American Dryer Corp. D-78 manual

D-78 (Gas/HSI/DSI/Phase 7 with S.A.F.E.) Installation Manual 032502JEV/rmoles ADC Part No. 113373 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 death. — Do not store or use gasoline or other flammable vapors and liquids in the v[...]

“IMPOR T ANT NOTE 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 YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other a[...]

IMPOR T ANT YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPL Y AND THE GAS SUPPL Y BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, OR TESTING OF ANY EQUIPMENT PER OSHA (Occupational Safety and Health Administration) ST ANDARDS. CHILDREN SHOULD NOT BE ALLOWED T O PLA Y ON OR NEAR [...]

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 [...]

SECTION I IMPOR T ANT INFORMA TION ............................................................................... 3 A. Receiving and Handling ............................................................................................................... 3 B . Safety Precautions ......................................................................[...]

SECTION VII REVERSING TIMER SPIN/DWELL ADJUSTMENTS ..................................... 3 7 SECTION VIII DA T A LABEL INFORMA TION ............................................................................. 3 8 A. Data Label ..........................................................................................................................[...]

3 SECTION I IMPOR T ANT INFORMA TION 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 dama[...]

4 B. 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 removed . PERSONAL INJUR Y OR FIRE COULD[...]

5 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. W ARNING: The collection of lint in the burner area and exhaust ductwork can create a potential f[...]

6 Gas SECTION II SPECIFICA TIONS/COMPONENT IDENTIFICA TION A. SPECIFICA TIONS * For non-reversing models only . * * A minimum of 3/4” pipe must be supplied to the gas inlet for each dryer . NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice or obligation. BAS K ET ( TUM BLER) DI AM ETE R 4 4 - 1 / 2[...]

7 Specifications D-78 NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice or obligation.[...]

8 B. COMPONENT IDENTIFICA TION 1. Dryer Front V iew 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 in the left side panel/wall area behind the control door)[...]

9 2. Dryer Rear V iew Illus. No. Description 1 Heating Unit 2 Outer T op Area 3 * Electric Service Relay Box 4 Basket (tumbler) Bearing Mount Assembly 5 Idler Bearing Mount Assembly 6 Basket (tumbler) (drive) Motor Assembly (for reversing models only) 7 Blower Motor Assembly 8 Dryer Exhaust * Electrical service connections are made in this box.[...]

10 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 TEST EDITION (National Elec[...]

11 CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors. Every 6 months, inspect the exhaust ducting and remove any lint build up. B. UNP ACKING/SETTING UP Remove protective shipping material (i.e., plastic wrap, and/or optional shipping box) from dryer . IMPOR T ANT : Dryer must be transported and handled in an uprig[...]

12 C. DR YER ENCLOSURE REQUIREMENTS Bulkheads and partitions must be made of noncombustible materials and must be located a minimum of 12-inches (30.48 cm), 18-inches (45.72 cm) 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[...]

13 D. FRESH AIR SUPPL Y 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 affecte[...]

14 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, [...]

15 IMPOR T ANT : Exhaust back pressure measured by a manometer in the exhaust duct must be no less than 0 and must not exceed 0.3 inches (0.74 mb) of water column (W .C.). IMPOR T ANT : Minimum ductwork diameter for horizontal venting is 10-inches (25.4 cm) and for vertical venting the minimum is 12-inches (30.48 cm). NOTE: When the exhaust ductwor[...]

16 IMPOR T ANT : Minimum duct size for a dryer that is vented vertically is 12-inches (30.48 cm) for a round duct or an equivalent of 120 square inches (774.2 square centimeters). THE DUCT SIZE MUST NOT BE REDUCED ANYWHERE DOWNSTREAM OF THE DR YER . IMPOR T ANT : For extended ductwork runs, the cross section area of the ductwork can only be increas[...]

17 a . Outside Ductwork Protection 1) T o protect the outside end of the horizontal ductwork from the weather , a 90° 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 180° turn to point the opening downward. In e[...]

