Installation Instruction - Maytag Commercial Laundry
Contents
1. MAXIMUM CAPACITY DRY WEIGHT 75 lb 34 02 kg TUMBLER DIAMETER 37 93 98 cm TUMBLER DEPTH 35 1 2 90 17 cm TUMBLER VOLUME 22 09 cu ft 625 52 L TUMBLER MOTOR 3 4 hp 0 56 kW BLOWER FAN MOTOR 1 2 hp 0 37 kW DOOR OPENING DIAMETER 27 3 8 69 53 cm DOOR SILL HEIGHT 27 5 16 69 37 cm WATER CONNECTION 3 4 11 5 NH DRYERS PER 20 40 CONTAINER 9 20 DRYERS PER 48 53 TRUCK 25 27 VOLTAGE AVAILABLE 120 19 2w 60 Hz APPROXIMATE NET WEIGHT 745 lb 337 93 kg N APPROXIMATE SHIPPING WEIGHT 775 lb 351 53 kg lt AIRFLOW 600 cfm 17 00 cmm O HEAT INPUT 130 000 Btu hr 32 760 kcal hr EXHAUST CONNECTION DIAMETER 8 20 32 cm INLET PIPE CONNECTION 1 2 M N P T Shaded areas are stated in metric equivalents 10 3 13 NOTE The manufacturer reserves the right to make changes in specifications at any time without notice or obligation ALL DIMENSIONS ARE IN INCHE S cm 2 A ie 701 T J T Ca 8 1 4 20 95 1 t ware 112204 6 Maytag Co 1 2 MNP T GAS INLET CONNECTION Installation Procedures A WARNING Excessive Weight Hazard Use two or more people and mechanical equipment to lift move and install dryer Failure to do so can result in back or other injury Installation should be performed by competent professional in accordance with local2. 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 3 4 hp 0 56 kW BLOWER FAN MOTOR 1 2 hp 0 37 kW DOOR OPENING DIAMETER 27 3 8 69 53 cm DOOR SILL HEIGHT 27 5 16 69 37 cm WATER CONNECTION 3 4 11 5 NH DRYERS PER 20 40 CONTAINER 10 22 DRYERS PER 53 TRUCK 28 VOLTAGE AVAILABLE 120 19 2w 60 Hz APPROXIMATE NET WEIGHT 610 Ib 276 69 kg N APPROXIMATE SHIPPING WEIGHT 640 Ib 290 30 kg lt AIRFLOW 600 cfm 17 00 cmm o HEAT INPUT 110 000 Btu hr 27 720 kcal hr EXHAUST CONNECTION DIAMETER 8 20 32 cm INLET PIPE CONNECTION 1 2 M N P T Shaded areas are stated in metric equivalents 6 17 13 NOTE The manufacturer reserves the right to make changes in specifications at any time without notice or obligation ALL DIMENSIONS ARE IN INCHES cm 40 1 8 101 92 3 4 05 NH SW CONNECTION 38 1 7 974 16_9 16 4 17 78 i pm t y 16 8 89 IN_ ELECTRICAL Pes si BOX Fa N DAL 179 07 LU i i Ne gt 1 2 MNP T GAS _ e di INLET CONNECTION 62 3 16 EEE t 157 96 T 38 5 8 a 8 1 4 98 1 20 95 EN 2 6 70 1 27 8 20 32 EXH 24 15 16 68 74 ua SEZ wa 3 16 FT 2 73 66 a t t t a 6 Maytag Co 112204 6 MDG78 Specifications
3. MAN7242A EXAMPLE For a bank of four MDG78 dryers two unrestricted openings measuring 14 inches by 19 inches 35 6 cm by 48 3 cm are acceptable 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 predominantly low pressure areas 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 NOTE Component failure due to dry cleaning solvent fumes will void the warranty 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 As per the National Fuel Gas Code Exhaust ducts for type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material Such ducts shall be equivalent in strength and corro
4. Maytag Co 11 Grounding A ground earth connection must be provided and installed in accordance with local state and national regulations or codes of the country of destination 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 Electrical Connections A wiring diagram is located behind the control panel with 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 A WARNING Fire Hazard Use 12 gauge solid copper wire Use a UL listed strain relief Connect the white wire to the white wire from the electric service Connect the black wire to the black wire from the electric service Connect the green wire to the green wire from the ground connection Securely tighten all electrical connections Failure to do so can result in death fire or electrical shock 120 Volt Application with Neutral Remove three screws to remo
5. When the programmed drying time has expired the computer will proceed into the Cool Down part of the cycle The L C D display will read COOL DOWN and the remaining minutes During the cycle the dryer will shut off the heat and continue the fan and tumbler until the Cool Down Time or Temperature has been reached At the end of the cycle the L C D display will read Cycle Done Opening the main door will put the computer back into the Select Cycle state 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 fuel supply close external gas shutoff valve Also close internal gas shutoff valves PN models only disconnect the hose to the S A F E system Unscrew the 3 4 11 5 NH hose adapter to the 3 8 N P T water connection located at the upper rear of the dryer as well as the coupling seated on the supply valve Service Parts Information Service Service must be performed by a qualified trained technician service agency or gas supplier If service is required contact the Maytag distributor from whom the equipment was purchased lf the distributor cannot be contacted or is unknown contact the Maytag Co for a distributor in your area NOTE When contacting the Maytag Co ensure to give the correct model number
