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American Dryer Corp. AD-78 III - page 1
AD-78 III (Gas HSI - Phase 7/FSS) Installation Manual For replacement parts, contact the reseller 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 www.amdry.com WARNING: For your safety the information in this manua ...
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American Dryer Corp. AD-78 III - page 2
AD-78 III Retain This Manual In A Safe Place For Future Reference 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 SA ...
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American Dryer Corp. AD-78 III - page 3
IMPORTANT YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY B EFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANIN G , ADJUSTIN G , INSTALLATION, OR TESTING OF ANY EQUIPMENT PER OSHA (Occupational Safety and Health Administration) STANDARDS. CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DR ...
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American Dryer Corp. AD-78 III - 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. IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/or specified in the installation manual included with the dryer. Dryers must not be installed or stored in an area where it ...
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American Dryer Corp. AD-78 III - page 5
Table of Contents SECTION I IMPOR T ANT INFORMA TION .......................................................................... 3 A. Receiving and Handling ............................................................................................................... 3 B. Safety Precautions .......................................................... ...
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American Dryer Corp. AD-78 III - page 6
SECTION VII REVERSING TIMER SPIN/DWELL ADJUSTMENTS .................................. 37 SECTION VIII DA T A LABEL INFORMA TION ........................................................................ 38 A. Data Label ............................................................................................................................... 38 S ...
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American Dryer Corp. AD-78 III - page 7
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 ...
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American Dryer Corp. AD-78 III - page 8
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 r emoved . PERSONAL INJURY OR FIRE COULD ...
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American Dryer Corp. AD-78 III - page 9
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 ...
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American Dryer Corp. AD-78 III - page 10
6 SECTION II SPECIFICA TIONS/COMPONENT IDENTIFICA TION A. SPECIFICA TIONS Shaded areas are stated in metric equivalents * For non-reversing models only . * * A minimum of 3/4 pipe must be supplied to the gas inlet for each dryer . Size of piping to dryer varies with installation conditions. Contact factory for assistance. NOTE: ADC reserves the ...
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American Dryer Corp. AD-78 III - page 11
7 Specifications ADG-78 III (Gas) NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation. ...
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American Dryer Corp. AD-78 III - page 12
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 (affixed to the left side panel area behind the top control [access] door) ...
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American Dryer Corp. AD-78 III - page 13
9 2. Dryer Rear V iew Illus. No. Description 1 Heating Unit 2 T op Console 3 * Electric Service Relay Box 4 Basket (tumbler) Bearing Mount Assembly 5 Idler Bearing Mount Assembly 6 Basket (drive) Motor Assembly (for reversing models only) 7 Leveling Leg (rear) 8 Blower Motor Assembly 9 Dryer Exhaust * Electric service connections for gas models are ...
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American Dryer Corp. AD-78 III - page 14
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 ...
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American Dryer Corp. AD-78 III - page 15
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 ...
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American Dryer Corp. AD-78 III - page 16
12 c . Remove the four (4) self-tapping screws on the burner box that secure it to the top of the dryer (refer to the illustration below ). d. Remove the two (2) self-tapping screws on the back electrical box and pull through ALL associated wires from the motor to this electrical box (refer to the illustration below ). e . Reverse procedure for ins ...
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American Dryer Corp. AD-78 III - page 17
13 C . D R YER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12-inches (30.48 cm) above the dryer outer top, (18-inches [45.72 cm] or more is recommended for ease of installation, maintenance, and service) except along the front of the dryer which may be partially closed ...
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American Dryer Corp. AD-78 III - page 18
14 D . F R E S H 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 af ...
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American Dryer Corp. AD-78 III - page 19
15 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, ...
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American Dryer Corp. AD-78 III - page 20
16 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 ...
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American Dryer Corp. AD-78 III - page 21
17 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 80 square inches (516.1 square centimeters). THE DUCT SIZE MUST NOT BE REDUCED ANYWHERE DOWNSTREAM OF THE DRYER . IMPOR T ANT : For extended ductwork runs, the cross section area of the ductwork can only be increased ...
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American Dryer Corp. AD-78 III - page 22
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, ...
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American Dryer Corp. AD-78 III - page 23
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 area behind the top control (access) door . In the case of 208 V AC or 230/240 V AC, the supply voltage must match the electric service specifications of the data label exactly . IMP ...
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American Dryer Corp. AD-78 III - page 24
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 Canadian Electrical Codes Parts 1 & 2 CSA C22.1-1990 or LA TEST ...
