American Dryer Corp. MDG75V Clothes Dryer User Manual
Contents
1. 1 DO NOT store or use gasoline or other flammable vapors and liguids in the vicinity of this or any other appliance 2 Purchaser and 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 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 dryin2. MDG75V 1 000 CFM Phase 5 and D T Installation 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 vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch 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 MAYTAG AVERTISSEMENT Assurez vous de bien suivre les instructions donn es dans cette notice pour r duire au minimum le risque d incendie ou d explosion ou pour viter tout dommage mat riel toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables a proximit de cet appareil ou de tout autre appareil OUE FAIRE SIVOUS SENTEZ UNEODEUR DEGAZ Ne pas tenter d allumer d appareils Ne touchez aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le b timent vacuez la pi ce le b timent ou la zone Appel
3. 14 IMPORTANT VENTING REMINDERS Ductwork size and installation should be done by a gualified 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 For single dryer venting the size of the ductwork must be a minimum of 8 inches 20 32 cm for short runs refer to the illustration on page 16 For longer runs the diameter must be increased 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 cleaning doors should be installed throughout strategic points in the ductwork for periodic inspection and cleaning Wherever the ductwork 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
4. 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 in a drawer below the main door Open the lint drawer brush or vacuum 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 WARNING TO AVOID THE HAZARD OF ELECTRICAL SHOCK DISCONTINUE ELECTRICAL SUPPLY TO THE DRYER 90 DAYS Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer s internal exhaust ducting WARNING DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION AIR WARNING INSPECT AND REMOVEANY 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 cabinet s avoid using harsh abrasives A product intended for the cleaning of appliances is r
5. Test ALL connections for leaks by brushing on a soapy water solution liquid detergent works well ALL components materials must conform to National Fuel Gas Code Specifications ANSIZ223 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 of that 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 of the gas supply system at test pressures equal to or less than 1 2 psig 3 5 kPa IMPORTANT This gas dryer is not provided with an internal gas supply shut off and an external gas supply shut off must be provided 28 H PREPARATION FOR OPERATION START UP The following items should be checked before attempting to operate the dryer 1 2 10 11 12 Read ALL CAUTION WARNING and DIRECTION labels attached to the dryer Check incoming supply voltage to be
6. ALLOWED TO PLAY ON OR NEAR THE DRYER S CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION FOR YOUR SAFETY DO NOT DRY MOP HEADS IN THE DRYER DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled WARNING The dryer must never be operated with any of the back guards outer tops or service panels removed PERSONALINJURY OR FIRE COULD RESULT WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER SCREEN IN PLACE EVEN IFAN EXTERNAL LINT 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 Table of Contents SECTION I IMPORTANT INFORMATION esse des vassssig gese s es ge see Ges sees dee ig die sesde eg ee ed doe Az Reosiviig and Handing ai a ss dan pao Re iia By Safety Preca OS EE EE EG GE ee a ct adn SECTION I SPECIFICATIONS iste Ses dee sea ees ER ee Ge Ede Oe Ge Ge Ge ee be ve geb dee ee eo Ede sie Di EE EE EE EE B Component Identification i s EE se GR EERS vas Bee Ke ER ee Dee KAAR GN Rek ERG ee se de GR KERS ed Ede SECTION III INSTALLATION PROCEDURES siscsissss
7. 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 610 meters unless elevation requirements of over 2 000 feet 610 meters were specified at the time the dryer order was placed with the factory The adjustment or conversion of dryers in the field for elevations over 2 000 feet 610 meters is made by changing each burner orifice If this conversion is necessary contact the Maytag dealer who sold the dryer or contact the Maytag Co 25 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 Shaded 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 3 4 N P T Inlet supply size 3 4 N P T minimum Btu hr input per dryer 175 000 44 100 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 water column W C pressure 2 Liquid Propane L P Gas Dryers made for u
8. 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 Refer to the Operating Instructions for starting your particular model dryer 3 GAS MODELS ONLY a When a 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 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 Gas dryers are equipped with a Direct Spark Ignition DSD system which has internal diagnostics If ignition is not established within three 3 times 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 b 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 of the 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 b
