motor and drive belts should be examined Cracked or seriously frayed belts should be replaced Tighten loose V belts when necessary Complete operational check of controls and valves Complete operational check of ALL safet
28. e L E D display will read FILL or Amount To Start b Insert coins 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 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 IMPORTANT Ifthe door is opened during a cycle both the heat and motor will stop However the microprocessor controller computer will continue to count downward in time Continuation of the cycle will resume only after the door has been closed and any other of the three 3 temperature selection buttons is again depressed d Once the preprogrammed dryness level and cool down period have been reached or the maximum automatic time has expired the tone buzzer will sound for 5 seconds and the L E D display will read donE at which time the dryer will shut off 28 NOTES 1 IftheAnti Wrinkle program is active the light emitting diode L E D display will continue to read donE and the microprocessor 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 or Amount To Start Ifthe Anti Wrinkle program is not active or in
29. ers refer to Illus B below This calculation compensates for the use of a maximum of three 3 elbows including the two 2 elbows creating the 180 turned downward outside outlet Illus B A CN m 2xD Ifthe length ofthe duct run or quantity of elbows used exceeds the above noted specifications the cross section area of the ductwork must be increased in proportion to the number of elbows or duct run added IMPORTANT For extended ductwork runs the cross section area of the duct can only be increased toanextent For extended ductwork runs a professional heating ventilating and air conditioning HVAC firm s tould be consulted for proper venting information 14 MULTIPLE DRYER COMMON VENTING HORIZONTAL VENTING If it is not feasible to provide separate exhaust ducts for each dryer ducts for 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 in the direction of the airflow No more than four 4 dryers should be connected to one 1 main common duct run The main common duct may be any shape so long as the minimum cross sectional area is provided The main duct should be tapered with the diameter increasing before each individual 8 inch 20 32 cm duct is added refer to C and D Illus C MULTIPLE DRYER VENT
30. g system by closing its individual manual shutoff valve during any pressure test of the gas supply system at test pressures equal to or less than 1 2 psig 3 5 kPa IMPORTANT Failure to isolate or disconnect the dryer from supply as noted can cause irreparable damage to the gas valve which will VOID THE WARRANTY WARNING FIRE OR EXPLOSION COULD RESULT 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or 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 energy and can create a safety hazard The dryer must be connected to the type of heat or gas indicated on the dryer data label that is located on the upper left side panel area behind the top control access door If this information does not agree with the type of gas available DO NOT operate the dryer Contact the dealer who sold the dryer or contact the Maytag Co 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 up to 2 000 feet 609 6 meters unless elevation requirements of over 2 000 feet 609 6 meters were specified at the time
31. 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 shutoff valves are open NOTE Dryers are equipped with a Direct Spark Ignition DSI system which has internal diagnostics Ifignition is not established after first attempt the heat circuit in the DSI module will lockout until it is manually reset To reset the DSI system open and close the main door and restart the dryer a A gas pressure test should be taken at the gas valve pressure tap of each dryer to assure that the water column W C pressure is correct and consistent NOTE Water column pressure requirements measured at the pressure tap ofthe gas valve body Natural Gas 3 5 Inches 8 7 mb Water Column Liquid Propane L P Gas 10 5 Inches 26 1 mb Water Column 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 a Door Switches b Hi Limit Thermostats c Cycling Thermostat NOTE The sail switch can be checked for proper operation by opening the lint door while heating circuit gas burner or electric oven is active on The heating unit should shut off within a few seconds If not make necessary adjustments to the sail switch
