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MDG75V

(1.000 CFM/Phase 5 and D.T.)

Installation Manual

112602JEV/mcronan

Part No. 113160

RETAIN THESE INSTRUCTIONS IN A SAFE

PLACE FOR FUTURE REFERENCE

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.

AVERTISSEMENT:  Assurez-vous de bien
suivre les instructions données dans cette notice
pour réduire au minimum le risque d’incendie
ou d’explosion ou pour éviter tout dommage
matériel, toute blessure ou la mort.

— Ne pas entreposer ni utiliser d’essence ni

d’autres vapeurs ou liquides inflammables à
proximité de cet appareil ou de tout autre
appareil.

— QUE FAIRE SI VOUS SENTEZ UNE ODEUR

DE GAZ:

Ne pas tenter d’allumer d’appareils.

Ne touchez à aucun interrupteur.  Ne pas
vous servir des téléphones se trouvant dans
le bâtiment.

Évacuez la pièce, le bâtiment ou la zone.

Appelez immédiatement 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.

— L’installation et l’entretien doivent être assurés par

un installateur ou un service d’entretien qualifié
ou par le fournisseur de gaz.

Summary of Contents for MDG75V

Page 1: ...Installation and service must be performed by a qualified installer service agency or the gas supplier AVERTISSEMENT Assurez vous de bien suivrelesinstructionsdonnéesdanscettenotice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel touteblessureoulamort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables à proximité de...

Page 2: ...tions 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 OFPURCHASE ________________________________ MODEL NO __________________________________________ DEALER SNAME ____________________________________________________________________________...

Page 3: ...FNEARDRYERSINOPERATION CAUTION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION FORYOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper operati...

Page 4: ...displayedontheequipmentand or specified in the installation manual included with the dryer WARNING DRYER MUST NEVER BE OPERATEDWITHOUTTHE LINTFILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED 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 ...

Page 5: ...acking SettingUp 11 C DryerEnclosureRequirements 12 D FreshAirSupplyRequirements 13 E ExhaustRequirements 14 F ElectricalInformation 19 G GasInformation 25 H Preparation For Operation Start Up 29 I PreoperationalTests 30 J PreoperationalInstructions 32 K ShutdownInstructions 32 SECTION IV SERVICE PARTS INFORMATION 33 A Service 33 B Parts 33 SECTION V ROUTINE MAINTENANCE 34 A Cleaning 34 B Adjustme...

Page 6: ...SECTION VI TROUBLESHOOTING 37 SECTION VII DATA LABEL INFORMATION 43 A Data Label 43 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 45 ...

Page 7: ... not damaged in a damaged shipment should be accepted but the number received and the number refused must be noted on the receipt 4 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...

Page 8: ...y 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 sup...

Page 9: ...adian Electrical Codes Parts 1 2 CSA C22 1 1990 or LATEST EDITION NOTE Failure to do so willVOIDTHEWARRANTY 9 UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled WARNING PERSONALINJURYOR FIRE COULD RESULT 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 dry...

Page 10: ...MUM CAPACITY DRY WEIGHT 75 lbs 34 kg BASKET TUMBLER DIAMETER 37 94 cm BASKET TUMBLER DEPTH 36 91 5 cm BASKET TUMBLER MOTOR 1 HP 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 20 40 CONTAINER 10 20 DRYERS PER 48 53 TRUCK 24 26 VOLTAGE AVAILABLE 120 460v 1ø 3ø 3 4w 50 60 Hz APPROX W...

Page 11: ...7 NOTE Manufacturerreservestherighttomakechangesinspecificationsatanytimewithoutnotice orobligation Specifications MDG75V ...

Page 12: ...iption 1 Controls 2 Control top access Door Assembly 3 Main DoorAssembly 4 Lint Compartment Area lint screen located behind lint door or left sidewall 5 Data Label and Installation Label affixed to the upper left side panel area behind the top control access door ...

Page 13: ...ption 1 Heating Unit 2 Electric Service Relay Box 3 Basket tumbler Bearing Mount Assembly 4 Idler Bearing MountAssembly 5 Blower Motor Assembly for reversing models only 6 Leveling Legs rear 7 Basket drive Motor Assembly 8 Dryer Exhaust ...

Page 14: ... 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 Thedryermustbeinstalledonnoncombustiblefloorsonly 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 mus...

Page 15: ...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 ...

Page 16: ...5 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 and service to be measured from the back guard Refer to the illustration above for details NOTE Air considerations are important for proper and efficient ope...

Page 17: ... Make up air openings should not be located in an area directly near where exhaust ventsexitthebuilding 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 ma...

Page 18: ...cluding 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 ...

Page 19: ...r 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 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 ...

Page 20: ... 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 ductwo...

Page 21: ...led 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 h...

