American Dryer Corp. MDG31 Clothes Dryer User Manual
Contents
1. MDG31 MDG51 MDG77 Ins tallation Operator Manual WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion and to prevent property damage personal injury or death Do not store or use gasoline or other flammable vapors and liguids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e 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 f 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 donn es dans cette notice pour r duire au minimum le risque 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 proximit de cet appareil ou de tout autre appareil QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ Ne pas tenter allumer d appareils e Ne touchez a aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le batiment e Evacuez la pi ce le batiment ou la zone2. XXXXXX XXXXXX JUN NA TION XXXXXX AS TYPE APPLIANCE CATEGORY XXXXXX XXXXXX PIN 114087 When contacting Maytag the information on the data label is required to ensure proper service parts assistance The data label is located at the upper left rear of the dryer behind the back guard 1 Model Number This describes the style of dryer and type of heat gas electric or steam 2 Serial Number Allows the manufacturer to gather information on your particular dryer 3 Type of Heat This describes the type of heat for your particular dryer gas either natural gas or L P gas electric or steam 4 Heat Input For Gas Dryers This describes the heat input in British thermal units per hour Btu hr or kilowatts kW 9 Orifice Size For Gas Dryers Gives the number drill size used 6 Electric Service This describes the voltage and current rating for a particular model 7 Gas Manifold Pressure For Gas Dryers This describes the manifold pressure taken at the gas valve tap 113430 9 Telephone 641 787 7000 25 MAYTAG Part No 113430 9 02 15 08 0
3. e Appelez 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 Linstallation 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 IN A SAFE PLACE FOR FUTURE REFERENCE Part No 113430 9 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 SECURITE Do not store or use gasoline Ne pas entreposer ni utiliser d essence or other flammable vapors ni d autres vapeurs ou liquides and liquids in the vicinity of inflammables proximit de cet this or 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 obligati
4. Shaded areas are stated in metric equivalents Note 5 13 05 The manufacturer reserves the right to make changes in specifications at any time without notice or obligation Maytag Co 113430 9 MD G31 Specifications 2 11 32 34 1 2 5 96 87 66 I 1 Doea J peep l EM M jee ic 000 113430 9 Telephone 641 787 7000 7 MDG51 Specifications A 8 MAXIMUM CAPACITY DRY WEIGHT 50 Ib 22 68 kg TUMBLER DIAMETER 37 93 98 cm TUMBLER DEPTH 25 3 4 65 41 cm TUMBLER VOLUME 16 02 cu ft 453 64 L TUMBLER DRIVE MOTOR 1 hp 0 75 kW BLOWER FAN MOTOR 1 2 hp 0 37 kW DOOR OPENING DIAMETER 27 318 69 55 cm DOOR SILL HEIGHT 16 40 64 cm WATER CONNECTION 3 4 11 5 NH North America 3 4 B S P T Outside North America DRYERS PER 20 40 CONTAINER 10 22 DRYERS PER 48 53 TRUCK 28 30 VOLTAGE AVAILABLE 120V 19 2w 60 Hz APPROXIMATE NET WEIGHT 545 Ib 247 21 kg APPROXIMATE SHIPPING WEIGHT 565 Ib 256 28 kg AIRFLOW 525 cfm 14 87 cmm HEAT INPUT 90 000 Btu hr 22 680 kcal hr EXHAUST CONNECTION DIAMETER Gas 8 20 32 cm COMPRES
5. MAXIMUM CAPACITY DRY WEIGHT 30 Ib 13 61 kg TUMBLER DIAMETER 30 76 20 cm TUMBLER DEPTH 27 68 58 cm TUMBLER VOLUME 11 04 cu ft 312 62 L TUMBLER DRIVE MOTOR 1 4 hp 0 18 kW BLOWER FAN MOTOR 1 2 hp 0 37 kW DOOR OPENING DIAMETER 19 3 8 49 23 cm DOOR SILL HEIGHT 14 718 37 78 cm WATER CONNECTION N A DRYERS PER 20 40 CONTAINER 12 28 DRYERS PER 48 53 TRUCK 34 38 VOLTAGE AVAILABLE 120V 1 2w 60 Hz APPROXIMATE NET WEIGHT 285 Ib 129 27 kg APPROXIMATE SHIPPING WEIGHT 310 Ib 140 61 kg AIRFLOW 360 cfm 10 19 cmm HEAT INPUT 55 000 Btu hr 13 860 kcal hr Gas EXHAUST CONNECTION DIAMETER 6 15 24 cm COMPRESSED AIR CONNECTION N A COMPRESSED AIR VOLUME N A INLET PIPE CONNECTION 1 2 M N P T VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION COMPRESSED AIR VOLUME Electric OVEN SIZE kW Btu hr kcal hr VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW STEAM CONSUMPTION OPERATING STEAM PRESSURE EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION Steam COMPRESSED AIR VOLUME BOILER HORSEPOWER NORMAL LOAD SUPPLY CONNECTION RETURN CONNECTION
6. 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 for non CE dryers or 50 mb for CE dryers Failure to isolate or disconnect the dryer from supply as noted can cause irreparable damage to the gas valve voiding the warranty 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 for non CE dryers or 50 mb for CE dryers Warning A Fire or explosion could result due to failure of isolating or disconnecting the gas supply as noted 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 data label and pressure must be confirmed If this information does not agree with the type of gas available do not operate the dryer Contact the distributor who sold the dryer or contact the manufacturer The input ratings shown on the data label are for elevations up to 2 000 feet 610 meters unless elevation reguirements 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
7. must be grounded Provisions are made for ground connection in each dryer at the electrical service connection area Warning Electrical Grounding Instructions This dryer is equipped with a 3 prong grounding plug for your protection against shock hazard and should be plugged directly into a properly grounded 3 prong receptacle Do not cut or remove the grounding prong from this plug Electrical Connections A wiring diagram is located behind the control panel for connection data If local codes permit power to the dryer can be made by the use of a flexible UL listed power cord pigtail wire size must conform to rating of dryer or the dryer can be hard wired directly to the service breaker panel In both cases a strain relief must be installed where the wiring enters the dryer For CE Models Only The means for disconnection from the supply must be incorporated into wiring having a minimum contact separation of 3 0 mm in all poles Single Phase 10 Wiring Connections Hookup The electrical input connections are made into the rear service box located at the upper right area of the dryer The ground connection is made to the copper lug also provided in this box To gain access the service box cover must be removed 113430 9 Gas Models Only 120 240V Application with Neutral N Caution The dryer must be grounded A ground lug has been pr
8. solution liquid detergent works well Warning Never test for leaks with a flame Converting from One Family of Gas to Another Warning CE Dryers A This appliance must only be operated with the gas type indicated on the dryer s data plate If the appliance is converted gas type changed a data plate amendment must be obtained from Maytag dryer s serial number is required to purchase a conversion kit Important Any burner changes or conversions must be made by a qualified professional The dryers manufactured for Belgium Luxemburg Greece Estonia Slovak Republic Iceland Malta Poland and Cyprus cannot be converted from one family of gas to another Conversion from Natural Gas to Propane or Butane Gas The following conversion allows the dryer to be operated with either propane butane or LPG The use of gas valve kit P N 140414 disables the internal regulator of the gas valve Therefore the gas supply is ungoverned and an external regulator must be provided at the source of the supply example L P tank or the gas supply line to the dryer The type of L P kit supplied will depend on the country the dryer is installed in Parts Required for Conversion Description P N Qty Unregulated Gas Conversion Kit 140414 ne OR Regulated L P Gas Conversion Kit 140416 pies Burner Orifice Injector i ai L P Conversion Label 114515 1 Refer to page 18 for orifice injector size Require