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American Dryer Corp. AD-78 III - page 25
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 . Electrical connections for electrically heated dryers are made in the electric oven area located at the upper rear area of ...
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American Dryer Corp. AD-78 III - page 26
22 1) Gas Models 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 operati ...
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American Dryer Corp. AD-78 III - page 27
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 . Electrical connections for electrically heated dryers are made in the electric oven area located at the upper rear of the drye ...
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American Dryer Corp. AD-78 III - page 28
24 G . GAS 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 requireme ...
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American Dryer Corp. AD-78 III - page 29
25 2. T echnical Gas Data a . Gas Specifications 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 valve s internal regulator . Incoming supply pressure must be co ...
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American Dryer Corp. AD-78 III - page 30
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 ...
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American Dryer Corp. AD-78 III - page 31
27 Consistent gas pressure is essential at ALL gas connections. I t 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.) p ...
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American Dryer Corp. AD-78 III - page 32
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 ...
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American Dryer Corp. AD-78 III - page 33
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 ...
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American Dryer Corp. AD-78 III - page 34
30 NOTE: T o 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 s ...
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American Dryer Corp. AD-78 III - page 35
31 J. PREOPERA TIONAL INSTRUCTIONS 1. T o start the dryer: a . Microprocessor Controller (Computer) Dryers... 1 ) The light emitting diode (L.E.D.) display will read READY . 2 ) Press the E on the keyboard (touch pad). a ) The dryer will then start (rotate). 3 ) The L.E.D. display will now show the cycle in progress and cycle status. Re ...
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American Dryer Corp. AD-78 III - page 36
32 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 reseller from whom the ADC equipment was purchased. If the reseller cannot b e contacted or is unknown, contact the ADC Service Department for a reseller in yo ...
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American Dryer Corp. AD-78 III - page 37
33 SECTION V W ARRANTY INFORMA TION A. RETURNING W ARRANTY CARDS 1. 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 fil ...
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American Dryer Corp. AD-78 III - page 38
34 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 refund. NOTE: If a part is marked ...
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American Dryer Corp. AD-78 III - page 39
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 ...
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American Dryer Corp. AD-78 III - page 40
36 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. EVERY 6 MONTHS Inspect and remove lint accumulation in customer furni ...
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American Dryer Corp. AD-78 III - page 41
37 SECTION VII REVERSING TIMER SPIN/DWELL ADJUSTMENTS 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) T ime and the basket (tumbler) Spin T ime are adjustable by mode selection switches located on the electronic timer (as noted in the i ...
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American Dryer Corp. AD-78 III - page 42
38 SECTION VIII DA T A LABEL INFORMA TION A . D A T A LABEL When contacting American Dryer Corporation , certain information is required to insure proper service/parts information from ADC . This information is on the data label that is affixed to the left side panel area behind the top control (access) door . When contacting ADC please have the mo ...
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American Dryer Corp. AD-78 III - page 43
39 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 number issued by ADC, which desc ...
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American Dryer Corp. AD-78 III - page 44
40 SECTION IX 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 . V erify that the app ...
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American Dryer Corp. AD-78 III - page 45
41 2. For Models W ith Hot Surface Ignition (HSI) Module (CE V ersion) a . Upon completing installation of the replacement HSI module, reestablish power to the dryer . b. The HSI module s red indicator light will light for up to approximately 5-seconds (self check routine). If the HSI module s red indicator light stays on or flash ...
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American Dryer Corp. AD-78 III - page 46
42 SECTION X BURNER AND BASKET (TUMBLER)/LINT CHAMBER MANUAL RESET HI-LIMIT INSTRUCTIONS IMPOR T ANT MANUAL RESET HI-LIMIT INSTRUCTIONS FOR PHASE 7 MODELS This dryer was manufactured with a manual reset burner hi-limit and basket (tumbler)/lint chamber hi-limit thermostat which is monitored by the Phase 7 computer. If the burner is open prior to st ...
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American Dryer Corp. AD-78 III - page 47
43 IMPOR T ANT MANUAL RESET HI-LIMIT INSTRUCTIONS DUAL TIMER MODELS ONL Y This dryer was manufactured with a burner manual reset hi-limit thermostat, and a lint/basket (tumbler) manual reset hi-limit thermostat. If either the manual reset hi-limit thermostat is open prior to the start of the drying cycle, or during the cycle, the dryer will not rec ...
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American Dryer Corp. AD-78 III - page 48
ADC 113340 1 - 08/28/01-15 2- 09/27/01-25 3* 03/25/02-25 ...
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