32. iring sequence must be changed 18 NOTE Component failure due to improper voltage application will VOID THE WARRANTY 3 Grounding A 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 Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canada Standards Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or 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 NOT ground to a gas pipe or hot water pipe The grounded cold water pipe must have metal to metal connection ALL the way to the electrical ground If there are any nonmetallic interruptions such as a meter pump plastic rubber or other insulating connectors they must be jumped out 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 Provisions are made for ground connection in each dryer at the electrical service connection area 4 Electrical Connections A wiring diagram is located inside the control box for connection data a Gas M
33. isplay will read FILL or Amount To Start Ifthe Anti Wrinkle program is not active or in use the L E D display will read FILL or Amount To Start 3 Free Dry Mode Microprocessor Controller Computer Models a When turning on power or when no cycle is in progress the L E D display will read FILL or FrEE 29 b Select Temperature The dryer will start the light emitting diode 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 or the vended time will count downward depending on the program parameter setting IMPORTANT Ifthe 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 ofthe cycle will resume only after the door has been closed and any other of the three 3 temperature selection buttons is again depressed c Once the preprogrammed dryness level and cool down period has been reached or the maximum automatic time has expired whichever comes first the tone buzzer will sound for 5 seconds and the L E D display will read donE at which time the dryer will shut off NOTES 1 Ifthe Anti Wrinkle program is active L E D display will continue to read donE and the microprocessor
34. lding If the ductwork travels vertically up through the roof it should be protected from the weather by using a 180 turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and the nearest obstruction i e roof or ground level IMPORTANT DO NOT use screens louvers or caps on the outside opening ofthe exhaust ductwork IMPORTANT Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C 12 NOTE As per National Fuel Gas Code Exhaust ducts for type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material Such ducts shall be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 0 0195 inches 26 gauge 0 05 mm thick SINGLE DRYER VENTING HORIZONTAL VENTING When horizontal single 8 inch 20 32 cm venting is used the ductwork to the outlet cannot exceed 30 feet 9 14 meters refer to Illus A below This calculation of 30 feet 9 14 meters compensates or allows for the use of a maximum of only one 1 elbow Illus A 13 VERTICAL VENTING When vertical single venting is used the minimum duct size is 10 inches 25 4 cm refer to B below the ductwork from the dryer to the outside outlet cannot exceed 60 feet 18 3 met
35. lean out doors should be installed throughout strategic points in the ductwork for periodic inspection and cleaning Whenever the duct passes through combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening The outside of the ductwork must be protected from the weather A 90 elbow must be used for horizontal run and when vertically through a roof by using a 180 turn to point the opening downward The distance between the exhaust duct and the nearest obstruction i e roof or ground must be twice the diameter of the duct DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER AND SCREEN IN PLACE EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED Exhaust ductwork outlets should not be located in an area directly where the make up air openings are located 17 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 to local and state regulations or codes In the absence of such codes ALL electrical connec
36. mended that exhaust or booster fans not be used in the exhaust ductwork system The exhaust ductwork should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible The shape of the ductwork is not critical so long as the minimum cross section area is provided Single or independent dryer venting is recommended It is suggested that the use of 90 turns be avoided use 30 or 45 angles instead The ductwork should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint When adding ducts the ducts to be added should overlap the duct to which it is connected ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Additionally inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning IMPORTANT When connecting ductwork to the dryer exhaust duct be sure that when screws are used they DO NOT restrict the operation both opening and closing ofthe damper NOTE When exhaust ductwork passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening To protect the outside end ofthe horizontal ductwork from the weather a 90 elbow bent downward should be installed where the exhaust exits the bui
