American Dryer Corp. EURO-24 manual

072999EL/cms ADC Part No. 113105 EURO-24 Installation/Operator's Manual For replacement parts, contact the distributor from which the dryer was purchased or American Dryer Corporation 88 Currant Road Fall River MA 02720-4781 Telephone: (508) 678-9000 / Fax: (508) 678-9447 e-mail: techsupport@amdry.com WARNING: For your safety the information i[...]

Retain This Manual In A Safe Place For Future Reference Replacement parts can be obtained from your distributor or the ADC factory. When ordering replacement parts from the factory, you can FAX your order to ADC at (508) 678-9447 or telephone your orders directly to the ADC Parts Department at (508) 678- 9000. Please specify the dryer model number [...]

IMPORTANT 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, AD- JUSTING, INSTALLATION, or TESTING OF ANY EQUIPMENT per OSHA (Oc- cupational Safety and Health Administration) STANDARDS. CHILDREN SHOULD NOT BE ALLOWED TO PLA[...]

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. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/ or specified in the installation/operator's manual included with the dryer. Dryer(s) must not be installed or stored i[...]

Table of Contents SECTION I .......................................................................................................... 3 IMPORTANT INFORMATION A. Receiving and Handling ............................................................................................................ 3 B. Safety Precautions ................................[...]

SECTION VI ROUTINE MAINTENANCE ............................................................................. 42 A. Cleaning .................................................................................................................................. 42 B. Adjustments .............................................................................[...]

3 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 packaging, and wooden skid should be visually inspected for shipping damage. If any damage what[...]

4 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 RESU[...]

5 WARNING : DO NOT dry mop heads. Contamination by wax or flammable solvent will create a fire hazard. WARNING : DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or similarly textured rubberlike materials. Drying in a heated basket (tumbler) may damage plastics or rubber and also may be a fire hazard. 7. A program shou[...]

6 SECTION II SPECIFICATIONS A. SPECIFICATIONS * 50V reversing dryer available with 3ø motors standard (1/2 HP [.37 Kw] motors). ** Size of piping to dryer varies with installation conditions. Contact factory for assistance. *** Contact factory for information not listed, 3ø figures shown are for 3-wire service. **** Specify air-operated or electr[...]

7 Specifications EURO-24 NOTE : ADC reserves the right to make changes in specifications at any time without notice or obligation.[...]

8 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: ANSI Z223.1-LATEST EDITION (National Fuel Gas Code) or ANSI/NFPA NO.70-LATEST EDITION (National Electrical C[...]

9 B. LOCATION REQUIREMENTS Before installing the dryer, be sure the location conforms to local codes and ordinances. In the absence of such codes or ordinances the location must conform with the National Fuel Gas Code ANSI.Z223.1-LATEST EDITION. 1. The dryer must be installed on a sound level floor capable of supporting its weight. It is recommende[...]

10 C. DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of twelve (12) inches (30.48 cm) above the dryer's outer top; eighteen (18) inches (45.72 cm) for steam dryers, except along the front of the dryer which may be closed if desired. NOTE : Allowances must be made f[...]

11 D. FRESH AIR SUPPLY The EURO-24 air supply (makeup air) must be given careful consideration to assure proper performance of each dryer. An unrestricted source of air is necessary for each dryer. As a general rule, an unrestricted air entrance from the outdoors (atmosphere) of a minimum of 1-1/2 square feet (0.14 square meters) is required for ea[...]

12 E. EXHAUST REQUIREMENTS 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, and shutdown of the burner by the airflow (sail) switch, burner hi-limit, or lint chamber hi-heat protector thermostat. Where[...]

13 SINGLE DRYER VENTING IMPORTANT : For exhaust duct runs over 20 feet (6 meters) a minimum size of 10-inches (25 cm) must be used. H ORIZONT AL V ENTING When a single 8-inch (20 cm) horizontal vent is used, the duct work to the outlet cannot exceed 20 feet (6 m) (refer to Illus. A below ). This calculation of 20 feet (6m) compensates or allows for[...]

14 If the length of the duct run or quantity of elbows used exceeds the above noted specifications, the cross section area of the duct work must be increased in proportion to the number of elbows or duct run added. IMPORTAN T: For extended duct work runs, the cross section area of the duct can only be increased to an extent. For extended duct work [...]