6. Failure to do so can result in death or electric shock 1 Disconnect power to the dryer N Turn off gas supply using the shutoff valve that supplies the dryer Remove the toe panel from the dryer Turn gas cock in gas supply line to OFF position Install pressure tap and attach manometer Turn gas cock to ON position NO g e 2S Turn on gas supply using the shutoff valve that supplies the dryer and reconnect the power Start the dryer in Heat Mode and wait for ignition 9 Record the manometer reading Once test is complete disconnect power to the dryer turn gas cock to OFF position Remove manometer Tighten screw inside the pressure tap or install plug 112204 6 11 Turn gas cock to ON position and check for leaks with soap solution 12 Reinstall the toe panel 13 Reconnect the power Water Information PN Models Only Before You Start Check Local Codes and Permits Call your local water company 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 Installing the S A F E System 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
7. MDG35 MDG52 MDG78 Installation Manual im oil RETAIN THESE MAYTAG INSTRUCTIONS IN A COMMERCIAL LAUNDRY SAFE PLACE FOR Se gt FUTURE REFERENCE a Part No 112204 6 Dryer Safety Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER or WARNING These words mean You can be killed or seriously injured if you don t A DA N G E R immediately follow instructions You can be killed or seriously injured if you don t follow A WA R N N G instructions All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what can happen if the instructions are not followed E lt is recommended that the owner post in a prominent location instructions for the customer s use in the event the customer smells gas This information should be obtained from your gas supplier E Post the following warning in a prominent location FOR YOUR SAFETY POUR VOTRE SECURITE Do not store or use gasoline or other flammable vapors Ne pas entreposer ni utiliser d essence ni d autres vapeurs and liquids in the v
8. a preoperational test should be performed before the dryer is publicly used It is possible that adjustments have changed in transit or due to marginal location installation conditions Turn on electric power to the dryer Refer to the operating instructions below for starting your dryer 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 ensure that all gas shutoff valves are open Tumbler Coating The tumbler is treated with an oil coating To remove this coating dampen a good amount of old garments or cloth material with a solution of water and nonflammable mild detergent and tumble them in the tumbler without heat 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 required refer to the computer programming manual which was shipped with the dryer Operating 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 Comp
9. 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 amp 2 CSA C22 1 1990 or LATEST EDITION for Electrical Connections 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 Tools Required E Utility Knife to remove packaging 9 16 Box wrench or 9 16 socket to remove pallet bolts 2 Phillips screwdriver to open front toe panel Pipe wrench for gas connections 7 8 open end wrench or adjustable wrench to install coin box lock TORX T20 TORX T25 to open rear bottom guard to get foot adjustment ends E 1 4 socket or 1 4 open end wrench to make the leg adjustment A pair of slip joint pliers TORX is a registered trademark of Textron Innovations Inc Installing Door Handle 1 Remove handle from dryer tumbler 2 Unwrap door handle from bubble wrap 3 Locate handle standoff in the handle slots 4 Insert 1 4 20 x 2 1 4 stainless Truss Head Phillips screws
10. DRY WEIGHT 35 lb 15 88 kg TUMBLER DIAMETER 30 76 20 cm TUMBLER DEPTH 30 76 20 cm TUMBLER VOLUME 12 27 cu ft 347 44 L TUMBLER DRIVE MOTOR 1 4 hp 0 19 kW BLOWER FAN MOTOR 1 2 hp 0 37 kW DOOR OPENING DIAMETER 19 3 8 49 21 cm DOOR SILL HEIGHT 37 93 98 cm WATER CONNECTION 3 4 11 5 NH DRYERS PER 20 40 CONTAINER 14 28 DRYERS PER 53 TRUCK 36 VOLTAGE AVAILABLE 120 19 2w 60 Hz APPROXIMATE NET WEIGHT 462 lb 209 6 kg 7 APPROXIMATE SHIPPING WEIGHT 492 lb 223 2 kg lt AIRFLOW 319 cfm 9 03 cmm o HEAT INPUT 64 000 Btu hr 16 128 kcal hr EXHAUST CONNECTION DIAMETER 6 15 24 cm INLET PIPE CONNECTION 1 2 M N P T Shaded areas are stated in metric equivalents 6 17 13 NOTE The manufacturer reserves the right to make changes in specifications at any time without notice or obligation ALL DIMENSIONS ARE IN INCHES cm SS 2 3 8 7 16 ee 79 06 60 m 68 J l 6 I 17 32 858 SZ 3 92 x x_ELECTRIC se BOX x Il x FA d TOR 1 2 MNP T GAS sO INLET CONNECTION _ f e 8 5 32 58 5 8 30 8 20 69 48 9 S i 3 J 100 68 i ATN 68 oe i I 32 11 16 L LY 7 E 2 82 99 25 13 16 T 69 3 6555 2 2 O 1 ae ode el 14 1 4 Bae Via 43 8 19 32 36 19 SIDE VIEW 11 12 29 42 FRONT VIEW 112204 6 Maytag Co MDG52 Specifications