9. personal injury and improper operation of the 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 piping 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 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 B 149 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 gas indicated on the dryer data label affixed to 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 Maytag dealer who sold the dryer or contact the
10. sure that it is the same as indicated on the dryer data label affixed to the upper left side panel area behind the top control access door In the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications of the data exactly GAS MODELS Check to assure that the dryer is connected to the type of heat gas indicated on the dryer data label GAS MODELS 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 Refer to sail switch adjustment on page 31 Check bolts nuts screws terminals and fittings for tightness and security GAS MODELS Be sure that ALL gas shutoff valves are in the open position Check ALL back guard panels and service box covers have been replaced Check the lint drawer to assure that it is closed and secured in place Rotate the basket tumbler drum by hand to be sure it moves freely Check basket tumbler bearing setscrews to insure that they are ALL tight Check vent is connected to the dryer and is exhausted to the outdoors There should be a source of fresh air entering the room This source should not be near where the dryers exhaust to the outside 29 I PREOPERATIONAL TESTS ALL dryers are thoroughly tested and inspected before leaving the factory However a preoperational test should be performed before the dryer
11. sure to rotate move hinge back to the upward stop position 36 SECTION VI TROUBLESHOOTING IMPORTANT YOU MUST DISCONTINUE AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE DRYER 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 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 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 ALLSERVICE AND TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED PROFESSIONAL OR SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALLSAFETY 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 F
12. 25 feet 7 62 meters The minimum diameter of this ductwork must be at least 8 inches 20 32 cm In the case of multiple common dryer venting the distance from the last dryer to the outside exhaust outlet must not exceed 15 feet 4 57 meters The shape of the ductwork is not critical so long as the minimum cross sectional area is provided It is suggested that the use of 90 turns be avoided use 30 and or 45 angles instead The radius of the elbows should preferably be 1 1 2 times the diameter of the duct Including basket tumbler dryer elbow connections or elbows used for outside protection from the weather no more than two 2 elbows should be used in the exhaust duct run If more than two 2 elbows are used the cross sectional area of the ductwork must be increased ALL ductwork 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 ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork Vertical Venting When single dryer venting is used the length of the ductwork from the dryer to the outside exhaust outlet must not exceed 15 feet 4 57 meters The minimum diameter of this ductwork must be at le
13. COPPER CONDUCTOR CABLE of proper ampacity and insulation in accordance with electrical codes for making service connections NOTE The use of aluminum wire will VOID THE WARRANTY IMPORTANT A separate circuit servicing each dryer must be provided 2 Electrical Service Specifications a Electric Service 1 Gas Models 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 In the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications of the data label exactly IMPORTANT USE ONLY COPPER CONDUCTOR CABLE of proper ampacity and insulation in accordance with electrical codes for making service connections 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 On gas dryers to convert from 208 VAC to 240 VAC or visa versa the 24 VAC transformer wiring sequence must be changed 19 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
14. MBER XXXXXX gt ps ee Ne gt N 2 TVD a AF Esp en IN GT PE OF HEA HE A 6 GAS NATURAI LIEN PEN TE y Ne 1 Z ELECTRIC SERVICE JAS MANIFO RE IE D 35 IN WC FOR US ITH GA ANSI 22152 CLOTHES DRYEI Ol ECHEUSE OL 2 FOR CANADIAN INSTALLATIONS WI IONS BETWEEN 2 000 AND 4 500 ORIFICE SIZE SE CERTIFIED RAR 1 When contacting the Maytag dealer or the Maytag Co certain information is required to insure proper service parts information This information is on the data label affixed to the upper left side panel area behind the top control access door When contacting Maytag 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 of the 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 the manufacturer 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 or steam 5 HEAT INPUT for GAS DRYERS This describes the heat input in British Thermal Units per Hour BTUH 6 ORIFICE SIZE for GAS DRYERS Gives the number drill size used 7 ELECTRIC SERVICE This de