9. 5 NH is a standard hose coupling screw thread It is not to be confused with 3 4 N P T The sealing of an NH connection is made with a washer opposed to the mating threads of an N P T assembly The 2 thread designs are not compatible It is recommended that a filter or strainer be installed in the water supply line Important Flexible supply line coupling must be used Solenoid valve failure due to hard plumbing connections will void warranty The dryer is to be connected to the water mains using a new hose set and the old hose set should not be reused Optional Manual Bypass Provisions are made in the dryers fire suppression system for the installation of an optional manual bypass The connections for the manual bypass are made at the tee or three way fitting located in the outlet supply side of the water solenoid valve The manual ball cock shutoff valve must be located outside of the dryer at a distance from the dryer where itis easily accessible The use and connection of this manual bypass is at the option or discretion of the owner The water connection for the manual bypass is made to the tee or three way fitting which has a 3 8 F N P T and a coupling must be used to provide the minimum 1 2 inch 12 7 mm supply feed line Electrical Requirements No independent external power source or supply connection is necessary The 24 volt power to operate the fire suppression system is accomplis
10. Fuel Gas Code Exhaust ducts for type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material Such ducts shall be equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 26 gauge 0 0195 inches 0 50 mm thick The ductwork for this appliance must be suitable for the appliance category in accordance with national installation regulations of the country of destination Outside Ductwork Protection 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 refer to the diagram Important Do not use screens louvers or caps on the outside opening of the exhaust ductwork Single Dryer Venting Important For extended ductwork runs the cross sectional area of the ductwork can only be increased to an extent When the ductwork approaches the maximum limits as noted in this manual a professional HVAC firm should be consulted for proper venting information Horizontal Venting When horizontal dryer venting is used the length of the ductwork from the dryer to the outside exhaust outlet must not ex
11. The dryer must never be operated with any of the back guards outer tops or service panels removed Personal injury or fire could result Failure to properly install maintain and or operate dryer according to this manual and operator s manuals included with dryer may result in conditions which can cause serious injury death and or property damage Do not store or use gasoline or other flammable vapors and liguids in the vicinity of this or any other appliance 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 What To Do If You Smell Gas Do not try to light any appliance e Do not touch any electrical switch Do not use any phone in your building e 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 e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or gas supplier Dryers must be exhausted to the outdoors Although the manufacturer 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 combus
12. nonflammable mild detergent and tumbling them in the tumbler to remove this coating Microprocessor Programs Selections Each microprocessor controller computer has been preprogrammed by the factory with the most commonly used parameter program selections If computer program changes are reguired refer to the computer programming manual which was shipped with the dryer Preoperational Instructions Important For more detailed information regarding the microprocessor controller computer refer to the microprocessor user s manual included with the dryer Coin Models Microprocessor Controller Computer When the microprocessor controller computer is in the ready state the L C D screen will display Ready Insert XX XX amount to Start Insert coin s Once the correct Amount to Start has been inserted the L C D will display Select Temperature Select temperature by pressing HI MED or LO The cycle will start and the L C D will display the Dry Cycle selected and the remaining time The dryer will continue through the drying and cooling cycles until the vended time has expired Note To stop the dryer open main door Continuation of the cycle will resume only after the door has been closed and any one of the 3 temperature selections is pressed 113430 9 Non Coin Models Microprocessor Controller Computer The L E D display reads READY no cycle in progre
13. service agency or gas supplier If service is required contact the Maytag distributor from whom the equipment was purchased If the distributor cannot be contacted or is unknown contact the Maytag Co for a distributor in your area Note When contacting the Maytag Co be sure to give them the correct model number and serial number so that your inquiry is handled in an expeditious manner Parts Replacement parts should be purchased from the distributor from whom the Maytag equipment was purchased If the distributor cannot be contacted or is unknown contact the Maytag Co for a distributor in your area Telephone 641 787 7000 23 Note When ordering replacement parts from the Maytag distributor or the Maytag Co be sure to give tnem the correct model number and serial number so that your parts order can be processed in an expeditious manner Warranty Information Returning Warranty Cards Before any dryer leaves the manufacturers test area a warranty card is placed on the back side of the main door glass These warranty cards are intended to serve the customer where we record the individual installation date and warranty information to better serve you should vou file a warranty claim Important A separate warranty card must be completed and returned for each individual dryer Note Be sure to include the installation date when returning the warranty card s Warranty For a copy of the manufacturer s commerc
14. to handle the related current 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 Telephone 641 787 7000 15 Warning Gas Models Only Dryers built for use with a voltage between 200 and 240 must verify the input voltage during installation If the nominal voltage is outside of the medium tolerances shown on the diagram below adjust the autotransformer located near the burner assembly To adjust the autotransformer wiring place the red wire on the appropriate tap HIGH MED LOW of the autotransformer For additional wiring details refer to the electrical diagram located on the inside of the control panel TERM LINE VOLTAGE 50 Hz 60 Hz mon 20 i MED 208 230 Car Electrical Service Specifications Gas Models Only ELECTRICAL SERVICE SPECIFICATIONS IMPORTANT 208 VAC AND 230 240 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 type ONLY For others calculate verify correct breaker size according to applian