15 MULTIPLE DRYER (Common) VENTING If it is not feasible to provide separate exhaust ducts for each dryer, ducts for individual dryers may be channeled into a common main duct. Each dryer is provided with a back draft damper. The individual ducts should enter the bottom or side of the main duct at an angle not more than 45° in the direction of the[...]

16 H ORIZONT AL V ENTING Illus. C V ERTICAL V ENTING I LLUS . D.[...]

17 IMPORTANT VENTING REMINDERS 1. Duct work size and installation should be done by a qualified professional. 2. The dryer must be exhausted to the outdoors. 3. Duct work should be routed as short as possible to the outdoors with as few elbows as possible. 4. Avoid 90° turns, use 30° or 45° turns instead. 5. The size of the duct work must be a m[...]

18 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 with local and state regulations or codes. In the absence of such codes, ALL electrical connections, material, [...]

19 NOTE : A CIRCUIT SER VING EACH DR YER MUST BE PROVIDED. 1) Single-Phase (1ø) Wiring Connections/Hookup The electrical input connections on ALL single-phase (1ø) gas model dryers and steam model dryers are made into the rear service box located at the upper left area of the dryer. 2) Electric Models ONLY ALL electrically heated dryers must be c[...]

20 S I N G L E -P HA S E (1 Ø ) E L E C T R I C A L C ONN E C T I ON S L E AD S Black + White White - Neutral Green Ground or L2 If local codes permit, power to the dryer can be made by the use of a flexible U.L. listed power cord or pigtail (wire size must conform to rating of dryer), or the dryer can be hard wired directly to the service breaker[...]

21 a. Gas and Steam Model Dryers ONLY 1) 3-Phase (3 ø ) Wiring Connection/Hookup For gas and steam dryers manufactured for operation at 3-phase (3 ø ), the electrical connections are made at the power distribution block located in the service box at the rear, upper left corner of the dryer. The ground connection is made to the copper lug also pro[...]

22 NOTE : Electrically heated service (amperage) specifications/requirements not available at time of of printing. Contact factory for update. CAUTION : The dryer must be grounded. A ground lug has been provided for this purpose. IMPORTANT : A CIRCUIT SER VING EACH DR YER MUST BE PROVIDED. The only electrical connections to the dryer are the 3-phas[...]

23 IMPORTANT : Figures shown are for non-reversing models ONLY. For reversing models contact the factory. IMPORTANT : The dryer must be connected to the electric supply shown on the data label that is affixed to the back side of the upper or top control door. In the case of 208 VAC or 230/240 VAC, the supply voltage must match the electric service [...]

24 G. GAS INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gas plumbing installation is adequate and conforms with local and state regulations or codes. In the absence of such codes, ALL plumbing connections, materials, and workmanship must conform to the applicable requireme[...]

25 2. Technical Gas Data a. Gas Specifications b. Gas Connections Inlet connection ------------ 1/2" inch N.P.T. Inlet supply size ------------ 1/2" inch N.P.T. (minimum) Heat input (per dryer) --- 150,000 Btu/Hr (37,800 kcal/hr) 1) Natural Gas Regulation is controlled by the dryer's gas valve's internal regulator. Incoming supp[...]

26 3. Piping Connections ALL components/materials must conform to National Gas Code specifications. It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of ALL the appliance BTU's being supplied. The dryer is provided with a 1/2" N.P.T. inlet pipe connection e[...]

27 Consistent gas pressure is essential at ALL gas connections. It is recommended that a 3/4-inch pipe gas loop be installed in the supply line serving a bank of dryers. An in-line pressure regulator must be installed in the gas supply line (header) if the (natural) gas pressure exceeds 12.0 inches of water column (30 mbar) pressure. Refer to the i[...]

28 H. STEAM INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the steam plumbing installation is adequate and conforms with local and state regulations or codes. Care must be exercised when leveling steam dryers into final position. After leveling the dryer, check the downward pit[...]

29 a. The pressure of the condensate in the steam supply 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 cm) riser. This will prevent any condensate from draining towards the dryer. b. The steam supply piping to the dryer must i[...]