15. UPPLY 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 SECTION I SPECIFICATIONS A SPECIFICATIONS MAXIMUM CAPACITY DRY WEIGHT 75 Ibs 34kg BASKET TUMBLER DIAMETER 37 94 cm BASKET TUMBLER DEPTH 36 91 5 cm BASKET TUMBLER MOTOR 1HP 0 745 kw DOOR OPENING DIAMETER 21 1 2 54 61 cm BASKET TUMBLER VOLUME 22 4 cu ft 0 634 cu m EXHAUST CONNECTION DIAMETER 8 20 3 cm AIRFLOW 1000 cfm 28 3 cmm DRYERS PER 207 40 CONTAINER 10 20 DRYERS PER 48 53 TRUCK 24 26 V d G VOLTAGE AVAILABLE 120 460v 10 30 3 4w 50 60 Hz APPROX WEIGHT UNCRATED 721 Ibs 327 kg APPROX WEIGHT CRATED 771 Ibs 349 7 kg HEAT INPUT 175 000 btuh 44 100 kcal hr INLET PIPE CONNECTION 3 4 FP Shaded areas are stated in metric equivalents ALL MDG75V reversing dryers are supplied with two 2 3 phase 3g motors standard a 1 2 HP 0 37 kw blower motor and a 1 2 HP 0 37 kw drive motor Size of piping to dryer varies with installation conditions Contac t factory for assistance Specifications MDG75V SPEC639 JEV 4 23 02 NOTE Manufacturer reserves the right to make changes in specifications at any time without notic
16. ailed 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 arc suppressor A S board for reversing models only 37 Failed drive motor Failed microprocessor controller computer Drive motor reversing operates in one 1 direction only stops and restarts in same direction Failed drive motor contactor relay Failed arc suppressor A S board for reversing models only 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 Blower motor is not operating does not start Failed blower motor contactor relay Failed arc suppressor A S board for reversing models only Failed motor Failed microprocessor controller computer Blower 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 Failed out of balance impellor fan B
17. ast 8 inches 20 32 cm In the case of multiple common dryer venting the distance from the last dryer to the outside exhaust outlet must not exceed 15 feet 4 57 meters The shape of the ductwork is not so critical so long as the minimum cross sectional area is provided It is suggested that the use of 90 turns be avoided use 30 and or 45 bends instead The radius of the elbows should preferably be 1 1 2 times the diameter of the duct ALL ductwork 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 ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork 14 IMPORTANT Exhaust back pressure measured by a manometer in the exhaust duct must be no less than 0 and must not exceed 0 3 inches 0 75 mb of water column W C NOTE When the 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 a Outside Ductwork Protection 1 To protect the outside end of the horizontal ductwork from the weather a 90 elbow bent downward should be ins
18. ation in prices specifications colors and material and to change or discontinue models The illustrations included in this manual may not depict your particular dryer exactly Important For your convenience log the following information DATE OF PURCHASE MODEL NO 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 lowa 50208 641 787 7000 IMPORTANT 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 ina prominent location near the dryer IMPORTANT YOU MUST DISCONNECTAND 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 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 BE LEFT UNATTENDED WHILE IN OPERATION WARNING CHILDREN SHOULD NOT BE
19. ce 3 phase 39 models only While the dryer is operating check to see if the blower impellor fan wheel is rotating in the proper direction Looking from the front the blower impellor fan wheel 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 If the blower impellor fan wheel is rotating in the wrong direction this will not only drastically reduce drying efficiency but it can also cause premature component failure 31 J PREOPERATIONAL INSTRUCTIONS OPL MODELS 1 To start the dryer a Microprocessor controller computer dryers 1 The light emitting diode L E D display will read FILL 2 Press the E on the keyboard touch pad 3 The L E D display will quickly show Ld30 LC04 and F180 The dryer will start and the L E D display will show dr30 K 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 GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shutoff valve 32 SECTION IV SERVICE PARTS INFORMATION A SERVICE 1 Service must be performed by a gualified trained tech
20. d 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 ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork NOTE When the 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 a Outside Ductwork Protection 1 To protect the outside end of the horizontal ductwork from the weather a 90 elbow bent downward should be installed where the exhaust exits the building 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 IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork 16 3 Multiple common Dryer Ventin HORIZONTAL IDORTANT T IMPORTANT For extended ductwork runs the cross section area of the ductwork can only be increased to an extent When the