15. 1 6 cm B Aminimum overhead clearance of 6 inches 15 24 cm is reguired C Dryer should be positioned a minimum of 12 inches 30 48 cm away from the nearest obstruction 24 inches 60 96 cm is recommended for ease of installation maintenance and service D 1 16 1 5875 mm minimum is required E Flooring should be level or below dryer cabinet for ease of removing panels during maintenance F 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 along with the removal of panels during maintenance 113430 9 Domestic Type I MDG31 MDG51 Only 1 3 7 6 cm 1 A z 6 inches 15 24 cm B 24 inches 60 96 cm EXAMPLE For MDG51 2 unrestricted openings measuring 6 inches by 24 inches 15 24 cm by 60 96 cm are acceptable If a closet door is installed unobstructed air openings are required The air openings shall be located 3 inches 7 62 cm from the lower opening above floor level and upper opening below ceiling The total free area of the air openings in the door shall not be less than 179 inch 1154 836 cm for MDG31 and 293 inch 1890 319 cm for MDG51 Louvered doors with equivalent air openings are acceptable No other fuel burning appliance shall be installed in the same closet as the dryer Fresh Air Supply
16. 2 times the diameter of the duct to the nearest obstruction Multiple Dryer Common Venting Important For extended ductwork runs the cross sectional area of the ductwork can only be increased to an extent When the ductwork approaches the maximum limits as noted in this manual a professional HVAC firm should be consulted for proper venting information If itis not feasible to provide separate exhaust ducts for each dryer ducts from individual dryers may be channeled into a common main duct The individual ducts should enter the bottom or side of the main duct at an angle not more than 45 in the direction of airflow The main duct should be tapered with the diameter increasing before each individual duct is added 113430 9 Important No more than 4 dryers should be connected to 1 main common duct The illustration below shows the minimum cross sectional area for multiple dryer round or square venting These figures must be increased if the main duct run from the last dryer to where it exhausts to the outdoors is longer than 12 feet 3 66 meters or has more than 1 elbow in it A MDG31 6 inch 15 24 cm NO OF DRYERS 4 3 2 1 MDG51 8 inch 20 32 cm MDG77 8 inch 20 32 cm B 12 feet 3 66 meters NOTE 1 Opening from combustible materials must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening NOTE 2 Distance should b
17. 22 09 cu ft 625 52 L TUMBLER DRIVE MOTOR 1 hp 0 75 kW BLOWER FAN MOTOR 1 2 hp 0 37 kW DOOR OPENING DIAMETER 27 318 69 53 cm DOOR SILL HEIGHT 16 40 64 cm WATER CONNECTION 3 4 11 5 NH North America 3 4 B S P T Outside North America DRYERS PER 20 40 CONTAINER 9 20 DRYERS PER 48 53 TRUCK 25127 VOLTAGE AVAILABLE 120V 1 2w 60 Hz APPROXIMATE NET WEIGHT 600 Ib 272 16 kg APPROXIMATE SHIPPING WEIGHT 620 Ib 281 23 kg AIRFLOW 560 cfm 15 86 cmm HEAT INPUT 110 000 Btu hr 27 720 kcal hr Gas EXHAUST CONNECTION DIAMETER 8 20 32 cm COMPRESSED AIR CONNECTION N A COMPRESSED AIR VOLUME N A INLET PIPE CONNECTION 1 2 M N P T 1 2 F B S P T CE and Australia Only VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION COMPRESSED AIR VOLUME Electric OVEN SIZE kW Btu hr kcal hr VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW STEAM CONSUMPTION OPERATING STEAM PRESSURE EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION Steam COMPRESSED AIR VOLUME BOILER HORSEPOWER NORMAL LOAD SUPPLY CONNECTION RETURN CONNECTION Shaded areas are stated in metric equivalents Note The
18. 4 22 3 988 2 3 0 MDG77 Liquid Propane 2 500 11 0 110 000 32 24 44 2 184 2 10 0 Shaded areas are stated in metric equivalents Gas valve s internal regulator disabled Consult factory for elevations over 2 000 feet 610 meters for correct orifice size Heat Input Gas Consumption Orifice Injector Data For CE European Models Only Gas Specifications for CE Approved Dryers Nominal Supply Gross S r Orifice Burner Model Gas Heating Value Pressure Heat Input Fuel R Orifice Size Injector Pressure Type Consumption Quanti Btu ft mb Btu hr kW DMS mm uantity mb Natural lle 1 000 15 30 55 000 16 12 1 557 M H 22 3 988 1 6 9 Natural la 830 20 35 55 000 16 12 1 876 M H 22 3 988 1 9 5 Natural I gt g11 830 15 30 55 000 16 12 1 876 M H 22 3 988 1 9 5 oO 1 000 20 55 000 16 12 1 557 M H 31 3 048 1 0 Natural l gt g A 830 25 55 000 16 12 1 876 M H 31 3 048 1 s Butane I 3 175 28 30 55 000 16 12 1 162 kg H 48 1 930 1 Propane I 2 500 37 55 000 16 12 1 162 kg H 48 1 930 1 Butane lp 3 175 28 30 50 55 000 16 12 1 162 kg H 44 2 184 1 18 1 Propane Ip 2 500 28 30 50 55 000 16 12 1 162 kg H 44 2 184 1 24 9 Natural lle 1 000 15 30 90 000 26 38 2 549 M H 29 3 454 2 7 2 Natural la 830 20 35 90 000 26 38 3 071 M H 29 3 454 2 8 9 Natural I 830 15 30 90 000 26 38 3 071 M H 29 3 454 2 8 9 2
19. ELL LO 1 000 20 90 000 26 38 2 549 M H 35 2 794 2 5 Natural l gt g A 830 25 90 000 26 38 3 071 M H 35 2 794 2 s Butane I 3 175 28 30 90 000 26 38 1 901 kg H 50 1 778 2 Propane lI 2 500 37 90 000 26 38 1 901 kg H 50 1 778 2 Butane lp 3 175 28 30 50 90 000 26 38 1 901 kg H 47 1 994 2 18 1 Propane Izp 2 500 28 30 50 90 000 26 38 1 901 kg H 47 1 994 2 24 9 Natural ll 1 000 15 30 110 000 32 24 3 115 M H 22 3 988 2 6 9 Natural la 830 20 35 110 000 32 24 3 753 M H 22 3 988 2 9 5 Natural I 830 15 30 110 000 32 24 3 753 M H 22 3 988 2 9 5 N 2ELL N 1 000 20 110 000 32 24 3 115 M H 31 3 048 2 ru Natural l gt g A 830 25 110 000 32 24 3 753 M H 31 3 048 2 s Butane I 3 175 28 30 110 000 32 24 2 324 kg H 48 1 930 2 Propane l 2 500 37 110 000 32 24 2 324 kg H 48 1 930 2 Butane l3p p 3 175 28 30 50 110 000 32 24 2 324 kg H 44 2 184 2 18 1 Propane Isp 2 500 28 30 50 110 000 32 24 2 324 kg H 44 2 184 2 24 9 Shaded areas are stated in metric equivalents Gas valve s internal regulator disabled Consult factory for elevations over 2 000 feet 610 meters for correct orifice size 18 Maytag Co 113430 9 Piping Connections MDG31 MDG51 MDG77 1 2 1 2 1 2 CE dryer connections will be B S P T all others will be N P T There should be a minimum 6 inch 15 24 cm clearance betwe
20. Requirements When the dryer is operating it draws in room air heats it passes this air through the 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 The dryer must be installed with provisions for adequate combustion and make up air supply Air supply make up air must be given careful consideration to ensure proper performance of each dryer As a general rule an unrestricted air entrance from the outdoors of 110 inch 710 cm is required for each MDG77 90 inch 580 cm for each MDG51 55 inch 354 cm for each MDG31 Based on 1 inch 6 5 cm2 per 1 000 Btu 252 kcal 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 To compensate for the use of registers or louvers used over the openings this area must be increased by approximately 33 Make up air openings should not be located in an area directly near where exhaust vents exit the building Allowances must be made for remote or constricting passageways or where dryers are located at high altitudes or predominan
21. SED AIR CONNECTION N A COMPRESSED AIR VOLUME N A INLET PIPE CONNECTION 1 2 M N P T 1 2 F B S P T CE and Australia Only VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION COMPRESSED AIR VOLUME Electric OVEN SIZE kW Btu hr kcal hr VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW STEAM CONSUMPTION OPERATING STEAM PRESSURE EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION Steam COMPRESSED AIR VOLUME BOILER HORSEPOWER NORMAL LOAD SUPPLY CONNECTION RETURN CONNECTION Shaded areas are stated in metric equivalents Note The manufacturer reserves the right to make changes in specifications at any time without notice or obligation Maytag Co 11 23 05 113430 9 MD G51 Specifications boa 55 1 2 140 9 113430 9 Telephone 641 787 7000 EL 11 1 MDG77 Specifications A 10 MAXIMUM CAPACITY DRY WEIGHT 75 Ib 34 02 kg TUMBLER DIAMETER 37 93 98 cm TUMBLER DEPTH 35 1 2 90 17 cm TUMBLER VOLUME