37. mitting diode L E D display must read DOOR h Close the main door and restart the dryer i Functional check of microprocessor controller computer board is complete For Models With Johnson Controls Direct Spark Ignition DSI Module G760 Theory Of Operation Start the drying cycle When the gas burner ignites within the chosen trial for ignition time 6 seconds the flame sensor detects gas burner flame and signals the DSI module to keep the gas valve open as long as there is a call for heat The DSI module will LOCKOUT if the gas burner flame is not sensed at the end of the trial for ignition period The trial for ignition period will be repeated for a total of three 3 retries trials the initial try and two 2 more retries trials If the flame is not sensed at the end of the third retry trial inter purge period of 30 seconds the DSI module will LOCKOUT L E D flashes A steady L E D indicator indicates normal operation 46 For Direct Spark Ignition DSI System Models Manufactured With ADC Module Part No 880815 a Upon completing installation of the replacement DSI module reestablish power to the dryer b Starting the drying cycle c Theignition DSI module s light emitting diode L E D indicator will light red for up to er can Dryer Corp ADC P N 880815 MODEL MIL Green Ignition Sequence Confirmed Green Flame Ignition Failed e control
38. noted on the receipt 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 file a claim The freight company considers this concealed damage 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 Dryer and 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 The manufacturer assumes no responsibility for freight claims or damages B 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 or user should consult the local gas supplier for proper instructions to be followed in the event the user smells gas The instructions should be 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 Immediately 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
39. ns Cen eR e Ee MN ae 8 Location Requirements teet aether stet eeu I durat NEU eire isa NN dudit sapete ae etae dte Neto pode 9 Dryer Enclosure Requirer ents isses oca ct Rer aS EU esee nsu NE ee Qon Dosen E aa Ene nap dg uaa 10 D Fresh Air Supply Requirements sde 11 E Exhaust Requirements ieu edite ns RO IARE RUP reset DEN 12 Electrical Informations sistema 18 Ge Gas Information e 22 Preparation For Operation and Start Up ss 26 1 Preoperational Tests PRU 24 J Preoperational Instructions sentis reete Ree te ad n EO ud dn ven Sede eee 28 K Shutdown Instructions cereus inania eR Medias INR 31 SECTION IV SERVICE AND PARTS INFORMATION ee eene eee eee 32 A IVC RR CE 32 B pti ie 32 SECTION V WARRANTY INFORMATION ceret eee uoto eu ERE een YE en CYEN PN YY e ea PEE 33 Ac Warranty CSS ara diee appe A ne Dun is das 33 B Warranty ee E 33 SECTION VI ROUTINE ES 34 34 ana PEE 35 C D bricatiotr RAM A 35 SECTION VII TROUBLESHOOTI
40. odels Only NOTE ACIRCUIT SERVICING EACH DRYER MUST BE PROVIDED 1 Single Phase 1e Wiring Connections and Hookup The electrical input connections on ALL single phase 19 gas model dryers are made into the rear service box located at the upper left area of the dryer Single Phase 19 Electrical Connections Leads Black White Green Positive Neutral Ground or L2 MANZ390 If local codes permit power to the dryer can be made by the use of a flexible U L listed power cord or 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 20 5 ELECTRICAL SERVICE SPECIFICATIONS PER DRYER NOTES A When fuses are used they must be dual element time delay current limiting class RK1 or RK5 ONLY Calculate determine correct fuse value by applying either local and or National Elctrical Codes to listed appliance amp draw data B Circuit breakers are thermal magnetic industrial motor curve type ONLY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used SERVICE WIRE APPROX FUSING SIRCUIT 60Hz 50H Time Delay 120 19 2 8 7 15 15 7 2
41. rformed by a de gaz appelez le service des incendies qualified installer service agency or the gas supplier L installation et l entretien doivent tre assur s par un installateur ou un service d entretien qualifi ou par le fournisseur de gaz RETAIN THESE INSTRUCTIONS INASAFE PLACE FOR FUTURE REFERENCE 122898JEV cj Coin Standard 30 Part No 113064 Retain This Manual In Safe Place For Future Reference Our 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 should service this equipment OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation manual included with the dryer The following FOR YOUR SAFETY caution must be posted near the dryer in a prominent location FOR YOUR SAFETY POUR VOTRE S CURIT Do not store or use gasoline or Ne pas entreposer ni utiliser d essence other flammable vapors and ni d autres vapeurs ou liquides liquids in the vicinity of this or inflammables proximit de cet any other appliance appareil ou de tout autre appareil We have tried to make this manual as complete as possible and hope you will find it useful The manufacturer reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or