21. d gas valve P Heating unit is not operating no heat and heat indicator dot is on GAS MODELS ONLY 1 Faultin sail switch circuit a Sail switch is out of adjustment or has failed 40 b Sail switch damper is not closing or is fluttering 1 Lint screen is dirty 2 Restriction in exhaust ductwork Fault in burner hi limit circuit or tripped manual reset hi limit Fault in lint chamber sensor bracket or tripped manual reset hi heat protector thermostat Failed Direct Spark Ignition DSI module Failed DSI ignitor flame probe assembly Failed microprocessor controller computer Dryer operates but is taking too long to dry Exhaust ductwork run too long or is undersized back pressure must be no less than 0 and must not exceed 0 3 inches 0 75 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 and or inconsistent gas pressure for gas models only Insufficient make up air Poor air gas mixture at burner yellow or poor flame pattern adjust gas burner air adjustment shutters for gas models only 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 ductwork for gas models only Failed microprocessor controller computer temperat
22. d 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 1 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 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 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 Manufacturer assumes no responsibility for freight claims or damages B SAFETY PRECAUTIONS
23. ductwork approaches the maximum limits noted in this manual a professional heating venting and air conditioning HVAC firm should be consulted for proper venting information ALL ductwork 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 ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork NOTE When the 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 a Outside Ductwork Protection 1 To protect the outside end of the horizontal ductwork from the weather a 90 elbow bent downward should be installed where the exhaust exits the building 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 IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork 17 10 11 12 13
24. e or obligation B COMPONENT IDENTIFICATION 1 Dryer Front View EEN PT G F he a Nee ESE NE N o PONE ia E EV 5 6 02 d MAN6164 Illus No Description Controls Control top access Door Assembly Main Door Assembly Lint Compartment Area lint screen located behind lint door or left sidewall Data Label and Installation Label affixed to the upper left side panel area behind the top control access door UM PULP 2 Dryer Rear View Illus No Oo I OO LU R D KR Description Heating Unit Electric Service Relay Box Basket tumbler Bearing Mount Assembly Idler Bearing Mount Assembly Blower Motor Assembly for reversing models only Leveling Legs rear Basket drive Motor Assembly Dryer Exhaust SECTION IN 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 ANSIZ223 1 LATEST EDITION National Fuel Gas Code or ANSI NFPA NO 70 LATEST EDITION National Electrical Code 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 or Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION for Electr
25. e added to each dryer 4 Make a complete operational check of ALL safety related circuits a Door Switch es b Hi Limit Thermostats c Cycling Thermostat d GAS MODELS ONLY Sail Switch 30 NOTE To check for proper sail switch operation open the main door and while holding main door switch plunger in start dryer Dryer should start but heat circuit should not be activated on If the heat system is activated the sail switch is improperly adjusted and must be adjusted by bending the actuator arm of the sail switch toward the burner box If the actuator arm is bent too far toward the burner box of the dryer the dryer may not have heat when needed After any adjustment to the sail switch the above procedure must be repeated to verify proper operation of the sail switch 5 Make acomplete 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 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 sequen
26. e 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 13 E EXHAUST REOUIREMENTS 1 General Exhaust Ductwork Information Exhaust ductwork should be designed and installed by a gualified professional Improperly sized ductwork will create excessive back pressure which results in slow drying increased use of energy overheating of the dryer and shutdown of the burner by the airflow sail switches burner hi limits or basket tumbler hi heat thermostats The dryer must be installed with a proper exhaust duct connection to the outside CAUTION This dryer produces combustible lint and must be exhausted to the outdoors CAUTION DRYER MUST BE EXHAUSTED TO THE OUTDOORS CAUTION IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD The 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 Single or independent dryer venting is recommended IMPORTANT It is recommended that exhaust or booster fans not be used in the exhaust ductwork system Horizontal Venting When single dryer venting is used the length of ductwork from the dryer to the outside exhaust outlet must not exceed