11. 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 or visit www maytagcommerciallaundry com and click on distributor locator 112204 6 NOTE When ordering replacement parts from the Maytag distributor or the Maytag Co be sure to give them the correct model number and serial number so that your parts order can be processed in an expeditious manner 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 NOTE Suggested time intervals shown are for average usage which is considered 6 to 8 operational running hours per day 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 Op
12. precautions including the following E Read all instructions before using the dryer E Do not tamper with controls E Do not place items exposed to cooking oils in your E Do not repair or replace any part of the dryer or dryer Items contaminated with cooking oils may attempt any servicing unless specifically contribute to a chemical reaction that could cause a recommended in this installation manual or in load to catch fire published user repair instructions that you Do not dry articles that have been previously cleaned understand and have the skills to carry out in washed in soaked in or spotted with gasoline Do not use fabric softeners or products to eliminate dry cleaning solvents other flammable or explosive static unless recommended by the manufacturer of substances as they give off vapors that could ignite the fabric softener or product or explode Do not use heat to dry articles containing foam Do not allow children to play on or in the dryer rubber or similarly textured rubber like materials Close supervision of children is necessary when the dryer is used near children Clean lint screen every third load to fourth Keep area around the exhaust opening and adjacent surrounding areas free from the accumulation of lint dust and dirt Before the dryer is removed from service or discarded remove the door to the drying compartment A i A The interior of the dryer and exhaust vent should be EO ROPE SON Ino thedrye
13. 3 N 7 E i NOTE 2 ra ARR NOTE A 20feet 6 10 meters C 12feet 3 66 meters MDG35 B 6 inches 15 24cm D 6 inches 15 24cm MDG52 A 25 feet 7 62 meters C 25feet 7 62 meters MDG78 B 8 20 32cm D 8 20 32 cm VERTICAL VED PS l LE NOTE 2 201 NOTE N ON L NI J ON DOOR MAN72114 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 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 112204 6 If it is 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 IMPORTANT To maintain proper performance 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
14. ather information on your particular dryer Part No 112204 6 10 07 13 Maytag Co 3 Type of Heat This describes the type of heat for your particular dryer gas natural gas 4 Heat Input This describes the heat input in British thermal units per hour Btu hr or kilowatts KW 5 Orifice Size Gives the number drill size used 6 Electric Service This describes the voltage and current rating for a particular model 7 Gas Manifold Pressure This describes the manifold pressure taken at the gas valve tap NOTES
15. back guard and the first bend in the gas piping for ease of 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 MAN7209B 14 Maytag Co 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 IMPORTANT Pipe joint compounds that resist the action of natural propane and butane gases must be used Test all connections for leaks by brushing on a soapy water solution liquid detergent works well Gas Pressure Test Procedure A WARNING U Electric Shock Hazard Disconnect power before servicing Replace all parts and panels before operating
16. 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 tempera tures provisions must be made to protect these water lines from freezing 112204 6 A WARNING Electric Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in death or electric shock Connect the hose to the S A F E system The dryer must be connected to the cold water supply valve using a new flexible supply line coupling Do not use old hoses 1 Disconnect power from the dryer 2 Remove rear panel 3 Remove the 3 4 NH hose adapter from the tumbler 4 Connect the 3 4 11 5 NH hose adapter to the 3 8 N P T water connection located at the upper rear of the dryer 5 Screw coupling on by hand until seated on the supply valve Maytag Co 15 6 Using slip joint pliers tighten the coupling with an additional two thirds turn NOTE Do not overtighten Damage to coupling can result 7 Install filter or strainer to the water supply line 8 Connect the new flexible supply line coupling with washers to the 3 4 11 5 NH hose adapter Screw coupling on by hand until seated on the hose adapter Using slip joint pliers tighten the coupling with an additional two thirds turn NOTE Do not overtighten Damage to coupling can result 9 Connect the other end of the ne