18 F . ELECTRICAL INFORMA TION 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,[...]

19 2. Electrical Service Specifications IMPOR T ANT : The dryer must be connected to the electric supply shown on the data label that is affixed to the left side panel/wall area behind the control door . In the case of 208 V AC or 240 V AC, the supply voltage must match the electric service specifications of the data label exactly . IMPOR T ANT : T[...]

20 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 applicable Canada S tandards: Canadian[...]

21 b. 3-Phase (3ø) W iring Connections (hookup) - For Non-Reversing Models Only The electrical connections on ALL 3-phase (3ø) gas model dryers are made into the rear service box located at the upper left area of the dryer . NOTE: A CIRCUIT SER VICING EACH DR YER MUST BE PROVIDED . If local codes permit, power to a gas dryer can be made by the us[...]

22 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 is done internally to the dryer . No single-phase (1ø) input connection is required on a 3-phase (3ø) dryer . For gas dryers manufactured for operation at 3-phase [...]

23 c . 3-Phase (3ø) W iring Connections (hookup) - For Reversing Models Only The electrical connections on ALL 3-phase (3ø) gas model dryers are made into the rear service box located at the upper left area of the dryer . NOTE: A CIRCUIT SER VICING EACH DR YER MUST BE PROVIDED . If local codes permit, power to a gas dryer can be made by the use o[...]

24 G . GA S INFORMA TION 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 to local and state regulations or codes. In the absence of such codes, ALL plumbing connections, materials, and workmanship must conform to the applicable requirem[...]

25 2. T echnical Gas Data a . Gas Specifications * Measured at the gas valve pressure tap when the gas valve is on. b. Gas Connections Inlet connection -------- 3/4” N.P .T . Inlet supply size -------- 3/4” N.P .T . (minimum) Btu/hr input -------------- 204,000 (51,408 kcal/hr) 1) Natural Gas Regulation is controlled by the dryer ’ s gas valv[...]

26 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 ordinances and must be done [...]

27 Consistent gas pressure is essential at ALL gas connections. It is recommended that a 3/4-inch (19.050 mm) pipe gas loop be installed in the supply line servicing 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 (29.9 mb) of water column (W .C.) pr[...]

28 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 data label affixed to the left side[...]

29 I. PREOPERA TIONAL 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. T urn on electric power to the dryer . a . Op[...]

30 NOTE: T o check for proper sail switch operation, open the main door and while holding main door switch plunger in, start the 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 [...]

31 J. PREOPERA TIONAL INSTRUCTIONS 1. T o start the dryer: a . OPL Microprocessor Controller (Computer) Dryers... 1) The light emitting diode (L.E.D.) 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”)... a ) The dryer will then start ([...]

32 IMPOR T ANT : T o “STOP” dryer , open main door or press the red “PAUSE” button. The dryer will stop and if the main door is not opened, the dryer will restart after approximately 30-seconds. If the main door is opened, a temperature selection button must be pressed to restart the dryer . 5) Upon completion of drying and cooling cycles, [...]

33 SECTION IV SER VICE/P AR TS INFORMA TION A. SER VICE 1. Service must be performed by a qualified trained technician, service agency , or gas supplier . If service is required, contact the distributor from whom the JLA equipment was purchased. If the distributor cannot be contacted or is unknown, contact the JLA Service Department for a distribut[...]

34 SECTION V W ARRANTY INFORMA TION A. RETURNING W ARRANTY CARDS 1. Before any dryer leaves the 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 [...]

35 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 operating efficiency is dependent[...]

36 90 DA Y S 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 or touching the hot surface[...]

37 SECTION VII REVERSING TIMER SPIN/DWELL ADJUSTMENTS (OPL DUAL TIMER MODELS ONL Y) T imer models have an electronic reversing timer in the electrical service box, which is located in the upper left rear area of the dryer . Both the dwell (stop) time and the basket (tumbler) spin time are adjustable by mode selection switches located on the electro[...]

38 SECTION VIII DA T A LABEL INFORMA TION A. DA T A LABEL When contacting JLA , certain information is required to insure proper service/parts information from JLA . This information is on the data label located on the left side panel area behind the control (access) door . When contacting JLA , please have the model number and serial number availa[...]