27. e 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 ALL cases a strain relief must be installed where the wiring enters the dryer and service box area 6 3 Phase 36 Wiring Connections Hookup for reversing models only The electrical connections on ALL 3 phase 34 gas dryers are made into the rear service box located at the upper left area of the dryer Electrical connections for electrically heated dryers are made in the electric oven area located at the upper rear area of the dryer If local codes permit power to a gas 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 ALL cases a strain relief must be installed where the wiring enters the dryer The only electrical input connections to the dryer are the 3 phase 39 power leads L1 L2 L3 and sometimes neutral and ground Single phase 14 power for the control circuit is done internally to the dryer No single phase 19 input connection is required on a 3 phase 39 dryer GROUND CONNECTION For gas dryers manufactured for operation at 3 phase 39 the electrical connections are made at the power distribution block located in the service box at the rear upper left corner of the dryer The gro
28. ecommended 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 safety devices door switches lint drawer switch sail switch burner and hi limit thermostats C LUBRICATION The motor bearings idler bearings and under normal 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 2 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 Maytag by ordering kit Part No 882159 which includes two 2 fittings 35 D LINT DRAWER REMOVAL To remove the lint drawer from the dryer pull drawer out approximately halfway Rotate move lint drawer stop hinge refer to the illustration below downward and pull drawer out IMPORTANT After replacing the lint drawer back into the dryer be
29. ed 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 11 C DRYER ENCLOSURE REOUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12 inches 30 48 cm 18 inches 45 72 cm or more is recommended for ease of installation maintenance and service above the dryer s outer top except along the front of the dryer which may be partially closed in if desired The clearance between the bulkhead header and the dryer must be a minimum of 4 inches 10 16 cm and must not extend more than 4 inches 10 16 cm to the rear of the front The bulkhead facing must not be closed in ALL the way to the top of the dryer A 1 inch 2 54 cm clearance is required IN CASES WHERE SPRINKLER HEADS ARE OVER THE DRYERS 18 4572 CM IS SUGGESTED INSTALLATION DRYER Cl EARANCE TO ADJACENT WALI STRIUICTURES INSTALLATION DRYER CLEARANCE TO ADJACENT WALL STRUCTURES NOTE Allowances must be made for the opening of the control door Dryers may be positioned sidewall to sidewall However a 1 16 1 5875 mm minimum allowance must be made for the 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 a
30. een Positive Neutral Ground or L2 YAY LI EN Qu A PO ATA RINT ES gt EOIN LZ LUNNEL TUIN 4 N ME MAN2390 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 21 5 3 Phase 39 Wiring Connections Hookup for non reversing models only The only electrical input connections to the dryer are the 3 phase 39 power leads L1 L2 L3 and sometimes Neutral and ground Single phase 1g power for the control circuit is done internally to the dryer No single phase 19 input connection is required on a 3 phase 39 dryer IMPORTANT A CIRCUIT SERVICING EACH DRYER MUST BE PROVIDED a Gas Models 1 3 Phase 39 Wiring Connections Hookup For gas dryers manufactured for operation at 3 phase 39 the electrical connections are made at the power distribution block located in the service box at the rear upper left corner of the dryer The ground connection is made to the copper lug also provided in this box To gain access to the service box and contactor the service box cover must be removed MAN2389 22 If local codes permit power to a gas dryer can be made by th
31. ez imm diatement votre fournisseur de gaz depuis un voisin Suivez les instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur de gaz appelez le service des incendies 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 INA SAFE PLACE FOR FUTURE REFERENCE 112602JEV mcronan Part No 113160 Retain This Manual In A Safe Place For Future Reference This product embodies 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 a 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 oblig
32. g 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 the 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 Electrical 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 dryer door switches lint drawer switch or heat safety circuit 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 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 66 50 lbs 22 7 kg of its rated capacity WARNING YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC S