42. rical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION NOTE Failure to do so will VOID THE WARRANTY 9 UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices ever be disabled 10 This dryer is not to be used in the presence of dry cleaning solvents or fumes 11 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 12 READ AND FOLLOW ALL CAUTION AND DIRECTION LABELS ATTACHED TO THE DRYER 13 For safety proper operation and optimum performance the dryer must not be operated with a load less than sixty six percent 6696 19 Ibs 8 kg of its rated capacity WARNING 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 OFANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS IMPORTANT Dryer must be installed in a location environment which the ambient temperature remains between 40 4 44 C and 130 54 44 SECTION II SPECIFICATIONS A SPECIFICATIONS MAXIMUM CAPACITY DRY WEIGHT 30 lbs 13 6 kg BASKET TUMBLER DIAMETER 30 76 2 cm BASKET TUMBLER DEPTH 30 76 2 cm BASKET TUMBLER MOTOR 1 2 hp 0 373 kW DOOR OPENING DIAMETER 21 1227
43. s making scraping noise at basket tumbler area Check for object caught in basket tumbler and wrapper area Basket tumbler is out of proper alignment a Check both vertical and lateral alignment b Check gap between front panel and basket tumbler front setscrews may have come loose and basket tumbler walked forward or backwards Loose basket tumbler tie rod Failed basket tumbler support Excessive noise or vibration Dryer is not leveled properly Blower impellor fan out of balance a Excessive lint build up on blower impellor fan b Failed blower impellor fan Loose basket tumbler tie rod 40 Basket tumbler is out of adjustment or adjustment bolts hardware are loose Failed basket tumbler support Loose motor mount Failed idler or basket tumbler bearings V belts either too tight or too loose Main burners are burning with a yellow flame Burner air shutters are out of adjustment Insufficient make up air Dust or lint burner Insufficient gas pressure MECHANICAL COIN MODELS Heating unit is not operating all temperature selections Fault in sail switch circuit a Sail switch is out of adjustment or failed b Sail switch is not closing or fluttering 1 Check blower impellor fan motor and rotation direction 2 Restriction in location exhaust system Failed burner hi limit circuit Failed lint compartment automatic 225 F 107 C safety thermostat circ
44. set hi limit thermostat If this burner manual reset hi limit thermostat is open prior to the start of the drying cycle or during the cycle the dryer will not recognize the open state of the burner hi limit thermostat and will start or continue through the drying cycle with no heat Manual reset hi limit thermostat must be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper burner oven operation The location of the manual reset hi limit switch is on the right side of the burner box IMPORTANT IMPORTANT IMPORTANTE HEATING UNIT IS EQUIPPED WITH A HI LIMIT THERMOSTAT WHICH MUST BE RESET MANUALLY WARNING DISCONTINUE POWER TO DRYER BEFORE ATTEMPTING TO RESET HI LIMIT L L MENT CHAUFFANT EST QUIP D UN THERMOSTAT LIMITE MAXIMALE QUI DOIT TRE R GL MANUELLEMENT MISE EN GARDE COUPER LE COURANT D ALIMENTATION DU S CHE LINGE AVANT DE R GLER LA LIMITE MAXIMALE LA UNIDAD DE CALENTAMIENTO EST EQUIPADA CON UN TERMOSTATO DE L MITE SUPERIOR QUE DEBE REINICIALIZARSE MANUALMENTE ADVERTENCIA DESCONECTE LA ALIMENTACI N EL CTRICA LA SECADORA ANTES DE REINICIALIZAR EL LIMITE SUPERIOR ADC P N 114076 48 Part No 113064 1 01 12 99 150 2 03 26 99 150 3 12 15 99 150 MAYIAG 4 01 19 00 150 5 03 03 00 150 6 10 30 00 150 7 04 25 01 500 8 02 04 02 250 9 01 31 03 100 10 06 23 03 100 11 09 03 03 50
45. the dryer order was placed with the factory The adjustment or conversion of dryers in the field for elevations over 2 000 feet 609 6 meters is made by changing each burner orifice If this conversion is necessary contact the dealer who sold the dryer or contact the Maytag Co 22 2 Technical Gas Data a Gas Specifications TYPE OF GAS NATURAL LIQUID PROPANE Manifold Pressure 3 5 inches W C 8 7 mb 10 5 inches W C 26 1 mb In Line Pressure 6 0 12 0 inches W C 14 92 29 9 mb 11 0 inches W C 27 4 mb haded areas are stated in metric equivalents Measured at outlet side of gas valve pressure tap when gas valve is on b Gas Connections Inlet connection 1 2 N PT Inlet supply size 1 2 N P T minimum Btu hr input per dryer 90 000 22 680 kcal hr 1 Natural Gas Regulation is controlled by the dryer s gas valve s internal regulator Incoming supply pressure must be consistent between a minimum of 6 0 inches 14 92 mb and a maximum of 12 0 inches 29 9 mb of water column W C pressure 2 Liquid Propane L P Gas Dryers made for use with L P gas have the gas valve s internal pressure regulator blocked open so that the gas pressure must be regulated upstream of the dryer The pressure measured at each gas valve pressure tap must be a consistent 10 5 inches 26 1 mb of water column There is no regulator or regulation provided in