17. cing 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 minimal amount of exhaust ducting will be necessary The dryer must be installed with adequate clearance for air openings into the combustion chamber IMPORTANT The dryer must be installed in a location environment where the ambient temperature remains between 40 F 4 44 C and 130 F 54 44 C 112204 6 Dryer Enclosure Requirements A 4 4 7 N i 4 I Hae Y A Z i r E MAN7241 A The requirement to allow the door to open completely for the MDG35 is 33 inches 83 8 cm and the MDG52 and MDG78 are 40 inches 101 6 cm B A minimum overhead clearance of 6 inches 15 24 cm is required 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 ho
18. e dryer must be connected with copper wire only Do not use aluminum wire 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 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 It is necessary to have a power disconnect for each dryer These disconnects must be located within 30 feet 9 meters of the dryer The dryer must be connected to the electric supply shown on the data label Electrical Service Specifications ELECTRICAL SERVICE SPECIFICATIONS 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 Circuit breakers are thermal magnetic industrial motor curve type ONLY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used APPROX AMP DRAW 60 Hz 50 Hz CIRCUIT BREAKER SERVICE PHASE WIRE VOLTAGE SERVICE MDG35 120 2 10 3 15 MDG52 120 2 15 20 MDG78 120 2 19 2 25 10 3 13
19. en the lint 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 the drawer out loosen the torx screws on the sides of the rails This allows the metal clips to rotate and allow the drawer to be fully removed Reverse the above process for installation 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 90 Days A WARNING di Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in death or electrical shock NOTE To prevent damage avoid cleaning and or touching ignitor flame probe assembly Remove lint from gas valve burner area with a dusting brush or vacuum cleaner attachment Maytag Co 17 Clean any lint accumulation in and around the motor s casing opening Every 6 Months Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer s internal exhaust ducting NOTE Do not obstruct 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 resu
20. front control panel on the right side List of Acronyms HVAC Heating Ventilating and Air Conditioning in we Inches of Water Column L C D Liquid Crystal Display L P Liquid Propane UL Underwriters Laboratory 4 Maytag Co Table of Contents MDG35 Specifications cccsssseeeeeseeeeeeteeeseeeees 5 MDG52 Specifications c eccssseeeeeeseeeeeeteeneeeeeees 6 MDG78 Specifications c eccssseeeeeeseeeeeeeeeneeseees 7 Installation Procedures ccccssseeeeeeeeesseeeeeeeees 8 Location Requirements 8 Dryer Enclosure Requirement 9 Fresh Air Supply Requirements 9 Exhaust Requirement ii 9 Electrical Information 11 Gas Information nanne n rnnr nsnnrren nn 12 Water Information PN Models Only 15 Preparation for Operation Start Up 16 Preoperational Test 16 Operating Instructions i 16 Shutdown Instructions nee 17 Service Parts Information 17 DENICE suite E aA 17 Parts anae aa ra eu a a aada 17 Routine Maintenance ssssseseennunnnennnnnnnnnnnnnnnnnnna 17 ClO ANING e EE EEEE EET 17 Data Label Information ri 18 112204 6 MDG35 Specifications MAXIMUM CAPACITY
21. han 1 2 psig 3 5 kPa The dryer and its individual shutoff valve must be disconnected from the gas supply system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa Failure to isolate or disconnect the dryer from supply as noted can cause irreparable damage to the gas valve voiding the warranty NOTE Undersized gas piping will result in ignition problems slow drying and increased use of energy The input ratings shown on the data label are for elevations up to 2 000 feet 610 meters unless elevation requirements of over 2 000 feet 610 meters were specified at the time the dryer order was placed with the factory The adjustment or conversion of dryers in the field for elevations over 2 000 feet 610 meters is made by changing each burner orifice If this conversion is necessary contact the distributor who sold the dryer or contact the manufacturer IMPORTANT If connection to this dryer 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 dryer does not recommend the use of flexible gas supply line hose Pipe joint compounds that resist the action of natural propane and butane gases must be used on all non flare fittings In the U S A An individual manual shutoff valve must be installed withi
