Maytag 50 lb. Single Pocket MDG50V Installation Manual Download Page 43

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4. Failed microprocessor controller (computer).

C. Drive motor (reversing) operates in one (1) direction only...stops and restarts in same direction...

1. Failed drive motor contactor (relay).

2. Failed arc suppressor (A.S.) board (for reversing models only).

3. Failed microprocessor controller (computer).

D. Drive motor operates okay for a few minutes, and then stops and will not restart...

1. 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.

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).

Blower motor operates okay for a few minutes, and then stops and will not restart...

1. 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/blower).

G. Both drive motor and blower motor are not operating (DO NOT start)...microprocessor controller

(computer) motor indicator dots are on...

1. Fault in main door switch circuit.

2. Blown fuse (2-amp very fast acting fuse [if applicable]).

Summary of Contents for 50 lb. Single Pocket MDG50V

Page 1: ...t 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 toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables à proxim...

Page 2: ...mmablesàproximitédecet 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 discontinue models The illustrations included in this manual may not depict your particula...

Page 3: ...DIFNEARDRYERSINOPERATION CAUTION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION FORYOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switch 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: ...included with the dryer WARNING DRYER MUST NEVER BE OPERATEDWITHOUTTHELINTFILTER SCREENIN 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 IMPORTANT Dryer must be installed in a location environment which the ambient temp...

Page 5: ...ionRequirements 9 C DryerEnclosureRequirements 10 D FreshAirSupplyRequirements 11 E ExhaustRequirements 12 F ElectricalInformation 18 G GasInformation 23 H Preparation For Operation Start Up 27 I PreoperationalTests 28 J PreoperationalInstructions 29 K ShutdownInstructions 32 SECTION IV SERVICE PARTS INFORMATION 33 A Service 33 B Parts 33 SECTION V WARRANTY INFORMATION 34 A ReturningWarrantyCards ...

Page 6: ... 35 A Cleaning 35 B Adjustments 36 C Lubrication 36 D LintDrawerRemoval 37 SECTION VII TROUBLESHOOTING 38 SECTION VIII DATA LABEL INFORMATION 44 A Data Label 44 SECTION IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 46 ...

Page 7: ...t 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 to...

Page 8: ...ely 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 composit...

Page 9: ...d 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 drying cycle has been completed WARNING Articlesleftinthedryerafterthedryingandcoolingcycleshavebeencompletedcan create a fire hazard 12 READ AND FOLLOW ALL CAUTION AND DIRECTION LABELS ATTACHED TO THE DRYER 13 For safety pr...

Page 10: ...pecificationsatanytimewithoutnoticeor obligation Gas MAXIMUM CAPACITY DRY WEIGHT 50 lbs 22 7 kg BASKET TUMBLER DIAMETER 32 3 4 83 2 cm BASKET TUMBLER DEPTH 37 1 2 95 3 cm BASKET TUMBLER MOTOR 3 4 HP 0 560 kw DOOR OPENING DIAMETER 21 1 2 54 61 cm BASKET TUMBLER VOLUME 18 3 cu ft 0 518 cu m VOLTAGE AVAILABLE 120 460v 1ø 3ø 3 4w 50 60 Hz APPROX WEIGHT UNCRATED 651 lbs 295 3 kg APPROX WEIGHT CRATED 70...

Page 11: ...7 NOTE Manufacturerreservestherighttomakechangesinspecificationsatanytimewithoutnoticeor obligation Specifications ...

Page 12: ...d 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 t...

Page 13: ... 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 ...

Page 14: ...struction X 12 inch 30 48 cm minimum 24 inches 60 96 cm is suggested for ease of maintenance 1 inch 2 54 cm maximum for electric dryers NOTE Airconsiderationsareimportantforproperandefficientoperation Dryers may be positioned sidewall to sidewall However a 1 16 1 59 mm minimum allowance must be made for opening and closing of the control door It is suggested that the dryer be positioned about 2 fe...

Page 15: ...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 3 feet by 2 feet 0 914 meters by 0 61 meters 6 square feet 0 557 square meters are acceptable IMPORTANT Make up air openings should not be located in an area directly near where exhaust ventsexitthebuilding Allowances mu...

Page 16: ...t 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 ...

Page 17: ... over 20 feet 6 1 meters a minimum size of 10 inches 25 4 cm must be used HORIZONTAL VENTING When a single 8 inch 20 32 cm horizontal vent is used the ductwork to the outlet cannot exceed 20 feet 6 1 meters refer to Illus A below This calculation of 20 feet 6 1 meters compensates or allows for the use of a maximum of only one 1 elbow which is the outside outlet protection Illus A IMPORTANT Exhaust...

Page 18: ... of elbows used exceeds the above noted specifications the cross sectional 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 to an extent For extended ductwork runs a professional heating venting and air conditioning HVAC firmshouldbeconsultedforproperventingin...