33. here 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 10 CAUTION This dryer produces combustible lint and must be exhausted to the outdoors Every six 6 months inspect the exhaust ducting and remove any lint build up B UNPACKING SETTING UP Remove protective shipping material i e plastic wrap and or optional shipping box from dryer IMPORTANT Dryer must be transported and handled in an upright position at ALL times 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 To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear 1 Leveling Dryer The dryer is equipped with four 4 leveling legs one 1 at each corner of the base Two 2 are locat
34. ical Connections A LOCATION REOUIREMENTS 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 L P Gas or LATEST EDITION for General Installation and Gas Plumbing 1 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 and or weather 3 The dryer is for use in noncombustible locations 4 Provisions for adequate air supply must be provided as noted in this manual refer to Fresh Air Supply Requirements in Section D 5 Clearance provisions must be made from 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 as noted in this manual refer to Exhaust Requirements in Section E 8 Dryer must be located in an area w
35. 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 N i a a Gas Models 0 mo E NOTE A CIRCUIT SERVICING EACH DRYER j m Va MUST BE PROVIDED ELECTRIC SERVICE BOX COUR de 1 Single Phase 1g Wiring Connections Hookup The electrical input connections on ALL single phase 1 gas dryers are made into the rear service box located at the upper left area of the dryer A 20 SINGLE PHASE 1 ELECTRICAL CONNECTIONS LEADS Black White Gr
36. isncssseseesdscscassaceasesassavsatsecosecssss nansesedeaacesens 10 A LOCAICNREQUIEEMENES isla teens 10 B Unpaekimeisetiie UP ie ES SES GE ad 11 C Dryer Enclostre Requirements islas 12 D Fresh Air Supply Requirements A AA RAR 13 E EXRaust Requiem setool o 14 E Electrical In A A Eg Ge 19 G Gas Information lid tias silos 25 H Preparation For Operations Start UP iets en et era Ge ts dns tes 29 E Preoperational Tests vero 30 J Preoperational IMS Cons yee issue De NG SE BE Re a ans GE GR ES Ge de ne eee 32 K Shutdowna structions ineine EE ea bg eg Ee ge e a iae eg ee se Ee 32 SECTION IV SERVICE PARTS INFORMATION ooccccccccconsocnccscononoconanoccnnnnccccncnccccnncancconacanccnnnss 33 A tn RE EE OE OE ne cts 33 AE OER TE N EE OE 33 SECTION V ROUTINE MAINTENANCE sessies ese ese ee ee sd Ge ed ee ed Ge ei de seost soosse seess ie oe 34 A nadar 34 B AQUI DE da asst ule EES GE NE Ee Oe EG Ge Oe ee EE 35 C PACA diia nd Ee Ee cobos 35 DD Eeimt Drawer Removal svc Ee SE ee EE Ee ee RE cach RR era Ee ee 36 SECTION VI TROUBLESHOOTING soci dees idee sede dese ree lee ede sede ede ee ee Bu dee Ses 37 SECTION VII DATA LABEL INFORMATION cccssccccccscssccccscccccccccscccccsccsccccesccccsccccccssees 43 HAD EIE RA OE EE AE N OE MOE EE OE N aE EI NEE id 43 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 00d 45 SECTION I IMPORTANT INFORMATION A RECEIVING AND HANDLING The dryer is shippe
37. nd service to be measured from the back guard Refer to the illustration above for details NOTE Airconsiderations are important for proper and efficient operation IMPORTANT Even thougha minimum of only 12 inches 30 48 cm is required 18 inches 45 72 cm or more is suggested The additional clearance is advantageous for ease of installation and service IMPORTANT When fire sprinkler systems are located above the dryers a minimum of 18 inches 45 72 cm above the dryer console module is required Dryers may be positioned sidewall to sidewall however a 1 16 1 5875 mm minimum allowance is required between dryers or wall for ease of installation and maintenance Allowances must be made for the opening and closing of the control door and the lint door 12 D FRESH AIR SUPPLY REOUIREMENTS When the dryer is operating it draws in room air heats it passes this air through the basket tumbler and exhausts it out of the building Therefore the room air must be continually replenished from the outdoors If the make up air is inadequate drying time and drying efficiency will be adversely affected Ignition problems and sail switch fluttering problems may result as well as 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 An airflow of 1 000 cfm cubic feet per minu
38. nician service agency or gas supplier If service is required contact the Maytag dealer from whom the 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 33 SECTION V 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 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
39. ocal codes IMPORTANT Figures shown are for non reversing models ONLY For reversing models contact the factory 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 In the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications of the data label exactly IMPORTANT The wire size must be properly sized to handle the related current WARNING 208 VAC AND 240 VACARE NOT THE SAME 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 orobligation 24 G GAS INFORMATION It is 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 Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in