Page 22: ...0 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 11 The outside of the ductwork must be protected from the weather A90 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 th...

Page 23: ...otected branch circuit IMPORTANT USE ONLYCOPPER CONDUCTOR CABLE of proper ampacity and insulation in accordancewithelectricalcodesformakingserviceconnections NOTE TheuseofaluminumwirewillVOIDTHEWARRANTY 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 s...

Page 24: ... 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 per...

Page 25: ...ord 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 SINGLE PHASE 1Ø ELECTRICAL CONNECTIONS LEADS Black Positive White Neutral Green Ground or L2 ...

Page 26: ...s manufactured for operation at 3 phase 3ø 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 If local codes permit power to a gas dryer can be made by t...

Page 27: ...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 3ø power leads L1 L2 L3 and sometimes neutral and ground Single phase 1ø power for the control circuit is done internally to the dryer No single phase 1ø input connection is required on a 3 phase 3ø dryer For gas dryers manufactur...

Page 28: ...TIONS 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 class 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 typ...

Page 29: ...ge to the gas valve which willVOIDTHEWARRANTY 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 LATESTEDITION 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 q...

Page 30: ...hes 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 Drill Material Size D M S equivalents are as follows Natural Gas 30 0 1285 3 2639 mm L P Gas 49 0 0730 1 8542 mm TYPE OF GAS NATURAL LIQUID PROPANE Manifold Pressure 3 5 inches W C 8 7 mb 10 5 i...

Page 31: ...iance BTUs being supplied 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 met...

Page 32: ...rgentworkswell WARNING NEVER TEST FOR LEAKSWITHAFLAME ALL components materials must conform to National Fuel Gas Code SpecificationsANSI 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...

Page 33: ...nstalled 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 5 Check bolts nuts screws terminals and fittings for tightness and security 6 GAS MODELS Be sure that ALL gas shutoff valves are in the open position 7 Check ALL back guard panels and servic...

Page 34: ...E Gas dryers are equipped with a Direct Spark Ignition DSI system which has internal diagnostics Ifignitionisnotestablishedwithinthree 3 times theheatcircuitintheDSI 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 colum...

Page 35: ... 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 Chec...

Page 36: ... 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 ex...

Page 37: ...tacting the Maytag Co be sure to give them the correct model number and serialnumbersothatyourinquiryishandledinanexpeditiousmanner 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 ...

Page 38: ...ER FLAMMABLE VAPORS AND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hoursperday IMPORTANT Dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspecttheexhaustductingandremoveanylintbuildup SUGGESTED CLEANING SCHEDULE EVERY THIRD OR FOURTH LOAD Clean the lint screen every third or fourth...

Page 39: ...ding 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 LUBRIC...

Page 40: ...ryer 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 sure to rotate move hinge back to the upward stop position ...

Page 41: ...turned 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 replacementmust be of the exact rating as the fuse beingreplaced WARNING ALLSERVICE AND TROUBLESHOOTINGSHOULD BE PERFORMED BY AQUALIFIED PROFESSIONALOR SERVICEAGENCY WARNING WHILE MAKINGREPAIRS OBSERVEALLSAFETYPRECAUTIONS DIS...

Page 42: ... motor c Failed motor d Basket tumbler is binding check for obstruction e Failed idler bearings or basket tumbler bearings E Blower motor is not operating does not start 1 Failed blower motor contactor relay 2 Failed arc suppressor A S board for reversing models only 3 Failed motor 4 Failed microprocessor controller computer F Blower motor operates okay for a few minutes and then stops and will no...

Page 43: ...er display reads dSFL 1 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 J Microprocessor controller computer display reads door 1 Fault open circuit in door switch circuit a Failed main doo...

Page 44: ...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 reposit...

Page 45: ... back draft damper is sticking partially closed b Restriction in ductwork check ductwork from dryer ALL the way to the outdoors 3 Low and or inconsistent gas pressure for gas models only 4 Insufficient make up air 5 Poor air gas mixture at burner yellow or poor flame pattern adjust gas burner air adjustment shutters for gas models only 6 Lint screen is not being cleaned on a regular basis or often...

Page 46: ...noise and or vibration 1 Dryer is not leveled properly 2 Impellor fan blower is out of balance a Excessive lint build up on impellor fan blower b Failed impellor fan blower 3 Loose basket tumbler tie rod 4 Basket tumbler is out of adjustment or adjustment bolts hardware are loose 5 Failed basket tumbler support 6 Loose motor mount 7 Failed idler and or basket tumbler bearings 8 V belt s either too...

Page 47: ...ed 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 SECTIONVII DATALABELINFORMATION A DATALABEL ...

Page 48: ...tions 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 describes the electric service for your particular mod...

Page 49: ...ter 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 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 ...

Page 50: ...ration 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 f...

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