Maytag MDG31 Installation & Operator's Manual
Maytag MDG31 Installation & Operator's Manual

Maytag MDG31 Installation & Operator's Manual

American dryer corporation dryer installation/operator's manual
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MDG31 / MDG51 / MDG77
Installation/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 liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance.
G
Do not touch any electrical switch;
G
do not use any phone in your
building.
Clear the room, building or area of
G
all occupants.
Immediately call your gas supplier
G
from a neighbor's phone. Follow
the gas supplier's instructions.
If you cannot reach your gas
G
supplier, call the fire department.
— Installation and service must be
performed by a qualified installer,
service agency or the gas supplier.
AVERTISSEMENT: Assurez-vous de bien
suivre les instructions données dans cette
notice pour réduire au minimum le risque
d'incendie ou d'explosion ou pour éviter
tout dommage matériel, toute blessure ou
la mort.
—Ne pas entreposer ni utiliser d'essence
ni d'autres vapeurs ou liquides
inflammables à proximité de cet
appareil ou de tout autre appareil.
—QUE FAIRE SI VOUS SENTEZ UNE
ODEUR DE GAZ:
Ne pas tenter d'allumer d'appareils.
G
Ne touchez à aucun interrupteur. Ne
G
pas vous servir des téléphones se
trouvant dans le bâtiment.
Évacuez la pièce, le bâtiment ou la
G
zone.
Appelez immédiatement votre
G
fournisseur de gaz depuis un voisin.
Suivez les instructions du fournisseur.
Si vous ne pouvez rejoindre le
G
fournisseur de gaz, appelez le service
des incendies.
—L'installation et l'entretien doivent être
assurés par un installateur ou un
service d'entretien qualifié ou par le
fournisseur de gaz.
RETAIN THESE
INSTRUCTIONS IN A
SAFE PLACE FOR
FUTURE REFERENCE
Part No. 113430 - 9

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Table of Contents
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Summary of Contents for Maytag MDG31

  • Page 1 MDG31 / MDG51 / MDG77 Installation/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 liquids in the vicinity of this or any other appliance.
  • Page 2: Telephone: (641)

    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.
  • Page 3: Table Of Contents

    The wiring diagram for the dryer is located behind the control panel. 113430 - 9 Table of Contents ________ Safety Precautions ... 4 MDG31 Specifications ... 6 MDG51 Specifications ... 8 MDG77 Specifications ... 10 Installation Procedures ... 12 Location Requirements ... 12 Unpacking/Setting Up ...
  • Page 4: Safety Precautions

    Safety Precautions ____________________ 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 loss of life. The dryer must never be operated with any of the back guards, outer tops, or service panels removed.
  • Page 5 Warning 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.
  • Page 6: Mdg31 Specifications

    MDG31 Specifications ________________________________________________________________ MAXIMUM CAPACITY (DRY WEIGHT) TUMBLER DIAMETER TUMBLER DEPTH TUMBLER VOLUME TUMBLER/DRIVE MOTOR BLOWER/FAN MOTOR DOOR OPENING (DIAMETER) DOOR SILL HEIGHT WATER CONNECTION DRYERS PER 20’/40’ CONTAINER DRYERS PER 48’/53’ TRUCK VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT...
  • Page 7 MDG31 Specifications ________________________________________________________________ 113430 - 9 Telephone: (641) 787-7000...
  • Page 8: Mdg51 Specifications

    MDG51 Specifications _________________________________________________________________ MAXIMUM CAPACITY (DRY WEIGHT) TUMBLER DIAMETER TUMBLER DEPTH TUMBLER VOLUME TUMBLER/DRIVE MOTOR BLOWER/FAN MOTOR DOOR OPENING (DIAMETER) DOOR SILL HEIGHT WATER CONNECTION DRYERS PER 20’/40’ CONTAINER DRYERS PER 48’/53’ TRUCK VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW HEAT INPUT EXHAUST CONNECTION (DIAMETER)
  • Page 9 MDG51 Specifications _________________________________________________________________ 113430 - 9 Telephone: (641) 787-7000...
  • Page 10: Mdg77 Specifications

    MDG77 Specifications ______________________________________________________________ MAXIMUM CAPACITY (DRY WEIGHT) TUMBLER DIAMETER TUMBLER DEPTH TUMBLER VOLUME TUMBLER/DRIVE MOTOR BLOWER/FAN MOTOR DOOR OPENING (DIAMETER) DOOR SILL HEIGHT WATER CONNECTION DRYERS PER 20’/40’ CONTAINER DRYERS PER 48’/53’ TRUCK VOLTAGE AVAILABLE APPROXIMATE NET WEIGHT APPROXIMATE SHIPPING WEIGHT AIRFLOW HEAT INPUT EXHAUST CONNECTION (DIAMETER)
  • Page 11 MDG77 Specifications ______________________________________________________________ 113430 - 9 Telephone: (641) 787-7000...
  • Page 12: Installation Procedures

    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.
  • Page 13: Fresh Air Supply Requirements

    Component failure due to dry cleaning solvent fumes will void the warranty. 113430 - 9 A = 10-inches (25.4 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.
  • Page 14: Vertical Venting

    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...
  • Page 15: Electrical Information

    12 feet (3.66 meters) or has more than 1 elbow in it. A = MDG31 6-inch (15.24 cm) MDG51 8-inch (20.32 cm) MDG77 8-inch (20.32 cm) B = 12 feet (3.66 meters)
  • Page 16: Gas Models Only

    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.
  • Page 17: Gas Information

    Gas Models Only 120-240V Application with Neutral 200-240V Application without Neutral Caution The dryer must be grounded. A ground lug has been provided 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.
  • Page 18 Heat Input/Gas Consumption/Orifice (Injector) Data (For Non-CE [European] Models Only) Gas Specifications for Non-CE Approved Model Type Natural MD G31 *Liquid Propane Natural MD G51 *Liquid Propane Natural MD G77 *Liquid Propane 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.
  • Page 19: Converting From One Family Of Gas To Another

    L.P. Conversion Label Refer to page 18 for orifice (injector) size. Required for unregulated propane or butane only. *** MDG31 will require 1; MDG51 and MDG77 will require 2. **** Required for regulated LPG or propane only. Instructions Disconnect electrical power to the dryer.
  • Page 20 Vent Cap and Spring Burner Orifice (Injector) * 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.
  • Page 21: Gas Pressure Testing

    • 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).
  • Page 22: Preparation For Operation/Start-Up

    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.
  • Page 23: Preoperational Instructions

    Note Water column pressure requirements (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.
  • Page 24: Warranty Information

    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. Warranty Information _________________ Returning Warranty Cards Before any dryer leaves the manufacturer’s test area, a warranty card is placed on the back side of the main door...
  • Page 25: Data Label Information

    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 result in slow drying and shutdown of heat circuit safety switches or thermostats.
  • Page 26 Part No. 113430 9 - 02/15/08 - 0...

This manual is also suitable for:

Mdg77Mdg51

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