40. of the exhaust ductwork Exhaust back pressure measured by a manometer at the dryer s exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 75 mb of water column W C Exhaust ductwork outlets should not be located in an area directly where make up air openings are located WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER 15 SCREEN IN PLACE EVEN IFAN EXTERNAL LINT COLLECTION SYSTEM IS USED It is recommended that exhaust or booster fans not be used in the exhaust ductwork system 18 F ELECTRICAL INFORMATION 1 Electrical Reguirements It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adeguate and conforms to local and state regulations or codes In the absence of such codes ALL electrical connections 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 and 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 IMPORTANT USE ONLY
41. oth drive motor and blower motor are not operating DO NOT start microprocessor controller computer motor indicator dots are on 38 Fault in main door switch circuit Blown fuse 2 Amp very fast acting fuse if applicable Failed arc suppressor A S board for reversing models only Failed microprocessor controller computer Failed 24 VAC transformer Both drive motor and blower motor run a few minutes and then stop 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 is out of adjustment c Loose connection in door switch circuit Microprocessor controller computer display reads dSFL Fault in microprocessor heat sensing circuit 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 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 keyboard touch pad en
42. pplied The dryer is provided with a 3 4 N P T inlet pipe connection located at the right side of the base of the dryer The minimum pipe size supply line to the dryer is 3 4 N P T For ease in servicing the gas supply line of each dryer must have its own shutoff valve The size of the main gas supply line header will vary depending on the distance this line travels from the 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 27 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 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 and L P gas must be used IMPORTANT
43. scribes the electric service for your particular 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 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1 Microprocessor Controller computer Board a Uponcompleting installation of the replacement microprocessor controller 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 microprocessor controller computer light emitting diode L E D display are on Refer to the illustration below EWD FOWD MAN2162 REVER d Verify that the motor s heat and door indicator lights on the back side of the microprocessor controller computer board are lit Refer to the illustration below TITO AMT Tali J 2 00 00000008 S ae ele a a E T D N A e Ce y AD on UU Ed EI e e e Oe 4 lan Ly ya Di ad F l gt Es Pa e y AJET HEAT 45 e Open main door The dryer must stop and ALL indicator lights on the back side of the microprocessor controller computer board must go out Refer to
44. se 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 water column There is no regulator or regulation 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 BTU Natural Liquid Propane Liquid Propane MODEL Per Hour kcal hr Conversion Kit NUMBER Ratin Part x Part Part Number Rating 8 Qty D M S Number Qty D M S Number MDG75V 175 000 44 100 4 30 140819 4 49 140803 883329 Shaded area is stated in metric equivalent Drill Material Size D M S equivalents are as follows Natural Gas ees esse ese 30 0 1285 3 2639 mm LPGA eii 49 0 0730 1 8542 mm 26 Piping Connections ALL components materials must conform to National Fuel Gas Code Specifications ANSIZ223 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 su
45. talled where the exhaust exits the building 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 IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork NOTE A 2 Single Dryer Venting When possible it is suggested to provide a separate exhaust duct for each dryer The exhaust duct 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 It is suggested that the use of 90 turns in the ducting be avoided use 30 and or 45 angles instead The shape of the exhaust ductwork is not critical so long as the minimum cross section area is provided IMPORTANT Exhaust back pressure measured by a manometer in the exhaust duct must be no less than 0 and must not exceed 0 3 inches 0 75 mb of water column 15 PLLLZZZLZZL7 273 IMPORTANT For extended ductwork runs the cross section area of the ductwork can only be increased to an extent When the ductwork approaches the maximum limits noted in this manual a professional heating venting and air conditioning HVAC firm should be consulted for proper venting information ALL ductwork shoul