30 4. Steam Damper Air System Connections The EURO-24 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. a. Air Requirements[...]

31 4. Steam Damper System Operation The steam damper, as shown in the illustration below, allows the coil to stay constantly charged eliminating repeated expansion and contraction. When the damper is opened, the air immediately passes through the already hot coil, providing instant heat to start the drying process. When the damper is closed, ambien[...]

32 a. Steam Damper Air Piston (Flow Control) Operation Adjustment Damper operation was tested and adjusted prior to shipping at 80 psi (552 KPa). If damper air adjustment is necessary, locate the flow control valve and make the necessary adjustments as noted below.[...]

33 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 affixed to the[...]

34 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. Turn on electric power to the dryer. 2. Refer to[...]

35 5. Make a complete operational check of ALL operating controls. NOTE : If computer program changes are required, refer to the computer programming section of the manual supplied with the dryer. 6. The dryer should be operated through one (1) complete cycle to assure that no further adjustments are necessary and that ALL components are functionin[...]

36 NOTES : 1. If the Anti-Wrinkle program is active, the L.E.D. (light emitting diode) display will continue to read "donE", and the microprocessor controller (computer) will proceed through the Anti-Wrinkle program until the maximum "Active Guard Time" has expired or until the door is opened, whichever comes first. The L.E.D. ([...]

37 b. Select Temperature... The dryer will start, the L.E.D. (light emitting diode) display will read the temperature cycle selected, and the drying time portion of the L.E.D. (light emitting diode) display will read "00" and count upward as time elapses, or the vended time will count downward, depending on the program parameter setting. [...]

38 1) Display will read "READY" (meaning no cycle in progress). 2) Press the letter on the keyboard (touch pad) corresponding to the cycle desired (i.e., Key "E"). Dryer will start to rotate. 3) L.E.D. display will now toggle "Drying" "manual" "Cycle" "30 Min" "Remain" meaning th[...]

39 SECTION IV SERVICE/PARTS INFORMATION A. SERVICE 1. Only properly licensed or trained technicians should service the dryer. If service is required, contact the distributor from whom the ADC equipment was purchased. If the distributor cannot be contacted or is unknown, contact the ADC Service Department for a distributor in your area. NOTE : When [...]

40 SECTION V WARRANTY INFORMATION A. RETURNING WARRANTY CARD(S) 1. Before any dryer leaves the ADC factory test area, a warranty card ( ADC Part No. 112254) 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 se[...]

41 e. Specify whether the part(s) being returned is for a replacement, a credit, or a refund. NOTE : If a part is marked for a credit or a refund, the invoice number covering the purchase of the replacement part must be provided. NOTE : Warranty tags (ADC Part No. 450064) are available at "no charge" from ADC upon request. 3. The company [...]

42 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 duct work system. The frequency of cleaning can best be determined from experience at each location. Maximum operating efficiency is dependent[...]

43 90 DAYS Inspect and remove lint accumulation in customer-furnished exhaust duct work system and from dryer's internal exhaust ducting. WARNING: THE ACCUMULATION OF LINT IN THE EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD. WARNING : DO NOT OBSTRUCT THE FLOW OF COMBUSTION and VENTILATION AIR. WARNING : INSPECT and REMOVE ANY LINT ACCU[...]

44 D. Lint Drawer Removal To remove the lint drawer from the dryer pull drawer out approximately halfway. Rotate/move lint drawer stop hinge (refer to the illustration below) downward and pull drawer out. IMPORTANT : After replacing the lint drawer back into the dryer, be sure to rotate/move hinge back to the upward stop position.[...]

45 SECTION VII TROUBLESHOOTING IMPORTANT: 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. The infor[...]

46 4. Failed microprocessor controller (computer). C . Drive motor (reversing) operates in one direction only...stops and restarts in same direction... 1. Failed drive motor contactor (relay). 2. Failed arc suppressor (A.S.) board (for Reversing Models ONLY) . 3. Failed microprocessor controller (computer). D. Drive motor operates okay for a few mi[...]

