1. Manuals
  2. Brands
  3. American Dryer Corp. Manuals
  4. Laundry Accessories
  5. ML-175DR Phase 7
  6. Installation manual

American Dryer Corp. ML-175DR Phase 7 Installation Manual

Phase 7 / non-coin / dsi with fire suppression system
Hide thumbs
Table of Contents

Advertisement

Quick Links

ML-175DR Installation Manual
Phase 7 / Non-Coin / DSI
with Fire Suppression System
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:
• Do not try to light any appliance.
• 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.
• 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.
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.
• Ne touchez à aucun interrupteur. Ne pas
vous servir des téléphones se trouvant dans
le bâtiment.
• Évacuez la pièce, le bâtiment ou la zone.
• Appelez immédiatement 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 être assurés par
un installateur ou un service d'entretien qualifié
ou par le fournisseur de gaz.
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781
Telephone: (508) 678-9000 / Fax: (508) 678-9447
E-mail:
techsupport@amdry.com
www.amdry.com
ADC Part No. 113406

Advertisement

Table of Contents
loading

Related Manuals for American Dryer Corp. ML-175DR Phase 7

Summary of Contents for American Dryer Corp. ML-175DR Phase 7

  • Page 1 ML-175DR Installation Manual Phase 7 / Non-Coin / DSI with Fire Suppression System 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.
  • Page 2 Important For your convenience, log the following information: “IMPORTANT NOTE TO PURCHASER” POUR VOTRE SÉCURITÉ Ne pas entreposer ni utiliser d’essence ni d’autres vapeurs ou liquides inflammables à proximité de cet appareil ou de tout autre appareil. ML-175DR Phase 7...

  • Page 3: For Your Safety

    YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM 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 Administration) STANDARDS.
  • Page 4 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 manual included with the dryer.

  • Page 5: Table Of Contents

    SECTION I SAFETY PRECAUTIONS ... 2 SECTION II SPECIFICATIONS ... 4 A. Specifications ... 4 SECTION III INSTALLATION PROCEDURES ... 6 A. Location Requirements ... 6 B. Unpacking/Setting Up ... 7 C. Dryer Enclosure Requirements ... 9 D. Fresh Air Supply Requirements ... 10 E.

  • Page 6: 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.
  • Page 7 7. 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.

  • Page 8: Specifications

    A. 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 APPROX. NET WEIGHT APPROX. SHIPPING WEIGHT AIRFLOW HEAT INPUT EXHAUST CONNECTION (DIAMETER)
  • Page 9 SPECIFICATIONS – GAS AND STEAM NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation. 113406-1 www.amdry.com...

  • Page 10: Installation Procedures

    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: 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 (Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing) or Canadian Electrical Codes Parts 1 &...

  • Page 11: Unpacking/Setting Up

    CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors. Every 6 months, inspect the exhaust ducting and remove any lint buildup. IMPORTANT: 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). B.
  • Page 12 2. If more headroom is needed when moving the dryer into position, the top console (module) may be removed. To Remove Top Console (module): a. Disconnect the ground wire (A in the illustration below) located at the rear upper left corner of the dryer.

  • Page 13: Dryer Enclosure Requirements

    C. DRYER ENCLOSURE REQUIREMENTS Even though a 12-inch (30.48 cm) clearance is acceptable, it is recommended that the rear of the dryer be positioned approximately 24-inches (60.96 cm) from the nearest obstruction (i.e., wall) for ease of installation, maintenance, and service. Bulkheads and partitions should be made from noncombustible materials. The clearance between the bulkhead header and the dryer must be a minimum of 4-inches (10.16 cm) and must not extend more than 4-inches (10.16 cm) to the rear of the front.

  • Page 14: Fresh Air Supply Requirements

    D. FRESH AIR SUPPLY REQUIREMENTS 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.

  • Page 15: Exhaust Requirements

    E. EXHAUST REQUIREMENTS 1. General Exhaust Ductwork Information 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, overheating of the dryer, and shutdown of the burner by the airflow (sail) switches, burner hi-limits, or basket (tumbler) hi-heat thermostats.
  • Page 16 NOTE: 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 corrosion resistance to ducts made of galvanized sheet steel not less than 26 gauge (0.0195-inches [0.5 mm]) thick.”...
  • Page 17 IMPORTANT: Exhaust back pressure measured by a manometer at each basket (tumbler) exhaust duct area must be no less than 0 and must not exceed 0.3 inches (0.74 mb) of water column (W.C.). It is suggested that the ductwork from each dryer not exceed 15 feet (4.57 meters) with no more than three (3) elbows (excluding dryer connections).
  • Page 18 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. Outside Ductwork Protection To protect the outside end of the horizontal ductwork from the weather, a 90°...
  • Page 19 The ductwork 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 which it is to be connected. ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building.
  • Page 20 MULTIPLE DRYER VENTING (GAS DR MODELS) WITH 12” (30.48 CM) DIAMETER (3700 CFM [104.77 CMM]) CONNECTIONS AT COMMON DUCT MULTIPLE DRYER VENTING (STEAM MODELS) WITH 20” (50.8 CM) DIAMETER (4400 CFM [124.59 CMM]) EXHAUST CONNECTION AT COMMON DUCT American Dryer Corp. 113406-1...