Page 19: ...ucts being connected to the main common duct must be a minimumof34 1 4 87cm dryerwidth 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 The illustrations on page 16 show the minimum cross section area for multiple dryer venting These figures must be increased in proportion if the main duct run from the las...

Page 20: ...16 HORIZONTAL VENTING Illus C VERTICAL VENTING Illus D ...

Page 21: ...9 Whenever 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 10 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 22: ...ranch circuit IMPORTANT USE ONLYCOPPER CONDUCTOR CABLE of proper ampacity and insulation in accordance with electric codes for making service connections 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 shown...

Page 23: ... 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 person...

Page 24: ...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 SINGLE PHASE 1Ø ELECTRICAL CONNECTION LEADS Black Positive White Neutral Green Ground or L2 ...

Page 25: ... 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 Providing local codes permit power to a gas dryer can be made by the use of a...

Page 26: ...facturerreservestherighttomakechangesinspecificationsatanytimewithoutnoticeor obligation ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT NOTES A B C 208 VAC AND 230 240 VAC ARE NOT THE SAME When ordering specify exact voltage 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 N...

Page 27: ...age 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 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...

Page 28: ...he 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 pressure must be regulated at the source L P tank or an external regulator must be added to each dryer Drill Measurement Size D M S equivalents are as follows Natural Gas 29 0 1360 3 4540 mm Liquid Propane Gas 46 0 810 ...

Page 29: ...ppliance Btus being supplied The dryer is provided with a 1 2 N P T inlet pipe connection extending out the back area of the burner box 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 The size of the main gas supply line header will vary depending on the distance this line travels from the gas meter...

Page 30: ...t be used IMPORTANT TestALL connectionsforleaksbybrushingonasoapywatersolution liquid detergentworkswell WARNING NEVER TEST FOR LEAKS WITHAFLAME 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...

Page 31: ...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 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 that ALL back guard panels and service box covers have...

Page 32: ...e ignitions total of three 3 ignition attempts If there is no flame after the third ignitionattempt themodulewilllockoutuntilitismanuallyreset Toresettheignitionsystem 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 r...

Page 33: ...el impellor fan isrotatinginthewrongdirection thiswillnotonly drasticallyreducedryingefficiency butitcanalsocauseprematurecomponentfailure 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 diode L E D display will read FILL and or Amount To Start b Insert coins Once correct...

Page 34: ...p However the microprocessorcontroller computer willcontinuetocountdownwardintime 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 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 NOT...

Page 35: ...themaximum ActiveGuardTime hasexpiredoruntilthedoorisopened whichever comes first The L E D display will read FILL and or AmountTo Start 2 If theAntiwrinkle programis not active or in use the L E D display will read FILL and 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 using rocker switch and sele...

Page 36: ...g 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 2 SHUT OFF internal gas supply shutoff valve located in the gas valve burner area ...

Page 37: ...acting the Maytag Co be sure to give them the correct model number and serialnumber sothatyourinquiryishandledinanexpeditiousmanner 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: ...ompleted and returned for each individual dryer NOTE Besuretoincludetheinstallationdatewhenreturningthewarrantycard 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 is unknown warranty information can be obtained fr...

Page 39: ... 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 load A clogged lin...

Page 40: ...onnections 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 ...

Page 41: ...er pull drawer out approximately halfway Rotate move lint drawer stop hinge refer to the illustration below downward and pull the 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 42: ...e 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 beingreplaced WARNING ALLSERVICEAND TROUBLESHOOTINGSHOULD BE PERFORMED BY AQUALIFIED PROFESSIONALOR SERVICEAGENCY WARNING WHILE MAKINGREPAIRS OBSERVEALLSAFETYPRECAUTIONS DISPLAYED ON TH...

Page 43: ...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 not restart 1 Motor is overheating and tripping out on interna...

Page 44: ... 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 door switch b Broken connection wire in main door circuit 2 Failed 24 VAC transformer K Microprocessor controller ...

Page 45: ...d 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 Ins...

Page 46: ...twork 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 enough 7 Extractors washers are not performing properly 8 Sail switch is flutterin...

Page 47: ...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 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 is either too tigh...

Page 48: ...dealer certain information is required to insure proper service parts information This information is on the data label affixed to the left side panel area behind the top control access door When contacting the Maytag Co please have the model number and serial number available ...

Page 49: ...our 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 mo...

Page 50: ...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 motors heat and door indicator lights on the back side of the microprocessor controller computer board are lit Refer to the illustration below ...

Page 51: ... 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 repeat...

Page 52: ...Part No 113366 1 04 26 02 25 2 06 03 02 100 3 07 22 02 100 4 01 20 03 100 5 07 02 03 100 ...

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Maytag 50 lb. Single Pocket MDG50V, Installation Manual

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