22. avels as directly as possible to the outdoors with as few turns as possible There should be a minimum 6 inch 15 24 cm clearance between the back guard and the first bend in the ductwork for ease of servicing Single or independent dryer venting is recommended 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 overlap the duct being connected All ductwork joints must be taped to prevent moisture and lint from escaping into the building Back draft dampers must be installed in all commonly ducted systems Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork Important It is recommended that exhaust or booster fans not be used in the exhaust ductwork system 641 787 7000 13 Important Exhaust back pressure measured by a manometer magnehelic in the exhaust duct must be no less than 0 and must not exceed 0 6 in wc 1 48 mb 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 As per the National
23. ce amp draw rating and type of breaker used C Circuit breakers for 3 phase 33 dryers must be 3 pole type SERVICE APPROX VOLTAGE PHASE SERVICE AMP DRAM SREAKER 60 Hz 50 Hz MD G31 120 10 2 10 3 15 MDG51 120 10 2 15 6 20 MDG77 120 10 2 15 6 20 2 15 08 16 Maytag Co Grounding A ground earth connection must be provided and installed in accordance with local state and national regulations or codes of the country of origin In the absence of these codes grounding must conform to applicable requirements of the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canada Standards Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION The ground connection may be to a proven earth ground at the location service panel For added personal safety when possible it is suggested that a separate ground wire size per local codes 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 a wire size per local codes and securely clamped to bare metal at both ends Important For personal safety and proper operation the dryer
24. ceed 20 feet 6 10 meters The minimum diameter of this ductwork must be at least 6 inches 15 24 cm for MDG31 and 8 inches 20 32 cm for MDG51 and MDG77 Including tumbler dryer elbow connections or elbows used for outside protection from the weather no more than 1 elbow should be used in the exhaust duct run If more than 1 elbow is used the cross sectional area of the ductwork must be increased 14 Maytag Co Vertical Venting When vertical dryer venting is used the length of the ductwork from the dryer to the outside exhaust outlet must not exceed 12 feet 3 66 meters The minimum diameter of this ductwork must be at least 6 inches 15 24 cm for MDG31 and 8 inches 20 32 cm for MDG51 and MDG77 Including tumbler dryer elbow connections or elbows used for outside protection from the weather no more than 3 elbows should be used in the exhaust duct run If more than 3 elbows are used the cross sectional area of the ductwork must be increased A 20 feet 6 10 meters B MDG31 6 inches 15 24 cm C 12 feet 3 66 meters D MDG31 6 inches 15 24 cm MDG51 MDG77 8 inches 20 32 cm MDG51 MDG77 8 inches 20 32 cm VERTICAL M MAN7211 ICARRITA 04 21 04 NOTE 1 Opening from combustible materials must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening NOTE 2 Distance should be
25. d for unregulated propane or butane only MDG31 will require 1 MDG51 and MDG77 will require 2 Required for regulated LPG or propane only ae Instructions Disconnect electrical power to the dryer Close all shutoff valves in dryer s gas supply line Important The MDG51 and MDG77 will require that the following procedures be performed on both burner assemblies Open the panel located just below the loading door Telephone 641 787 7000 19 Locate the gas train and disconnect the union 3 electrical plugs and the gas train mounting screws from the burner Carefully slide the gas train out of the gas train enclosure The carbon ignitor located at the far end of the gas train is very fragile Remove 2 burner tube mounting screws and remove burner tube in order to gain access to the orifice Using a 3 8 wrench or socket remove the existing orifice and replace it with an orifice from the kit Important Use extreme care when removing and replacing orifice injector This orifice injector is made of brass which is easily damaged Reinstall the burner tube onto the burner base Use a flat screwdriver to remove the regulator vent cap For unregulated L P gas most countries install blocking pin P N 140414 For regulated L P gas some countries remove the white plastic regulator adjustment screw under vent cap Remove spring under screw and replace with spring from kit P N 140416 Replac
26. dings There are 2 types of devices used to measure gas pressure They are the spring mechanical type gauge and the manometer The use of the spring mechanical type gauge is not recommended because they are very easily damaged and are not always accurate The preferred type of gauge is the manometer because it is a simple device to use and is highly accurate A manometer is simply a glass or transparent plastic tube with a scale graduated in inches or mb When it is filled with water and pressure is applied the water in the tube rises showing the exact gas pressure Gas Pressure Test Procedure Turn gas cock in gas supply line to OFF position 50 Hz dryers Back out miniature screw inside pressure tap and attach manometer refer to the illustration on page 20 60 Hz dryers Install pressure tap and attach manometer refer to the illustration on page 20 Turn gas cock to ON position Start the dryer in Heat Mode and wait for ignition Gas manifold pressure should be as shown on page 18 If the gas pressure needs to be adjusted refer to Gas Pressure Adjustment on this page Once test is complete turn gas cock to OFF position Remove manometer Tighten screw inside the pressure tap or install plug Turn gas cock to ON position and check for leaks with soap solution with main burner ON Water Information Before You Start Check Local Codes and Permits Call your local water company
27. e 2 times the diameter of the duct to the nearest obstruction Multiple Dryer Venting with 6 Inch 15 24 cm Diameter 360 cfm 10 19 cmm Exhaust Connections at Common Duct NUMBER OF DRYERS 4 3 2 1 M MINIMUM CROSS SQ IN 80 80 54 30 SECTIONAL AREA SACM 516 1 516 1 348 4 193 55 S MINIMUM ROUND IN 10 10 8 6 DUCT DIAMETER CM 254 254 20 32 15 24 Multiple Dryer Venting with 8 Inch 20 32 cm Diameter 525 cfm 14 87 cmm Exhaust Connections at Common Duct NUMBER OF DRYERS 4 3 2 1 I MINIMUM CROSS SQ IN 120 120 80 54 SECTIONAL AREA SQCM 7742 774 2 516 1 348 4 S MINIMUM ROUND IN 12 12 10 8 DUCT DIAMETER CM 30 48 30 48 25 4 20 32 Multiple Dryer Venting with 8 Inch 20 32 cm Diameter 560 cfm 15 86 cmm Exhaust Connections at Common Duct NUMBER OF DRYERS 4 3 2 1 MINIMUM CROSS SQIN 120 120 80 54 SECTIONAL AREA SQCM 7742 774 2 516 1 3484 S MINIMUM ROUND IN 12 12 10 8 DUCT DIAMETER CM 30 48 30 48 25 4 20 32 113430 9 Electrical Information Electrical Requirements All electrical connections must be made by a properly licensed and competent electrician This is to ensure that the electrical installation is adequate and conforms to local state and national regulations or codes of the country of origin In the absence of such codes all electrical connections ma