46. tions materials and workmanship must conform to the applicable requirements of the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances or the requirements stipulated in this manual can result in personal injury or component failure NOTE Component failure due to improper installation will VOID THE WARRANTY IMPORTANT Each circuit must be connected to an independently protected branch circuit accordance with electric codes for making service connections NOTE Theuse ofaluminum wire will VOID THE WARRANTY IMPORTANT A separate circuit servicing each dryer must be provided 2 Electrical Service Specifications a Electric Service IMPORTANT The dryer must be connected to the electric supply shown on the data label that 15 affixed to the upper left side panel area behind the top control access door In the case of 208 VAC or 230 240 VAC the supply voltage must match the electric service specifications ofthe data label exactly IMPORTANT accordance with electric codes for making service connections WARNING 208 VAC AND 230 240 VAC ARE NOT THE SAME Any damage done to dryer components due to improper voltage connections will automatically VOID THE WARRANTY NOTE On gas dryers to convert from 208 VAC to 230 240 VAC or visa versa the 24 VAC transformer w
47. to Dryer Enclosure Requirements in Section C 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 Dryer must be exhausted to the outdoors as noted in this manual refer to Exhaust Requirements in Section E 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 9 The dryer must be installed with a proper exhaust duct connection to the outside 10 The dryer must be installed with provisions for adequate combustion and make up air supply CAUTION This dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspect the exhaust ducting and remove any lint build up DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12 inches 30 48 cm above the dryer s outer top except along the front of the dryer which may be closed if desired NOTE Allowances must be made for opening the control door SASSSSSSSSSSSL NS X 12 inch 30 48 cm minimum 24 inches 60 96 cm is suggested for ease of maintenance NOTE Airconsiderations are important for proper and efficient operation Dryers m
48. to each dryer must be a minimum of 1 2 DO NOT REDUCE THIS PIPE SIZE REQUIREMENT The size of the main gas supply line header will vary depending on the distance this line travels from gas meter or in the case of L P gas the supply tank other gas operated appliances on the same line 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 pressure which will result in erratic operation ofthe burner ignition system PRESSURE REGULATOR YPICAL L P GAS INSTALLATION 24 Consistent gas pressure is essential at ALL gas connections It is recommended that a 3 4 inch 19 05 mm pipe gas loop be installed in the supply line servicing a bank of dryers An in line pressure regulator must be installed in the gas supply line header if the natural gas pressure exceeds 12 0 inches 29 9 mb of water column W C pressure Refer to the illustrations on the previous page NOTE A water column test pressure of 3 5 inches 8 7 mb for natural gas and 10 5 inches 26 1 mb for liquid propane 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 a 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 an
49. trol access door Check to assure that the dryer is connected to the type of heat or gas indicated on the dryer data label The sail switch damper assembly was installed and adjusted at the factory prior to shipping However each sail switch adjustment must be checked to assure that this important safety control is functioning Check bolts nuts screws terminals and fittings for tightness Be sure that ALL gas shutoff valves are in the open position Check ALL back guard panels and service box covers have been replaced Make sure the lint coop support bracket has been removed Check the lint door to assure that it 15 closed and secured in place 10 Rotate the basket tumbler and drum by hand to be sure it moves freely 11 Check bolts nuts screws terminals and fittings for security 12 Check basket tumbler bearing setscrews to ensure that they are ALL tight 26 I PREOPERATIONAL TESTS 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 the dryer 2 Referto the Operating Instructions for starting your particular model dryer 3 Whena gas dryer is first started during initial start up it has a tendency not to ignite on the first ignition attempt This is because the