22. icinity of this or any other appliance ou liquides inflammables a proximit de cet appareil ou de 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 e 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 e 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 the gas supplier tout autre appareil AVERTISSEMENT Assurez vous de bien suivre les instructions donn es dans cette notice pour r duire au minimum le risque d incendie ou d explosion ou pour viter tout dommage mat riel toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables a proximit de cet appareil ou de tout autre appareil QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ Ne pas tenter d allumer d appareils Ne touchez a aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le batimen
23. l gas It is design certified by CSA International for L P propane and butane gases with appropriate conversion see below No attempt shall be made to convert the dryer from the gas specified on the serial rating plate for use with a different gas without consulting the serving gas supplier Conversion must be done by a qualified service technician MDG35 L P Conversion Kit 887295 MDG52 L P Conversion Kit 887296 MDG78 L P Conversion Kit 887293 112204 6 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 It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the combined Btu ratings from all dryers being supplied IMPORTANT For ease of service the individual gas supply line of each dryer must have its own manual shutoff valve 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 t
24. lt in slow drying and shutdown of heat circuit safety switches or thermostats When cleaning the dryer cabinet avoid using harsh abrasives A product intended for the cleaning of appliances is recommended 7 Days After Installation and Every 12 Months Thereafter Inspect bolts nuts screws setscrews grounding connections and nonpermanent gas connections unions shutoff valves and orifices The belt should be examined A cracked or seriously frayed belt should be replaced Complete an operational check of controls and valves Complete an operational check of all safety devices lint drawer switch door switches sail switch and hi limit thermostats Data Label Information Standard Label O 2 i on MODEL 1 __ G p TYPE OF HEAT HEAT INPUT 0 TO 2 000 FT GAS NATURAL lan 6 ELECTRIC SERVICE MINIMUM GAS SUPPLY PRESSURE MAXIMUM GAS SUPPLY PRESSURI GAS MANIFOLD PRESSURE FOR USE WITH GASES CLOTHES DRYER VOI FOR CANADIAN INSTALLATIONS WITH ELEVATIONS BETWEEN 2 000 AND 4 500 FT HEAT INPUT ORIFICE SIZE ICARRITA 1 20 05 MAN7328 When contacting Maytag the information on the data label is required to ensure proper service parts assistance The data label is located at the lower left rear of the dryer behind the back guard 1 Model Number This describes the style of dryer and type of heat gas 2 Serial Number Allows the manufacturer to g
25. m Diameter 560 cfm 15 85 cmm Exhaust Connections at Common Duct NUMBER OF DRYERS 4 3 2 1 e MINIMUM CROSS SQ IN 150 120 80 54 O SECTIONALAREA saCM 967 7 7742 516 1 3484 MINIMUM ROUND IN 14 12 10 8 DUCT DIAMETER CM 35 56 30 48 254 20 32 112204 6 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 destination In the absence of such codes all electrical connections materials and workmanship must conform to the applicable requirements of the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION For personal safety the dryer must be electrically grounded in accordance with local codes and or the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in component failure NOTE Component failure due to improper installation will void the warranty Each dryer should be connected to an independently protected branch circuit Th
26. n 6 feet 1 8 meters of the dryer in accordance with the National Fuel Gas Code ANSI 2223 1 In Canada An individual manual shutoff valve must be installed in accordance with the B149 1 Natural Gas and Propane Installation Code It is recommended that an individual manual shutoff valve be installed within 6 feet 1 8 meters of the dryer NOTES 112204 6 Maytag Co 13 Heat Input Orifice Injector Data Gas Specifications for CSA Approved 60 Hz Dryers Nominal Heating Value Supply Pressure Gas Gross Heat Input Manifold Pressure Orifice Injector Orifice Size Type Btu ft in WC Btu hr kW DMS mm Quantity Natural 1 000 7 0 13 0 64 000 18 74 23 1 Natural 1 000 7 0 13 0 110 000 32 24 22 7 0 13 0 Natural 1 000 130 000 Shaded areas are stated in metric equivalents 38 1 26 Consult factory for elevations over 2 000 feet 610 meters for correct orifice size Gas Connections Inlet connection 1 2 M N P T Inlet supply size 1 2 Pipe minimum Piping Connections The dryer is provided with a 1 2 N P T inlet pipe connection out the rear of the dryer It is recommended that a gas shutoff valve be provided to the gas supply line of each dryer for ease in servicing There should be a minimum 6 inch 15 24 cm clearance between the
