American Dryer Corp. ML-82 III Installation Manual

Gas – dsi / steam models / phase 7 fire suppression system

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ML-82 III Installation Manual

Gas – DSI / Steam Models / Phase 7

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.

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.

Fire Suppression System

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 USA

Telephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447

e-mail: techsupport@amdry.com

www.amdry.com

ADC Part No. 113344 - 9

Table of Contents

Summary of Contents for American Dryer Corp. ML-82 III

Page 1: Fire Suppression System
ML-82 III Installation Manual Gas – DSI / Steam Models / Phase 7 Fire Suppression System 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.
Page 2 American Dryer Corporation 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 manual included with the dryer.
Page 3: For Your Safety
Use of this product could expose you to substances from fuel combustion that contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. 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...
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/COMPONENT IDENTIFICATION ... 4 A. Specifications ... 4 B. Component Identification ... 6 SECTION III INSTALLATION PROCEDURES ... 8 A. Location Requirements ... 8 B. Unpacking/Setting Up ... 9 C. Dryer Enclosure Requirements ... 10 D.
Page 6: Section I
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/Component Identification
SPECIFICATIONS/COMPONENT IDENTIFICATION A. SPECIFICATIONS 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) COMPRESSED AIR CONNECTION COMPRESSED AIR VOLUME...
Page 9: Specifications
Specifications NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation. 113344 - 9 www.amdry.com...
Page 10: Component Identification
B. COMPONENT IDENTIFICATION 1. Dryer Front View Illus. No. Description Controls Control (top access) Door Assembly Main Door Assembly Lint Compartment Area (lint screen located behind door) Lint Drawer Data Label and Installation Label American Dryer Corp. 113344 - 9...
Page 11 2. Dryer Rear View Illus. No. Description Heating Unit 1/8” Compressed Air Supply Inlet (behind electric service relay box for steam units only) Electric Service Relay Box Basket (tumbler) Bearing Mount Assembly Idler Bearing Mount Assembly Blower Motor Assembly Leveling Leg (rear) Basket (tumbler) (drive) Motor Assembly (reversing models only) Dryer Exhaust Electric service connections for gas models and steam models are made in this box.
Page 12: 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 13: Unpacking/Setting Up
IMPORTANT: Dryer must be installed in a location/environment, which the ambient temperature remains between 40º F (4.44º C) and 130º F (54.44º C). B. UNPACKING/SETTING UP Remove protective shipping material (i.e., plastic wrap and 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 with or without the skid attached.
Page 14: Dryer Enclosure Requirements
C. DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible material. NOTE: Allowances must be made for opening the control door. A 40-inches (101.6 cm) for optimum opening of load door. B The maximum thickness of the bulkhead is 4-inches (10.16 cm). For electric dryers the maximum thickness of the bulkhead is 1-inch (2.54 cm) within 3-inches (7.62 cm) from the top of the control door.
Page 15: 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 16: 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 shut down of the burner by the airflow (sail) switches, burner hi-limits, or basket (tumbler) hi-heat thermostats.
Page 17 Outside Ductwork Protection To protect the outside end of the horizontal ductwork from the weather, a 90º 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 180º turn to point the opening downward. In either case, allow at least twice the diameter of the duct opening and the nearest obstruction.
Page 18 IMPORTANT: For extended ductwork runs, the cross section area of the ductwork can only be increased to an extent. When the ductwork approaches the maximum limits noted in this manual, a professional heating, ventilating, and air-conditioning (HVAC) firm should be consulted for proper venting information. ALL ductwork should be smooth inside with no projections from sheet metal screws or other obstructions, which will collect lint.
Page 19 IMPORTANT: No more than four (4) dryers should be connected to one (1) main common duct. The main duct may be any shape so long as the minimum cross-sectional area is provided. The illustration on page 16 shows the minimum cross section area for multiple dryer round or square venting. These figures must be increased 10 square inches (64.52 squares centimeters) when rectangular main ducting is used, and the ratio of duct width to depth should not be greater than 3-1/2 to 1.
Page 20: Electrical Information
F. ELECTRICAL INFORMATION 1. Electrical Requirements It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure 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 21 2. Electrical Service Specifications ELECTRICAL SERVICE SPECIFICATIONS (PER DRYER) IMPORTANT: 208 VAC AND 230/240 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 . Calculate/determine correct fuse value, by applying either local and/or National Electrical Codes to listed appliance amp draw data.
Page 22: Gas Information
For gas and steam dryers manufactured for operation at 3-phase (3ø), the electrical connections are made at the power distribution block located in the service box at the rear, upper left hand corner of the dryer. To gain access to the service box and contactor, the service box cover must be removed.