  • Page 21: Electrical Information

    F. ELECTRICAL INFORMATION 1. 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 and state regulations or codes. 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.
  • Page 22 2. Electrical Service Specifications IMPORTANT: Figures shown are for non-reversing models only. For reversing models contact the factory. Gas and Steam Models ONLY ELECTRICAL SERVICE SPECIFICATIONS (PER DRYER) IMPORTANT: 208 VAC AND 240 VAC ARE NOT THE SAME. When ordering, specify exact voltage. NOTES: When fuses are used they must be dual element, time delay, current limiting, class RK1 or RK5 ONLY .
  • Page 23 4. Electrical Connections A wiring diagram is located inside the control box for connection data. If local codes permit, power to the dryer can be made by the use of a flexible U.L. 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.

  • Page 24: Gas Information

    G. GAS INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to ensure that the gas plumbing installation is adequate and conforms to local and state regulations or codes. In the absence of such codes, ALL plumbing connections, materials, and workmanship must conform to the applicable requirements of 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/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST EDITION.
  • Page 25 2. Technical Data a. Gas Specifications Manifold Pressure* 3.5 inches W.C. In-Line Pressure 6.0 - 12.0 inches W.C. 14.92 - 29.9 mb Shaded areas are stated in metric equivalents * Measured at the gas valve pressure tap when the gas valve is on. b.
  • Page 26 3. Piping/Connections ALL components/materials must conform to National Fuel Gas Code Specifications ANSI Z223.1-LATEST EDITION, or in Canada, CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas Plumbing), as well as local codes and ordinances and must be done by a qualified professional.
  • Page 27 IMPORTANT: The dryer and its individual shutoff valve must be 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). 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).

  • Page 28: Steam Information

    H. STEAM INFORMATION It is your responsibility to have ALL steam plumbing connections made by a qualified professional to ensure that the installation is adequate and conforms to local and state regulations or codes. IMPORTANT: Failure to comply with the requirements stipulated in this manual can result in component failure, which will VOID THE WARRANTY.
  • Page 29 a. The presence of the condensate in the steam supply line will cause water hammer and subsequent heat exchanger (steam coil) failure. The steam supply connection into the main supply line must be made with a minimum 10-inch (25.4 cm) riser. This will prevent any condensate from draining towards the dryer.
  • Page 30 4. Steam Damper Air System Connections The dryer is manufactured with a pneumatic (piston) damper system, which requires an external supply of compressed air. The air connection is made to the steam damper solenoid valve, which is located at the rear inner top area of the dryer just in front of the electric service relay box.
  • Page 31 6. Steam Damper Air Piston (Flow Control) Operation Adjustment Although the steam damper operation was tested and adjusted prior to shipping at 80 psi (5.51 bar), steam damper operation must be checked before the dryer is put into operation. Refer to the illustration above for correct steam damper operation.

  • Page 32: Preparation For Operation/Start-Up

    I. PREPARATION FOR OPERATION/START-UP The following items should be checked before attempting to operate the dryer: 1. Read ALL “CAUTION,” “WARNING,” and “DIRECTION” labels attached to the dryer. 2. Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label. In the case of 208 VAC or 240 VAC the supply voltage must match the electric service exactly.

  • Page 33: Preoperational Tests

    J. PREOPERATIONAL TESTS ALL dryers are thoroughly tested and inspected before leaving the factory. However, 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. 1.
  • Page 34 IMPORTANT: There is no regulator provided in a liquid propane (L.P.) dryer. The water column (W.C.) pressure must be regulated at the source (L.P. tank) or an external regulator must be added to each dryer. b. Steam Models Check to ensure that the steam damper is functioning properly. The steam damper should not “slam”...

  • Page 35: Compressed Air Requirements

    K. COMPRESSED AIR REQUIREMENTS The dryer requires an external supply of compressed air (2.5 cfh @ 80 psi [0.07 cmh @ 5.51 bar] for gas models and 3.25 cfh @ 80 psi [0.09 cmh @ 5.51 bar] for steam models). For steam models, compressed air is necessary for the air operated steam damper.

  • Page 36: Shutdown Instructions

    L. SHUTDOWN INSTRUCTIONS If the dryer is to be shutdown (taken out of service) for a period of time, the following must be performed: 1. Discontinue power to the dryer either at the external disconnect switch or the circuit breaker. 2.

  • Page 37: Service/Parts Information

    SERVICE/PARTS INFORMATION A. SERVICE Service must be performed by a qualified trained technician, service agency, or gas supplier. If service is required, contact the reseller from whom the ADC equipment was purchased. If the reseller cannot be contacted or is unknown, contact the ADC Service Department for a reseller in your area. NOTE: When contacting the ADC Service Department, be sure to give them the correct model number and serial number so that your inquiry is handled in an expeditious manner.