27. ometer 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 The ductwork for this dryer must be suitable for the appliance category in accordance with national installation regulations of the country of destination Outside Venting Protection To shelter 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 10 Maytag Co 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 Dt va ere 5
28. r ifthe orum is moving cleaned periodically by qualified service personnel Do not install or store the dryer where it will be installation instructions for groundin exposed to the weather See installation instructions for grounding requirements SAVE THESE INSTRUCTIONS IMPORTANT The gas installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 or the Canadian Natural Gas and Propane Installation Code CSA B149 1 The dryer must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or Canadian Electrical Code CSA C22 1 112204 6 Maytag Co 3 Important Information IMPORTANT A means of restraint must be used to avoid straining of the gas supply when the dryer is moved An external means of power removal disconnect device must be provided by the installer Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper operation Attention Au moment de l entretien des commandes tiquetez tous les fils avant de les d brancher Des erreurs de c blage peuvent entra ner un fonctionnement inad quat et dangereux WARNING The dryer must never be operated with any of the back guards or service panels removed Personal injury or fire could result The wiring diagram for the dryer is located behind the
29. 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 B feet B meters or has more than 1 elbow in it A MDG35 6 inch 15 24 cm MDG52 8 inch 20 32 cm NO OF DRYERS MDG78 8 inch 20 32 cm B MDG35 12 feet 3 66 meters MDG52 20 feet 6 meters MDG78 20 feet 6 meters NOTE 1 v OTE 2 7 JCARRITA 04 21 04 MAN7212 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 2 times the diameter of the duct to the nearest obstruction Multiple Dryer Venting with 6 Inch 15 24 cm Diameter 380 cfm 10 76 cmm Exhaust Connections at Common Duct NUMBER OF DRYERS 4 3 2 1 a MINIMUM CROSS SQIN 120 80 54 30 3 SECTIONAL AREA SQCM 774 2 516 1 3484 193 55 S MINIMUM ROUND IN 12 10 8 6 DUCT DIAMETER CM 30 48 254 20 32 15 24 Multiple Dryer Venting with 8 Inch 20 32cm Diameter 560cfm 15 85cmm ExhaustConnections at Common Duct NUMBER OF DRYERS 4 3 2 1 P MINIMUM CROSS SQIN 150 120 80 54 2 SECTIONAL AREA SQCM 967 7 7742 516 1 3484 S MINIMUM ROUND IN 14 12 10 8 DUCT DIAMETER CM 35 56 30 48 254 20 32 Multiple Dryer Venting with 8 Inch 20 32 c
30. sion resistance to ducts made of galvanized sheet steel not less than 26 gauge 0 0195 inches 0 50 mm thick Maytag Co 9 A WARNING Fire Hazard Use a heavy metal vent Do not use a plastic vent Do not use a metal foil vent Failure to follow these instructions can result in death or fire The ductwork should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible 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 This unit is fitted with an integral back draft damper inside the exhaust connection 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 Exhaust back pressure measured by a man
31. t e Evacuez la pi ce le b timent ou la zone 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 L installation et l entretien doivent tre assur s par un installateur ou un service d entretien qualifi ou par le fournisseur de gaz Maytag Co 112204 6 WARNING Gas leaks cannot always be detected by smell Gas suppliers recommend that you use a gas detector approved by UL or CSA For more information contact your gas supplier If a gas leak is detected follow the What to do if you smell gas instructions In the State of Massachusetts the following installation instructions apply E Installations and repairs must be performed by a qualified or licensed contractor plumber or gasfitter qualified or licensed by the State of Massachusetts E If using a ball valve it shall be a T handle type E A flexible gas connector when used must not exceed 3 feet State of California Proposition 65 Warnings WARNING This product contains one or more chemicals known to the State of California to cause cancer WARNING This product contains one or more chemicals known to the State of California to cause birth defects or other reproductive harm IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of fire electric shock or injury to persons when using the dryer follow basic
