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American Dryer Corp. AD-24 Phase 7 manual

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  • Page 1

    AD-24 Installa tion Manual Phase 7 ADC Part No. 1 13222 - 5 American Dryer Corporation 88 Currant Road Fall River MA 02720-4781 USA T elephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447 e-mail: techsupport@amdry .com ww w .amdry .com W ARNING: For your safety the information in this manual must be followed to minimize the risk of fire or explosion[...]

  • Page 2

    “IMPORT ANT NO TE T O PURCHASER” Information must be obtained from your local gas supplier on the instructions to be followed if the user smells gas. These instructions must be posted in a prominent location near the dryer . FOR Y OUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other [...]

  • Page 3

    W ARNING UNDER NO CIRCUMST ANCES should the dryer door switch, lint door switch, or heat safety circuit ever be disabled. IMPOR T ANT YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPL Y AND THE GAS SUPPL Y OR THE STEAM SUPPL Y BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, OR TES[...]

  • Page 4

    W ARNING The dryer must never be operated with any of the back guards, outer tops, or service panels removed. PERSONAL INJURY OR FIRE COULD RESUL T . IMPOR T ANT PLEASE OBSER VE ALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation manual included with the dryer . W ARNING DR YER MUST NEVER BE OPERA TED WITHOUT THE [...]

  • Page 5

    Table of Contents SECTION I SAFETY PRECAUTIONS .......................................................................................... 3 SECTION II SPECIFICA TIONS ...................................................................................................... 5 SECTION III INST ALLA TION PROCEDURES ........................................[...]

  • Page 6

    SECTION VI ROUTINE MAINTENANCE ................................................................................... 3 2 A. Cleaning ................................................................................................................................... 32 B. Adjustments .....................................................................[...]

  • Page 7

    1 13222 - 5 w ww .amdry .com 3 SECTION I SAFETY PRECAUTIONS W ARNING: 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. W ARNING: The dryer must never be operated with any of the back guards, outer tops, or service panels remo[...]

  • Page 8

    4 American Dryer Corp. 1 13222 - 5 W ARNING: DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or similarly textured materials. Drying in a heated basket (tumbler) may damage plastics or rubber and may be a fire hazard. G . A program should be established for the inspection and cleaning of lint in the heating unit area,[...]

  • Page 9

    1 13222 - 5 w ww .amdry .com 5 SECTION II SPECIFICA TIONS Electric Gas M AXI MU M CAP ACI T Y (DR Y W EI G H T ) 2 0 lb 9.07 kg T U M BL E R D I A M E T E R 27- 1/ 4” 69. 22 cm T U MBLER DEPT H 2 4 ” 60. 96 cm T UM B LER VOLU ME 8 . 1 0 c u f t 229. 37 L TUM B L E R / D RIV E M OTO R 1 / 2 h p 0.37 kW BLO WER /F AN M O T O R N / A D OOR OP E NI[...]

  • Page 10

    6 American Dryer Corp. 1 13222 - 5 S pecifications NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.[...]

  • Page 11

    1 13222 - 5 w ww .amdry .com 7 SECTION III INST ALLA TION 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- LA TEST EDITION (National Fuel Gas Code) or ANSI/NFP A NO. 70-LA[...]

  • Page 12

    8 American Dryer Corp. 1 13222 - 5 6. Provisions must be made for adequate clearances for servicing and for operation as noted in this manual (refer to Dryer Enclosure Requirements in Section C ). 7. Dryer must be exhausted to the outdoors in an area where correct exhaust venting can be achieved as noted in this manual (refer to Exhaust Requirement[...]

  • Page 13

    1 13222 - 5 w ww .amdry .com 9 NOTE: Air considerations are important for proper and efficient operation. D. FRESH AIR SUPPL Y REQUIREMENTS Air supply (make-up air) must be given careful consideration to ensure proper performance of each dryer . An unrestricted source of air is necessary for each dryer . An airflow of 400 cfm (cubic feet per minute[...]

  • Page 14

    10 American Dryer Corp. 1 13222 - 5 E. 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 , overheating of the dryer , and shutdown of the burner by the airflow (sail) switches, burner[...]

  • Page 15

    1 13222 - 5 w ww .amdry .com 11 SINGLE DR YER VENTING IMPOR T ANT : A minimum exhaust duct size of 6-inches (15.24 cm) must be used. For a 6-inch (15.24 cm) horizontal run where a maximum of one (1) elbow is used (refer to the illustration below ), the ductwork from the dryer outlet must not exceed 8 feet (2.44 meters). If the length of the duct ru[...]

  • Page 16

    12 American Dryer Corp. 1 13222 - 5 SINGLE DR YER VENTING IMPOR T ANT : A minimum exhaust duct size of 8-inches (20.32 cm) must be used. For an 8-inch (20.32 cm) horizontal run where a maximum of one (1) elbow is used (refer to the illustration below ), the ductwork from the dryer outlet must not exceed 40 feet (12.2 meters). If the length of the d[...]

