American Dryer Corp. ML-78II Manuel d'installation

For replacement parts, contact the reseller from which the dryerwas purchased orAmerican Dryer Corporation88 Currant RoadFall River MA 02720-4781Telep

6GasSECTION IISPECIFICATIONS/COMPONENT IDENTIFICATIONA. SPECIFICATIONS* For non-reversing models only.** A minimum of 3/4” pipe must be supplied to t

7SpecificationsMLG-78II (Gas)NOTE: ADC reserves the right to make changes in specifications at any time without notice orobligation.

8B. COMPONENT IDENTIFICATION1. Dryer Front ViewIllus. No. Description1 Controls2 Control (top access) Door Assembly3 Main Door Assembly4 Lint Compart

92. Dryer Rear ViewIllus. No. Description1 Heating Unit2 Outer Top Area3* Electric Service Relay Box4 Basket (tumbler) Bearing Mount Assembly5 Idler B

10SECTION IIIINSTALLATION PROCEDURESInstallation should be performed by competent technicians in accordance with local and state codes. In theabsence

1110. The dryer must be installed with provisions for adequate combustion and make-up air supply.CAUTION: This dryer produces combustible lint and mus

12C. DRYER ENCLOSURE REQUIREMENTSBulkheads and partitions must be made of noncombustible materials and must be located a minimum of12-inches (30.48

13D. FRESH AIR SUPPLY REQUIREMENTSWhen the dryer is operating, it draws in room air, heats it, passes this air through the basket (tumbler), andexhau

14E. EXHAUST REQUIREMENTS1. General Exhaust Ductwork InformationExhaust ductwork should be designed and installed by a qualified professional. Impro

15IMPORTANT: Exhaust back pressure measured by a manometer in the exhaust duct must be no lessthan 0 and must not exceed 0.3 inches (0.74 mb) of water

Retain This Manual In A Safe Place For Future ReferenceAmerican Dryer Corporation products embody advanced concepts in engineering, design, and safety

16IMPORTANT: Minimum duct size for a dryer that is vented vertically is 12-inches (30.48 cm) for around duct or an equivalent of 120 square inches (77

17a. Outside Ductwork Protection1) To protect the outside end of the horizontal ductwork from the weather, a 90° elbow bent downwardshould be installe

18F. ELECTRICAL INFORMATION1. Electrical RequirementsIt is your responsibility to have ALL electrical connections made by a properly licensed and com

192. Electrical Service SpecificationsIMPORTANT: The dryer must be connected to the electric supply shown on the data label that isaffixed to the left

203. GroundingA ground (earth) connection must be provided and installed in accordance with state and local codes. Inthe absence of these codes, grou

21Connect L1 and L2 to the power block and ground to the copper lug located in the rear service boxmentioned on the previous page.If local codes permi

22The only electrical input connections to the dryer are the 3-phase (3ø) power leads (L1, L2, L3, andsometimes neutral) and ground. Single-phase (1ø

23c. 3-Phase (3ø) Wiring Connections (Hookup) - For Reversing Models OnlyThe electrical connections on ALL 3-phase (3ø) gas model dryers are made into

24G. GAS INFORMATIONIt is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gasplumbing instal

252. Technical Gas Dataa. Gas Specificationsb. Gas ConnectionsInlet connection --- 3/4-inch N.P.T.Inlet supply size --- 3/4-inch N.P.T. (minimum)Btu/h

IMPORTANTYOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GASSUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THEMACHINE TO ALLOW ACCES

263. Piping/ConnectionsALL components/materials must conform to National Fuel Gas Code Specifications ANSI Z223.1-LATESTEDITION, or in Canada, CAN/CGA

27Consistent gas pressure is essential at ALL gas connections. It is recommended that a 3/4-inch (19.050mm) pipe gas loop be installed in the supply

28H. PREPARATION FOR OPERATION/START-UPThe following items should be checked before attempting to operate the dryer:1. Read ALL “CAUTION,” “WARNING,”

29I. PREOPERATIONAL TESTSALL dryers are thoroughly tested and inspected before leaving the factory. However, a preoperational testshould be performe

30NOTE: To check for proper sail switch operation, open the main door and while holding main doorswitch plunger in, start the dryer. Dryer should sta

31b. Dual Timer Models1) Both dwell (stop) time and basket (tumbler) spin time are adjustable (refer to the illustration onpage 37).8. Check to insure

32SECTION IVSERVICE/PARTS INFORMATIONA. SERVICE1. Service must be performed by a qualified trained technician, service agency, or gas supplier. If s

33SECTION VWARRANTY INFORMATIONA. RETURNING WARRANTY CARD(S)1. Before any dryer leaves the ADC factory test area, a warranty card is placed on the ba

342. 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 f

35SECTION VIROUTINE MAINTENANCEA. CLEANINGA program and/or schedule should be established for periodic inspection, cleaning, and removal of lint from

WARNINGThe dryer must never be operated with any of the back guards, outer tops, or servicepanels removed. PERSONAL INJURY OR FIRE COULD RESULT.IMPOR

3690 DAYS1. Remove lint from around basket (tumbler), drive motors, and surrounding areas.2. Remove lint from gas valve burner area with a dusting bru

37SECTION VIIREVERSING TIMER SPIN/DWELL ADJUSTMENTSTimer models have an electronic reversing timer in the electrical service box, which is located in

38SECTION VIIIDATA LABEL INFORMATIONA. DATA LABELWhen contacting American Dryer Corporation, certain information is required to insure proper service

39THE DATA LABEL1. MODEL NUMBERThe model number is an ADC number, which describes the size of the dryer and thetype of heat (gas, electric, or steam).

401. For Models With Hot Surface Ignition (HSI) Module (CE Version)a. Upon completing installation of the replacement HSI module, reestablish power to

41SECTION XBURNER AND BASKET (TUMBLER)/LINT CHAMBERMANUAL RESET HI-LIMIT INSTRUCTIONSIMPORTANTMANUAL RESET HI-LIMIT INSTRUCTIONSFOR PHASE 6 MODELS(GAS

ADC 113106 1 - 08/17/99-25 2 - 09/21/99-25 3 * 05/03/00-254* 09/29/00-20 5* 04/10/01-25 6 * 08/15/01-25

Table of ContentsSECTION IIMPORTANT INFORMATION...3A. Receiving and Handling ..

SECTION VIROUTINE MAINTENANCE ...35A. Cleaning ...

3SECTION IIMPORTANT INFORMATIONA. RECEIVING AND HANDLINGThe dryer is shipped in a protective stretch wrap cover with protective cardboard corners and

4B. SAFETY PRECAUTIONSWARNING: For your safety, the information in this manual must be followed to minimize the risk offire or explosion or to preven

57. 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