28. e regulator adjustment screw Install the gas train back into the dryer gas train enclosure Be sure the tab at the rear of the gas train engages into the mounting slot Connect the union and the 3 electrical plugs Affix L P Conversion Label P N 114515 to the dryer s data label Complete L P Kit Conversion Confirmation Label P N 114083 and affix this label as close as possible to the dryer s existing dryer rating data label plate Non CE Dryers Affix L P Conversion Rating Label Addendum P N 114090 as close as possible to the dryer s existing dryer rating data label plate CE Dryers Affix new data plate label that came with the conversion kit Open all shutoff valves reconnect electrical power to the dryer and test for leaks Important Never test for leaks with an open flame Use a soapy water solution or product intended for that purpose 20 Maytag Co Unregulated Gas Valve Regulate govern gas externally refer to Supply Pressure in chart on page 18 to the correct gas pressure for the gas being used Operate dryer through 1 complete cycle to ensure proper operation Regulated Gas Valve Refer to Gas Pressure Adjustment on the following page to adjust the gas valve to the appropriate burner pressure listed on page 18 The supply pressure must also match what is listed on page 18 for the type of gas to be used Important Conversions done improperly can result in a fi
29. en the back guard and the first bend in the gas piping for ease of servicing It is recommended that a gas shutoff valve be provided to the gas supply line of each dryer for ease in servicing 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 Note Undersized gas supply piping can create a low or inconsistent pressure which will result in erratic operation of the burner ignition system TYPICAL NATURAL GAS INSTALLATION GAS SERVICE LINE TAP TYPICAL L P GAS INSTALLATION GAS DRYERS MAN7210 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 13 0 in wc 32 34 mb pressure A plugged tap accessible for a pressure gauge connection must be installed in the main gas supply line immediately upstream of the dryers 113430 9 Important Pipe joint compounds that resist the action of natural L P and butane gases must be used Test all connections for leaks by brushing on a soapy water
30. er operation Attention Au moment de entretien des commandes tiquetez tous les fils avant de les d brancher Des erreurs de cablage peuvent entrainer un fonctionnement inad quat et dangereux WARNING Children should not be allowed to play on or near the dryer s Children should be supervised if near dryer s in operation Under no circumstances should the dryer door switch es lint door drawer switch es or heat safety circuit s ever be disabled The dryer must never be operated with any of the back guards outer tops or service panels removed Personal injury or fire could result The dryer must never be operated without the lint filter screen in place even if an external lint collection system is used FOR YOUR SAFETY Do not dry mop heads in the dryer Do not use dryer in the presence of dry cleaning fumes The dryers must not be installed or stored in an area where it will be exposed to water and or weather The wiring diagram for the dryer is located behind the control panel 113430 9 Telephone Table of Contents Safety PrecautionsS saznznznznznznznznaneu 4 MDG31 Specifications 6 MDG51 Specifications 8 MDG77 Specifications 10 Installation Procedures mm 12 Location Requirement 12 Unpacking Setting Up ce eeeeeeeeeeeeeeeeeeeenneees 12 Dryer Enclosure Requirements 12 Fresh Air Supply Requi
31. er or product 113430 9 Warning Fe x NOTES To reduce the risk of personal injury install lockable doors to prevent public access to the rear of the dryers Exhaust duct outlet should be checked periodically for blockages and if any found removed Important A means of restraint must be used to prevent straining of the gas supply when the appliance is moved An external means of power removal disconnect device must be provided by the installer CE ONLY Important This appliance must only be installed and operated in the country of destination indicated on the dryer s data plate If the appliance is to be installed and operated in a country other than the one indicated on the data plate a data plate amendment must be obtained from Maytag Warning This appliance must only operate with the gas type indicated on the dryer s data plate If the appliance is converted gas type is changed a data plate amendment must be obtained from Maytag This appliance may cause spillage of products of combustion from an open flue appliance fitted in the same room and that such an appliance shall be tested for clearance of products with the appliance in operation and all windows and doors closed NOTES 113430 9 Telephone 641 787 7000 MD G31 Specifications A
32. flat screwdriver to remove the cap with blocking pin and install the regulator vent cap from the kit P N 140415 113430 9 Converting from unregulated L P to unregulated natural gas no change to the regulator is required Converting from regulated L P to regulated natural gas remove the white plastic regulator adjustment screw under vent cap Remove spring under screw and replace with spring from kit P N 140415 Replace regulator adjustment screw Install the gas train back into the dryer gas train enclosure Be sure the tab at the rear of the gas train engages into the mounting slot Connect the union and the 3 electrical plugs Open all shutoff valves reconnect electrical power to the dryer and test for leaks Operate the dryer through 1 complete cycle to ensure proper operation With dryer operating check the manifold burner pressure at the tap on the gas valve to ensure proper operating pressure refer to chart on page 18 Gas Pressure Adjustment Disconnect electrical power to the dryer Important The MDG51 and MDG77 will require that the following procedures be performed on both burner assemblies To adjust gas valve s internal regulator remove the regulator vent cap with the regulator adjustment tool which is located on the back guard between the gas inlet and exhaust outlet refer to the illustration below for proper use of adjustment tool Be sure to use one of the wide ends of the adjus
33. hed internally in the dryer from the dryer controls 22 Maytag Co Warning Electrical power must be provided to the dryer at all times If the main electrical power supply to the dryer is disconnected the fire suppression system is inoperative Preparation for Operation Start Up gt The following items should be checked before attempting to operate the dryer Read all CAUTION WARNING and DIRECTION labels attached to the dryer e Check incoming supply voltage to be sure that it is the same as indicated on the data label In the case of 208 VAC or 240 VAC the supply voltage must match the electric service exactly GAS MODELS Check to ensure that the dryer is connected to the type of heat gas indicated on the dryer data label e GAS MODELS Be sure that all gas shutoff valves are in the open position Be sure all back panels guards and electric box covers are in place Be sure the service doors are closed and securely in place Be sure the lint door drawer is securely in place e Rotate the tumbler drum by hand to be sure it moves freely e Check bolts nuts screws terminals and fittings for tightness and security e Check that the vent is connected to the dryer and is exhausted to the outdoors Preoperational Test All dryers are thoroughly tested and inspected before leaving the factory However a preoperational test should be performed before the dryer is publicly