  • Page 17

    1 13222 - 5 w ww .amdry .com 13 When single 8-inch (20.32 cm) vertical venting is used (refer to the illustration below ), the ductwork from the dryer to the outside outlet cannot exceed 35 feet (10.67 meters) in total length. This calculation of 35 feet (10.67 meters) compensates or allows for the use of a maximum of three (3) elbows including the[...]

  • Page 18

    14 American Dryer Corp. 1 13222 - 5[...]

  • Page 19

    1 13222 - 5 w ww .amdry .com 15 IMPOR T ANT : 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 as noted in this manual, a professional heating, ventilating, and air-conditioning (HV AC) firm should be consulted for proper venting information. IMPOR[...]

  • Page 20

    16 American Dryer Corp. 1 13222 - 5 F . ELECTRICAL INFORMA TION 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 connec[...]

  • Page 21

    1 13222 - 5 w ww .amdry .com 17 2. Electrical Service Specifications IMPOR T ANT : Figures shown are for non-reversing models only . For reversing models contact the factory . a . Gas Models Only * 3-Wire is available. 6/3/08 * 3-Wire is available. 6/3/08 b . Electric Models Only ALL electrically heated dryers must be connected to the electric serv[...]

  • Page 22

    18 American Dryer Corp. 1 13222 - 5 3. Grounding A ground (earth) connection must be provided and installed in accordance with state and local codes. In the absence of these codes, grounding must conform to applicable requirements of the National Electrical Code ANSI/NFP A NO. 70-LA TEST EDITION, or in Canada, the installation must conform to appli[...]

  • Page 23

    1 13222 - 5 w ww .amdry .com 19 A ground lug is provided in the rear electrical box to connect your service ground. FOR 1 10V APPLICA TIONS FOR 208-240V APPLICA TIONS S i ng l e - P ha s e E l e c t r i c a l L e a d C o nne c t i o ns Bl a ck + Po s it iv e Wh i t e or R ed + Ne u t ra l or L2 Gre e n + G r o und[...]

  • Page 24

    20 American Dryer Corp. 1 13222 - 5 The neutral will only be used on 4-wire service. This is typical for 380-416V , 50 Hz. b . Electrically Heated Models Only The only electrical input connections to the dryer are the 3-phase (3ø) power leads (L1, L2, L3, and sometimes neutral) and ground. Single-phase (1ø) power for the control circuit and for a[...]

  • Page 25

    1 13222 - 5 w ww .amdry .com 21 G . GAS INFORMA TION 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 confor[...]

  • Page 26

    22 American Dryer Corp. 1 13222 - 5 2. T echnical Gas Data a . Gas Specifications Shaded areas are stated in metric equivalents * Measured at outlet side of gas valve pressure tap when gas valve is on. b. Gas Connections: Inlet connection ---- 1/2” N.P .T . Inlet supply size ---- 1/2” Pipe (minimum) Btu/hr input --------- 60,000 (15,120 kcal/hr[...]

  • Page 27

    1 13222 - 5 w ww .amdry .com 23 3. Piping Connections ALL components/materials must conform to National Fuel Gas Code Specifications ANSI Z223.1-LA TEST EDITION, or in Canada, CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid Propane [L.P .] Gas) or LA TEST EDITION (for General Installation and Gas Plumbing), as well as local codes and[...]

  • Page 28

    24 American Dryer Corp. 1 13222 - 5 H. PREP ARA TION FOR OPERA TION/ST AR T -UP The following items should be checked before attempting to operate the dryer: 1. Read ALL “ CAUTION ,” “ W ARNING ,” 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 da[...]

  • Page 29

    1 13222 - 5 w ww .amdry .com 25 NOTE: Gas model dryers are equipped with an ignition system, which has internal diagnostics. If ignition is not established after one (1) time, the heat circuit in the ignition module will attempt two (2) more ignitions (total of three [3] ignition attempts). If there is no flame after the third ignition attempt, the[...]

  • Page 30

    26 American Dryer Corp. 1 13222 - 5 J. PREOPERA TIONAL INSTRUCTIONS COIN MODELS 1. Microprocessor Controller (Computer) a. When the microprocessor controller (computer) is in the ready state, the liquid crystal display (L.C.D.) screen will display “Ready , Insert $XX.XX (amount) to S tart”. b. Insert coin(s). Once the correct “Amount to Start[...]

  • Page 31

    1 13222 - 5 w ww .amdry .com 27 NON-COIN MODELS 1. The light emitting diode (L.E.D.) display reads “READY” (no cycle in progress). 2. Press the letter on the keyboard (touch pad) corresponding to the cycle desired (i.e., key “D”). NOTE: “0-40” WILL REQUIRE THE “ST AR T/ENTER” l KEY T O BE PRESSED AFTER THE NUMBER IS SELECTED IN ORDE[...]