47 3. Failed arc suppressor (A.S.) board (for Reversing Models ONLY) . 4. Failed microprocessor controller (computer). 5. Failed 24 VAC transformer. H. Both drive motor and blower motor run a few minutes and then stop...microprocessor controller (computer) display continues to read time or percent of extraction and all indicator dots are off... 1. [...]

48 K. Microprocessor controller (computer) will not accept any keyboard entries, i.e., L.E.D. (light emitting diode) display reads "FILL" and when keyboard entries are selected, the L.E.D. display continues to read "FILL"... 1. Failed keyboard label (touchpad) assembly. 2. Failed microprocessor controller (computer). L. Micropro[...]

49 P. Heating unit is not operating (no heat) and heat indicator dot is on... G AS M ODELS O NL Y 1. Fault in sail switch circuit ... a. Sail switch is out of adjustment or has failed. b. Sail switch damper is not closing or is fluttering ... 1) Lint drawer/screen is dirty. 2) Restriction in exhaust. 2. Fault in burner hi-limit circuit or tripped m[...]

50 3. No (external) compressed air to steam damper ( 80 psi (552 KPa) required ). 4. Failed steam damper 24 VAC pneumatic solenoid switch. 5. Failed piston. 6. Steam damper stuck closed. Q. Dryer operates but is taking too long to dry... 1. Exhaust duct work run too long or is undersized...back pressure cannot exceed .3 inches water column (0.75 mb[...]

51 2. Back draft damper is sticking in partially closed position. S. Scraping noise from basket (tumbler) area... 1. Check for object caught in basket (tumbler)/wrapper area. 2. Basket (tumbler) is out of proper alignment ... a. Check both vertical and lateral alignment. b. Check gap between front panel and basket (tumbler) front...set screws may h[...]

52 D UAL T IMER M ODELS A. Dryer will not start...both drive and blower motors not operating (indicator light is off)... 1. Dryer control circuit fuse is blown. 2. Open at location...service main fuse or circuit breaker. 3. Failed push to start relay. 4. Failed door switch and/or circuit. 5. Failed heat timer. 6. Failed dual timer relay. B. Drive m[...]

53 b. Sail switch not closing or fluttering ... 1) Check blower (impellor/fan) motor and rotation direction. 2) Restriction in location exhaust system. 2. Tripped burner manual reset hi-limit circuit. 3. Tripped lint compartment (225 º F [107 º C]) manual reset safety thermostat circuit. 4. Failed heat selector switch. E LECTRIC M ODELS O NL Y 1.[...]

54 2. Steam damper binding in partially open position (for STEAM MODELS ONLY) . 3. Lint and/or dust accumulation on steam coil fins (for STEAM MODELS ONLY) . 4. Housekeeping ... a. Lint drawer and lint compartment not being cleaned on a regular basis. b. Lint accumulation in location exhaust system. 5. Insufficient make-up air. 6. Failed hi-limit t[...]

55 When contacting American Dryer Corporation certain information is required to insure proper service/parts information from American Dryer. This information is on the data label located on the inside of the control door. When contacting ADC please have the model number and serial number available. SECTION VIII TECHNICAL INFORMATION A. DATA LABEL [...]

56 THE DATA LABEL 1. MODEL DRYER 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. MANUFACTURING CODE NUMBER The manufacturing code number is a number issued by ADC which describes AL[...]

57 SECTION IX REVERSING TIMER SPIN/DWELL ADJUSTMENTS Dual timer models with "reversing option" have an electric reversing timer in the electric service box which is located in the upper rear area of the dryer. Both the dwell (stop) time and basket (tumbler) spin time are adjustable by mode selection switches located on the electronic time[...]

58 SECTION X PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1. Microprocessor (computer) Board a. Upon completing installation of the replacement microprocessor (computer) board, reestablish power to the dryer. b. Start the drying cycle by pressing any of the preset cycles in letters "A" thru "F." c. Verify that the mo[...]

59 d. Verify that motor(s) heat, and door indicator lights on the back side of the microprocessor (computer board are lit. (Refer to illustration below .) e. Open the main door. The dryer must stop and ALL indicator lights on the back side of the microprocessor (computer) board must go out . (Refer to illustration above.) f. Try to restart the drye[...]

ADC 113105 1 - 08/03/99-25 2* 01/18/00-25 3- 07/14/00-20[...]