34. ial warranty covering your particular dryer s contact the Maytag distributor from whom you purchased the equipment and request a dryer warranty form If the distributor cannot be contacted or is unknown warranty information can be obtained from the Maytag Co Note Whenever contacting the Maytag Co for warranty information be sure to have the dryer s model number and serial number available so that your inquiry can be handled in an expeditious manner Routine Maintenance 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 airflow The accumulation of lint can restrict this airflow If the guidelines in this section are met the dryer will provide many years of efficient trouble free and most importantly safe operation Warning Lint from most fabrics is highly combustible The accumulation of lint can create a potential fire hazard Keep dryer area clear and free from combustible materials gasoline and other flammable vapors and liquids 24 Maytag Co Note Suggested time intervals shown are for average usage which is considered 6 to 8 operational running hours per day Important Dryer produces combustible lint and must be exhausted
35. manufacturer reserves the right to make changes in specifications at any time without notice or obligation Maytag Co 11 23 05 113430 9 MD G77 Specifications U M oh 44 13 113430 9 Telephone 641 787 7000 EL 11 18 05 11 Installation Procedures Installation should be performed by competent professional in accordance with local state and country codes In the absence of these codes the installation must conform to applicable American National Standards ANSI Z223 1 LATEST EDITION National Fuel Gas Code or ANSI NFPA NO 70 LATEST EDITION National Electrical Code or in Canada the installation must 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 or Canadian Electrical Codes Parts 1 8 2 CSA C22 1 1990 or LATEST EDITION for Electrical Connections Location Reguirements Before installing the dryer be sure the location conforms to local state and country codes 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
36. on 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 DISTRIBUTOR S NAME Serial Number s For replacement parts contact the distributor from which the dryer was purchased or contact Maytag Co 403 West Fourth Street North Newton lowa 50208 Telephone 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 in a prominent location near the dryer Maytag Co 113430 9 IMPORTANT You must disconnect and lockout the electric supply and the gas supply before any covers or guards are removed from the machine to allow access for cleaning adjusting installation or testing of any eguipment per OSHA standards Please observe all safety precautions displayed on the equipment and or specified in the installation manual included with the dryer Before installation check that the local distribution conditions nature of gas and pressure and adjustment of the appliances are compatible CAUTION Dryer s should never be left unattended while in operation Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improp
37. or LATEST EDITION for General Installation and Gas Plumbing 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 The dryer must not be installed or stored in an area where it will be exposed to water and or weather Dryers installed in residential garages must be elevated 18 inches 45 72 cm above the floor Provisions for adequate air supply must be provided as noted in this manual refer to Fresh Air Supply Requirements section Clearance provisions must be made from combustible construction as noted in this manual refer to Dryer Enclosure Requirements section Provisions must be made for adequate clearances for servicing and for operation as noted in this manual refer to Dryer Enclosure Requirements section The dryer must be installed with a proper exhaust duct connection to the outside as noted in this manual refer to Exhaust Requirements section The dryer must be located in an area where correct exhaust venting can be achieved as noted in this manual refer to Exhaust Requirements section Important The dryer should be located where a minimum amount of exhaust ducting will be necessary The dryer must be installed with adequate clearance for air openings into the combustion chamber Caution This dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspect the e
38. or the proper municipal authority for information regarding local codes Important It is your responsibility to have all plumbing connections made by a qualified professional to ensure that the plumbing installation is adequate and conforms to local state and federal regulations or codes It is the installers or owner s responsibility to see that the required water pressure pipe size or connections are provided The manufacturer assumes no responsibility if the fire suppression system is not connected installed or maintained properly Telephone 641 787 7000 21 Installation Water Supply The fire suppression system must be supplied with a minimum water pipe size of 1 2 inch 12 7 mm and be provided with 40 psi 20 psi 2 75 bar 1 37 bar of pressure If the rear area of the dryer or the water supply is located in an area where it will be exposed to cold freezing temperatures provisions must be made to protect these water lines from freezing Warning If the water in the supply line or water solenoid valve freezes the fire suppression system will be inoperative Water Connections The water connection is made to the 3 4 11 5 NH hose adaptor which is shipped in the tumbler and must be installed to the 1 2 N P T water connection located at the upper rear of the dryer A flexible supply line coupling must be used in an effort to avoid damaging the electric water solenoid valve Note The 3 4 11
39. orifice If this conversion is necessary contact the distributor who sold the dryer or contact the manufacturer Important If connection to this appliance is made with a flexible hose it must be suitable for the appliance category in accordance with national installation regulations of the country of destination and if in doubt the installer must contact the supplier The manufacturer of this appliance does not recommend the use of flexible gas supply line hose An external gas supply shutoff must be provided CE Dryers There is an N P T to B S P T adaptor included with each dryer which must be installed to the gas inlet The adaptor is shipped in the tumbler Important Pipe joint compounds that resist the action of natural propane and butane gases must be used Telephone 641 787 7000 17 Heat Input Gas Consumption Orifice Injector Data For Non CE European Models Only Gas Specifications for Non CE Approved Dryers Nominal Supply Gross Orifice Burner Model ee Heating Value Pressure Heat Input RER Slee Injector Pressure ype A Btu ft in WC Btu hr kw DMS mm Quantity in WC Natural 1 000 7 0 13 0 55 000 16 12 20 4 089 1 3 0 MDG31 Liquid Propane 2 500 11 0 55 000 16 12 44 2 184 1 10 0 Natural 1 000 7 0 13 0 90 000 26 38 29 3 454 2 3 0 MDG51 oe Liquid Propane 2 500 11 0 90 000 26 38 47 2 994 2 10 0 Natural 1 000 7 0 13 0 110 000 32 2