39 THE DA T A LABEL 1. MODEL NUMBER The model number is a JLA number , which describes the size of the dryer and the type of heat (gas, electric, or steam). 2. SERIAL NUMBER The serial number allows JLA to gather information on your particular dryer . 3. MANUF ACTURING CODE NUMBER The manufacturing code number is a number issued by the manufacturer[...]

40 SECTION IX OPL SENSOR ACTIV A TED FIRE EXTINGUISHING (S.A.F .E.) SYSTEM S.A.F.E. System In Action 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 trig[...]

41 BEFORE YOU ST AR T! 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 assure that the plumbing installation is adequate and conforms to local, state, and f[...]

42 2. W ater Connections: The water connection is made to the 1/2” M.P .T . bushing of the electric water solenoid valve located at the rear upper left area of the dryer (see photo). The water solenoid valve has a 3/8” M.P .T . connection and a 1/2” bushing is supplied to provide the minimum 1/2-inch supply (feed) line. Flexible supply line/c[...]

43 OPTIONAL MANUAL BYP ASS Provisions are made in the dryer sensor activated fire extinguishing (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 “four way” fitting located in the outlet supply side of the water solenoid valve. Th[...]

44 Sensor Activated Fire Extinguishing (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 S.A.F .E. system probe located in the top of the basket (tumbler) chamber and records the minimum temperature. If the minimum recorded S.A.F .E. system probe temper[...]

45 Sensor Activated Fire Extinguishing (S.A.F.E.) System PAR TS BREAK DOWN Replacement parts can be obtained from your distributor or JLA . When ordering replacement parts from JLA , you can F AX your order to JLA at 01422 824390 or telephone your order directly to the JLA Parts Department at 01422 822282. Please specify the dryer model number and [...]

46 Illus. No. Part No. Qty . Description 1 822752 1 Sensor Activated Fire Extinguishing (S.A.F .E.) System T emperature Probe Assembly (includes illus. nos. 1 through 5) 2 154007 2 Push On Fastener 3 390390 1 Sensor Bracket ONL Y 4 150301 2 #8-18 Phillips Pan Head TEK Screw 5 122647 1 Connector ONL Y ( does not include terminals)[...]

47 SECTION X COIN SENSOR ACTIV A TED FIRE EXTINGUISHING (S.A.F .E.) SYSTEM S.A.F.E. System In Action 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 trig[...]

48 BEFORE YOU ST AR T! 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 assure that the plumbing installation is adequate and conforms to local, state, and f[...]

49 2. W ater Connections: The water connection is made to the 1/2” M.P .T . bushing of the electric water solenoid valve located either at the rear upper left area of the dryer or rear middle right area on 320/330 models (see photo). The water solenoid valve has a 3/8” M.P .T . connection and a 1/2” bushing is supplied to provide the minimum [...]

50 OPTIONAL MANUAL BYP ASS Provisions are made in the dryer sensor activated fire extinguishing (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 “four way” fitting located in the outlet supply side of the water solenoid valve. Th[...]

51 Sensor Activated Fire Extinguishing (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 S.A.F .E. system probe located in the top of the basket (tumbler) chamber and records the minimum temperature. If the minimum recorded S.A.F .E. system probe temper[...]

52 Sensor Activated Fire Extinguishing (S.A.F.E.) System PAR TS BREAK DOWN Replacement parts can be obtained from your distributor or JLA . When ordering replacement parts from the factory , you can F AX your order to JLA at 01422 824390 or telephone your order directly to the JLA Parts Department at 01422 822282. Please specify the dryer model num[...]

53 Illus. No. Part No. Qty . Description 1 822752 1 Sensor Activated Fire Extinguishing (S.A.F .E.) System T emperature Probe Assembly (includes illus. nos. 1 through 5) 2 154007 2 Push On Fastener 3 390390 1 Sensor Bracket ONL Y 4 150301 2 #8-18 Phillips Pan Head TEK Screw 5 122647 1 Connector ONL Y ( does not include terminals)[...]

ADC 113373 1- 04/01/02-25 2 * 12/12/02-25[...]