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MDG-75
Installation/Operator's Manual
WARNING: For your safety the
AVERTISSEMENT: Assurez-vous de bien
information in this manual must be suivre les instructions données dans cette
followed to minimize the risk of fire or
notice pour réduire au minimum le risque
explosion or to prevent property damage,
dincendie ou dexplosion ou pour éviter tout
personal injury or death. dommage matériel, toute blessure ou la mort.
Do not store or use gasoline or other flammable Ne pas entreposer ni utili
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Retain This Manual In A Safe Place For Future Reference Our products embody 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/operator's manual included with the dryer. The following FOR YOUR SAFETY caution must be posted near th
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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 EQUIPMENT per OSHA (Occupational Safety and Health Adminis- tration) STANDARDS. «Attention: Lor des opérations dentretien des commandes étiqueter tous fils avant Caution: Label all wires prior to de les déconnecter. Toute erreur de disconnection when servicing controls. Wiring câbla
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WARNING The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJURY or FIRE COULD RESULT. WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER/SCREEN IN PLACE...EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation/operator's manual included with the dryer. WARNING Dryer MUST NEVER BE operated without the Lint Filter/Scree
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Table of Contents SECTION I IMPORTANT INFORMATION...............................................................................3 A. Receiving and Handling ............................................................................................................ 3 B. Safety Precautions ..................................................................................................................... 4 SECTION II SPECIFICATIONS .............................................................
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SECTION VI ROUTINE MAINTENANCE..................................................................................35 A. Cleaning ................................................................................................................................... 35 B. Adjustments .............................................................................................................................. 37 SECTION VII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS ....................
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SECTION I IMPORTANT INFORMATION A. RECEIVING and HANDLING The dryer is shipped in a protective stretch wrap cover with protective cardboard corners and top cover (or optional box) as a means of preventing damage in transit. Upon delivery, the dryer and/or packaging, and wooden skid should be visually inspected for shipping damage. If any damage whatsoever is noticed, inspect further before delivering carrier leaves. Dryers damaged in shipment. 1. ALL dryers should be inspected upon receipt a
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B. SAFETY PRECAUTIONS 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 loss of life. WARNING: The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJURY or FIRE COULD RESULT. 1. DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. 2. Purchaser/user should cons
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7. A program should be established for the inspection and cleaning of lint in the heating unit area, exhaust duct work, and inside 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 duct work can create a potential fire hazard. 8. For personal safety, the dryer must be electrically grounded in accordance with local codes and/or the National Electric Code ANSI/NFPA NO. 70-LATE
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SECTION II SPECIFICATIONS/COMPONENT IDENTIFICATION A. SPECIFICATIONS 0$;,080&$3,&,7< + *, ( : W OEV NJ %$6.(7',$0(7(5 FP %$6.(7'(37+ FP %$6.(702725 +3
NZ '22523(1,1* 'LDPHWHU FP %$6.(792/80( FXIW FXP '5<(563(5 &217$,1(5 '5<(563(5 758&. 92/7$*($9$,/$%/( Y¡¡+] $3352;:(,*+7 8QFUDWHG OEV NJ $3352;:(,*+7 &UDWHG OEV NJ +($7,1387 EWXKU
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Specifications MDG-75 (Hot Surface Ignition) NOTE: Manufacturer reserves the right to make changes in specifications at any time, without notice or obligation. 7
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B. COMPONENT IDENTIFICATION 1. Dryer Front View Illus. No. Description 1 Controls 2 Control (top access) Door Assembly 3 Main Door Assembly 4 Lint Compartment Area (lint screen located behind door) 5 Data Label and Installation Label (located behind control [service] door) 8
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2. Dryer Rear View Illus. No. Description 1 Heating Unit 2* Electric Service Relay Box 3 Tumbler Bearing Mount Assembly 4 Idler Bearing Mount Assembly 5 Blower Motor Assembly 6 Leveling Leg (rear) 7 Basket (Drive) Motor Assembly (Reversing Models Only) 8 Dryer Exhaust * Electric service connections for Gas Models are made in this box. 9
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SECTION III INSTALLATION PROCEDURES Installation should be performed by competent technicians in accordance with local and state codes. In the absence of these codes, the installation must conform to applicable American National Standards: National Fuel Gas Code ANSI.Z223.1-LATEST EDITION or National Electric Code ANSI/NFPA NO. 70-LATEST EDITION. A. LOCATION REQUIREMENTS Before installing the dryer, be sure the location conforms to local codes and ordinances. In the absence of such codes or
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B. UNPACKING/SETTING UP Remove protective shipping material (i.e., plastic wrap, or optional shipping box) from 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 un-skid the dryer, locate and remove the four (4) bolts securing the base of the dryer to the wooden skid. Two (2) are at the rear base (remove the back panel for access), and two (2) a
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C. DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12-inches (18-inches or more is recommended for ease of installation, maintenance , and service) above the dryer outer top, except along the front of the dryer which may be partially closed in if desired. The clearance between the bulkhead header and the dryer must be a minimum of four (4) inches and must not extend more than four (4) inches to the rear of the fr
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D. FRESH AIR SUPPLY When the dryer is operating, it draws in room air, heats it, passes this air through the basket (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. Air supply (make-up air) must be given ca
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E. EXHAUST REQUIREMENTS 1. General Exhaust Duct Work Information Exhaust duct work should be designed and installed by a qualified professional. Improperly sized duct work will create excessive back pressure which results in slow drying, increased use of energy, overheating of the dryer, and shutdown of the burner by the airflow (sail) switches, burner hi-limits, or basket (tumbler) hi-heat thermostats. CAUTION: DRYER MUST BE EXHAUSTED TO THE OUTDOORS. CAUTION: IMPROPERLY SIZED OR INSTALLED E
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NOTE: Where the exhaust duct work passes through a wall, ceiling, or roof made of combustible materials, the opening must be 2-inches larger (all the way around) than the duct. The duct must be centered within this opening. a. Outside Duct Work Protection 1) To protect the outside end of horizontal duct work from the weather, a 90° elbow bent downward should be installed where the exhaust exits the building. If the duct work travels vertically up through the roof, it should be protected from
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IMPORTANT: For extended duct work runs, the cross section area of the duct work can only be increased to an extent. When the duct work approaches the maximum limits noted in this manual, a professional heating venting air conditioning (HVAC) firm should be consulted for proper venting information. ALL duct work should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint. When adding ducts, the duct to be added should overlap the duct to whi