  • Page 38: Warranty Information

    WARRANTY INFORMATION A. RETURNING WARRANTY CARDS Before any dryer leaves the ADC factory 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 you file a warranty claim.
  • Page 39 2. Each part must be tagged with the following information: a. Model number and serial number of the dryer from which part was removed. b. Nature of failure (be specific). c. Date of dryer installation. d. Date of part failure. e.

  • Page 40: Routine Maintenance

    ROUTINE MAINTENANCE A. 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 air circulation.
  • Page 41 STEAM DRYERS Clean the steam coil fins. Suggest using compressed air and a vacuum cleaner with brush attachment. NOTE: When cleaning steam coil fins, be careful not to bend the fins. If fins are bent, straighten by using a fin comb, which is available from any local air conditioning supply house. 90 DAYS Remove lint from around basket (tumbler), drive motors, and surrounding areas.

  • Page 42: Adjustments

    B. ADJUSTMENTS 7 DAYS AFTER INSTALLATION AND EVERY 6 MONTHS THEREAFTER Inspect bolts, nuts, screws, setscrews, grounding connections, and nonpermanent gas connections (unions, shutoff valves, and orifices). Fan (impellor) V-belts, along with the motor and drive belts should be examined and replaced if necessary.

  • Page 43: Manual Reset Burner Hi-Limit Instructions

    SECTION VII MANUAL RESET BURNER HI-LIMIT INSTRUCTIONS PHASE 7 This dryer was manufactured with a manual reset burner hi-limit thermostat, which is monitored by the Phase 7 computer. If the burner hi-limit is open prior to the start of the drying cycle, the dryer will start momentarily and then shutdown, the Phase 7 computer will display “BURNER HIGH LIMIT FAULT”...

  • Page 44: Data Label Information

    DATA LABEL INFORMATION When contacting ADC, certain information is required to ensure proper service/parts information from ADC. This information is on the data label that is affixed to the left side panel/wall area behind the control door. When contacting ADC please have the model number and serial number available. 1.

  • Page 45: Procedure For Functional Check Of Replacement Components

    PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. Microprocessor Controller (Computer) Board Phase 7 Non-Coin Models a. Upon completing installation of the replacement microprocessor controller (computer) board, reestablish power to the dryer. b. Start the drying cycle by pressing any of the preset cycles in letters A-F. c.
  • Page 46 2. For Models with Direct Spark Ignition (DSI) Module (Type I) Theory of Operation: Start the drying cycle. When the gas burner ignites within the chosen trial for ignition time (6-seconds), the flame sensor detects gas burner flame and signals the DSI module to keep the gas valve open as long as there is a call for heat.

  • Page 47: Fire Suppression System

    SECTION X FIRE SUPPRESSION SYSTEM Fire Suppression System In Action The exclusive fire suppression system will extinguish fires that may start in the drying basket (tumbler). A series of sensors positioned throughout the basket (tumbler) and interfaced with the microprocessor controller (computer) will trigger the fire suppression system water jet(s) to quickly extinguish the flames.
  • Page 48 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.
  • Page 49 2. Water Connections: The water connection is made to the 3/4”-11.5 NH hose adapter of the electric water solenoid valve, located at the rear upper midsection of the dryer (refer to the photo). The water solenoid valve has a 3/8” M.P.T. connection supplied with a 3/4”-11.5 NH hose adapter to provide the minimum 1/2-inch supply (feed) line.
  • Page 50 OPTIONAL MANUAL BYPASS Provisions are made in the dryer’s fire suppression system for the installation of an optional manual bypass. Depending on the model dryer, the connections for the manual bypass are made at the “T” or “three way” fitting located in the outlet supply side of the water solenoid valve.

  • Page 51: System Reset

    FIRE SUPPRESSION SYSTEM THEORY OF OPERATION While the dryer is in an idle state, or 20-seconds after the heat turns off, the Phase 7 microprocessor controller (computer) monitors the thermistor probe, located in the top of the basket (tumbler) chamber, and records the minimum temperature.
  • Page 52 FIRE SUPPRESSION SYSTEM WATER VALVE CHECK The operation of the water solenoid valve can be tested to ensure that the water supply system and valve are functional. Before attempting a system check, be sure that ALL water supply shutoff valves to the dryer are in the OPEN position;...
  • Page 53 FIRE SUPPRESSION SYSTEM DIAGNOSTICS MESSAGES OPEN THERMISTOR PROBE – This message indicates that the fire suppression system thermistor probe either is not connected or is damaged. If this condition is detected, the Phase 7 non-coin microprocessor controller (computer) will immediately enter F.S.S. DISABLED mode. SHORTED THERMISTOR PROBE –...
  • Page 54 ADC 113406 1 - 01/07/05 - 3...

This manual is also suitable for:

Ml-175 phase 7

Table of Contents