  • Page 32

    28 American Dryer Corp. 1 13222 - 5 K. 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. Discontinue the gas supply (for gas models only): a. SHUT OFF external gas su[...]

  • Page 33

    1 13222 - 5 w ww .amdry .com 29 SECTION IV SER VICE/P AR TS INFORMA TION A. SER VICE 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 Depart[...]

  • Page 34

    30 American Dryer Corp. 1 13222 - 5 SECTION V W ARRANTY INFORMA TION A. RETURNING W ARRANTY 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 b[...]

  • Page 35

    1 13222 - 5 w ww .amdry .com 31 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 . Specify whether the part(s) being returned is for a replacement, a credit, or a refun[...]

  • Page 36

    32 American Dryer Corp. 1 13222 - 5 SECTION VI 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 [...]

  • Page 37

    1 13222 - 5 w ww .amdry .com 33 90 DA YS 1. Remove lint from around basket (tumbler), drive motors, and surrounding areas. 2. Remove lint from gas valve burner area with a dusting brush or vacuum cleaner attachment. 3. Clean any lint accumulation in and around both the blower and drive motor casing openings. NOTE: T o prevent damage, avoid cleaning[...]

  • Page 38

    34 American Dryer Corp. 1 13222 - 5 When contacting American Dryer Corporation , certain information is required to ensure proper service/parts information from ADC . This information is on the data label affixed to the left side panel area behind the top control (access) door . When contacting ADC , please have the model number and serial number a[...]

  • Page 39

    1 13222 - 5 w ww .amdry .com 35 THE DA T A LABEL 1. MODEL NUMBER The model number is an ADC number , which describes the size of the dryer and the type of heat (gas, electric, or steam). 2. SERIAL NUMBER The serial number allows ADC to gather information on your particular dryer . 3. MANUF ACTURING CODE NUMBER The manufacturing code number is a num[...]

  • Page 40

    36 American Dryer Corp. 1 13222 - 5 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. Microprocessor Controller (Computer) Board a . Phase 7 Coin Models 1) Upon completing installation of the replacement microprocessor controller (computer) board, reestablish power to the dryer . 2) Start the drying cycle by pressing any temp[...]

  • Page 41

    1 13222 - 5 w ww .amdry .com 37 b. Phase 7 Non-Coin Models 1) Upon completing installation of the replacement microprocessor controller (computer) board, reestablish power to the dryer . 2) Start the drying cycle by pressing any of the preset cycles in letters A-F . 3) V erify that the applicable indicator lights on the microprocessor controller (c[...]

  • Page 42

    38 American Dryer Corp. 1 13222 - 5 2. For Models with Direct Spark Ignition (DSI) Module (T ype 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[...]

  • Page 43

    1 13222 - 5 w ww .amdry .com 39 The exclusive Sensor Activated Fire Extinguishing (S.A.F .E.) 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 will trigger the S.A.F .E. system water jet(s) to quickly extinguish the flame[...]

  • Page 44

    40 American Dryer Corp. 1 13222 - 5 BEFORE YOU ST ART! CHECK LOCAL CODES AND PERMITS Call your local water company or the proper municipal authority for information regarding local codes. IMPOR T ANT : It is your responsibility to have ALL plumbing connections made by a qualified professional to ensure that the plumbing installation is adequate and[...]

  • Page 45

    1 13222 - 5 w ww .amdry .com 41 2. W ater Connections: The water connection is made to the 3/4”-1 1.5 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”-1 1.5 NH hose adapter to provide the mi[...]

  • Page 46

    42 American Dryer Corp. 1 13222 - 5 OPTIONAL MANUAL BYP ASS Provisions are made in the dryer S.A.F .E. 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. The us[...]

  • Page 47

    1 13222 - 5 w ww .amdry .com 43 S.A.F .E. System Theory of Operation While the dryer is in an idle state, or 20-seconds after the heat turns off, the Phase 7 control monitors the thermistor probe, located in the top of the basket (tumbler) chamber , and records the minimum temperature. If the minimum recorded thermistor probe temperature is greater[...]

  • Page 48

    44 American Dryer Corp. 1 13222 - 5 S.A.F .E. SYSTEM W A TER V AL VE 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 shutof f valves to the dryer are in the OPEN position; the dryer must be in the “READY?[...]

  • Page 49

    1 13222 - 5 w ww .amdry .com 45 S.A.F .E. SYSTEM DIAGNOSTICS MESSAGES OPEN THERMISTOR PROBE – This message indicates that the S.A.F .E. system thermistor probe either is not connected or is damaged. If this condition is detected, the Phase 7 non-coin control will immediately enter S.A.F .E. SYSTEM DISABLED mode. SHOR TED THERMISTOR PROBE – This[...]

  • Page 50

    ADC Part No. 1 13222 5 - 06/03/08 - 100[...]