Page 23 IMPORTANT: Failure to isolate or disconnect dryer from supply as noted can cause irreparable damage to the gas valves VOIDING THE WARRANTY. WARNING: FIRE OR EXPLOSION COULD RESULT DUE TO FAILURE OF ISOLATING OR DISCONNECTING THE GAS SUPPLY AS NOTED. 1.
Page 24 1) Natural Gas Regulation is controlled by the dryer’s gas valve’s internal regulator. Incoming supply pressure must be consistent between a minimum of 6.0 inches (14.92 mb) and a maximum of 12.0 inches (29.9 mb) water column (W.C.) pressure. 2) Liquid Propane (L.P.) Gas Dryers made for use with L.P.
Page 25 A 1/8” N.P.T. plugged tap, accessible for a test gauge connection, must be installed in the main gas supply line immediately upstream of each dryer. IMPORTANT: Pipe joint compounds that resist the action of natural and liquid propane (L.P.) gases must be used.
Page 26: Steam Information
H. STEAM INFORMATION It is your responsibility to have ALL steam plumbing connections made by a qualified professional to assure 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 27 c. Flexible hoses or couplings must be used. The dryer vibrates slightly when it runs and this will cause the steam coil connections to crack if they are hard piped to the supply and return mains. d. Shutoff valves for each dryer should be installed in the supply, return, and drip trap return lines. This will allow the dryer to be isolated from the supply and return mains if the dryer needs maintenance work.
Page 28 a. Air Requirements Compressed Air Supply Normal Minimum Supply Maximum Supply Shaded areas are stated in metric equivalents b. Air Connection Air connection to system --- 1/8” N.P.T. c. Air Regulation No air regulation or filtration is provided with the dryer. External regulation and filtration of 0.75 cfh at 80 psi (0.02 cmh at 5.51 bar) must be provided.
Page 29: Fire Suppression System
5. Steam Damper Air Piston (Flow Control) Operation Adjustment Although the 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 page 29 for instructions to check steam damper operation.
Page 30 1. Installation a. Requirements The fire suppression system must be supplied with a minimum water pipe size of 1/2” and be provided with 40 psi +/- 20 psi (2.75 bar +/- 1.37 bar) of pressure. For use of optional manual bypass, a second source with the same piping and pressure requirements is required.
Page 31 Typical water supply: 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 32: Preparation For Operation/Start-Up
c. Electrical Requirements No independent external power source or supply connection is necessary. The 24 volt power to operate the fire suppression system is accomplished internally in the dryer (from the dryer controls). 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!! J.
Page 33: Preoperational Test
K. 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 used. It is possible that adjustments have changed in transit or due to marginal location (installation) conditions. 1.
Page 34 NOTE: To check for proper sail switch operation (for gas models only), open the main door and while holding main door switch plunger in, start dryer. Dryer should start but heat circuit should not be activated (on). If the heat system is activated, the sail switch is improperly adjusted and must be adjusted by bending the actuator arm of the sail switch toward the burner box.
Page 35: Preoperational Instructions
L. PREOPERATIONAL INSTRUCTIONS To start the dryer: 1. The light emitting diode (L.E.D.) display will read “REAdY.” 2. Press the “E” on the keypad. 3. The dryer will start and the display will flash “dRYING MANUAL CYCLE E,” “dRY TEMP 180F,” “COOL TEMP 80F,”...
Page 36: 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 37: 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 38 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 39: 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 40: Adjustments
NOTE: When cleaning steam coil fins, be careful not to bend the fins. If the fins are bent, straighten by using a fin comb, which is available from any local air conditioning supply house. 90 DAYS 1. Remove lint from around basket (tumbler), drive motors, and surrounding areas. 2.
Page 41: Lint Drawer Removal
D. LINT DRAWER REMOVAL To remove the lint drawer from the dryer pull drawer out approximately halfway. Rotate and move lint drawer stop hinge downward and pull drawer out. (Refer to the illustration below.) IMPORTANT: After reinstalling the lint drawer back into the dryer, be sure to rotate/move the hinge back to the upward stop position.
Page 42: Procedure For Functional Check Of Replacement Components
PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. Microprocessor Controller (Computer) Board 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 43 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 44: Data Label Information
DATA LABEL INFORMATION When contacting American Dryer Corporation, certain information is required to ensure proper service/parts information from ADC. This information is on the data label located on the upper left side panel area behind the top control (access) door. When contacting ADC, please have the model number and serial number available.
Page 45: Manual Reset Burner Hi-Limit Instructions
SECTION IX MANUAL RESET BURNER HI-LIMIT INSTRUCTIONS A. 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 shut down, the Phase 7 computer will display “BURNER HIGH LIMIT FAULT”...
Page 46 ADC Part No. 113344 9 - 09/04/08 - 15...

American Dryer Corp. ML-82 III Installation Manual

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