40. ovided for this purpose Input connection wiring must be sized properly to handle the dryer s current draw This information is printed on the dryer s data label Important A strain relief must be used where the input wiring enters the oven assembly Gas Information It is your responsibility to have all plumbing connections materials and workmanship conform to local and state regulations or codes of the country of destination In the absence of such codes all plumbing connections materials and workmanship must conform to the applicable local requirements In the USA this is 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 CGAB149 2 M91 L P Gas or LATEST EDITION In Australia the fuel gas code is AS 5601 AG 601 local authority gas electricity and any other relevant statutory regulations 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 Btu being supplied Important Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in personal injury and improper operation of the dryer 113430 9 Important For ease of service the individual gas supply line of each dryer must have its own manual shutoff valve The dryer and its individual shutoff valve must be
41. re or explosion Conversion from Propane or Butane Gas to Natural Gas The following conversion allows the dryer to be operated with natural gas Parts Required for Conversion Description P N Qty Vent Cap and Spring 140415 M Burner Orifice Injector 5 si Refer to page 18 for orifice injector size MDG31 will require 1 MDG51 and MDG77 will require 2 Instructions Disconnect electrical power to the dryer Close all shutoff valves in dryer s gas supply line Important The MDG51 and MDG77 will require that the following procedures be performed on both burner assemblies Open the panel located just below the loading door Locate the gas train and disconnect the union 3 electrical plugs and the gas train mounting screws from the burner Carefully slide the gas train out of the gas train enclosure The carbon ignitor located at the far end of the gas train is very fragile Remove 2 burner tube mounting screws and remove burner tube in order to gain access to the orifice Using a 3 8 wrench or socket remove the existing orifice and replace it with an orifice from the kit Important Use extreme care when removing and replacing orifice injector This orifice injector is made of brass which is easily damaged Reinstall the burner tube onto the burner base Select from the following 3 options the conversion to be performed Converting from unregulated L P to regulated natural gas use a
42. rements 13 Exhaust Requirements seseceeceeeeeeeeeeees 13 Electrical Information ccccccsceeeesseceeeeeeeeees 15 Gas Information ceceeeeeeeeeeeeeeeecteecaeeeeeeeeeees 17 Converting from One Family of Gas to Another 19 Gas Pressure Testing ecececeeceeeeeeeteeeeeeeeeenaaees 21 Water Information 21 Preparation for Operation Start Up 22 Preoperational Test 22 Preoperational Instructions 23 Shutdown Instructions 23 Service Parts Information 23 DOINICR er M a Lee atm cands 23 Parts rennes ne ne nn 23 Warranty Information nn 24 Returning Warranty Cards 24 Warrant ste rt do daa 24 Routine Maintenance mmmmmmns 24 CIC AIING EEEE a 24 Data Label Information 25 List of Acronyms HVAC Heating Ventilating and Air Conditioning inwc Inches of Water Column L C D Liquid Crystal Display L E D Light Emitting Diode L P Liquid Propane OSHA Occupational Safety and Health Administration UL Underwriters Laboratory 641 787 7000 3 Safety Precautions Warning A For your safety the information in this manual must be followed to minimize the risk of fire or explosion and to prevent property damage personal injury or loss of life
43. ss Press the letter on the keypad corresponding to the cycle desired e g key D The dryer will then start i e blower tumbler and heat The L E D display will read MANUAL DRYING CYCLE D __ MIN REMAIN Note The dryer can be stopped at any time by pressing the STOP CLEAR key at this time the dryer will go into a cycle pause If the STOP CLEAR key is pressed again at this point the cycle that was in progress will be cancelled and returned to the READY state When the programmed drying time has expired the non coin microprocessor controller computer will proceed into the Cool Down Cycle Once the Cool Down Cycle begins at the end of the heat cycle the L E D display will read COOL DOWN TEMP gt MINUTES remaining At the end of the heat cycle the dryer will shut off the heat and continue the fan and tumbler until the Cool Down Time or temperature is reached Shutdown Instructions If the dryer is to be shutdown taken out of service for a period of time the following must be performed Discontinue power to the dryer either at the external disconnect switch or the circuit breaker Discontinue the heat supply Gas Models Discontinue the gas supply Shut off external gas supply shutoff valve Shut off internal gas supply shutoff valve located in the gas valve burner area Service Parts Information Service Service must be performed by a qualified trained technician
44. terials 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 8 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 Each dryer should be connected to an independently protected branch circuit The dryer must be connected with copper wire only Do not use aluminum wire which could cause a fire hazard The copper conductor wire cable must be of proper ampacity and insulation in accordance with electric codes for making all service connections Note The use of aluminum wire will void the warranty An individual ground circuit must be provided to each dryer do not daisy chain Component failure due to improper voltage application will void the warranty The manufacturer reserves the right to make changes in specifications at any time without notice or obligation Important A separate protected circuit must be provided to each dryer The dryer must be connected to the electric supply shown on the data label 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
45. the flow of combustion and ventilation air Check back draft dampers in the exhaust ductwork Inspect and remove any lint accumulation which can cause the 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 recommended 7 Days After Installation and Every 12 Months Thereafter A competent professional should inspect bolts nuts screws setscrews grounding connections and nonpermanent gas connections unions shutoff valves and orifices Belts should be examined Cracked or seriously frayed belts should be replaced Complete an operational check of controls and valves Complete an operational check of all safety devices lint door drawer switch door switches sail switch and hi limit thermostats Data Label Information Standard Label SERIAL NUMBER A MODEL XXXXXX ZX 5 C3 TYPE OF HEAT HEAT INPUT 0 TO 2 000 FT x OR hot NEY GAS NATURAL LD AN tai neng 49 A a E 5 5 Oo ELECTRIC SERVICE MINIMUM GAS SUPPLY PRESSURE MAXIMUM GAS SUPPLY PRESSURE lan GAS MANIFOLD PRESSURE Ke FOR USE WITH GASES CLOTHES DRYER VOL xFOR CANADIAN INSTALLATIONS WITH ELEVATIONS BETWEEN 2 000 AND 4 500 FT IEAT INPUT ORIFICE SIZE Na Se JCARRITA 1 20 05 MAN7328 CE Label MODE
46. tible detergents or all purpose cleaner Explosion could result Do not dry rags or articles coated or contaminated with gasoline kerosene oil paint or wax Explosion could result Items that have been spotted or soaked with vegetable or cooking oil constitute a fire hazard and should not be placed in a tumble dryer Do not dry mop heads Contamination by wax or flammable solvents will create a fire hazard Do not use heat for drying articles that contain plastic foam sponge rubber or similarly textured rubber materials Drying in a heated tumbler may damage plastics or rubber and also may be a fire hazard 4 Maytag Co 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 For personal safety the dryer must be electrically grounded in accordance with local and or country codes In the absence of these codes use the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the Canadian Electrical Codes Parts 1 8 2 CSA C22 1 1990 or LATEST EDITION Note Failure to electrically ground the dryer properly will A void the warranty Warning Personal injury or fire could result should the dryer door s