46. te 28 3 cmm cubic meters per minute must be supplied to 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 The dryer must be installed with provisions for adequate combustion and make up air supply T T 112 142 046 m 046 m 1 1 MAKE UP AIR OPENINGS r IMPORTANT Make up air openings should not be located in an area directly near where exhaust vents exit the building To compensate for the use of registers or louvers used over the openings this make up air must be increased by approximately thirty three percent 33 Make up air openings should not be located in an area directly near where exhaust vents exit the building 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 ALL the dryers EXAMPLE For a bank of four 4 dryers two 2 unrestricted openings measuring 2 feet by 1 1 2 feet 0 61 meters by 0 46 meters 6 square feet 0 56 square meters is acceptable Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes or predominantly low pressure areas IMPORTANT Mak
47. the illustration on the previous page f Try to restart the dryer with the main door open g The microprocessor controller computer board s light emitting 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 DST 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 No L E D indicator indicates a power or an internal failure has occurred 46 MAYTAG 113160 1 11 27 02 25
48. tries are selected the L E D display continues to read FILL Failed keyboard touch pad label assembly Failed microprocessor controller computer 39 L Microprocessor controller computer will only accept certain keyboard touch pad entries 1 Failed keyboard touch pad label assembly 2 Failed microprocessor controller computer M Microprocessor controller computer locks up and light emitting diode L E D display reads erroneous message s or only partial segments 1 Transient power voltage spikes disconnect power to dryer wait 1 minute and reestablish power to dryer If problem is still evident a Failed keyboard touch pad label assembly b Failed microprocessor controller computer N Dryer stops during a cycle and L E D display returns to FILL 1 Fault in microprocessor heat sensor circuit a Loose connection in wires between temperature sensor and microprocessor controller computer 2 Loose connection somewhere in main power circuit to microprocessor controller computer O No heat for gas models only ignitor sparks burner goes on and off right away 1 Direct Spark Ignition DSI ignitor flame probe is out of adjustment reposition closer to the flame area 2 Sail switch is fluttering a Lint screen is dirty b Restriction in exhaust ductwork 3 Insufficient make up air 4 Failed ignitor flame probe assembly 5 Failed DSI module 6 Faile
49. und connection is made to the copper lug also provided in this box To gain access to the service box contactor the service box cover must be removed TO DRIVE MOTOR TO IMPELLOR CAUTION The dryer must be grounded A ground lug has been provided for this purpose 23 MDG75V GAS ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 VAC AND 240 VAC ARE NOT THE SAME When ordering specify exact voltage NOTES A When fuses are used they must be dual element time delay current limiting dass RK1 or RK5 ONLY Calculate determine correct fuse value by applying either local and or National Electrical Codes to listed appliance amp draw data B Circuit breakers are thermal magnetic industrial motor curve type ONLY For others cal culate verify correct breaker size according to appliance amp draw rating and type of breaker used C Circuit breakers for 3 phase 35 dryers must be 3 pole type APPROX FUSING SERVICE piace WIRE AMP DRAW MINIMUM Dual CIRCUIT VOLTAGE SERVICE WIRE SIZE Element BREAKER 60Hz 50Hz Time Delay 120 lg 2 13 20 20 208 lg 2 7 6 15 15 240 lg 2 7 a 15 15 208 30 3 4 7 X 15 15 240 30 3 4 9 5 5 15 15 380 400 39 3 4 2 9 15 15 416 39 3 4 3 1 15 15 460 480 30 3 4 2 8 15 15 AWG Stranded Wire Type size wire as per National Electrical Code or l
50. ure calibration is inaccurate Failed microprocessor temperature sensor calibration is inaccurate Condensation on main door glass Too long undersized or improperly installed ductwork Back draft damper is sticking in partially closed position 41 Dryer is making scraping noise at basket tumbler area Check for object caught in basket tumbler 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 and or vibration Dryer is not leveled properly Impellor fan blower is out of balance a Excessive lint build up on impellor fan blower b Failed impellor fan blower Loose basket tumbler tie rod Basket tumbler is out of adjustment or adjustment bolts hardware are loose Failed basket tumbler support Loose motor mount Failed idler and or basket tumbler bearings V belt s either too tight or too loose Main burners are burning with a yellow flame for gas models only Burner air shutters are out of adjustment Insufficient make up air Dust and or lint in burner Insufficient gas pressure 42 SECTION VI DATA LABEL INFORMATION A DATALABEL EN l 3 ye Te 4 MODEL SERIAL NU
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