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ML-82 III Installa tion Manual Gas – DSI / Steam Models / Phase 7 Fire Suppression System ADC Part No. 1 1334 4 - 9 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 .
Retain This Manual In A Safe Place For Futur e Refer ence 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.
W ARNING CHILDREN SHOULD NOT BE ALLOWED T O PLA Y ON OR NEAR THE DR YER(S). CHILDREN SHOULD BE SUPER VISED IF NEAR DRYERS IN OPERA TION. CAUTION DR YERS SHOULD NEVER BE LEFT UNA TTENDED WHILE IN OPERA TION. FOR YOUR SAFETY DO NOT DR Y MOP HEADS IN THE DR YER.
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 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 .
T able of Contents SECTION I SAFETY PRECAUTIONS ............................................................................................................. ................. 2 SECTION II SPECIFICA TIONS/COMPONENT IDENTIFICA TION ....................
2 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 3 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.
4 American Dryer Corp. 1 13344 - 9 SECTION II SPECIFICA TIONS/COMPONENT IDENTIFICA TION A. SPECIFICA TIONS T U M B L E R DI AMET ER 3 7 ” 94 cm T U M BL ER D E P T H 36” 91.5 cm TU MB LE R V OLUME 2 2 . 4 c u f t 634.29 L TU MB LE R/D RI V E MOTO R 1 / 2 h p 0.
1 13344 - 9 www .amdry .com 5 S pecifications NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation..
6 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 7 2. Dryer Rear V iew Illus. No. Description 1 Heating Unit 2 1/8” Compressed Air Supply Inlet (behind electric service relay box for steam units only) 3 * Electric Servi.
8 American Dryer Corp. 1 13344 - 9 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 13344 - 9 www .amdry .com 9 IMPOR T ANT : 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. UNP ACKING/SETTING UP Remove protective shipping material (i.e., plastic wrap and optional shipping box) from dryer .
10 American Dryer Corp. 1 13344 - 9 C. DR YER 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 .
1 13344 - 9 www .amdry .com 11 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.
12 American Dryer Corp. 1 13344 - 9 E. EXHAUST REQUIREMENTS 1. General Exhaust Ductwork Information Exhaust ductwork should be designed and installed by a qualified professional.
1 13344 - 9 www .amdry .com 13 2. Single Dryer V enting When possible, it is suggested to provide a separate exhaust duct for each dryer . The exhaust duct should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible.
14 American Dryer Corp. 1 13344 - 9 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 noted in this manual, a professional heating, ventilating, and air -conditioning (HV AC) firm should be consulted for proper venting information.
1 13344 - 9 www .amdry .com 15 IMPOR T ANT : 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.
16 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 17 * Contact factory for 3-wire system. 8/4/08 IMPOR T ANT : The dryer must be connected to the electric supply shown on the data label. 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 .
18 American Dryer Corp. 1 13344 - 9 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 .
1 13344 - 9 www .amdry .com 19 T Y P E OF GAS NA TURA L L I QUI D P ROP A NE M an if ol d Pr es s u r e* 3. 5 in ch es W . C. 8.7 m b 10 .5 i n ch es W . C . 26. 1 mb I n -Lin e Pr essu re 6. 0 - 1 2. 0 in ch es W . C . 14. 92 - 29 .9 mb 11 . 0 i nc he s W.
20 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 21 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 . IMPOR T ANT : Pipe joint compounds that resist the action of natural and liquid propane (L.
22 American Dryer Corp. 1 13344 - 9 H. STEAM INFORMA TION 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.
1 13344 - 9 www .amdry .com 23 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.
24 American Dryer Corp. 1 13344 - 9 C om pressed Air S u p p ly A i r P r essure N or mal 80 psi 5. 51 b ar M i n imu m S u ppl y 70 psi 4. 82 bar M ax imu m S u ppl y 90 psi 6. 21 b ar a . Air Requirements Shaded areas are stated in metric equivalents b.
1 13344 - 9 www .amdry .com 25 5. S team 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.
26 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 27 T ypical water supply: OPTIONAL MANUAL BYP ASS Provisions are made in the dryer ’ s fire suppression system for the installation of an optional manual bypass.
28 American Dryer Corp. 1 13344 - 9 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).
1 13344 - 9 www .amdry .com 29 K. PREOPERA TIONAL 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.
30 American Dryer Corp. 1 13344 - 9 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).
1 13344 - 9 www .amdry .com 31 L. PREOPERA TIONAL INSTRUCTIONS T o 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 “dR YING MANUAL CYCLE E,” “dR Y TEMP 180F ,” “COOL TEMP 80F ,” “30 REMAIN,” and “dRUM TEMP .
32 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 33 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.
34 American Dryer Corp. 1 13344 - 9 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.
1 13344 - 9 www .amdry .com 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.
36 American Dryer Corp. 1 13344 - 9 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 DA Y S 1. Remove lint from around basket (tumbler), drive motors, and surrounding areas.
1 13344 - 9 www .amdry .com 37 D. LINT DRA WER REMOV AL T o remove the lint drawer from the dryer pull drawer out approximately halfway . Rotate and move lint drawer stop hinge downward and pull drawer out.
38 American Dryer Corp. 1 13344 - 9 SECTION VII 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 .
1 13344 - 9 www .amdry .com 39 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 igni.
40 American Dryer Corp. 1 13344 - 9 SECTION VIII DA T A LABEL INFORMA TION 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 .
1 13344 - 9 www .amdry .com 41 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 .
ADC Part No. 1 13344 9 - 09/04/08 - 15.
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