47. tly low pressure areas Note Component failure due to dry cleaning solvent fumes will void the warranty 113430 9 Telephone F MAKE UP AIR OPENINGS A A a E A LL we U Ca IE R SEE RSA SSA TN Ne All APS ee MAN7242 JNERY 6 22 06 A 10 inches 25 4 cm B 11 inches 27 94 cm EXAMPLE For a bank of 4 MDG31 dryers 2 unrestricted openings measuring 10 inches by 11 inches 25 4 cm by 27 94 cm are acceptable Important Make up air must be 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 Exhaust Requirements Exhaust ductwork should be designed and installed by a qualified professional Improperly sized ductwork will create excessive back pressure which results in slow drying increased use of energy and shutdown of the burner by the airflow sail switch burner hi limits or lint chamber hi limit protector thermostat The dryer must be installed with a proper exhaust duct connection to the outside The dryer shall not be exhausted into any gas vent chimney wall ceiling or concealed space of a building Caution This dryer produces combustible lint and must be exhausted to the outdoors 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 tr
48. tment tool for removal of the vent cap Once vent cap is removed the narrow end of the adjustment tool can be used to turn the plastic adjustment screw in the valve Turn the screw clockwise to raise pressure and counterclockwise to lower pressure Gas burner pressures are measured with the burner in operation for all burner adjustment conditions Therefore once the necessary adjustments have been made the dryer must be operated in a heating cycle to verify that the pressure is correct If it is not correct you must discontinue the power to the unit and make further adjustments Repeat these steps as many times as necessary to achieve the correct burner pressure Once the adjustment of the valve is complete the vent cap must be replaced and sealed with for example paint to prevent maladjustment by the user 7 Sv U 4 5 A M SOI A fm Edge 1 for vent cap Edge 2 for adjustment screw MAN7 PEN Le 113430 9 Warning CE Dryers This appliance must only be operated with the gas type indicated on the dryer s data plate If the appliance is converted gas type changed a data plate amendment must be obtained from Maytag Conversions done improperly can result in a fire or explosion Gas Pressure Testing For proper operation the gas pressure must be correct consistent and maintained at the gas pressure rates shown on page 18 Provisions are made at the gas valve for taking gas pressure rea
49. to the outdoors Every 6 months inspect the exhaust ducting and remove any lint buildup 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 door drawer is located just below the loading door of the dryer Open the lint door drawer brush the lint off the lint screen and remove the lint Inspect lint screen and replace if torn Note To remove the lint drawer from the dryer pull drawer out approximately halfway Press the lint door drawer stop downward and pull the drawer out Important 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 area Warning To avoid the hazard of electrical shock discontinue electrical supply to the dryer 90 Days Remove lint from gas valve burner area with a dusting brush or vacuum cleaner attachment Clean any lint accumulation in and around the motor s casing opening Note To prevent damage avoid cleaning and or touching ignitor flame probe assembly Every 6 Months Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer s internal exhaust ducting Note The accumulation of lint in the exhaust ductwork can create a potential fire hazard 113430 9 Note Do not obstruct
50. used It is possible that adjustments have changed in transit or due to marginal location installation conditions Turn on electric power to the dryer Refer to the Operating Instructions for starting your particular model dryer Gas Dryers Open all shutoff valves 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 A gas pressure test should be taken at the gas valve pressure tap of each dryer to ensure that the water column pressure is correct and consistent 113430 9 Note Water column pressure reguirements measured at the pressure tap of the gas valve body must be verified Important In most cases there is no regulator provided in an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer Safety Related Circuits Make a complete operational check of all safety related circuits Door Switch es Hi Limit Thermostats Sail Switch Make a complete operational check of all operating controls Tumbler Coating The tumbler is treated with a protective coating We suggest dampening old garments or cloth material with a solution of water and
51. witch lint door drawer or heat safety circuit ever be disabled Remove articles from the dryer as soon as the drying cycle has been completed Warning Articles left in the dryer after the drying and cooling cycles have been completed can create a fire hazard For safety proper operation and optimum performance the dryer must not be operated with a load less than 66 of its rated capacity Warning You must disconnect and lockout the electric supply and the gas supply before any covers or guards are removed from the machine to allow access for cleaning adjusting installation or testing of any eguipment per OSHA standards Important The dryer must be installed in a location environment which the ambient temperature remains between 40 F 4 44 C and 130 F 54 44 C The operation of this appliance may affect the operation of other types of gas appliances which take their air for safe combustion from the same room If in doubt consult the appliance manufacturer s Use this dryer only for its intended purpose drying fabrics The Cool Down Cycle of tumble dryers should be used to reduce the temperature of the items They should not be removed from the tumble dryer or piled or stacked while hot Fabric softeners or similar products should not be used in a tumble dryer to eliminate the effects of static electricity unless this practice is specifically recommended by the manufacturer of the fabric soften
52. xhaust ducting and remove any lint buildup Important The dryer must be installed in a location environment which the ambient temperature remains between 40 F 4 44 C and 130 F 54 44 C 12 Maytag Co Unpacking Setting Up Remove protective shipping material i e plastic wrap and optional shipping box from the 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 remove the skid from the MDG31 MDG51 or MDG77 locate and remove the 2 bolts securing the base of the dryer to the wooden skid One is located at the center rear and the other is at the center front With the skid removed use caution and assure all four leveling legs are fully retracted if the dryer is to be slid into its final position Leveling Dryer The dryer is equipped with 4 leveling legs 1 at each corner of the base For optimum performance the dryer should be level front to back and side to side Dryer Enclosure Requirements Commercial Type II MDG31 MDG51 MDG77 Bulkheads and partitions should be made of noncombustible material Note A Allowances must be made for opening the control door y Z SSN JNERY 6 22 04 MAN7241 A The requirement to allow the door to open completely for the MDG31 is 33 inches 83 8 cm and the MDG51 and MDG77 are 40 inches 10
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