50. uit Failed heat selector switch Heat unit is not operating for only one 1 temperature selection Failed thermostat corresponding to selection made Failed heat selector switch Dryer operates but is taking too long to dry load Heating unit cycling on hi limit thermostat Housekeeping 41 10 11 a Lint screen and lint compartment are not being cleaned on a regular basis b Lint accumulation in location exhaust system Insufficient make up air Failed hi limit thermostat Failed lint compartment automatic 225 107 safety thermostat circuit Extractors washers are not performing properly Low or inconsistent gas pressure Gas supply may have low heating value Sail switch is fluttering a Restriction in location exhaust system Exceptionally cold humid or low barometric pressure atmosphere Blower impellor fan motor rotation direction is incorrect 3 phase 30 models only Dryer is cycling on hi limit thermostat Blower impellor fan motor failure Blower impellor fan motor rotation direction is incorrect 3 phase 30 models only Insufficient make up air Restriction in location exhaust system a Undersized exhaust ducting Lint screen needs cleaning Failed hi limit thermostat 42 SECTION VIII DATA LABELINFORMATION A DATALABEL Contact Maytag Co 2 Ke a i GN MODEL CODE NUMBER XXXXXXXX ATTS at TYPE OF
51. use the L E D display will read FILL or Amount To Start 2 Timed Mode Microprocessor Controller Computer Models a When turning on power or when no cycle is in progress the L E D display will read FILL or Amount To Start b Insert coins Once the correct Amount To Start has been inserted 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 Thedryer will continue through the drying and cooling cycles showing time counting downward IMPORTANT Ifthe door is opened during a cycle both the heat and motor will stop However the microprocessor controller computer will continue to count downward in time Continuation ofthe cycle will resume only after the door has been closed and any other ofthe three 3 temperature selection buttons is again depressed e Upon completion of drying and cooling cycles the tone buzzer will sound for 5 seconds and the L E D display will read donE at which time the dryer will shut off NOTES 1 Ifthe Anti Wrinkle program is active the L E D display will continue to read donE and the microprocessor 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 d
52. y devices door switches lint drawer switch sail switch burner and hi limit thermostats C LUBRICATION The motor bearings idler bearings and under normal or most conditions the basket tumbler bearings are permanently lubricated It is physically possible to relubricate the basket tumbler bearings if you choose to do so even though this practice is not necessary Use Shell Alvania Z2 or its equivalent The basket tumbler bearings used in the dryer DO NOT have a grease fitting Provisions are made in the bearing housing for the addition of a grease fitting which can be obtained elsewhere or from the manufacturer by ordering kit Part No 882159 which includes two 2 fittings 35 SECTION VII 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 OFANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS The information provided will help isolate the most probable components associated with the difficulty described The 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 shoul
53. ytag Co NOTE Whenever contacting the Maytag Co 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 33 SECTION VI 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 determined from experience at each location Maximum operating efficiency is dependent upon proper air circulation The accumulation of lint can restrict this airflow If the guidelines in this section are met a Maytag dryer will provide many years of efficient trouble free and most importantly safe operation WARNING KEEP DRYERAREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS OR LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day IMPORTANT Dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspect the exhaust ducting and remove any lint build up SUGGESTED CLEANING SCHEDULE EVERY THIRD OR FOURTH LOAD Clean the lint screen every third or fourth load A clogged lint screen will cause poor dryer performance The lint screen is located behind the lint door in the base of the dryer Open the lint

American Dryer Corp. MDG-30 User's Manual

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