32. through preexisting door holes 5 Having handle flushed against door tighten the two stainless Phillips screws 8 Maytag Co Location Requirements A WARNING Explosion Hazard Keep flammable materials and vapors such as gasoline away from dryer Do not install in a garage Failure to do so can result in death explosion or fire Before installing the dryer ensure the location conforms to local codes and ordinances In the absence of such codes or ordinances the location must conform with the National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the installation must conform to applicable Canadian Standards CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION for General Installation and Gas Plumbing The operation of this dryer may affect the operation of other types of gas dryers which take their air for safe combustion from the same room If in doubt consult the dryer manufacturer s 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 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 servi
33. uter 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 Heavy Duty Normal or Delicate 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 cycle 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 112204 6 Non Coin Models Microprocessor Controller Computer The L C D display reads SELECT CYCLE no cycle in progress Scroll up or down to the desired cycle using the A or W arrow key Press the y key and the highlighted cycle will start tumbler blower then the heat The L C D display will read the name of the selected cycle and the approximate remaining minutes NOTE The dryer can be paused or stopped at any time Press the X key Pause Stop once to pause the cycle Press the key to restart the cycle or press the X key again to cancel the cycle in progress and return to the SELECT CYCLE state If nothing is done the cycle will restart automatically in 20 seconds
34. ve the electrical box plate at the upper right area of the dryer Remove knockout provided just in front of electrical box and insert 3 4 UL listed strain relief into the holes Single Phase 19 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 Insert incoming black wire L1 into connection 2 Insert incoming white wire neutral into connection 1 Insert incoming green wire ground into copper lug Tighten strain relief screws assuring to leave a 1 2 of slack in the box Replace electrical box plate by inserting 3 screws previously removed 12 Maytag Co 120V Application with Neutral BLACK WHITE Gas Information A WARNING Explosion Hazard Use a new CSA International approved gas supply line Install a shutoff valve Securely tighten all gas connections If connected to LP have a qualified person make sure gas pressure does not exceed 13 water column Examples of a qualified person include licensed heating personnel authorized gas company personnel and authorized service personnel Failure to do so can result in death explosion or fire Type of Gas This dryer is equipped for use with natura
35. w flexible supply line coupling with new washers to the water supply valve e Screw coupling on by hand until seated on the supply valve Using slip joint pliers tighten the coupling with an additional two thirds turn NOTE Do not overtighten Damage to coupling can result 10 Turn water supply to dryer on 11 Check for leaks e Check for leaks at the flexible supply line coupling the 3 4 11 5 NH hose adapter both ends 12 Reinstall the rear panel 13 Reconnect the power NOTE Do not overtighten Damage to coupling can result Preparation for Operation Start Up _ The following items should be checked before attempting to operate the dryer e Read all WARNING and DIRECTION labels attached to the dryer e Check incoming supply voltage to ensure that it is the same as indicated on the data label e Ensure that all gas shutoff valves are in the open position e Ensure all back panels guards and electric box covers are in place e Ensure the service doors are closed and securely in place e Ensure the lint door drawer is securely in place Rotate the tumbler drum by hand to ensure 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 16 Maytag Co Preoperational Test All dryers are thoroughly tested and inspected before leaving the factory However
36. wever a 1 16 1 5875 mm minimum allowance must be made for the opening and closing of the control door as well as for the removal of panels during maintenance Fresh Air Supply 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 certain consideration to ensure proper performance of each dryer Fresh air ventilation openings shall not be blocked and or sealed Requirements for unrestricted air entrance from the outdoors Based on 1 inch 6 5 cm per 1 000 Btu 252 kcal MDG78 130 inch 838 cm is required per dryer MDG52 110 inch 710 cm is required per dryer MDG35 55 inch 354 cm is required per dryer 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 112204 6 A 14 inches 35 6 cm B 19 inches 48 3 cm
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